diff --git a/src/Mod/Path/CMakeLists.txt b/src/Mod/Path/CMakeLists.txt index ded7c91a93..78415e1e32 100644 --- a/src/Mod/Path/CMakeLists.txt +++ b/src/Mod/Path/CMakeLists.txt @@ -107,6 +107,7 @@ SET(PathScripts_SRCS PathScripts/PathStop.py PathScripts/PathSurface.py PathScripts/PathSurfaceGui.py + PathScripts/PathSurfaceSupport.py PathScripts/PathToolBit.py PathScripts/PathToolBitCmd.py PathScripts/PathToolBitEdit.py diff --git a/src/Mod/Path/Gui/Resources/panels/PageOpWaterlineEdit.ui b/src/Mod/Path/Gui/Resources/panels/PageOpWaterlineEdit.ui index 5e0edef1c9..82533fe061 100644 --- a/src/Mod/Path/Gui/Resources/panels/PageOpWaterlineEdit.ui +++ b/src/Mod/Path/Gui/Resources/panels/PageOpWaterlineEdit.ui @@ -50,6 +50,9 @@ 8 + + <html><head/><body><p>Select the overall boundary for the operation.</p></body></html> + Stock @@ -70,6 +73,9 @@ 0 + + <html><head/><body><p>Positive values push the cutter toward, or beyond, the boundary. Negative values retract the cutter away from the boundary.</p></body></html> + @@ -79,6 +85,9 @@ 8 + + <html><head/><body><p>Complete the operation in a single pass at depth, or mulitiple passes to final depth.</p></body></html> + Single-pass @@ -93,6 +102,9 @@ + + <html><head/><body><p>Select the algorithm to use: OCL Dropcutter*, or Experimental (Not OCL based).</p></body></html> + OCL Dropcutter @@ -107,6 +119,9 @@ + + <html><head/><body><p>Enable optimization of linear paths (co-linear points). Removes unnecessary co-linear points from G-Code output.</p></body></html> + Optimize Linear Paths @@ -132,6 +147,9 @@ 8 + + <html><head/><body><p>Set the geometric clearing pattern to use for the operation.</p></body></html> + None @@ -213,6 +231,9 @@ + + <html><head/><body><p>Set the sampling resolution. Smaller values quickly increase processing time.</p></body></html> + mm @@ -260,8 +281,8 @@ Gui::InputField - QWidget -
gui::inputfield.h
+ QLineEdit +
Gui/InputField.h
 diff --git a/src/Mod/Path/PathScripts/PathSurfaceSupport.py b/src/Mod/Path/PathScripts/PathSurfaceSupport.py new file mode 100644 index 0000000000..e991b28163 --- /dev/null +++ b/src/Mod/Path/PathScripts/PathSurfaceSupport.py @@ -0,0 +1,1855 @@ +# -*- coding: utf-8 -*- + +# *************************************************************************** +# * * +# * Copyright (c) 2020 russ4262 * +# * * +# * This program is free software; you can redistribute it and/or modify * +# * it under the terms of the GNU Lesser General Public License (LGPL) * +# * as published by the Free Software Foundation; either version 2 of * +# * the License, or (at your option) any later version. * +# * for detail see the LICENCE text file. * +# * * +# * This program is distributed in the hope that it will be useful, * +# * but WITHOUT ANY WARRANTY; without even the implied warranty of * +# * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * +# * GNU Library General Public License for more details. * +# * * +# * You should have received a copy of the GNU Library General Public * +# * License along with this program; if not, write to the Free Software * +# * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * +# * USA * +# * * +# *************************************************************************** + +from __future__ import print_function + +__title__ = "Path Surface Support Module" +__author__ = "russ4262 (Russell Johnson)" +__url__ = "http://www.freecadweb.org" +__doc__ = "Support functions and classes for 3D Surface and Waterline operations." +# __name__ = "PathSurfaceSupport" +__contributors__ = "" + +import FreeCAD +from PySide import QtCore +import Path +import PathScripts.PathLog as PathLog +import PathScripts.PathUtils as PathUtils +import math +import Part + + +PathLog.setLevel(PathLog.Level.INFO, PathLog.thisModule()) +# PathLog.trackModule(PathLog.thisModule()) + + +# Qt translation handling +def translate(context, text, disambig=None): + return QtCore.QCoreApplication.translate(context, text, disambig) + + +class PathGeometryGenerator: + '''Creates a path geometry shape from an assigned pattern for conversion to tool paths. + PathGeometryGenerator(obj, shape, pattern) + `obj` is the operation object, `shape` is the horizontal planar shape object, + and `pattern` is the name of the geometric pattern to apply. + Frist, call the getCenterOfPattern() method for the CenterOfMass for patterns allowing a custom center. + Next, call the generatePathGeometry() method to request the path geometry shape.''' + + # Register valid patterns here by name + # Create a corresponding processing method below. Precede the name with an underscore(_) + patterns = ('Circular', 'CircularZigZag', 'Line', 'Offset', 'Spiral', 'ZigZag') + + def __init__(self, obj, shape, pattern): + '''__init__(obj, shape, pattern)... Instantiate PathGeometryGenerator class. + Required arguments are the operation object, horizontal planar shape, and pattern name.''' + self.debugObjectsGroup = False + self.pattern = 'None' + self.shape = None + self.pathGeometry = None + self.rawGeoList = None + self.centerOfMass = None + self.centerofPattern = None + self.deltaX = None + self.deltaY = None + self.deltaC = None + self.halfDiag = None + self.halfPasses = None + self.obj = obj + self.toolDiam = float(obj.ToolController.Tool.Diameter) + self.cutOut = self.toolDiam * (float(obj.StepOver) / 100.0) + self.wpc = Part.makeCircle(2.0) # make circle for workplane + + # validate requested pattern + if pattern in self.patterns: + if hasattr(self, '_' + pattern): + self.pattern = pattern + + if shape.BoundBox.ZMin != 0.0: + shape.translate(FreeCAD.Vector(0.0, 0.0, 0.0 - shape.BoundBox.ZMin)) + if shape.BoundBox.ZLength == 0.0: + self.shape = shape + else: + PathLog.warning('Shape appears to not be horizontal planar. ZMax is {}.'.format(shape.BoundBox.ZMax)) + + self._prepareConstants() + + def _prepareConstants(self): + # Apply drop cutter extra offset and set the max and min XY area of the operation + xmin = self.shape.BoundBox.XMin + xmax = self.shape.BoundBox.XMax + ymin = self.shape.BoundBox.YMin + ymax = self.shape.BoundBox.YMax + + # Compute weighted center of mass of all faces combined + if self.pattern in ['Circular', 'CircularZigZag', 'Spiral']: + if self.obj.PatternCenterAt == 'CenterOfMass': + fCnt = 0 + totArea = 0.0 + zeroCOM = FreeCAD.Vector(0.0, 0.0, 0.0) + for F in self.shape.Faces: + comF = F.CenterOfMass + areaF = F.Area + totArea += areaF + fCnt += 1 + zeroCOM = zeroCOM.add(FreeCAD.Vector(comF.x, comF.y, 0.0).multiply(areaF)) + if fCnt == 0: + PathLog.error(translate(self.module, 'Cannot calculate the Center Of Mass. Using Center of Boundbox instead.')) + bbC = self.shape.BoundBox.Center + zeroCOM = FreeCAD.Vector(bbC.x, bbC.y, 0.0) + else: + avgArea = totArea / fCnt + zeroCOM.multiply(1 / fCnt) + zeroCOM.multiply(1 / avgArea) + self.centerOfMass = FreeCAD.Vector(zeroCOM.x, zeroCOM.y, 0.0) + self.centerOfPattern = self._getPatternCenter() + else: + bbC = self.shape.BoundBox.Center + self.centerOfPattern = FreeCAD.Vector(bbC.x, bbC.y, 0.0) + + # get X, Y, Z spans; Compute center of rotation + self.deltaX = self.shape.BoundBox.XLength + self.deltaY = self.shape.BoundBox.YLength + self.deltaC = self.shape.BoundBox.DiagonalLength # math.sqrt(self.deltaX**2 + self.deltaY**2) + lineLen = self.deltaC + (2.0 * self.toolDiam) # Line length to span boundbox diag with 2x cutter diameter extra on each end + self.halfDiag = math.ceil(lineLen / 2.0) + cutPasses = math.ceil(lineLen / self.cutOut) + 1 # Number of lines(passes) required to cover boundbox diagonal + self.halfPasses = math.ceil(cutPasses / 2.0) + + # Public methods + def setDebugObjectsGroup(self, tmpGrpObject): + '''setDebugObjectsGroup(tmpGrpObject)... + Pass the temporary object group to show temporary construction objects''' + self.debugObjectsGroup = tmpGrpObject + + def getCenterOfPattern(self): + '''getCenterOfPattern()... + Returns the Center Of Mass for the current class instance.''' + return self.centerOfPattern + + def generatePathGeometry(self): + '''generatePathGeometry()... + Call this function to obtain the path geometry shape, generated by this class.''' + if self.pattern == 'None': + PathLog.warning('PGG: No pattern set.') + return False + + if self.shape is None: + PathLog.warning('PGG: No shape set.') + return False + + cmd = 'self._' + self.pattern + '()' + exec(cmd) + + if self.obj.CutPatternReversed is True: + self.rawGeoList.reverse() + + # Create compound object to bind all lines in Lineset + geomShape = Part.makeCompound(self.rawGeoList) + + # Position and rotate the Line and ZigZag geometry + if self.pattern in ['Line', 'ZigZag']: + if self.obj.CutPatternAngle != 0.0: + geomShape.Placement.Rotation = FreeCAD.Rotation(FreeCAD.Vector(0, 0, 1), self.obj.CutPatternAngle) + bbC = self.shape.BoundBox.Center + geomShape.Placement.Base = FreeCAD.Vector(bbC.x, bbC.y, 0.0 - geomShape.BoundBox.ZMin) + + if self.debugObjectsGroup: + F = FreeCAD.ActiveDocument.addObject('Part::Feature', 'tmpGeometrySet') + F.Shape = geomShape + F.purgeTouched() + self.debugObjectsGroup.addObject(F) + + if self.pattern == 'Offset': + return geomShape + + # Identify intersection of cross-section face and lineset + cmnShape = self.shape.common(geomShape) + + if self.debugObjectsGroup: + F = FreeCAD.ActiveDocument.addObject('Part::Feature', 'tmpPathGeometry') + F.Shape = cmnShape + F.purgeTouched() + self.debugObjectsGroup.addObject(F) + + return cmnShape + + # Cut pattern methods + def _Circular(self): + GeoSet = list() + radialPasses = self._getRadialPasses() + minRad = self.toolDiam * 0.45 + siX3 = 3 * self.obj.SampleInterval.Value + minRadSI = (siX3 / 2.0) / math.pi + + if minRad < minRadSI: + minRad = minRadSI + + PathLog.debug(' -centerOfPattern: {}'.format(self.centerOfPattern)) + # Make small center circle to start pattern + if self.obj.StepOver > 50: + circle = Part.makeCircle(minRad, self.centerOfPattern) + GeoSet.append(circle) + + for lc in range(1, radialPasses + 1): + rad = (lc * self.cutOut) + if rad >= minRad: + circle = Part.makeCircle(rad, self.centerOfPattern) + GeoSet.append(circle) + # Efor + self.rawGeoList = GeoSet + + def _CircularZigZag(self): + self._Circular() # Use _Circular generator + + def _Line(self): + GeoSet = list() + centRot = FreeCAD.Vector(0.0, 0.0, 0.0) # Bottom left corner of face/selection/model + cAng = math.atan(self.deltaX / self.deltaY) # BoundaryBox angle + + # Determine end points and create top lines + x1 = centRot.x - self.halfDiag + x2 = centRot.x + self.halfDiag + diag = None + if self.obj.CutPatternAngle == 0 or self.obj.CutPatternAngle == 180: + diag = self.deltaY + elif self.obj.CutPatternAngle == 90 or self.obj.CutPatternAngle == 270: + diag = self.deltaX + else: + perpDist = math.cos(cAng - math.radians(self.obj.CutPatternAngle)) * self.deltaC + diag = perpDist + y1 = centRot.y + diag + # y2 = y1 + + # Create end points for set of lines to intersect with cross-section face + pntTuples = list() + for lc in range((-1 * (self.halfPasses - 1)), self.halfPasses + 1): + x1 = centRot.x - self.halfDiag + x2 = centRot.x + self.halfDiag + y1 = centRot.y + (lc * self.cutOut) + # y2 = y1 + p1 = FreeCAD.Vector(x1, y1, 0.0) + p2 = FreeCAD.Vector(x2, y1, 0.0) + pntTuples.append((p1, p2)) + + # Convert end points to lines + for (p1, p2) in pntTuples: + line = Part.makeLine(p1, p2) + GeoSet.append(line) + + self.rawGeoList = GeoSet + + def _Offset(self): + self.rawGeoList = self._extractOffsetFaces() + + def _Spiral(self): + GeoSet = list() + SEGS = list() + draw = True + loopRadians = 0.0 # Used to keep track of complete loops/cycles + sumRadians = 0.0 + loopCnt = 0 + segCnt = 0 + twoPi = 2.0 * math.pi + maxDist = math.ceil(self.cutOut * self._getRadialPasses()) # self.halfDiag + move = self.centerOfPattern # Use to translate the center of the spiral + lastPoint = FreeCAD.Vector(0.0, 0.0, 0.0) + + # Set tool properties and calculate cutout + cutOut = self.cutOut / twoPi + segLen = self.obj.SampleInterval.Value # CutterDiameter / 10.0 # SampleInterval.Value + stepAng = segLen / ((loopCnt + 1) * self.cutOut) # math.pi / 18.0 # 10 degrees + stopRadians = maxDist / cutOut + + if self.obj.CutPatternReversed: + if self.obj.CutMode == 'Conventional': + getPoint = self._makeOppSpiralPnt + else: + getPoint = self._makeRegSpiralPnt + + while draw: + radAng = sumRadians + stepAng + p1 = lastPoint + p2 = getPoint(move, cutOut, radAng) # cutOut is 'b' in the equation r = b * radAng + sumRadians += stepAng # Increment sumRadians + loopRadians += stepAng # Increment loopRadians + if loopRadians > twoPi: + loopCnt += 1 + loopRadians -= twoPi + stepAng = segLen / ((loopCnt + 1) * self.cutOut) # adjust stepAng with each loop/cycle + segCnt += 1 + lastPoint = p2 + if sumRadians > stopRadians: + draw = False + # Create line and show in Object tree + lineSeg = Part.makeLine(p2, p1) + SEGS.append(lineSeg) + # Ewhile + SEGS.reverse() + else: + if self.obj.CutMode == 'Climb': + getPoint = self._makeOppSpiralPnt + else: + getPoint = self._makeRegSpiralPnt + + while draw: + radAng = sumRadians + stepAng + p1 = lastPoint + p2 = getPoint(move, cutOut, radAng) # cutOut is 'b' in the equation r = b * radAng + sumRadians += stepAng # Increment sumRadians + loopRadians += stepAng # Increment loopRadians + if loopRadians > twoPi: + loopCnt += 1 + loopRadians -= twoPi + stepAng = segLen / ((loopCnt + 1) * self.cutOut) # adjust stepAng with each loop/cycle + segCnt += 1 + lastPoint = p2 + if sumRadians > stopRadians: + draw = False + # Create line and show in Object tree + lineSeg = Part.makeLine(p1, p2) + SEGS.append(lineSeg) + # Ewhile + # Eif + spiral = Part.Wire([ls.Edges[0] for ls in SEGS]) + GeoSet.append(spiral) + + self.rawGeoList = GeoSet + + def _ZigZag(self): + self._Line() # Use _Line generator + + # Support methods + def _getPatternCenter(self): + centerAt = self.obj.PatternCenterAt + + if centerAt == 'CenterOfMass': + cntrPnt = FreeCAD.Vector(self.centerOfMass.x, self.centerOfMass.y, 0.0) + elif centerAt == 'CenterOfBoundBox': + cent = self.shape.BoundBox.Center + cntrPnt = FreeCAD.Vector(cent.x, cent.y, 0.0) + elif centerAt == 'XminYmin': + cntrPnt = FreeCAD.Vector(self.shape.BoundBox.XMin, self.shape.BoundBox.YMin, 0.0) + elif centerAt == 'Custom': + cntrPnt = FreeCAD.Vector(self.obj.PatternCenterCustom.x, self.obj.PatternCenterCustom.y, 0.0) + + # Update centerOfPattern point + if centerAt != 'Custom': + self.obj.PatternCenterCustom = cntrPnt + self.centerOfPattern = cntrPnt + + return cntrPnt + + def _getRadialPasses(self): + # recalculate number of passes, if need be + radialPasses = self.halfPasses + if self.obj.PatternCenterAt != 'CenterOfBoundBox': + # make 4 corners of boundbox in XY plane, find which is greatest distance to new circular center + EBB = self.shape.BoundBox + CORNERS = [ + FreeCAD.Vector(EBB.XMin, EBB.YMin, 0.0), + FreeCAD.Vector(EBB.XMin, EBB.YMax, 0.0), + FreeCAD.Vector(EBB.XMax, EBB.YMax, 0.0), + FreeCAD.Vector(EBB.XMax, EBB.YMin, 0.0), + ] + dMax = 0.0 + for c in range(0, 4): + dist = CORNERS[c].sub(self.centerOfPattern).Length + if dist > dMax: + dMax = dist + diag = dMax + (2.0 * self.toolDiam) # Line length to span boundbox diag with 2x cutter diameter extra on each end + radialPasses = math.ceil(diag / self.cutOut) + 1 # Number of lines(passes) required to cover boundbox diagonal + + return radialPasses + + def _makeRegSpiralPnt(self, move, b, radAng): + x = b * radAng * math.cos(radAng) + y = b * radAng * math.sin(radAng) + return FreeCAD.Vector(x, y, 0.0).add(move) + + def _makeOppSpiralPnt(self, move, b, radAng): + x = b * radAng * math.cos(radAng) + y = b * radAng * math.sin(radAng) + return FreeCAD.Vector(-1 * x, y, 0.0).add(move) + + def _extractOffsetFaces(self): + PathLog.debug('_extractOffsetFaces()') + wires = list() + faces = list() + ofst = 0.0 # - self.cutOut + shape = self.shape + cont = True + cnt = 0 + while cont: + ofstArea = self._getFaceOffset(shape, ofst) + if not ofstArea: + PathLog.warning('PGG: No offset clearing area returned.') + cont = False + break + for F in ofstArea.Faces: + faces.append(F) + for w in F.Wires: + wires.append(w) + shape = ofstArea + if cnt == 0: + ofst = 0.0 - self.cutOut + cnt += 1 + return wires + + def _getFaceOffset(self, shape, offset): + '''_getFaceOffset(shape, offset) ... internal function. + Original _buildPathArea() version copied from PathAreaOp.py module. This version is modified. + Adjustments made based on notes by @sliptonic at this webpage: https://github.com/sliptonic/FreeCAD/wiki/PathArea-notes.''' + PathLog.debug('_getFaceOffset()') + + areaParams = {} + areaParams['Offset'] = offset + areaParams['Fill'] = 1 # 1 + areaParams['Coplanar'] = 0 + areaParams['SectionCount'] = 1 # -1 = full(all per depthparams??) sections + areaParams['Reorient'] = True + areaParams['OpenMode'] = 0 + areaParams['MaxArcPoints'] = 400 # 400 + areaParams['Project'] = True + + area = Path.Area() # Create instance of Area() class object + # area.setPlane(PathUtils.makeWorkplane(shape)) # Set working plane + area.setPlane(PathUtils.makeWorkplane(self.wpc)) # Set working plane to normal at Z=1 + area.add(shape) + area.setParams(**areaParams) # set parameters + + offsetShape = area.getShape() + wCnt = len(offsetShape.Wires) + if wCnt == 0: + return False + elif wCnt == 1: + ofstFace = Part.Face(offsetShape.Wires[0]) + else: + W = list() + for wr in offsetShape.Wires: + W.append(Part.Face(wr)) + ofstFace = Part.makeCompound(W) + + return ofstFace +# Eclass + + +class ProcessSelectedFaces: + """ProcessSelectedFaces(JOB, obj) class. + This class processes the `obj.Base` object for selected geometery. + Calling the preProcessModel(module) method returns + two compound objects as a tuple: (FACES, VOIDS) or False.""" + + def __init__(self, JOB, obj): + self.modelSTLs = list() + self.profileShapes = list() + self.tempGroup = False + self.showDebugObjects = False + self.checkBase = False + self.module = None + self.radius = None + self.depthParams = None + self.msgNoFaces = translate(self.module, 'Face selection is unavailable for Rotational scans. Ignoring selected faces.') + self.JOB = JOB + self.obj = obj + self.profileEdges = 'None' + + if hasattr(obj, 'ProfileEdges'): + self.profileEdges = obj.ProfileEdges + + # Setup STL, model type, and bound box containers for each model in Job + for m in range(0, len(JOB.Model.Group)): + M = JOB.Model.Group[m] + self.modelSTLs.append(False) + self.profileShapes.append(False) + + # make circle for workplane + self.wpc = Part.makeCircle(2.0) + + def PathSurface(self): + if self.obj.Base: + if len(self.obj.Base) > 0: + self.checkBase = True + if self.obj.ScanType == 'Rotational': + self.checkBase = False + PathLog.warning(self.msgNoFaces) + + def PathWaterline(self): + if self.obj.Base: + if len(self.obj.Base) > 0: + self.checkBase = True + if self.obj.Algorithm in ['OCL Dropcutter', 'Experimental']: + self.checkBase = False + PathLog.warning(self.msgNoFaces) + + # public class methods + def setShowDebugObjects(self, grpObj, val): + self.tempGroup = grpObj + self.showDebugObjects = val + + def preProcessModel(self, module): + PathLog.debug('preProcessModel()') + + if not self._isReady(module): + return False + + FACES = list() + VOIDS = list() + fShapes = list() + vShapes = list() + GRP = self.JOB.Model.Group + lenGRP = len(GRP) + + # Crete place holders for each base model in Job + for m in range(0, lenGRP): + FACES.append(False) + VOIDS.append(False) + fShapes.append(False) + vShapes.append(False) + + # The user has selected subobjects from the base. Pre-Process each. + if self.checkBase: + PathLog.debug(' -obj.Base exists. Pre-processing for selected faces.') + + # (FACES, VOIDS) = self._identifyFacesAndVoids(FACES, VOIDS) + (F, V) = self._identifyFacesAndVoids(FACES, VOIDS) + + # Cycle through each base model, processing faces for each + for m in range(0, lenGRP): + base = GRP[m] + (mFS, mVS, mPS) = self._preProcessFacesAndVoids(base, m, FACES, VOIDS) + fShapes[m] = mFS + vShapes[m] = mVS + self.profileShapes[m] = mPS + else: + PathLog.debug(' -No obj.Base data.') + for m in range(0, lenGRP): + self.modelSTLs[m] = True + + # Process each model base, as a whole, as needed + # PathLog.debug(' -Pre-processing all models in Job.') + for m in range(0, lenGRP): + if fShapes[m] is False: + PathLog.debug(' -Pre-processing {} as a whole.'.format(GRP[m].Label)) + if self.obj.BoundBox == 'BaseBoundBox': + base = GRP[m] + elif self.obj.BoundBox == 'Stock': + base = self.JOB.Stock + + pPEB = self._preProcessEntireBase(base, m) + if pPEB is False: + PathLog.error(' -Failed to pre-process base as a whole.') + else: + (fcShp, prflShp) = pPEB + if fcShp is not False: + if fcShp is True: + PathLog.debug(' -fcShp is True.') + fShapes[m] = True + else: + fShapes[m] = [fcShp] + if prflShp is not False: + if fcShp is not False: + PathLog.debug('vShapes[{}]: {}'.format(m, vShapes[m])) + if vShapes[m] is not False: + PathLog.debug(' -Cutting void from base profile shape.') + adjPS = prflShp.cut(vShapes[m][0]) + self.profileShapes[m] = [adjPS] + else: + PathLog.debug(' -vShapes[m] is False.') + self.profileShapes[m] = [prflShp] + else: + PathLog.debug(' -Saving base profile shape.') + self.profileShapes[m] = [prflShp] + PathLog.debug('self.profileShapes[{}]: {}'.format(m, self.profileShapes[m])) + # Efor + + return (fShapes, vShapes) + + # private class methods + def _isReady(self, module): + '''_isReady(module)... Internal method. + Checks if required attributes are available for processing obj.Base (the Base Geometry).''' + if hasattr(self, module): + self.module = module + modMethod = getattr(self, module) # gets the attribute only + modMethod() # executes as method + else: + return False + + if not self.radius: + return False + + if not self.depthParams: + return False + + return True + + def _identifyFacesAndVoids(self, F, V): + TUPS = list() + GRP = self.JOB.Model.Group + lenGRP = len(GRP) + + # Separate selected faces into (base, face) tuples and flag model(s) for STL creation + for (bs, SBS) in self.obj.Base: + for sb in SBS: + # Flag model for STL creation + mdlIdx = None + for m in range(0, lenGRP): + if bs is GRP[m]: + self.modelSTLs[m] = True + mdlIdx = m + break + TUPS.append((mdlIdx, bs, sb)) # (model idx, base, sub) + + # Apply `AvoidXFaces` value + faceCnt = len(TUPS) + add = faceCnt - self.obj.AvoidLastX_Faces + for bst in range(0, faceCnt): + (m, base, sub) = TUPS[bst] + shape = getattr(base.Shape, sub) + if isinstance(shape, Part.Face): + faceIdx = int(sub[4:]) - 1 + if bst < add: + if F[m] is False: + F[m] = list() + F[m].append((shape, faceIdx)) + else: + if V[m] is False: + V[m] = list() + V[m].append((shape, faceIdx)) + return (F, V) + + def _preProcessFacesAndVoids(self, base, m, FACES, VOIDS): + mFS = False + mVS = False + mPS = False + mIFS = list() + + if FACES[m] is not False: + isHole = False + if self.obj.HandleMultipleFeatures == 'Collectively': + cont = True + fsL = list() # face shape list + ifL = list() # avoid shape list + outFCS = list() + + # Get collective envelope slice of selected faces + for (fcshp, fcIdx) in FACES[m]: + fNum = fcIdx + 1 + fsL.append(fcshp) + gFW = self._getFaceWires(base, fcshp, fcIdx) + if gFW is False: + PathLog.debug('Failed to get wires from Face{}'.format(fNum)) + elif gFW[0] is False: + PathLog.debug('Cannot process Face{}. Check that it has horizontal surface exposure.'.format(fNum)) + else: + ((otrFace, raised), intWires) = gFW + outFCS.append(otrFace) + if self.obj.InternalFeaturesCut is False: + if intWires is not False: + for (iFace, rsd) in intWires: + ifL.append(iFace) + + PathLog.debug('Attempting to get cross-section of collective faces.') + if len(outFCS) == 0: + PathLog.error('Cannot process selected faces. Check horizontal surface exposure.'.format(fNum)) + cont = False + else: + cfsL = Part.makeCompound(outFCS) + + # Handle profile edges request + if cont is True and self.profileEdges != 'None': + ofstVal = self._calculateOffsetValue(isHole) + psOfst = extractFaceOffset(cfsL, ofstVal, self.wpc) + if psOfst is not False: + mPS = [psOfst] + if self.profileEdges == 'Only': + mFS = True + cont = False + else: + PathLog.error(' -Failed to create profile geometry for selected faces.') + cont = False + + if cont: + if self.showDebugObjects: + T = FreeCAD.ActiveDocument.addObject('Part::Feature', 'tmpCollectiveShape') + T.Shape = cfsL + T.purgeTouched() + self.tempGroup.addObject(T) + + ofstVal = self._calculateOffsetValue(isHole) + faceOfstShp = extractFaceOffset(cfsL, ofstVal, self.wpc) + if faceOfstShp is False: + PathLog.error(' -Failed to create offset face.') + cont = False + + if cont: + lenIfL = len(ifL) + if self.obj.InternalFeaturesCut is False: + if lenIfL == 0: + PathLog.debug(' -No internal features saved.') + else: + if lenIfL == 1: + casL = ifL[0] + else: + casL = Part.makeCompound(ifL) + if self.showDebugObjects: + C = FreeCAD.ActiveDocument.addObject('Part::Feature', 'tmpCompoundIntFeat') + C.Shape = casL + C.purgeTouched() + self.tempGroup.addObject(C) + ofstVal = self._calculateOffsetValue(isHole=True) + intOfstShp = extractFaceOffset(casL, ofstVal, self.wpc) + mIFS.append(intOfstShp) + # faceOfstShp = faceOfstShp.cut(intOfstShp) + + mFS = [faceOfstShp] + # Eif + + elif self.obj.HandleMultipleFeatures == 'Individually': + for (fcshp, fcIdx) in FACES[m]: + cont = True + ifL = list() # avoid shape list + fNum = fcIdx + 1 + outerFace = False + + gFW = self._getFaceWires(base, fcshp, fcIdx) + if gFW is False: + PathLog.debug('Failed to get wires from Face{}'.format(fNum)) + cont = False + elif gFW[0] is False: + PathLog.debug('Cannot process Face{}. Check that it has horizontal surface exposure.'.format(fNum)) + cont = False + outerFace = False + else: + ((otrFace, raised), intWires) = gFW + outerFace = otrFace + if self.obj.InternalFeaturesCut is False: + if intWires is not False: + for (iFace, rsd) in intWires: + ifL.append(iFace) + + if outerFace is not False: + PathLog.debug('Attempting to create offset face of Face{}'.format(fNum)) + + if self.profileEdges != 'None': + ofstVal = self._calculateOffsetValue(isHole) + psOfst = extractFaceOffset(outerFace, ofstVal, self.wpc) + if psOfst is not False: + if mPS is False: + mPS = list() + mPS.append(psOfst) + if self.profileEdges == 'Only': + if mFS is False: + mFS = list() + mFS.append(True) + cont = False + else: + PathLog.error(' -Failed to create profile geometry for Face{}.'.format(fNum)) + cont = False + + if cont: + ofstVal = self._calculateOffsetValue(isHole) + faceOfstShp = extractFaceOffset(outerFace, ofstVal, self.wpc) + + lenIfl = len(ifL) + if self.obj.InternalFeaturesCut is False and lenIfl > 0: + if lenIfl == 1: + casL = ifL[0] + else: + casL = Part.makeCompound(ifL) + + ofstVal = self._calculateOffsetValue(isHole=True) + intOfstShp = extractFaceOffset(casL, ofstVal, self.wpc) + mIFS.append(intOfstShp) + # faceOfstShp = faceOfstShp.cut(intOfstShp) + + if mFS is False: + mFS = list() + mFS.append(faceOfstShp) + # Eif + # Efor + # Eif + # Eif + + if len(mIFS) > 0: + if mVS is False: + mVS = list() + for ifs in mIFS: + mVS.append(ifs) + + if VOIDS[m] is not False: + PathLog.debug('Processing avoid faces.') + cont = True + isHole = False + outFCS = list() + intFEAT = list() + + for (fcshp, fcIdx) in VOIDS[m]: + fNum = fcIdx + 1 + gFW = self._getFaceWires(base, fcshp, fcIdx) + if gFW is False: + PathLog.debug('Failed to get wires from avoid Face{}'.format(fNum)) + cont = False + else: + ((otrFace, raised), intWires) = gFW + outFCS.append(otrFace) + if self.obj.AvoidLastX_InternalFeatures is False: + if intWires is not False: + for (iFace, rsd) in intWires: + intFEAT.append(iFace) + + lenOtFcs = len(outFCS) + if lenOtFcs == 0: + cont = False + else: + if lenOtFcs == 1: + avoid = outFCS[0] + else: + avoid = Part.makeCompound(outFCS) + + if self.showDebugObjects: + PathLog.debug('*** tmpAvoidArea') + P = FreeCAD.ActiveDocument.addObject('Part::Feature', 'tmpVoidEnvelope') + P.Shape = avoid + P.purgeTouched() + self.tempGroup.addObject(P) + + if cont: + if self.showDebugObjects: + PathLog.debug('*** tmpVoidCompound') + P = FreeCAD.ActiveDocument.addObject('Part::Feature', 'tmpVoidCompound') + P.Shape = avoid + P.purgeTouched() + self.tempGroup.addObject(P) + ofstVal = self._calculateOffsetValue(isHole, isVoid=True) + avdOfstShp = extractFaceOffset(avoid, ofstVal, self.wpc) + if avdOfstShp is False: + PathLog.error('Failed to create collective offset avoid face.') + cont = False + + if cont: + avdShp = avdOfstShp + + if self.obj.AvoidLastX_InternalFeatures is False and len(intFEAT) > 0: + if len(intFEAT) > 1: + ifc = Part.makeCompound(intFEAT) + else: + ifc = intFEAT[0] + ofstVal = self._calculateOffsetValue(isHole=True) + ifOfstShp = extractFaceOffset(ifc, ofstVal, self.wpc) + if ifOfstShp is False: + PathLog.error('Failed to create collective offset avoid internal features.') + else: + avdShp = avdOfstShp.cut(ifOfstShp) + + if mVS is False: + mVS = list() + mVS.append(avdShp) + + + return (mFS, mVS, mPS) + + def _getFaceWires(self, base, fcshp, fcIdx): + outFace = False + INTFCS = list() + fNum = fcIdx + 1 + warnFinDep = translate(self.module, 'Final Depth might need to be lower. Internal features detected in Face') + + PathLog.debug('_getFaceWires() from Face{}'.format(fNum)) + WIRES = self._extractWiresFromFace(base, fcshp) + if WIRES is False: + PathLog.error('Failed to extract wires from Face{}'.format(fNum)) + return False + + # Process remaining internal features, adding to FCS list + lenW = len(WIRES) + for w in range(0, lenW): + (wire, rsd) = WIRES[w] + PathLog.debug('Processing Wire{} in Face{}. isRaised: {}'.format(w + 1, fNum, rsd)) + if wire.isClosed() is False: + PathLog.debug(' -wire is not closed.') + else: + slc = self._flattenWireToFace(wire) + if slc is False: + PathLog.error('FAILED to identify horizontal exposure on Face{}.'.format(fNum)) + else: + if w == 0: + outFace = (slc, rsd) + else: + # add to VOIDS so cutter avoids area. + PathLog.warning(warnFinDep + str(fNum) + '.') + INTFCS.append((slc, rsd)) + if len(INTFCS) == 0: + return (outFace, False) + else: + return (outFace, INTFCS) + + def _preProcessEntireBase(self, base, m): + cont = True + isHole = False + prflShp = False + # Create envelope, extract cross-section and make offset co-planar shape + # baseEnv = PathUtils.getEnvelope(base.Shape, subshape=None, depthparams=self.depthParams) + + try: + baseEnv = PathUtils.getEnvelope(partshape=base.Shape, subshape=None, depthparams=self.depthParams) # Produces .Shape + except Exception as ee: + PathLog.error(str(ee)) + shell = base.Shape.Shells[0] + solid = Part.makeSolid(shell) + try: + baseEnv = PathUtils.getEnvelope(partshape=solid, subshape=None, depthparams=self.depthParams) # Produces .Shape + except Exception as eee: + PathLog.error(str(eee)) + cont = False + + if cont: + csFaceShape = getShapeSlice(baseEnv) + if csFaceShape is False: + PathLog.debug('getShapeSlice(baseEnv) failed') + csFaceShape = getCrossSection(baseEnv) + if csFaceShape is False: + PathLog.debug('getCrossSection(baseEnv) failed') + csFaceShape = getSliceFromEnvelope(baseEnv) + if csFaceShape is False: + PathLog.error('Failed to slice baseEnv shape.') + cont = False + + if cont is True and self.profileEdges != 'None': + PathLog.debug(' -Attempting profile geometry for model base.') + ofstVal = self._calculateOffsetValue(isHole) + psOfst = extractFaceOffset(csFaceShape, ofstVal, self.wpc) + if psOfst is not False: + if self.profileEdges == 'Only': + return (True, psOfst) + prflShp = psOfst + else: + PathLog.error(' -Failed to create profile geometry.') + cont = False + + if cont: + ofstVal = self._calculateOffsetValue(isHole) + faceOffsetShape = extractFaceOffset(csFaceShape, ofstVal, self.wpc) + if faceOffsetShape is False: + PathLog.error('extractFaceOffset() failed.') + else: + faceOffsetShape.translate(FreeCAD.Vector(0.0, 0.0, 0.0 - faceOffsetShape.BoundBox.ZMin)) + return (faceOffsetShape, prflShp) + return False + + def _extractWiresFromFace(self, base, fc): + '''_extractWiresFromFace(base, fc) ... + Attempts to return all closed wires within a parent face, including the outer most wire of the parent. + The wires are ordered by area. Each wire is also categorized as a pocket(False) or raised protrusion(True). + ''' + PathLog.debug('_extractWiresFromFace()') + + WIRES = list() + lenWrs = len(fc.Wires) + PathLog.debug(' -Wire count: {}'.format(lenWrs)) + + def index0(tup): + return tup[0] + + # Cycle through wires in face + for w in range(0, lenWrs): + PathLog.debug(' -Analyzing wire_{}'.format(w + 1)) + wire = fc.Wires[w] + checkEdges = False + cont = True + + # Check for closed edges (circles, ellipses, etc...) + for E in wire.Edges: + if E.isClosed() is True: + checkEdges = True + break + + if checkEdges is True: + PathLog.debug(' -checkEdges is True') + for e in range(0, len(wire.Edges)): + edge = wire.Edges[e] + if edge.isClosed() is True and edge.Mass > 0.01: + PathLog.debug(' -Found closed edge') + raised = False + ip = self._isPocket(base, fc, edge) + if ip is False: + raised = True + ebb = edge.BoundBox + eArea = ebb.XLength * ebb.YLength + F = Part.Face(Part.Wire([edge])) + WIRES.append((eArea, F.Wires[0], raised)) + cont = False + + if cont: + PathLog.debug(' -cont is True') + # If only one wire and not checkEdges, return first wire + if lenWrs == 1: + return [(wire, False)] + + raised = False + wbb = wire.BoundBox + wArea = wbb.XLength * wbb.YLength + if w > 0: + ip = self._isPocket(base, fc, wire) + if ip is False: + raised = True + WIRES.append((wArea, Part.Wire(wire.Edges), raised)) + + nf = len(WIRES) + if nf > 0: + PathLog.debug(' -number of wires found is {}'.format(nf)) + if nf == 1: + (area, W, raised) = WIRES[0] + owLen = fc.OuterWire.Length + wLen = W.Length + if abs(owLen - wLen) > 0.0000001: + OW = Part.Wire(Part.__sortEdges__(fc.OuterWire.Edges)) + return [(OW, False), (W, raised)] + else: + return [(W, raised)] + else: + sortedWIRES = sorted(WIRES, key=index0, reverse=True) + WRS = [(W, raised) for (area, W, raised) in sortedWIRES] # outer, then inner by area size + # Check if OuterWire is larger than largest in WRS list + (W, raised) = WRS[0] + owLen = fc.OuterWire.Length + wLen = W.Length + if abs(owLen - wLen) > 0.0000001: + OW = Part.Wire(Part.__sortEdges__(fc.OuterWire.Edges)) + WRS.insert(0, (OW, False)) + return WRS + + return False + + def _calculateOffsetValue(self, isHole, isVoid=False): + '''_calculateOffsetValue(self.obj, isHole, isVoid) ... internal function. + Calculate the offset for the Path.Area() function.''' + self.JOB = PathUtils.findParentJob(self.obj) + tolrnc = self.JOB.GeometryTolerance.Value + + if isVoid is False: + if isHole is True: + offset = -1 * self.obj.InternalFeaturesAdjustment.Value + offset += self.radius + (tolrnc / 10.0) + else: + offset = -1 * self.obj.BoundaryAdjustment.Value + if self.obj.BoundaryEnforcement is True: + offset += self.radius + (tolrnc / 10.0) + else: + offset -= self.radius + (tolrnc / 10.0) + offset = 0.0 - offset + else: + offset = -1 * self.obj.BoundaryAdjustment.Value + offset += self.radius + (tolrnc / 10.0) + + return offset + + def _isPocket(self, b, f, w): + '''_isPocket(b, f, w)... + Attempts to determine if the wire(w) in face(f) of base(b) is a pocket or raised protrusion. + Returns True if pocket, False if raised protrusion.''' + e = w.Edges[0] + for fi in range(0, len(b.Shape.Faces)): + face = b.Shape.Faces[fi] + for ei in range(0, len(face.Edges)): + edge = face.Edges[ei] + if e.isSame(edge) is True: + if f is face: + # Alternative: run loop to see if all edges are same + pass # same source face, look for another + else: + if face.CenterOfMass.z < f.CenterOfMass.z: + return True + return False + + def _flattenWireToFace(self, wire): + PathLog.debug('_flattenWireToFace()') + if wire.isClosed() is False: + PathLog.debug(' -wire.isClosed() is False') + return False + + # If wire is planar horizontal, convert to a face and return + if wire.BoundBox.ZLength == 0.0: + slc = Part.Face(wire) + return slc + + # Attempt to create a new wire for manipulation, if not, use original + newWire = Part.Wire(wire.Edges) + if newWire.isClosed() is True: + nWire = newWire + else: + PathLog.debug(' -newWire.isClosed() is False') + nWire = wire + + # Attempt extrusion, and then try a manual slice and then cross-section + ext = getExtrudedShape(nWire) + if ext is False: + PathLog.debug('getExtrudedShape() failed') + else: + slc = getShapeSlice(ext) + if slc is not False: + return slc + cs = getCrossSection(ext, True) + if cs is not False: + return cs + + # Attempt creating an envelope, and then try a manual slice and then cross-section + env = getShapeEnvelope(nWire) + if env is False: + PathLog.debug('getShapeEnvelope() failed') + else: + slc = getShapeSlice(env) + if slc is not False: + return slc + cs = getCrossSection(env, True) + if cs is not False: + return cs + + # Attempt creating a projection + slc = getProjectedFace(self.tempGroup, nWire) + if slc is False: + PathLog.debug('getProjectedFace() failed') + else: + return slc + + return False +# Eclass + + +# Functions for getting a shape envelope and cross-section +def getExtrudedShape(wire): + PathLog.debug('getExtrudedShape()') + wBB = wire.BoundBox + extFwd = math.floor(2.0 * wBB.ZLength) + 10.0 + + try: + shell = wire.extrude(FreeCAD.Vector(0.0, 0.0, extFwd)) + except Exception as ee: + PathLog.error(' -extrude wire failed: \n{}'.format(ee)) + return False + + SHP = Part.makeSolid(shell) + return SHP + +def getShapeSlice(shape): + PathLog.debug('getShapeSlice()') + + bb = shape.BoundBox + mid = (bb.ZMin + bb.ZMax) / 2.0 + xmin = bb.XMin - 1.0 + xmax = bb.XMax + 1.0 + ymin = bb.YMin - 1.0 + ymax = bb.YMax + 1.0 + p1 = FreeCAD.Vector(xmin, ymin, mid) + p2 = FreeCAD.Vector(xmax, ymin, mid) + p3 = FreeCAD.Vector(xmax, ymax, mid) + p4 = FreeCAD.Vector(xmin, ymax, mid) + + e1 = Part.makeLine(p1, p2) + e2 = Part.makeLine(p2, p3) + e3 = Part.makeLine(p3, p4) + e4 = Part.makeLine(p4, p1) + face = Part.Face(Part.Wire([e1, e2, e3, e4])) + fArea = face.BoundBox.XLength * face.BoundBox.YLength # face.Wires[0].Area + sArea = shape.BoundBox.XLength * shape.BoundBox.YLength + midArea = (fArea + sArea) / 2.0 + + slcShp = shape.common(face) + slcArea = slcShp.BoundBox.XLength * slcShp.BoundBox.YLength + + if slcArea < midArea: + for W in slcShp.Wires: + if W.isClosed() is False: + PathLog.debug(' -wire.isClosed() is False') + return False + if len(slcShp.Wires) == 1: + wire = slcShp.Wires[0] + slc = Part.Face(wire) + slc.translate(FreeCAD.Vector(0.0, 0.0, 0.0 - slc.BoundBox.ZMin)) + return slc + else: + fL = list() + for W in slcShp.Wires: + slc = Part.Face(W) + slc.translate(FreeCAD.Vector(0.0, 0.0, 0.0 - slc.BoundBox.ZMin)) + fL.append(slc) + comp = Part.makeCompound(fL) + return comp + + # PathLog.debug(' -slcArea !< midArea') + # PathLog.debug(' -slcShp.Edges count: {}. Might be a vertically oriented face.'.format(len(slcShp.Edges))) + return False + +def getProjectedFace(tempGroup, wire): + import Draft + PathLog.debug('getProjectedFace()') + F = FreeCAD.ActiveDocument.addObject('Part::Feature', 'tmpProjectionWire') + F.Shape = wire + F.purgeTouched() + tempGroup.addObject(F) + try: + prj = Draft.makeShape2DView(F, FreeCAD.Vector(0, 0, 1)) + prj.recompute() + prj.purgeTouched() + tempGroup.addObject(prj) + except Exception as ee: + PathLog.error(str(ee)) + return False + else: + pWire = Part.Wire(prj.Shape.Edges) + if pWire.isClosed() is False: + # PathLog.debug(' -pWire.isClosed() is False') + return False + slc = Part.Face(pWire) + slc.translate(FreeCAD.Vector(0.0, 0.0, 0.0 - slc.BoundBox.ZMin)) + return slc + +def getCrossSection(shape, withExtrude=False): + PathLog.debug('getCrossSection()') + wires = list() + bb = shape.BoundBox + mid = (bb.ZMin + bb.ZMax) / 2.0 + + for i in shape.slice(FreeCAD.Vector(0, 0, 1), mid): + wires.append(i) + + if len(wires) > 0: + comp = Part.Compound(wires) # produces correct cross-section wire ! + comp.translate(FreeCAD.Vector(0.0, 0.0, 0.0 - comp.BoundBox.ZMin)) + csWire = comp.Wires[0] + if csWire.isClosed() is False: + PathLog.debug(' -comp.Wires[0] is not closed') + return False + if withExtrude is True: + ext = getExtrudedShape(csWire) + CS = getShapeSlice(ext) + if CS is False: + return False + else: + CS = Part.Face(csWire) + CS.translate(FreeCAD.Vector(0.0, 0.0, 0.0 - CS.BoundBox.ZMin)) + return CS + else: + PathLog.debug(' -No wires from .slice() method') + + return False + +def getShapeEnvelope(shape): + PathLog.debug('getShapeEnvelope()') + + wBB = shape.BoundBox + extFwd = wBB.ZLength + 10.0 + minz = wBB.ZMin + maxz = wBB.ZMin + extFwd + stpDwn = (maxz - minz) / 4.0 + dep_par = PathUtils.depth_params(maxz + 5.0, maxz + 3.0, maxz, stpDwn, 0.0, minz) + + try: + env = PathUtils.getEnvelope(partshape=shape, depthparams=dep_par) # Produces .Shape + except Exception as ee: + PathLog.error('try: PathUtils.getEnvelope() failed.\n' + str(ee)) + return False + else: + return env + +def getSliceFromEnvelope(env): + PathLog.debug('getSliceFromEnvelope()') + eBB = env.BoundBox + extFwd = eBB.ZLength + 10.0 + maxz = eBB.ZMin + extFwd + + emax = math.floor(maxz - 1.0) + E = list() + for e in range(0, len(env.Edges)): + emin = env.Edges[e].BoundBox.ZMin + if emin > emax: + E.append(env.Edges[e]) + tf = Part.Face(Part.Wire(Part.__sortEdges__(E))) + tf.translate(FreeCAD.Vector(0.0, 0.0, 0.0 - tf.BoundBox.ZMin)) + + return tf + + +# Function to extract offset face from shape +def extractFaceOffset(fcShape, offset, wpc, makeComp=True): + '''extractFaceOffset(fcShape, offset) ... internal function. + Original _buildPathArea() version copied from PathAreaOp.py module. This version is modified. + Adjustments made based on notes by @sliptonic at this webpage: https://github.com/sliptonic/FreeCAD/wiki/PathArea-notes.''' + PathLog.debug('extractFaceOffset()') + + if fcShape.BoundBox.ZMin != 0.0: + fcShape.translate(FreeCAD.Vector(0.0, 0.0, 0.0 - fcShape.BoundBox.ZMin)) + + areaParams = {} + areaParams['Offset'] = offset + areaParams['Fill'] = 1 # 1 + areaParams['Coplanar'] = 0 + areaParams['SectionCount'] = 1 # -1 = full(all per depthparams??) sections + areaParams['Reorient'] = True + areaParams['OpenMode'] = 0 + areaParams['MaxArcPoints'] = 400 # 400 + areaParams['Project'] = True + + area = Path.Area() # Create instance of Area() class object + # area.setPlane(PathUtils.makeWorkplane(fcShape)) # Set working plane + area.setPlane(PathUtils.makeWorkplane(wpc)) # Set working plane to normal at Z=1 + area.add(fcShape) + area.setParams(**areaParams) # set parameters + + offsetShape = area.getShape() + wCnt = len(offsetShape.Wires) + if wCnt == 0: + return False + elif wCnt == 1: + ofstFace = Part.Face(offsetShape.Wires[0]) + if not makeComp: + ofstFace = [ofstFace] + else: + W = list() + for wr in offsetShape.Wires: + W.append(Part.Face(wr)) + if makeComp: + ofstFace = Part.makeCompound(W) + else: + ofstFace = W + + return ofstFace # offsetShape + + +# Functions to convert path geometry into line/arc segments for OCL input or directly to g-code +def pathGeomToLinesPointSet(obj, compGeoShp, cutClimb, toolDiam, closedGap, gaps): + '''pathGeomToLinesPointSet(obj, compGeoShp)... + Convert a compound set of sequential line segments to directionally-oriented collinear groupings.''' + PathLog.debug('pathGeomToLinesPointSet()') + # Extract intersection line segments for return value as list() + LINES = list() + inLine = list() + chkGap = False + lnCnt = 0 + ec = len(compGeoShp.Edges) + cpa = obj.CutPatternAngle + + edg0 = compGeoShp.Edges[0] + p1 = (edg0.Vertexes[0].X, edg0.Vertexes[0].Y) + p2 = (edg0.Vertexes[1].X, edg0.Vertexes[1].Y) + if cutClimb is True: + tup = (p2, p1) + lst = FreeCAD.Vector(p1[0], p1[1], 0.0) + else: + tup = (p1, p2) + lst = FreeCAD.Vector(p2[0], p2[1], 0.0) + inLine.append(tup) + sp = FreeCAD.Vector(p1[0], p1[1], 0.0) # start point + + for ei in range(1, ec): + chkGap = False + edg = compGeoShp.Edges[ei] # Get edge for vertexes + v1 = (edg.Vertexes[0].X, edg.Vertexes[0].Y) # vertex 0 + v2 = (edg.Vertexes[1].X, edg.Vertexes[1].Y) # vertex 1 + + ep = FreeCAD.Vector(v2[0], v2[1], 0.0) # end point + cp = FreeCAD.Vector(v1[0], v1[1], 0.0) # check point (first / middle point) + # iC = sp.isOnLineSegment(ep, cp) + iC = cp.isOnLineSegment(sp, ep) + if iC is True: + inLine.append('BRK') + chkGap = True + else: + if cutClimb is True: + inLine.reverse() + LINES.append(inLine) # Save inLine segments + lnCnt += 1 + inLine = list() # reset collinear container + if cutClimb is True: + sp = cp # FreeCAD.Vector(v1[0], v1[1], 0.0) + else: + sp = ep + + if cutClimb is True: + tup = (v2, v1) + if chkGap is True: + gap = abs(toolDiam - lst.sub(ep).Length) + lst = cp + else: + tup = (v1, v2) + if chkGap is True: + gap = abs(toolDiam - lst.sub(cp).Length) + lst = ep + + if chkGap is True: + if gap < obj.GapThreshold.Value: + b = inLine.pop() # pop off 'BRK' marker + (vA, vB) = inLine.pop() # pop off previous line segment for combining with current + tup = (vA, tup[1]) + closedGap = True + else: + # PathLog.debug('---- Gap: {} mm'.format(gap)) + gap = round(gap, 6) + if gap < gaps[0]: + gaps.insert(0, gap) + gaps.pop() + inLine.append(tup) + # Efor + lnCnt += 1 + if cutClimb is True: + inLine.reverse() + LINES.append(inLine) # Save inLine segments + + # Handle last inLine set, reversing it. + if obj.CutPatternReversed is True: + if cpa != 0.0 and cpa % 90.0 == 0.0: + F = LINES.pop(0) + rev = list() + for iL in F: + if iL == 'BRK': + rev.append(iL) + else: + (p1, p2) = iL + rev.append((p2, p1)) + rev.reverse() + LINES.insert(0, rev) + + isEven = lnCnt % 2 + if isEven == 0: + PathLog.debug('Line count is ODD.') + else: + PathLog.debug('Line count is even.') + + return LINES + +def pathGeomToZigzagPointSet(obj, compGeoShp, cutClimb, toolDiam, closedGap, gaps): + '''_pathGeomToZigzagPointSet(obj, compGeoShp)... + Convert a compound set of sequential line segments to directionally-oriented collinear groupings + with a ZigZag directional indicator included for each collinear group.''' + PathLog.debug('_pathGeomToZigzagPointSet()') + # Extract intersection line segments for return value as list() + LINES = list() + inLine = list() + lnCnt = 0 + chkGap = False + ec = len(compGeoShp.Edges) + + if cutClimb is True: + dirFlg = -1 + else: + dirFlg = 1 + + edg0 = compGeoShp.Edges[0] + p1 = (edg0.Vertexes[0].X, edg0.Vertexes[0].Y) + p2 = (edg0.Vertexes[1].X, edg0.Vertexes[1].Y) + if dirFlg == 1: + tup = (p1, p2) + lst = FreeCAD.Vector(p2[0], p2[1], 0.0) + sp = FreeCAD.Vector(p1[0], p1[1], 0.0) # start point + else: + tup = (p2, p1) + lst = FreeCAD.Vector(p1[0], p1[1], 0.0) + sp = FreeCAD.Vector(p2[0], p2[1], 0.0) # start point + inLine.append(tup) + + for ei in range(1, ec): + edg = compGeoShp.Edges[ei] + v1 = (edg.Vertexes[0].X, edg.Vertexes[0].Y) + v2 = (edg.Vertexes[1].X, edg.Vertexes[1].Y) + + cp = FreeCAD.Vector(v1[0], v1[1], 0.0) # check point (start point of segment) + ep = FreeCAD.Vector(v2[0], v2[1], 0.0) # end point + # iC = sp.isOnLineSegment(ep, cp) + iC = cp.isOnLineSegment(sp, ep) + if iC is True: + inLine.append('BRK') + chkGap = True + gap = abs(toolDiam - lst.sub(cp).Length) + else: + chkGap = False + if dirFlg == -1: + inLine.reverse() + # LINES.append((dirFlg, inLine)) + LINES.append(inLine) + lnCnt += 1 + dirFlg = -1 * dirFlg # Change zig to zag + inLine = list() # reset collinear container + sp = cp # FreeCAD.Vector(v1[0], v1[1], 0.0) + + lst = ep + if dirFlg == 1: + tup = (v1, v2) + else: + tup = (v2, v1) + + if chkGap is True: + if gap < obj.GapThreshold.Value: + b = inLine.pop() # pop off 'BRK' marker + (vA, vB) = inLine.pop() # pop off previous line segment for combining with current + if dirFlg == 1: + tup = (vA, tup[1]) + else: + tup = (tup[0], vB) + closedGap = True + else: + gap = round(gap, 6) + if gap < gaps[0]: + gaps.insert(0, gap) + gaps.pop() + inLine.append(tup) + # Efor + lnCnt += 1 + + # Fix directional issue with LAST line when line count is even + isEven = lnCnt % 2 + if isEven == 0: # Changed to != with 90 degree CutPatternAngle + PathLog.debug('Line count is even.') + else: + PathLog.debug('Line count is ODD.') + dirFlg = -1 * dirFlg + if obj.CutPatternReversed is False: + if cutClimb is True: + dirFlg = -1 * dirFlg + + if obj.CutPatternReversed: + dirFlg = -1 * dirFlg + + # Handle last inLine list + if dirFlg == 1: + rev = list() + for iL in inLine: + if iL == 'BRK': + rev.append(iL) + else: + (p1, p2) = iL + rev.append((p2, p1)) + + if not obj.CutPatternReversed: + rev.reverse() + else: + rev2 = list() + for iL in rev: + if iL == 'BRK': + rev2.append(iL) + else: + (p1, p2) = iL + rev2.append((p2, p1)) + rev2.reverse() + rev = rev2 + + # LINES.append((dirFlg, rev)) + LINES.append(rev) + else: + # LINES.append((dirFlg, inLine)) + LINES.append(inLine) + + return LINES + +def pathGeomToCircularPointSet(obj, compGeoShp, cutClimb, toolDiam, closedGap, gaps, COM): + '''pathGeomToCircularPointSet(obj, compGeoShp)... + Convert a compound set of arcs/circles to a set of directionally-oriented arc end points + and the corresponding center point.''' + # Extract intersection line segments for return value as list() + PathLog.debug('pathGeomToCircularPointSet()') + ARCS = list() + stpOvrEI = list() + segEI = list() + isSame = False + sameRad = None + ec = len(compGeoShp.Edges) + + def gapDist(sp, ep): + X = (ep[0] - sp[0])**2 + Y = (ep[1] - sp[1])**2 + return math.sqrt(X + Y) # the 'z' value is zero in both points + + # Separate arc data into Loops and Arcs + for ei in range(0, ec): + edg = compGeoShp.Edges[ei] + if edg.Closed is True: + stpOvrEI.append(('L', ei, False)) + else: + if isSame is False: + segEI.append(ei) + isSame = True + pnt = FreeCAD.Vector(edg.Vertexes[0].X, edg.Vertexes[0].Y, 0.0) + sameRad = pnt.sub(COM).Length + else: + # Check if arc is co-radial to current SEGS + pnt = FreeCAD.Vector(edg.Vertexes[0].X, edg.Vertexes[0].Y, 0.0) + if abs(sameRad - pnt.sub(COM).Length) > 0.00001: + isSame = False + + if isSame is True: + segEI.append(ei) + else: + # Move co-radial arc segments + stpOvrEI.append(['A', segEI, False]) + # Start new list of arc segments + segEI = [ei] + isSame = True + pnt = FreeCAD.Vector(edg.Vertexes[0].X, edg.Vertexes[0].Y, 0.0) + sameRad = pnt.sub(COM).Length + # Process trailing `segEI` data, if available + if isSame is True: + stpOvrEI.append(['A', segEI, False]) + + # Identify adjacent arcs with y=0 start/end points that connect + for so in range(0, len(stpOvrEI)): + SO = stpOvrEI[so] + if SO[0] == 'A': + startOnAxis = list() + endOnAxis = list() + EI = SO[1] # list of corresponding compGeoShp.Edges indexes + + # Identify startOnAxis and endOnAxis arcs + for i in range(0, len(EI)): + ei = EI[i] # edge index + E = compGeoShp.Edges[ei] # edge object + if abs(COM.y - E.Vertexes[0].Y) < 0.00001: + startOnAxis.append((i, ei, E.Vertexes[0])) + elif abs(COM.y - E.Vertexes[1].Y) < 0.00001: + endOnAxis.append((i, ei, E.Vertexes[1])) + + # Look for connections between startOnAxis and endOnAxis arcs. Consolidate data when connected + lenSOA = len(startOnAxis) + lenEOA = len(endOnAxis) + if lenSOA > 0 and lenEOA > 0: + for soa in range(0, lenSOA): + (iS, eiS, vS) = startOnAxis[soa] + for eoa in range(0, len(endOnAxis)): + (iE, eiE, vE) = endOnAxis[eoa] + dist = vE.X - vS.X + if abs(dist) < 0.00001: # They connect on axis at same radius + SO[2] = (eiE, eiS) + break + elif dist > 0: + break # stop searching + # Eif + # Eif + # Efor + + # Construct arc data tuples for OCL + dirFlg = 1 + if not cutClimb: # True yields Climb when set to Conventional + dirFlg = -1 + + # Cycle through stepOver data + for so in range(0, len(stpOvrEI)): + SO = stpOvrEI[so] + if SO[0] == 'L': # L = Loop/Ring/Circle + # PathLog.debug("SO[0] == 'Loop'") + lei = SO[1] # loop Edges index + v1 = compGeoShp.Edges[lei].Vertexes[0] + + # space = obj.SampleInterval.Value / 10.0 + # space = 0.000001 + space = toolDiam * 0.005 # If too small, OCL will fail to scan the loop + + # p1 = FreeCAD.Vector(v1.X, v1.Y, v1.Z) + p1 = FreeCAD.Vector(v1.X, v1.Y, 0.0) # z=0.0 for waterline; z=v1.Z for 3D Surface + rad = p1.sub(COM).Length + spcRadRatio = space/rad + if spcRadRatio < 1.0: + tolrncAng = math.asin(spcRadRatio) + else: + tolrncAng = 0.99999998 * math.pi + EX = COM.x + (rad * math.cos(tolrncAng)) + EY = v1.Y - space # rad * math.sin(tolrncAng) + + sp = (v1.X, v1.Y, 0.0) + ep = (EX, EY, 0.0) + cp = (COM.x, COM.y, 0.0) + if dirFlg == 1: + arc = (sp, ep, cp) + else: + arc = (ep, sp, cp) # OCL.Arc(firstPnt, lastPnt, centerPnt, dir=True(CCW direction)) + ARCS.append(('L', dirFlg, [arc])) + else: # SO[0] == 'A' A = Arc + # PathLog.debug("SO[0] == 'Arc'") + PRTS = list() + EI = SO[1] # list of corresponding Edges indexes + CONN = SO[2] # list of corresponding connected edges tuples (iE, iS) + chkGap = False + lst = None + + if CONN is not False: + (iE, iS) = CONN + v1 = compGeoShp.Edges[iE].Vertexes[0] + v2 = compGeoShp.Edges[iS].Vertexes[1] + sp = (v1.X, v1.Y, 0.0) + ep = (v2.X, v2.Y, 0.0) + cp = (COM.x, COM.y, 0.0) + if dirFlg == 1: + arc = (sp, ep, cp) + lst = ep + else: + arc = (ep, sp, cp) # OCL.Arc(firstPnt, lastPnt, centerPnt, dir=True(CCW direction)) + lst = sp + PRTS.append(arc) + # Pop connected edge index values from arc segments index list + iEi = EI.index(iE) + iSi = EI.index(iS) + if iEi > iSi: + EI.pop(iEi) + EI.pop(iSi) + else: + EI.pop(iSi) + EI.pop(iEi) + if len(EI) > 0: + PRTS.append('BRK') + chkGap = True + cnt = 0 + for ei in EI: + if cnt > 0: + PRTS.append('BRK') + chkGap = True + v1 = compGeoShp.Edges[ei].Vertexes[0] + v2 = compGeoShp.Edges[ei].Vertexes[1] + sp = (v1.X, v1.Y, 0.0) + ep = (v2.X, v2.Y, 0.0) + cp = (COM.x, COM.y, 0.0) + if dirFlg == 1: + arc = (sp, ep, cp) + if chkGap is True: + gap = abs(toolDiam - gapDist(lst, sp)) # abs(toolDiam - lst.sub(sp).Length) + lst = ep + else: + arc = (ep, sp, cp) # OCL.Arc(firstPnt, lastPnt, centerPnt, dir=True(CCW direction)) + if chkGap is True: + gap = abs(toolDiam - gapDist(lst, ep)) # abs(toolDiam - lst.sub(ep).Length) + lst = sp + if chkGap is True: + if gap < obj.GapThreshold.Value: + PRTS.pop() # pop off 'BRK' marker + (vA, vB, vC) = PRTS.pop() # pop off previous arc segment for combining with current + arc = (vA, arc[1], vC) + closedGap = True + else: + # PathLog.debug('---- Gap: {} mm'.format(gap)) + gap = round(gap, 6) + if gap < gaps[0]: + gaps.insert(0, gap) + gaps.pop() + PRTS.append(arc) + cnt += 1 + + if dirFlg == -1: + PRTS.reverse() + + ARCS.append(('A', dirFlg, PRTS)) + # Eif + if obj.CutPattern == 'CircularZigZag': + dirFlg = -1 * dirFlg + # Efor + + return ARCS + +def pathGeomToSpiralPointSet(obj, compGeoShp): + '''_pathGeomToSpiralPointSet(obj, compGeoShp)... + Convert a compound set of sequential line segments to directional, connected groupings.''' + PathLog.debug('_pathGeomToSpiralPointSet()') + # Extract intersection line segments for return value as list() + LINES = list() + inLine = list() + lnCnt = 0 + ec = len(compGeoShp.Edges) + start = 2 + + if obj.CutPatternReversed: + edg1 = compGeoShp.Edges[0] # Skip first edge, as it is the closing edge: center to outer tail + ec -= 1 + start = 1 + else: + edg1 = compGeoShp.Edges[1] # Skip first edge, as it is the closing edge: center to outer tail + p1 = FreeCAD.Vector(edg1.Vertexes[0].X, edg1.Vertexes[0].Y, 0.0) + p2 = FreeCAD.Vector(edg1.Vertexes[1].X, edg1.Vertexes[1].Y, 0.0) + tup = ((p1.x, p1.y), (p2.x, p2.y)) + inLine.append(tup) + lst = p2 + + for ei in range(start, ec): # Skipped first edge, started with second edge above as edg1 + edg = compGeoShp.Edges[ei] # Get edge for vertexes + sp = FreeCAD.Vector(edg.Vertexes[0].X, edg.Vertexes[0].Y, 0.0) # check point (first / middle point) + ep = FreeCAD.Vector(edg.Vertexes[1].X, edg.Vertexes[1].Y, 0.0) # end point + tup = ((sp.x, sp.y), (ep.x, ep.y)) + + if sp.sub(p2).Length < 0.000001: + inLine.append(tup) + else: + LINES.append(inLine) # Save inLine segments + lnCnt += 1 + inLine = list() # reset container + inLine.append(tup) + p1 = sp + p2 = ep + # Efor + + lnCnt += 1 + LINES.append(inLine) # Save inLine segments + + return LINES + +def pathGeomToOffsetPointSet(obj, compGeoShp): + '''pathGeomToOffsetPointSet(obj, compGeoShp)... + Convert a compound set of 3D profile segmented wires to 2D segments, applying linear optimization.''' + PathLog.debug('pathGeomToOffsetPointSet()') + + LINES = list() + optimize = obj.OptimizeLinearPaths + ofstCnt = len(compGeoShp) + + # Cycle through offeset loops + for ei in range(0, ofstCnt): + OS = compGeoShp[ei] + lenOS = len(OS) + + if ei > 0: + LINES.append('BRK') + + fp = FreeCAD.Vector(OS[0].x, OS[0].y, OS[0].z) + OS.append(fp) + + # Cycle through points in each loop + prev = OS[0] + pnt = OS[1] + for v in range(1, lenOS): + nxt = OS[v + 1] + if optimize: + # iPOL = prev.isOnLineSegment(nxt, pnt) + iPOL = pnt.isOnLineSegment(prev, nxt) + if iPOL: + pnt = nxt + else: + tup = ((prev.x, prev.y), (pnt.x, pnt.y)) + LINES.append(tup) + prev = pnt + pnt = nxt + else: + tup = ((prev.x, prev.y), (pnt.x, pnt.y)) + LINES.append(tup) + prev = pnt + pnt = nxt + if iPOL: + tup = ((prev.x, prev.y), (pnt.x, pnt.y)) + LINES.append(tup) + # Efor + + return [LINES] \ No newline at end of file diff --git a/src/Mod/Path/PathScripts/PathWaterline.py b/src/Mod/Path/PathScripts/PathWaterline.py index c1c8b66cb6..ba930db881 100644 --- a/src/Mod/Path/PathScripts/PathWaterline.py +++ b/src/Mod/Path/PathScripts/PathWaterline.py @@ -1,3484 +1,1971 @@ -# -*- coding: utf-8 -*- - -# *************************************************************************** -# * * -# * Copyright (c) 2019 Russell Johnson (russ4262) * -# * Copyright (c) 2019 sliptonic * -# * * -# * This program is free software; you can redistribute it and/or modify * -# * it under the terms of the GNU Lesser General Public License (LGPL) * -# * as published by the Free Software Foundation; either version 2 of * -# * the License, or (at your option) any later version. * -# * for detail see the LICENCE text file. * -# * * -# * This program is distributed in the hope that it will be useful, * -# * but WITHOUT ANY WARRANTY; without even the implied warranty of * -# * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * -# * GNU Library General Public License for more details. * -# * * -# * You should have received a copy of the GNU Library General Public * -# * License along with this program; if not, write to the Free Software * -# * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * -# * USA * -# * * -# *************************************************************************** - -from __future__ import print_function - -import FreeCAD -import Path -import PathScripts.PathLog as PathLog -import PathScripts.PathUtils as PathUtils -import PathScripts.PathOp as PathOp - -from PySide import QtCore -import time -import math - -# lazily loaded modules -from lazy_loader.lazy_loader import LazyLoader -MeshPart = LazyLoader('MeshPart', globals(), 'MeshPart') -Draft = LazyLoader('Draft', globals(), 'Draft') -Part = LazyLoader('Part', globals(), 'Part') - -if FreeCAD.GuiUp: - import FreeCADGui - -__title__ = "Path Waterline Operation" -__author__ = "russ4262 (Russell Johnson), sliptonic (Brad Collette)" -__url__ = "http://www.freecadweb.org" -__doc__ = "Class and implementation of Mill Facing operation." - -PathLog.setLevel(PathLog.Level.INFO, PathLog.thisModule()) -# PathLog.trackModule(PathLog.thisModule()) - - -# Qt translation handling -def translate(context, text, disambig=None): - return QtCore.QCoreApplication.translate(context, text, disambig) - - -# OCL must be installed -try: - import ocl -except ImportError: - FreeCAD.Console.PrintError( - translate("Path_Waterline", "This operation requires OpenCamLib to be installed.") + "\n") - import sys - sys.exit(translate("Path_Waterline", "This operation requires OpenCamLib to be installed.")) - - -class ObjectWaterline(PathOp.ObjectOp): - '''Proxy object for Surfacing operation.''' - - def baseObject(self): - '''baseObject() ... returns super of receiver - Used to call base implementation in overwritten functions.''' - return super(self.__class__, self) - - def opFeatures(self, obj): - '''opFeatures(obj) ... return all standard features and edges based geomtries''' - return PathOp.FeatureTool | PathOp.FeatureDepths | PathOp.FeatureHeights | PathOp.FeatureStepDown | PathOp.FeatureCoolant | PathOp.FeatureBaseFaces - - def initOperation(self, obj): - '''initPocketOp(obj) ... - Initialize the operation - property creation and property editor status.''' - self.initOpProperties(obj) - - # For debugging - if PathLog.getLevel(PathLog.thisModule()) != 4: - obj.setEditorMode('ShowTempObjects', 2) # hide - - if not hasattr(obj, 'DoNotSetDefaultValues'): - self.setEditorProperties(obj) - - def initOpProperties(self, obj): - '''initOpProperties(obj) ... create operation specific properties''' - PROPS = [ - ("App::PropertyBool", "ShowTempObjects", "Debug", - QtCore.QT_TRANSLATE_NOOP("App::Property", "Show the temporary path construction objects when module is in DEBUG mode.")), - - ("App::PropertyDistance", "AngularDeflection", "Mesh Conversion", - QtCore.QT_TRANSLATE_NOOP("App::Property", "Smaller values yield a finer, more accurate the mesh. Smaller values increase processing time a lot.")), - ("App::PropertyDistance", "LinearDeflection", "Mesh Conversion", - QtCore.QT_TRANSLATE_NOOP("App::Property", "Smaller values yield a finer, more accurate the mesh. Smaller values do not increase processing time much.")), - - ("App::PropertyInteger", "AvoidLastX_Faces", "Selected Geometry Settings", - QtCore.QT_TRANSLATE_NOOP("App::Property", "Avoid cutting the last 'N' faces in the Base Geometry list of selected faces.")), - ("App::PropertyBool", "AvoidLastX_InternalFeatures", "Selected Geometry Settings", - QtCore.QT_TRANSLATE_NOOP("App::Property", "Do not cut internal features on avoided faces.")), - ("App::PropertyDistance", "BoundaryAdjustment", "Selected Geometry Settings", - QtCore.QT_TRANSLATE_NOOP("App::Property", "Positive values push the cutter toward, or beyond, the boundary. Negative values retract the cutter away from the boundary.")), - ("App::PropertyBool", "BoundaryEnforcement", "Selected Geometry Settings", - QtCore.QT_TRANSLATE_NOOP("App::Property", "If true, the cutter will remain inside the boundaries of the model or selected face(s).")), - ("App::PropertyEnumeration", "HandleMultipleFeatures", "Selected Geometry Settings", - QtCore.QT_TRANSLATE_NOOP("App::Property", "Choose how to process multiple Base Geometry features.")), - ("App::PropertyDistance", "InternalFeaturesAdjustment", "Selected Geometry Settings", - QtCore.QT_TRANSLATE_NOOP("App::Property", "Positive values push the cutter toward, or into, the feature. Negative values retract the cutter away from the feature.")), - ("App::PropertyBool", "InternalFeaturesCut", "Selected Geometry Settings", - QtCore.QT_TRANSLATE_NOOP("App::Property", "Ignore internal feature areas within a larger selected face.")), - - ("App::PropertyEnumeration", "Algorithm", "Clearing Options", - QtCore.QT_TRANSLATE_NOOP("App::Property", "Select the algorithm to use: OCL Dropcutter*, or Experimental.")), - ("App::PropertyEnumeration", "BoundBox", "Clearing Options", - QtCore.QT_TRANSLATE_NOOP("App::Property", "Select the overall boundary for the operation. ")), - ("App::PropertyVectorDistance", "CircularCenterCustom", "Clearing Options", - QtCore.QT_TRANSLATE_NOOP("App::Property", "Set the start point for circular cut patterns.")), - ("App::PropertyEnumeration", "CircularCenterAt", "Clearing Options", - QtCore.QT_TRANSLATE_NOOP("App::Property", "Choose location of the center point for starting the circular pattern.")), - ("App::PropertyEnumeration", "ClearLastLayer", "Clearing Options", - QtCore.QT_TRANSLATE_NOOP("App::Property", "Set to clear last layer in a `Multi-pass` operation.")), - ("App::PropertyEnumeration", "CutMode", "Clearing Options", - QtCore.QT_TRANSLATE_NOOP("App::Property", "Set the direction for the cutting tool to engage the material: Climb (ClockWise) or Conventional (CounterClockWise)")), - ("App::PropertyEnumeration", "CutPattern", "Clearing Options", - QtCore.QT_TRANSLATE_NOOP("App::Property", "Set the geometric clearing pattern to use for the operation.")), - ("App::PropertyFloat", "CutPatternAngle", "Clearing Options", - QtCore.QT_TRANSLATE_NOOP("App::Property", "The yaw angle used for certain clearing patterns")), - ("App::PropertyBool", "CutPatternReversed", "Clearing Options", - QtCore.QT_TRANSLATE_NOOP("App::Property", "Reverse the cut order of the stepover paths. For circular cut patterns, begin at the outside and work toward the center.")), - ("App::PropertyDistance", "DepthOffset", "Clearing Options", - QtCore.QT_TRANSLATE_NOOP("App::Property", "Set the Z-axis depth offset from the target surface.")), - ("App::PropertyEnumeration", "LayerMode", "Clearing Options", - QtCore.QT_TRANSLATE_NOOP("App::Property", "Complete the operation in a single pass at depth, or mulitiple passes to final depth.")), - ("App::PropertyEnumeration", "ProfileEdges", "Clearing Options", - QtCore.QT_TRANSLATE_NOOP("App::Property", "Profile the edges of the selection.")), - ("App::PropertyDistance", "SampleInterval", "Clearing Options", - QtCore.QT_TRANSLATE_NOOP("App::Property", "Set the sampling resolution. Smaller values quickly increase processing time.")), - ("App::PropertyPercent", "StepOver", "Clearing Options", - QtCore.QT_TRANSLATE_NOOP("App::Property", "Set the stepover percentage, based on the tool's diameter.")), - - ("App::PropertyBool", "OptimizeLinearPaths", "Optimization", - QtCore.QT_TRANSLATE_NOOP("App::Property", "Enable optimization of linear paths (co-linear points). Removes unnecessary co-linear points from G-Code output.")), - ("App::PropertyBool", "OptimizeStepOverTransitions", "Optimization", - QtCore.QT_TRANSLATE_NOOP("App::Property", "Enable separate optimization of transitions between, and breaks within, each step over path.")), - ("App::PropertyDistance", "GapThreshold", "Optimization", - QtCore.QT_TRANSLATE_NOOP("App::Property", "Collinear and co-radial artifact gaps that are smaller than this threshold are closed in the path.")), - ("App::PropertyString", "GapSizes", "Optimization", - QtCore.QT_TRANSLATE_NOOP("App::Property", "Feedback: three smallest gaps identified in the path geometry.")), - - ("App::PropertyVectorDistance", "StartPoint", "Start Point", - QtCore.QT_TRANSLATE_NOOP("App::Property", "The custom start point for the path of this operation")), - ("App::PropertyBool", "UseStartPoint", "Start Point", - QtCore.QT_TRANSLATE_NOOP("App::Property", "Make True, if specifying a Start Point")) - ] - - missing = list() - for (prtyp, nm, grp, tt) in PROPS: - if not hasattr(obj, nm): - obj.addProperty(prtyp, nm, grp, tt) - missing.append(nm) - - # Set enumeration lists for enumeration properties - if len(missing) > 0: - ENUMS = self._propertyEnumerations() - for n in ENUMS: - if n in missing: - cmdStr = 'obj.{}={}'.format(n, ENUMS[n]) - exec(cmdStr) - - self.addedAllProperties = True - - def _propertyEnumerations(self): - # Enumeration lists for App::PropertyEnumeration properties - return { - 'Algorithm': ['OCL Dropcutter', 'Experimental'], - 'BoundBox': ['BaseBoundBox', 'Stock'], - 'CircularCenterAt': ['CenterOfMass', 'CenterOfBoundBox', 'XminYmin', 'Custom'], - 'ClearLastLayer': ['Off', 'Line', 'Circular', 'CircularZigZag', 'Offset', 'ZigZag'], - 'CutMode': ['Conventional', 'Climb'], - 'CutPattern': ['None', 'Line', 'Circular', 'CircularZigZag', 'Offset', 'ZigZag'], # Additional goals ['Offset', 'Spiral', 'ZigZagOffset', 'Grid', 'Triangle'] - 'HandleMultipleFeatures': ['Collectively', 'Individually'], - 'LayerMode': ['Single-pass', 'Multi-pass'], - 'ProfileEdges': ['None', 'Only', 'First', 'Last'], - } - - def setEditorProperties(self, obj): - # Used to hide inputs in properties list - show = 0 - hide = 2 - cpShow = 0 - expMode = 0 - obj.setEditorMode('BoundaryEnforcement', hide) - obj.setEditorMode('ProfileEdges', hide) - obj.setEditorMode('InternalFeaturesAdjustment', hide) - obj.setEditorMode('InternalFeaturesCut', hide) - obj.setEditorMode('GapSizes', hide) - obj.setEditorMode('GapThreshold', hide) - obj.setEditorMode('AvoidLastX_Faces', hide) - obj.setEditorMode('AvoidLastX_InternalFeatures', hide) - obj.setEditorMode('BoundaryAdjustment', hide) - obj.setEditorMode('HandleMultipleFeatures', hide) - if hasattr(obj, 'EnableRotation'): - obj.setEditorMode('EnableRotation', hide) - if obj.CutPattern == 'None': - show = 2 - hide = 2 - cpShow = 2 - # elif obj.CutPattern in ['Line', 'ZigZag']: - # show = 0 - # hide = 2 - elif obj.CutPattern in ['Circular', 'CircularZigZag']: - show = 2 # hide - hide = 0 # show - # obj.setEditorMode('StepOver', cpShow) - obj.setEditorMode('CutPatternAngle', show) - obj.setEditorMode('CircularCenterAt', hide) - obj.setEditorMode('CircularCenterCustom', hide) - if obj.Algorithm == 'Experimental': - expMode = 2 - obj.setEditorMode('SampleInterval', expMode) - obj.setEditorMode('LinearDeflection', expMode) - obj.setEditorMode('AngularDeflection', expMode) - - def onChanged(self, obj, prop): - if hasattr(self, 'addedAllProperties'): - if self.addedAllProperties is True: - if prop in ['Algorithm', 'CutPattern']: - self.setEditorProperties(obj) - - def opOnDocumentRestored(self, obj): - self.initOpProperties(obj) - - if PathLog.getLevel(PathLog.thisModule()) != 4: - obj.setEditorMode('ShowTempObjects', 2) # hide - else: - obj.setEditorMode('ShowTempObjects', 0) # show - - self.setEditorProperties(obj) - - def opSetDefaultValues(self, obj, job): - '''opSetDefaultValues(obj, job) ... initialize defaults''' - job = PathUtils.findParentJob(obj) - - obj.OptimizeLinearPaths = True - obj.InternalFeaturesCut = True - obj.OptimizeStepOverTransitions = False - obj.BoundaryEnforcement = True - obj.UseStartPoint = False - obj.AvoidLastX_InternalFeatures = True - obj.CutPatternReversed = False - obj.StartPoint.x = 0.0 - obj.StartPoint.y = 0.0 - obj.StartPoint.z = obj.ClearanceHeight.Value - obj.Algorithm = 'OCL Dropcutter' - obj.ProfileEdges = 'None' - obj.LayerMode = 'Single-pass' - obj.CutMode = 'Conventional' - obj.CutPattern = 'None' - obj.HandleMultipleFeatures = 'Collectively' # 'Individually' - obj.CircularCenterAt = 'CenterOfMass' # 'CenterOfBoundBox', 'XminYmin', 'Custom' - obj.GapSizes = 'No gaps identified.' - obj.ClearLastLayer = 'Off' - obj.StepOver = 100 - obj.CutPatternAngle = 0.0 - obj.DepthOffset.Value = 0.0 - obj.SampleInterval.Value = 1.0 - obj.BoundaryAdjustment.Value = 0.0 - obj.InternalFeaturesAdjustment.Value = 0.0 - obj.AvoidLastX_Faces = 0 - obj.CircularCenterCustom.x = 0.0 - obj.CircularCenterCustom.y = 0.0 - obj.CircularCenterCustom.z = 0.0 - obj.GapThreshold.Value = 0.005 - obj.LinearDeflection.Value = 0.0001 - obj.AngularDeflection.Value = 0.25 - # For debugging - obj.ShowTempObjects = False - - # need to overwrite the default depth calculations for facing - d = None - if job: - if job.Stock: - d = PathUtils.guessDepths(job.Stock.Shape, None) - PathLog.debug("job.Stock exists") - else: - PathLog.debug("job.Stock NOT exist") - else: - PathLog.debug("job NOT exist") - - if d is not None: - obj.OpFinalDepth.Value = d.final_depth - obj.OpStartDepth.Value = d.start_depth - else: - obj.OpFinalDepth.Value = -10 - obj.OpStartDepth.Value = 10 - - PathLog.debug('Default OpFinalDepth: {}'.format(obj.OpFinalDepth.Value)) - PathLog.debug('Defualt OpStartDepth: {}'.format(obj.OpStartDepth.Value)) - - def opApplyPropertyLimits(self, obj): - '''opApplyPropertyLimits(obj) ... Apply necessary limits to user input property values before performing main operation.''' - # Limit sample interval - if obj.SampleInterval.Value < 0.001: - obj.SampleInterval.Value = 0.001 - PathLog.error(translate('PathWaterline', 'Sample interval limits are 0.001 to 25.4 millimeters.')) - if obj.SampleInterval.Value > 25.4: - obj.SampleInterval.Value = 25.4 - PathLog.error(translate('PathWaterline', 'Sample interval limits are 0.001 to 25.4 millimeters.')) - - # Limit cut pattern angle - if obj.CutPatternAngle < -360.0: - obj.CutPatternAngle = 0.0 - PathLog.error(translate('PathWaterline', 'Cut pattern angle limits are +-360 degrees.')) - if obj.CutPatternAngle >= 360.0: - obj.CutPatternAngle = 0.0 - PathLog.error(translate('PathWaterline', 'Cut pattern angle limits are +- 360 degrees.')) - - # Limit StepOver to natural number percentage - if obj.StepOver > 100: - obj.StepOver = 100 - if obj.StepOver < 1: - obj.StepOver = 1 - - # Limit AvoidLastX_Faces to zero and positive values - if obj.AvoidLastX_Faces < 0: - obj.AvoidLastX_Faces = 0 - PathLog.error(translate('PathWaterline', 'AvoidLastX_Faces: Only zero or positive values permitted.')) - if obj.AvoidLastX_Faces > 100: - obj.AvoidLastX_Faces = 100 - PathLog.error(translate('PathWaterline', 'AvoidLastX_Faces: Avoid last X faces count limited to 100.')) - - def opExecute(self, obj): - '''opExecute(obj) ... process surface operation''' - PathLog.track() - - self.modelSTLs = list() - self.safeSTLs = list() - self.modelTypes = list() - self.boundBoxes = list() - self.profileShapes = list() - self.collectiveShapes = list() - self.individualShapes = list() - self.avoidShapes = list() - self.geoTlrnc = None - self.tempGroup = None - self.CutClimb = False - self.closedGap = False - self.gaps = [0.1, 0.2, 0.3] - CMDS = list() - modelVisibility = list() - FCAD = FreeCAD.ActiveDocument - - # Set debugging behavior - self.showDebugObjects = False # Set to true if you want a visual DocObjects created for some path construction objects - self.showDebugObjects = obj.ShowTempObjects - deleteTempsFlag = True # Set to False for debugging - if PathLog.getLevel(PathLog.thisModule()) == 4: - deleteTempsFlag = False - else: - self.showDebugObjects = False - - # mark beginning of operation and identify parent Job - PathLog.info('\nBegin Waterline operation...') - startTime = time.time() - - # Identify parent Job - JOB = PathUtils.findParentJob(obj) - if JOB is None: - PathLog.error(translate('PathWaterline', "No JOB")) - return - self.stockZMin = JOB.Stock.Shape.BoundBox.ZMin - - # set cut mode; reverse as needed - if obj.CutMode == 'Climb': - self.CutClimb = True - if obj.CutPatternReversed is True: - if self.CutClimb is True: - self.CutClimb = False - else: - self.CutClimb = True - - # Begin GCode for operation with basic information - # ... and move cutter to clearance height and startpoint - output = '' - if obj.Comment != '': - self.commandlist.append(Path.Command('N ({})'.format(str(obj.Comment)), {})) - self.commandlist.append(Path.Command('N ({})'.format(obj.Label), {})) - self.commandlist.append(Path.Command('N (Tool type: {})'.format(str(obj.ToolController.Tool.ToolType)), {})) - self.commandlist.append(Path.Command('N (Compensated Tool Path. Diameter: {})'.format(str(obj.ToolController.Tool.Diameter)), {})) - self.commandlist.append(Path.Command('N (Sample interval: {})'.format(str(obj.SampleInterval.Value)), {})) - self.commandlist.append(Path.Command('N (Step over %: {})'.format(str(obj.StepOver)), {})) - self.commandlist.append(Path.Command('N ({})'.format(output), {})) - self.commandlist.append(Path.Command('G0', {'Z': obj.ClearanceHeight.Value, 'F': self.vertRapid})) - if obj.UseStartPoint is True: - self.commandlist.append(Path.Command('G0', {'X': obj.StartPoint.x, 'Y': obj.StartPoint.y, 'F': self.horizRapid})) - - # Instantiate additional class operation variables - self.resetOpVariables() - - # Impose property limits - self.opApplyPropertyLimits(obj) - - # Create temporary group for temporary objects, removing existing - # if self.showDebugObjects is True: - tempGroupName = 'tempPathWaterlineGroup' - if FCAD.getObject(tempGroupName): - for to in FCAD.getObject(tempGroupName).Group: - FCAD.removeObject(to.Name) - FCAD.removeObject(tempGroupName) # remove temp directory if already exists - if FCAD.getObject(tempGroupName + '001'): - for to in FCAD.getObject(tempGroupName + '001').Group: - FCAD.removeObject(to.Name) - FCAD.removeObject(tempGroupName + '001') # remove temp directory if already exists - tempGroup = FCAD.addObject('App::DocumentObjectGroup', tempGroupName) - tempGroupName = tempGroup.Name - self.tempGroup = tempGroup - tempGroup.purgeTouched() - # Add temp object to temp group folder with following code: - # ... self.tempGroup.addObject(OBJ) - - # Setup cutter for OCL and cutout value for operation - based on tool controller properties - self.cutter = self.setOclCutter(obj) - self.safeCutter = self.setOclCutter(obj, safe=True) - if self.cutter is False or self.safeCutter is False: - PathLog.error(translate('PathWaterline', "Canceling Waterline operation. Error creating OCL cutter.")) - return - toolDiam = self.cutter.getDiameter() - self.cutOut = (toolDiam * (float(obj.StepOver) / 100.0)) - self.radius = toolDiam / 2.0 - self.gaps = [toolDiam, toolDiam, toolDiam] - - # Get height offset values for later use - self.SafeHeightOffset = JOB.SetupSheet.SafeHeightOffset.Value - self.ClearHeightOffset = JOB.SetupSheet.ClearanceHeightOffset.Value - - # Set deflection values for mesh generation - useDGT = False - try: # try/except is for Path Jobs created before GeometryTolerance - self.geoTlrnc = JOB.GeometryTolerance.Value - if self.geoTlrnc == 0.0: - useDGT = True - except AttributeError as ee: - PathLog.warning('{}\nPlease set Job.GeometryTolerance to an acceptable value. Using PathPreferences.defaultGeometryTolerance().'.format(ee)) - useDGT = True - if useDGT: - import PathScripts.PathPreferences as PathPreferences - self.geoTlrnc = PathPreferences.defaultGeometryTolerance() - - # Calculate default depthparams for operation - self.depthParams = PathUtils.depth_params(obj.ClearanceHeight.Value, obj.SafeHeight.Value, obj.StartDepth.Value, obj.StepDown.Value, 0.0, obj.FinalDepth.Value) - self.midDep = (obj.StartDepth.Value + obj.FinalDepth.Value) / 2.0 - - # make circle for workplane - self.wpc = Part.makeCircle(2.0) - - # Save model visibilities for restoration - if FreeCAD.GuiUp: - for m in range(0, len(JOB.Model.Group)): - mNm = JOB.Model.Group[m].Name - modelVisibility.append(FreeCADGui.ActiveDocument.getObject(mNm).Visibility) - - # Setup STL, model type, and bound box containers for each model in Job - for m in range(0, len(JOB.Model.Group)): - M = JOB.Model.Group[m] - self.modelSTLs.append(False) - self.safeSTLs.append(False) - self.profileShapes.append(False) - # Set bound box - if obj.BoundBox == 'BaseBoundBox': - if M.TypeId.startswith('Mesh'): - self.modelTypes.append('M') # Mesh - self.boundBoxes.append(M.Mesh.BoundBox) - else: - self.modelTypes.append('S') # Solid - self.boundBoxes.append(M.Shape.BoundBox) - elif obj.BoundBox == 'Stock': - self.modelTypes.append('S') # Solid - self.boundBoxes.append(JOB.Stock.Shape.BoundBox) - - # ###### MAIN COMMANDS FOR OPERATION ###### - - # Begin processing obj.Base data and creating GCode - # Process selected faces, if available - pPM = self._preProcessModel(JOB, obj) - if pPM is False: - PathLog.error('Unable to pre-process obj.Base.') - else: - (FACES, VOIDS) = pPM - - # Create OCL.stl model objects - if obj.Algorithm == 'OCL Dropcutter': - self._prepareModelSTLs(JOB, obj) - PathLog.debug('obj.LinearDeflection.Value: {}'.format(obj.LinearDeflection.Value)) - PathLog.debug('obj.AngularDeflection.Value: {}'.format(obj.AngularDeflection.Value)) - - for m in range(0, len(JOB.Model.Group)): - Mdl = JOB.Model.Group[m] - if FACES[m] is False: - PathLog.error('No data for model base: {}'.format(JOB.Model.Group[m].Label)) - else: - if m > 0: - # Raise to clearance between models - CMDS.append(Path.Command('N (Transition to base: {}.)'.format(Mdl.Label))) - CMDS.append(Path.Command('G0', {'Z': obj.ClearanceHeight.Value, 'F': self.vertRapid})) - PathLog.info('Working on Model.Group[{}]: {}'.format(m, Mdl.Label)) - # make stock-model-voidShapes STL model for avoidance detection on transitions - if obj.Algorithm == 'OCL Dropcutter': - self._makeSafeSTL(JOB, obj, m, FACES[m], VOIDS[m]) - # time.sleep(0.2) - # Process model/faces - OCL objects must be ready - CMDS.extend(self._processCutAreas(JOB, obj, m, FACES[m], VOIDS[m])) - - # Save gcode produced - self.commandlist.extend(CMDS) - - # ###### CLOSING COMMANDS FOR OPERATION ###### - - # Delete temporary objects - # Restore model visibilities for restoration - if FreeCAD.GuiUp: - FreeCADGui.ActiveDocument.getObject(tempGroupName).Visibility = False - for m in range(0, len(JOB.Model.Group)): - M = JOB.Model.Group[m] - M.Visibility = modelVisibility[m] - - if deleteTempsFlag is True: - for to in tempGroup.Group: - if hasattr(to, 'Group'): - for go in to.Group: - FCAD.removeObject(go.Name) - FCAD.removeObject(to.Name) - FCAD.removeObject(tempGroupName) - else: - if len(tempGroup.Group) == 0: - FCAD.removeObject(tempGroupName) - else: - tempGroup.purgeTouched() - - # Provide user feedback for gap sizes - gaps = list() - for g in self.gaps: - if g != toolDiam: - gaps.append(g) - if len(gaps) > 0: - obj.GapSizes = '{} mm'.format(gaps) - else: - if self.closedGap is True: - obj.GapSizes = 'Closed gaps < Gap Threshold.' - else: - obj.GapSizes = 'No gaps identified.' - - # clean up class variables - self.resetOpVariables() - self.deleteOpVariables() - - self.modelSTLs = None - self.safeSTLs = None - self.modelTypes = None - self.boundBoxes = None - self.gaps = None - self.closedGap = None - self.SafeHeightOffset = None - self.ClearHeightOffset = None - self.depthParams = None - self.midDep = None - self.wpc = None - del self.modelSTLs - del self.safeSTLs - del self.modelTypes - del self.boundBoxes - del self.gaps - del self.closedGap - del self.SafeHeightOffset - del self.ClearHeightOffset - del self.depthParams - del self.midDep - del self.wpc - - execTime = time.time() - startTime - PathLog.info('Operation time: {} sec.'.format(execTime)) - - return True - - # Methods for constructing the cut area - def _preProcessModel(self, JOB, obj): - PathLog.debug('_preProcessModel()') - - FACES = list() - VOIDS = list() - fShapes = list() - vShapes = list() - preProcEr = translate('PathWaterline', 'Error pre-processing Face') - warnFinDep = translate('PathWaterline', 'Final Depth might need to be lower. Internal features detected in Face') - GRP = JOB.Model.Group - lenGRP = len(GRP) - - # Crete place holders for each base model in Job - for m in range(0, lenGRP): - FACES.append(False) - VOIDS.append(False) - fShapes.append(False) - vShapes.append(False) - - # The user has selected subobjects from the base. Pre-Process each. - if obj.Base and len(obj.Base) > 0: - PathLog.debug(' -obj.Base exists. Pre-processing for selected faces.') - - (FACES, VOIDS) = self._identifyFacesAndVoids(JOB, obj, FACES, VOIDS) - - # Cycle through each base model, processing faces for each - for m in range(0, lenGRP): - base = GRP[m] - (mFS, mVS, mPS) = self._preProcessFacesAndVoids(obj, base, m, FACES, VOIDS) - fShapes[m] = mFS - vShapes[m] = mVS - self.profileShapes[m] = mPS - else: - PathLog.debug(' -No obj.Base data.') - for m in range(0, lenGRP): - self.modelSTLs[m] = True - - # Process each model base, as a whole, as needed - # PathLog.debug(' -Pre-processing all models in Job.') - for m in range(0, lenGRP): - if fShapes[m] is False: - PathLog.debug(' -Pre-processing {} as a whole.'.format(GRP[m].Label)) - if obj.BoundBox == 'BaseBoundBox': - base = GRP[m] - elif obj.BoundBox == 'Stock': - base = JOB.Stock - - pPEB = self._preProcessEntireBase(obj, base, m) - if pPEB is False: - PathLog.error(' -Failed to pre-process base as a whole.') - else: - (fcShp, prflShp) = pPEB - if fcShp is not False: - if fcShp is True: - PathLog.debug(' -fcShp is True.') - fShapes[m] = True - else: - fShapes[m] = [fcShp] - if prflShp is not False: - if fcShp is not False: - PathLog.debug('vShapes[{}]: {}'.format(m, vShapes[m])) - if vShapes[m] is not False: - PathLog.debug(' -Cutting void from base profile shape.') - adjPS = prflShp.cut(vShapes[m][0]) - self.profileShapes[m] = [adjPS] - else: - PathLog.debug(' -vShapes[m] is False.') - self.profileShapes[m] = [prflShp] - else: - PathLog.debug(' -Saving base profile shape.') - self.profileShapes[m] = [prflShp] - PathLog.debug('self.profileShapes[{}]: {}'.format(m, self.profileShapes[m])) - # Efor - - return (fShapes, vShapes) - - def _identifyFacesAndVoids(self, JOB, obj, F, V): - TUPS = list() - GRP = JOB.Model.Group - lenGRP = len(GRP) - - # Separate selected faces into (base, face) tuples and flag model(s) for STL creation - for (bs, SBS) in obj.Base: - for sb in SBS: - # Flag model for STL creation - mdlIdx = None - for m in range(0, lenGRP): - if bs is GRP[m]: - self.modelSTLs[m] = True - mdlIdx = m - break - TUPS.append((mdlIdx, bs, sb)) # (model idx, base, sub) - - # Apply `AvoidXFaces` value - faceCnt = len(TUPS) - add = faceCnt - obj.AvoidLastX_Faces - for bst in range(0, faceCnt): - (m, base, sub) = TUPS[bst] - shape = getattr(base.Shape, sub) - if isinstance(shape, Part.Face): - faceIdx = int(sub[4:]) - 1 - if bst < add: - if F[m] is False: - F[m] = list() - F[m].append((shape, faceIdx)) - else: - if V[m] is False: - V[m] = list() - V[m].append((shape, faceIdx)) - return (F, V) - - def _preProcessFacesAndVoids(self, obj, base, m, FACES, VOIDS): - mFS = False - mVS = False - mPS = False - mIFS = list() - BB = base.Shape.BoundBox - - if FACES[m] is not False: - isHole = False - if obj.HandleMultipleFeatures == 'Collectively': - cont = True - fsL = list() # face shape list - ifL = list() # avoid shape list - outFCS = list() - - # Get collective envelope slice of selected faces - for (fcshp, fcIdx) in FACES[m]: - fNum = fcIdx + 1 - fsL.append(fcshp) - gFW = self._getFaceWires(base, fcshp, fcIdx) - if gFW is False: - PathLog.debug('Failed to get wires from Face{}'.format(fNum)) - elif gFW[0] is False: - PathLog.debug('Cannot process Face{}. Check that it has horizontal surface exposure.'.format(fNum)) - else: - ((otrFace, raised), intWires) = gFW - outFCS.append(otrFace) - if obj.InternalFeaturesCut is False: - if intWires is not False: - for (iFace, rsd) in intWires: - ifL.append(iFace) - - PathLog.debug('Attempting to get cross-section of collective faces.') - if len(outFCS) == 0: - PathLog.error('Cannot process selected faces. Check horizontal surface exposure.'.format(fNum)) - cont = False - else: - cfsL = Part.makeCompound(outFCS) - - # Handle profile edges request - if cont is True and obj.ProfileEdges != 'None': - ofstVal = self._calculateOffsetValue(obj, isHole) - psOfst = self._extractFaceOffset(obj, cfsL, ofstVal) - if psOfst is not False: - mPS = [psOfst] - if obj.ProfileEdges == 'Only': - mFS = True - cont = False - else: - PathLog.error(' -Failed to create profile geometry for selected faces.') - cont = False - - if cont is True: - if self.showDebugObjects is True: - T = FreeCAD.ActiveDocument.addObject('Part::Feature', 'tmpCollectiveShape') - T.Shape = cfsL - T.purgeTouched() - self.tempGroup.addObject(T) - - ofstVal = self._calculateOffsetValue(obj, isHole) - faceOfstShp = self._extractFaceOffset(obj, cfsL, ofstVal) - if faceOfstShp is False: - PathLog.error(' -Failed to create offset face.') - cont = False - - if cont is True: - lenIfL = len(ifL) - if obj.InternalFeaturesCut is False: - if lenIfL == 0: - PathLog.debug(' -No internal features saved.') - else: - if lenIfL == 1: - casL = ifL[0] - else: - casL = Part.makeCompound(ifL) - if self.showDebugObjects is True: - C = FreeCAD.ActiveDocument.addObject('Part::Feature', 'tmpCompoundIntFeat') - C.Shape = casL - C.purgeTouched() - self.tempGroup.addObject(C) - ofstVal = self._calculateOffsetValue(obj, isHole=True) - intOfstShp = self._extractFaceOffset(obj, casL, ofstVal) - mIFS.append(intOfstShp) - # faceOfstShp = faceOfstShp.cut(intOfstShp) - - mFS = [faceOfstShp] - # Eif - - elif obj.HandleMultipleFeatures == 'Individually': - for (fcshp, fcIdx) in FACES[m]: - cont = True - fsL = list() # face shape list - ifL = list() # avoid shape list - fNum = fcIdx + 1 - outerFace = False - - gFW = self._getFaceWires(base, fcshp, fcIdx) - if gFW is False: - PathLog.debug('Failed to get wires from Face{}'.format(fNum)) - cont = False - elif gFW[0] is False: - PathLog.debug('Cannot process Face{}. Check that it has horizontal surface exposure.'.format(fNum)) - cont = False - outerFace = False - else: - ((otrFace, raised), intWires) = gFW - outerFace = otrFace - if obj.InternalFeaturesCut is False: - if intWires is not False: - for (iFace, rsd) in intWires: - ifL.append(iFace) - - if outerFace is not False: - PathLog.debug('Attempting to create offset face of Face{}'.format(fNum)) - - if obj.ProfileEdges != 'None': - ofstVal = self._calculateOffsetValue(obj, isHole) - psOfst = self._extractFaceOffset(obj, outerFace, ofstVal) - if psOfst is not False: - if mPS is False: - mPS = list() - mPS.append(psOfst) - if obj.ProfileEdges == 'Only': - if mFS is False: - mFS = list() - mFS.append(True) - cont = False - else: - PathLog.error(' -Failed to create profile geometry for Face{}.'.format(fNum)) - cont = False - - if cont is True: - ofstVal = self._calculateOffsetValue(obj, isHole) - faceOfstShp = self._extractFaceOffset(obj, slc, ofstVal) - - lenIfl = len(ifL) - if obj.InternalFeaturesCut is False and lenIfl > 0: - if lenIfl == 1: - casL = ifL[0] - else: - casL = Part.makeCompound(ifL) - - ofstVal = self._calculateOffsetValue(obj, isHole=True) - intOfstShp = self._extractFaceOffset(obj, casL, ofstVal) - mIFS.append(intOfstShp) - # faceOfstShp = faceOfstShp.cut(intOfstShp) - - if mFS is False: - mFS = list() - mFS.append(faceOfstShp) - # Eif - # Efor - # Eif - # Eif - - if len(mIFS) > 0: - if mVS is False: - mVS = list() - for ifs in mIFS: - mVS.append(ifs) - - if VOIDS[m] is not False: - PathLog.debug('Processing avoid faces.') - cont = True - isHole = False - outFCS = list() - intFEAT = list() - - for (fcshp, fcIdx) in VOIDS[m]: - fNum = fcIdx + 1 - gFW = self._getFaceWires(base, fcshp, fcIdx) - if gFW is False: - PathLog.debug('Failed to get wires from avoid Face{}'.format(fNum)) - cont = False - else: - ((otrFace, raised), intWires) = gFW - outFCS.append(otrFace) - if obj.AvoidLastX_InternalFeatures is False: - if intWires is not False: - for (iFace, rsd) in intWires: - intFEAT.append(iFace) - - lenOtFcs = len(outFCS) - if lenOtFcs == 0: - cont = False - else: - if lenOtFcs == 1: - avoid = outFCS[0] - else: - avoid = Part.makeCompound(outFCS) - - if self.showDebugObjects is True: - PathLog.debug('*** tmpAvoidArea') - P = FreeCAD.ActiveDocument.addObject('Part::Feature', 'tmpVoidEnvelope') - P.Shape = avoid - # P.recompute() - P.purgeTouched() - self.tempGroup.addObject(P) - - if cont is True: - if self.showDebugObjects is True: - PathLog.debug('*** tmpVoidCompound') - P = FreeCAD.ActiveDocument.addObject('Part::Feature', 'tmpVoidCompound') - P.Shape = avoid - # P.recompute() - P.purgeTouched() - self.tempGroup.addObject(P) - ofstVal = self._calculateOffsetValue(obj, isHole, isVoid=True) - avdOfstShp = self._extractFaceOffset(obj, avoid, ofstVal) - if avdOfstShp is False: - PathLog.error('Failed to create collective offset avoid face.') - cont = False - - if cont is True: - avdShp = avdOfstShp - - if obj.AvoidLastX_InternalFeatures is False and len(intFEAT) > 0: - if len(intFEAT) > 1: - ifc = Part.makeCompound(intFEAT) - else: - ifc = intFEAT[0] - ofstVal = self._calculateOffsetValue(obj, isHole=True) - ifOfstShp = self._extractFaceOffset(obj, ifc, ofstVal) - if ifOfstShp is False: - PathLog.error('Failed to create collective offset avoid internal features.') - else: - avdShp = avdOfstShp.cut(ifOfstShp) - - if mVS is False: - mVS = list() - mVS.append(avdShp) - - - return (mFS, mVS, mPS) - - def _getFaceWires(self, base, fcshp, fcIdx): - outFace = False - INTFCS = list() - fNum = fcIdx + 1 - # preProcEr = translate('PathWaterline', 'Error pre-processing Face') - warnFinDep = translate('PathWaterline', 'Final Depth might need to be lower. Internal features detected in Face') - - PathLog.debug('_getFaceWires() from Face{}'.format(fNum)) - WIRES = self._extractWiresFromFace(base, fcshp) - if WIRES is False: - PathLog.error('Failed to extract wires from Face{}'.format(fNum)) - return False - - # Process remaining internal features, adding to FCS list - lenW = len(WIRES) - for w in range(0, lenW): - (wire, rsd) = WIRES[w] - PathLog.debug('Processing Wire{} in Face{}. isRaised: {}'.format(w + 1, fNum, rsd)) - if wire.isClosed() is False: - PathLog.debug(' -wire is not closed.') - else: - slc = self._flattenWireToFace(wire) - if slc is False: - PathLog.error('FAILED to identify horizontal exposure on Face{}.'.format(fNum)) - else: - if w == 0: - outFace = (slc, rsd) - else: - # add to VOIDS so cutter avoids area. - PathLog.warning(warnFinDep + str(fNum) + '.') - INTFCS.append((slc, rsd)) - if len(INTFCS) == 0: - return (outFace, False) - else: - return (outFace, INTFCS) - - def _preProcessEntireBase(self, obj, base, m): - cont = True - isHole = False - prflShp = False - # Create envelope, extract cross-section and make offset co-planar shape - # baseEnv = PathUtils.getEnvelope(base.Shape, subshape=None, depthparams=self.depthParams) - - try: - baseEnv = PathUtils.getEnvelope(partshape=base.Shape, subshape=None, depthparams=self.depthParams) # Produces .Shape - except Exception as ee: - PathLog.error(str(ee)) - shell = base.Shape.Shells[0] - solid = Part.makeSolid(shell) - try: - baseEnv = PathUtils.getEnvelope(partshape=solid, subshape=None, depthparams=self.depthParams) # Produces .Shape - except Exception as eee: - PathLog.error(str(eee)) - cont = False - # time.sleep(0.2) - - if cont is True: - csFaceShape = self._getShapeSlice(baseEnv) - if csFaceShape is False: - PathLog.debug('_getShapeSlice(baseEnv) failed') - csFaceShape = self._getCrossSection(baseEnv) - if csFaceShape is False: - PathLog.debug('_getCrossSection(baseEnv) failed') - csFaceShape = self._getSliceFromEnvelope(baseEnv) - if csFaceShape is False: - PathLog.error('Failed to slice baseEnv shape.') - cont = False - - if cont is True and obj.ProfileEdges != 'None': - PathLog.debug(' -Attempting profile geometry for model base.') - ofstVal = self._calculateOffsetValue(obj, isHole) - psOfst = self._extractFaceOffset(obj, csFaceShape, ofstVal) - if psOfst is not False: - if obj.ProfileEdges == 'Only': - return (True, psOfst) - prflShp = psOfst - else: - PathLog.error(' -Failed to create profile geometry.') - cont = False - - if cont is True: - ofstVal = self._calculateOffsetValue(obj, isHole) - faceOffsetShape = self._extractFaceOffset(obj, csFaceShape, ofstVal) - if faceOffsetShape is False: - PathLog.error('_extractFaceOffset() failed.') - else: - faceOffsetShape.translate(FreeCAD.Vector(0.0, 0.0, 0.0 - faceOffsetShape.BoundBox.ZMin)) - return (faceOffsetShape, prflShp) - return False - - def _extractWiresFromFace(self, base, fc): - '''_extractWiresFromFace(base, fc) ... - Attempts to return all closed wires within a parent face, including the outer most wire of the parent. - The wires are ordered by area. Each wire is also categorized as a pocket(False) or raised protrusion(True). - ''' - PathLog.debug('_extractWiresFromFace()') - - WIRES = list() - lenWrs = len(fc.Wires) - PathLog.debug(' -Wire count: {}'.format(lenWrs)) - - def index0(tup): - return tup[0] - - # Cycle through wires in face - for w in range(0, lenWrs): - PathLog.debug(' -Analyzing wire_{}'.format(w + 1)) - wire = fc.Wires[w] - checkEdges = False - cont = True - - # Check for closed edges (circles, ellipses, etc...) - for E in wire.Edges: - if E.isClosed() is True: - checkEdges = True - break - - if checkEdges is True: - PathLog.debug(' -checkEdges is True') - for e in range(0, len(wire.Edges)): - edge = wire.Edges[e] - if edge.isClosed() is True and edge.Mass > 0.01: - PathLog.debug(' -Found closed edge') - raised = False - ip = self._isPocket(base, fc, edge) - if ip is False: - raised = True - ebb = edge.BoundBox - eArea = ebb.XLength * ebb.YLength - F = Part.Face(Part.Wire([edge])) - WIRES.append((eArea, F.Wires[0], raised)) - cont = False - - if cont is True: - PathLog.debug(' -cont is True') - # If only one wire and not checkEdges, return first wire - if lenWrs == 1: - return [(wire, False)] - - raised = False - wbb = wire.BoundBox - wArea = wbb.XLength * wbb.YLength - if w > 0: - ip = self._isPocket(base, fc, wire) - if ip is False: - raised = True - WIRES.append((wArea, Part.Wire(wire.Edges), raised)) - - nf = len(WIRES) - if nf > 0: - PathLog.debug(' -number of wires found is {}'.format(nf)) - if nf == 1: - (area, W, raised) = WIRES[0] - return [(W, raised)] - else: - sortedWIRES = sorted(WIRES, key=index0, reverse=True) - return [(W, raised) for (area, W, raised) in sortedWIRES] # outer, then inner by area size - - return False - - def _calculateOffsetValue(self, obj, isHole, isVoid=False): - '''_calculateOffsetValue(obj, isHole, isVoid) ... internal function. - Calculate the offset for the Path.Area() function.''' - JOB = PathUtils.findParentJob(obj) - tolrnc = JOB.GeometryTolerance.Value - - if isVoid is False: - if isHole is True: - offset = -1 * obj.InternalFeaturesAdjustment.Value - offset += self.radius # (self.radius + (tolrnc / 10.0)) - else: - offset = -1 * obj.BoundaryAdjustment.Value - if obj.BoundaryEnforcement is True: - offset += self.radius # (self.radius + (tolrnc / 10.0)) - else: - offset -= self.radius # (self.radius + (tolrnc / 10.0)) - offset = 0.0 - offset - else: - offset = -1 * obj.BoundaryAdjustment.Value - offset += self.radius # (self.radius + (tolrnc / 10.0)) - - return offset - - def _extractFaceOffset(self, obj, fcShape, offset, makeComp=True): - '''_extractFaceOffset(fcShape, offset) ... internal function. - Original _buildPathArea() version copied from PathAreaOp.py module. This version is modified. - Adjustments made based on notes by @sliptonic at this webpage: https://github.com/sliptonic/FreeCAD/wiki/PathArea-notes.''' - PathLog.debug('_extractFaceOffset()') - - if fcShape.BoundBox.ZMin != 0.0: - fcShape.translate(FreeCAD.Vector(0.0, 0.0, 0.0 - fcShape.BoundBox.ZMin)) - - areaParams = {} - areaParams['Offset'] = offset - areaParams['Fill'] = 1 # 1 - areaParams['Coplanar'] = 0 - areaParams['SectionCount'] = 1 # -1 = full(all per depthparams??) sections - areaParams['Reorient'] = True - areaParams['OpenMode'] = 0 - areaParams['MaxArcPoints'] = 400 # 400 - areaParams['Project'] = True - # areaParams['Tolerance'] = 0.001 - - area = Path.Area() # Create instance of Area() class object - # area.setPlane(PathUtils.makeWorkplane(fcShape)) # Set working plane - area.setPlane(PathUtils.makeWorkplane(self.wpc)) # Set working plane to normal at Z=1 - area.add(fcShape) - area.setParams(**areaParams) # set parameters - - # Save parameters for debugging - # obj.AreaParams = str(area.getParams()) - # PathLog.debug("Area with params: {}".format(area.getParams())) - - offsetShape = area.getShape() - wCnt = len(offsetShape.Wires) - if wCnt == 0: - return False - elif wCnt == 1: - ofstFace = Part.Face(offsetShape.Wires[0]) - if not makeComp: - ofstFace = [ofstFace] - else: - W = list() - for wr in offsetShape.Wires: - W.append(Part.Face(wr)) - if makeComp: - ofstFace = Part.makeCompound(W) - else: - ofstFace = W - - return ofstFace # offsetShape - - def _isPocket(self, b, f, w): - '''_isPocket(b, f, w)... - Attempts to determine if the wire(w) in face(f) of base(b) is a pocket or raised protrusion. - Returns True if pocket, False if raised protrusion.''' - e = w.Edges[0] - for fi in range(0, len(b.Shape.Faces)): - face = b.Shape.Faces[fi] - for ei in range(0, len(face.Edges)): - edge = face.Edges[ei] - if e.isSame(edge) is True: - if f is face: - # Alternative: run loop to see if all edges are same - pass # same source face, look for another - else: - if face.CenterOfMass.z < f.CenterOfMass.z: - return True - return False - - def _flattenWireToFace(self, wire): - PathLog.debug('_flattenWireToFace()') - if wire.isClosed() is False: - PathLog.debug(' -wire.isClosed() is False') - return False - - # If wire is planar horizontal, convert to a face and return - if wire.BoundBox.ZLength == 0.0: - slc = Part.Face(wire) - return slc - - # Attempt to create a new wire for manipulation, if not, use original - newWire = Part.Wire(wire.Edges) - if newWire.isClosed() is True: - nWire = newWire - else: - PathLog.debug(' -newWire.isClosed() is False') - nWire = wire - - # Attempt extrusion, and then try a manual slice and then cross-section - ext = self._getExtrudedShape(nWire) - if ext is False: - PathLog.debug('_getExtrudedShape() failed') - else: - slc = self._getShapeSlice(ext) - if slc is not False: - return slc - cs = self._getCrossSection(ext, True) - if cs is not False: - return cs - - # Attempt creating an envelope, and then try a manual slice and then cross-section - env = self._getShapeEnvelope(nWire) - if env is False: - PathLog.debug('_getShapeEnvelope() failed') - else: - slc = self._getShapeSlice(env) - if slc is not False: - return slc - cs = self._getCrossSection(env, True) - if cs is not False: - return cs - - # Attempt creating a projection - slc = self._getProjectedFace(nWire) - if slc is False: - PathLog.debug('_getProjectedFace() failed') - else: - return slc - - return False - - def _getExtrudedShape(self, wire): - PathLog.debug('_getExtrudedShape()') - wBB = wire.BoundBox - extFwd = math.floor(2.0 * wBB.ZLength) + 10.0 - - try: - # slower, but renders collective faces correctly. Method 5 in TESTING - shell = wire.extrude(FreeCAD.Vector(0.0, 0.0, extFwd)) - except Exception as ee: - PathLog.error(' -extrude wire failed: \n{}'.format(ee)) - return False - - SHP = Part.makeSolid(shell) - return SHP - - def _getShapeSlice(self, shape): - PathLog.debug('_getShapeSlice()') - - bb = shape.BoundBox - mid = (bb.ZMin + bb.ZMax) / 2.0 - xmin = bb.XMin - 1.0 - xmax = bb.XMax + 1.0 - ymin = bb.YMin - 1.0 - ymax = bb.YMax + 1.0 - p1 = FreeCAD.Vector(xmin, ymin, mid) - p2 = FreeCAD.Vector(xmax, ymin, mid) - p3 = FreeCAD.Vector(xmax, ymax, mid) - p4 = FreeCAD.Vector(xmin, ymax, mid) - - e1 = Part.makeLine(p1, p2) - e2 = Part.makeLine(p2, p3) - e3 = Part.makeLine(p3, p4) - e4 = Part.makeLine(p4, p1) - face = Part.Face(Part.Wire([e1, e2, e3, e4])) - fArea = face.BoundBox.XLength * face.BoundBox.YLength # face.Wires[0].Area - sArea = shape.BoundBox.XLength * shape.BoundBox.YLength - midArea = (fArea + sArea) / 2.0 - - slcShp = shape.common(face) - slcArea = slcShp.BoundBox.XLength * slcShp.BoundBox.YLength - - if slcArea < midArea: - for W in slcShp.Wires: - if W.isClosed() is False: - PathLog.debug(' -wire.isClosed() is False') - return False - if len(slcShp.Wires) == 1: - wire = slcShp.Wires[0] - slc = Part.Face(wire) - slc.translate(FreeCAD.Vector(0.0, 0.0, 0.0 - slc.BoundBox.ZMin)) - return slc - else: - fL = list() - for W in slcShp.Wires: - slc = Part.Face(W) - slc.translate(FreeCAD.Vector(0.0, 0.0, 0.0 - slc.BoundBox.ZMin)) - fL.append(slc) - comp = Part.makeCompound(fL) - if self.showDebugObjects is True: - PathLog.debug('*** tmpSliceCompound') - P = FreeCAD.ActiveDocument.addObject('Part::Feature', 'tmpSliceCompound') - P.Shape = comp - # P.recompute() - P.purgeTouched() - self.tempGroup.addObject(P) - return comp - - PathLog.debug(' -slcArea !< midArea') - PathLog.debug(' -slcShp.Edges count: {}. Might be a vertically oriented face.'.format(len(slcShp.Edges))) - return False - - def _getProjectedFace(self, wire): - PathLog.debug('_getProjectedFace()') - F = FreeCAD.ActiveDocument.addObject('Part::Feature', 'tmpProjectionWire') - F.Shape = wire - F.purgeTouched() - self.tempGroup.addObject(F) - try: - prj = Draft.makeShape2DView(F, FreeCAD.Vector(0, 0, 1)) - prj.recompute() - prj.purgeTouched() - self.tempGroup.addObject(prj) - except Exception as ee: - PathLog.error(str(ee)) - return False - else: - pWire = Part.Wire(prj.Shape.Edges) - if pWire.isClosed() is False: - # PathLog.debug(' -pWire.isClosed() is False') - return False - slc = Part.Face(pWire) - slc.translate(FreeCAD.Vector(0.0, 0.0, 0.0 - slc.BoundBox.ZMin)) - return slc - return False - - def _getCrossSection(self, shape, withExtrude=False): - PathLog.debug('_getCrossSection()') - wires = list() - bb = shape.BoundBox - mid = (bb.ZMin + bb.ZMax) / 2.0 - - for i in shape.slice(FreeCAD.Vector(0, 0, 1), mid): - wires.append(i) - - if len(wires) > 0: - comp = Part.Compound(wires) # produces correct cross-section wire ! - comp.translate(FreeCAD.Vector(0.0, 0.0, 0.0 - comp.BoundBox.ZMin)) - csWire = comp.Wires[0] - if csWire.isClosed() is False: - PathLog.debug(' -comp.Wires[0] is not closed') - return False - if withExtrude is True: - ext = self._getExtrudedShape(csWire) - CS = self._getShapeSlice(ext) - else: - CS = Part.Face(csWire) - CS.translate(FreeCAD.Vector(0.0, 0.0, 0.0 - CS.BoundBox.ZMin)) - return CS - else: - PathLog.debug(' -No wires from .slice() method') - - return False - - def _getShapeEnvelope(self, shape): - PathLog.debug('_getShapeEnvelope()') - - wBB = shape.BoundBox - extFwd = wBB.ZLength + 10.0 - minz = wBB.ZMin - maxz = wBB.ZMin + extFwd - stpDwn = (maxz - minz) / 4.0 - dep_par = PathUtils.depth_params(maxz + 5.0, maxz + 3.0, maxz, stpDwn, 0.0, minz) - - try: - env = PathUtils.getEnvelope(partshape=shape, depthparams=dep_par) # Produces .Shape - except Exception as ee: - PathLog.error('try: PathUtils.getEnvelope() failed.\n' + str(ee)) - return False - else: - return env - - return False - - def _getSliceFromEnvelope(self, env): - PathLog.debug('_getSliceFromEnvelope()') - eBB = env.BoundBox - extFwd = eBB.ZLength + 10.0 - maxz = eBB.ZMin + extFwd - - maxMax = env.Edges[0].BoundBox.ZMin - emax = math.floor(maxz - 1.0) - E = list() - for e in range(0, len(env.Edges)): - emin = env.Edges[e].BoundBox.ZMin - if emin > emax: - E.append(env.Edges[e]) - tf = Part.Face(Part.Wire(Part.__sortEdges__(E))) - tf.translate(FreeCAD.Vector(0.0, 0.0, 0.0 - tf.BoundBox.ZMin)) - - return tf - - def _prepareModelSTLs(self, JOB, obj): - PathLog.debug('_prepareModelSTLs()') - for m in range(0, len(JOB.Model.Group)): - M = JOB.Model.Group[m] - - # PathLog.debug(f" -self.modelTypes[{m}] == 'M'") - if self.modelTypes[m] == 'M': - #TODO: test if this works - facets = M.Mesh.Facets.Points - else: - facets = Path.getFacets(M.Shape) - - if self.modelSTLs[m] is True: - stl = ocl.STLSurf() - - for tri in facets: - t = ocl.Triangle(ocl.Point(tri[0][0], tri[0][1], tri[0][2] + obj.DepthOffset.Value), - ocl.Point(tri[1][0], tri[1][1], tri[1][2] + obj.DepthOffset.Value), - ocl.Point(tri[2][0], tri[2][1], tri[2][2] + obj.DepthOffset.Value)) - stl.addTriangle(t) - self.modelSTLs[m] = stl - return - - def _makeSafeSTL(self, JOB, obj, mdlIdx, faceShapes, voidShapes): - '''_makeSafeSTL(JOB, obj, mdlIdx, faceShapes, voidShapes)... - Creates and OCL.stl object with combined data with waste stock, - model, and avoided faces. Travel lines can be checked against this - STL object to determine minimum travel height to clear stock and model.''' - PathLog.debug('_makeSafeSTL()') - - fuseShapes = list() - Mdl = JOB.Model.Group[mdlIdx] - FCAD = FreeCAD.ActiveDocument - mBB = Mdl.Shape.BoundBox - sBB = JOB.Stock.Shape.BoundBox - - # add Model shape to safeSTL shape - fuseShapes.append(Mdl.Shape) - - if obj.BoundBox == 'BaseBoundBox': - cont = False - extFwd = (sBB.ZLength) - zmin = mBB.ZMin - zmax = mBB.ZMin + extFwd - stpDwn = (zmax - zmin) / 4.0 - dep_par = PathUtils.depth_params(zmax + 5.0, zmax + 3.0, zmax, stpDwn, 0.0, zmin) - - try: - envBB = PathUtils.getEnvelope(partshape=Mdl.Shape, depthparams=dep_par) # Produces .Shape - cont = True - except Exception as ee: - PathLog.error(str(ee)) - shell = Mdl.Shape.Shells[0] - solid = Part.makeSolid(shell) - try: - envBB = PathUtils.getEnvelope(partshape=solid, depthparams=dep_par) # Produces .Shape - cont = True - except Exception as eee: - PathLog.error(str(eee)) - - if cont is True: - stckWst = JOB.Stock.Shape.cut(envBB) - if obj.BoundaryAdjustment > 0.0: - cmpndFS = Part.makeCompound(faceShapes) - baBB = PathUtils.getEnvelope(partshape=cmpndFS, depthparams=self.depthParams) # Produces .Shape - adjStckWst = stckWst.cut(baBB) - else: - adjStckWst = stckWst - fuseShapes.append(adjStckWst) - else: - PathLog.warning('Path transitions might not avoid the model. Verify paths.') - # time.sleep(0.3) - - else: - # If boundbox is Job.Stock, add hidden pad under stock as base plate - toolDiam = self.cutter.getDiameter() - zMin = JOB.Stock.Shape.BoundBox.ZMin - xMin = JOB.Stock.Shape.BoundBox.XMin - toolDiam - yMin = JOB.Stock.Shape.BoundBox.YMin - toolDiam - bL = JOB.Stock.Shape.BoundBox.XLength + (2 * toolDiam) - bW = JOB.Stock.Shape.BoundBox.YLength + (2 * toolDiam) - bH = 1.0 - crnr = FreeCAD.Vector(xMin, yMin, zMin - 1.0) - B = Part.makeBox(bL, bW, bH, crnr, FreeCAD.Vector(0, 0, 1)) - fuseShapes.append(B) - - if voidShapes is not False: - voidComp = Part.makeCompound(voidShapes) - voidEnv = PathUtils.getEnvelope(partshape=voidComp, depthparams=self.depthParams) # Produces .Shape - fuseShapes.append(voidEnv) - - fused = Part.makeCompound(fuseShapes) - - if self.showDebugObjects is True: - T = FreeCAD.ActiveDocument.addObject('Part::Feature', 'safeSTLShape') - T.Shape = fused - T.purgeTouched() - self.tempGroup.addObject(T) - - facets = Path.getFacets(fused) - - stl = ocl.STLSurf() - for tri in facets: - t = ocl.Triangle(ocl.Point(tri[0][0], tri[0][1], tri[0][2]), - ocl.Point(tri[1][0], tri[1][1], tri[1][2]), - ocl.Point(tri[2][0], tri[2][1], tri[2][2])) - stl.addTriangle(t) - - self.safeSTLs[mdlIdx] = stl - - def _processCutAreas(self, JOB, obj, mdlIdx, FCS, VDS): - '''_processCutAreas(JOB, obj, mdlIdx, FCS, VDS)... - This method applies any avoided faces or regions to the selected faces. - It then calls the correct method.''' - PathLog.debug('_processCutAreas()') - - final = list() - base = JOB.Model.Group[mdlIdx] - - # Process faces Collectively or Individually - if obj.HandleMultipleFeatures == 'Collectively': - if FCS is True: - COMP = False - else: - ADD = Part.makeCompound(FCS) - if VDS is not False: - DEL = Part.makeCompound(VDS) - COMP = ADD.cut(DEL) - else: - COMP = ADD - - final.append(Path.Command('G0', {'Z': obj.SafeHeight.Value, 'F': self.vertRapid})) - if obj.Algorithm == 'OCL Dropcutter': - final.extend(self._oclWaterlineOp(JOB, obj, mdlIdx, COMP)) # independent method set for Waterline - else: - final.extend(self._experimentalWaterlineOp(JOB, obj, mdlIdx, COMP)) # independent method set for Waterline - - elif obj.HandleMultipleFeatures == 'Individually': - for fsi in range(0, len(FCS)): - fShp = FCS[fsi] - # self.deleteOpVariables(all=False) - self.resetOpVariables(all=False) - - if fShp is True: - COMP = False - else: - ADD = Part.makeCompound([fShp]) - if VDS is not False: - DEL = Part.makeCompound(VDS) - COMP = ADD.cut(DEL) - else: - COMP = ADD - - final.append(Path.Command('G0', {'Z': obj.SafeHeight.Value, 'F': self.vertRapid})) - if obj.Algorithm == 'OCL Dropcutter': - final.extend(self._oclWaterlineOp(JOB, obj, mdlIdx, COMP)) # independent method set for Waterline - else: - final.extend(self._experimentalWaterlineOp(JOB, obj, mdlIdx, COMP)) # independent method set for Waterline - COMP = None - # Eif - - return final - - # Methods for creating path geometry - def _planarMakePathGeom(self, obj, faceShp): - '''_planarMakePathGeom(obj, faceShp)... - Creates the line/arc cut pattern geometry and returns the intersection with the received faceShp. - The resulting intersecting line/arc geometries are then converted to lines or arcs for OCL.''' - PathLog.debug('_planarMakePathGeom()') - GeoSet = list() - - # Apply drop cutter extra offset and set the max and min XY area of the operation - xmin = faceShp.BoundBox.XMin - xmax = faceShp.BoundBox.XMax - ymin = faceShp.BoundBox.YMin - ymax = faceShp.BoundBox.YMax - zmin = faceShp.BoundBox.ZMin - zmax = faceShp.BoundBox.ZMax - - # Compute weighted center of mass of all faces combined - fCnt = 0 - totArea = 0.0 - zeroCOM = FreeCAD.Vector(0.0, 0.0, 0.0) - for F in faceShp.Faces: - comF = F.CenterOfMass - areaF = F.Area - totArea += areaF - fCnt += 1 - zeroCOM = zeroCOM.add(FreeCAD.Vector(comF.x, comF.y, 0.0).multiply(areaF)) - if fCnt == 0: - PathLog.error(translate('PathSurface', 'Cannot calculate the Center Of Mass. Using Center of Boundbox.')) - zeroCOM = FreeCAD.Vector((xmin + xmax) / 2.0, (ymin + ymax) / 2.0, 0.0) - else: - avgArea = totArea / fCnt - zeroCOM.multiply(1 / fCnt) - zeroCOM.multiply(1 / avgArea) - COM = FreeCAD.Vector(zeroCOM.x, zeroCOM.y, 0.0) - - # get X, Y, Z spans; Compute center of rotation - deltaX = abs(xmax-xmin) - deltaY = abs(ymax-ymin) - deltaZ = abs(zmax-zmin) - deltaC = math.sqrt(deltaX**2 + deltaY**2) - lineLen = deltaC + (2.0 * self.cutter.getDiameter()) # Line length to span boundbox diag with 2x cutter diameter extra on each end - halfLL = math.ceil(lineLen / 2.0) - cutPasses = math.ceil(lineLen / self.cutOut) + 1 # Number of lines(passes) required to cover lineLen - halfPasses = math.ceil(cutPasses / 2.0) - bbC = faceShp.BoundBox.Center - - # Generate the Draft line/circle sets to be intersected with the cut-face-area - if obj.CutPattern in ['ZigZag', 'Line']: - MaxLC = -1 - centRot = FreeCAD.Vector(0.0, 0.0, 0.0) # Bottom left corner of face/selection/model - cAng = math.atan(deltaX / deltaY) # BoundaryBox angle - - # Determine end points and create top lines - x1 = centRot.x - halfLL - x2 = centRot.x + halfLL - diag = None - if obj.CutPatternAngle == 0 or obj.CutPatternAngle == 180: - MaxLC = math.floor(deltaY / self.cutOut) - diag = deltaY - elif obj.CutPatternAngle == 90 or obj.CutPatternAngle == 270: - MaxLC = math.floor(deltaX / self.cutOut) - diag = deltaX - else: - perpDist = math.cos(cAng - math.radians(obj.CutPatternAngle)) * deltaC - MaxLC = math.floor(perpDist / self.cutOut) - diag = perpDist - y1 = centRot.y + diag - # y2 = y1 - - p1 = FreeCAD.Vector(x1, y1, 0.0) - p2 = FreeCAD.Vector(x2, y1, 0.0) - topLineTuple = (p1, p2) - ny1 = centRot.y - diag - n1 = FreeCAD.Vector(x1, ny1, 0.0) - n2 = FreeCAD.Vector(x2, ny1, 0.0) - negTopLineTuple = (n1, n2) - - # Create end points for set of lines to intersect with cross-section face - pntTuples = list() - for lc in range((-1 * (halfPasses - 1)), halfPasses + 1): - # if lc == (cutPasses - MaxLC - 1): - # pntTuples.append(negTopLineTuple) - # if lc == (MaxLC + 1): - # pntTuples.append(topLineTuple) - x1 = centRot.x - halfLL - x2 = centRot.x + halfLL - y1 = centRot.y + (lc * self.cutOut) - # y2 = y1 - p1 = FreeCAD.Vector(x1, y1, 0.0) - p2 = FreeCAD.Vector(x2, y1, 0.0) - pntTuples.append( (p1, p2) ) - - # Convert end points to lines - for (p1, p2) in pntTuples: - line = Part.makeLine(p1, p2) - GeoSet.append(line) - elif obj.CutPattern in ['Circular', 'CircularZigZag']: - zTgt = faceShp.BoundBox.ZMin - axisRot = FreeCAD.Vector(0.0, 0.0, 1.0) - cntr = FreeCAD.Placement() - cntr.Rotation = FreeCAD.Rotation(axisRot, 0.0) - - if obj.CircularCenterAt == 'CenterOfMass': - cntr.Base = FreeCAD.Vector(COM.x, COM.y, zTgt) # COM # Use center of Mass - elif obj.CircularCenterAt == 'CenterOfBoundBox': - cent = faceShp.BoundBox.Center - cntr.Base = FreeCAD.Vector(cent.x, cent.y, zTgt) - elif obj.CircularCenterAt == 'XminYmin': - cntr.Base = FreeCAD.Vector(faceShp.BoundBox.XMin, faceShp.BoundBox.YMin, zTgt) - elif obj.CircularCenterAt == 'Custom': - newCent = FreeCAD.Vector(obj.CircularCenterCustom.x, obj.CircularCenterCustom.y, zTgt) - cntr.Base = newCent - - # recalculate cutPasses value, if need be - radialPasses = halfPasses - if obj.CircularCenterAt != 'CenterOfBoundBox': - # make 4 corners of boundbox in XY plane, find which is greatest distance to new circular center - EBB = faceShp.BoundBox - CORNERS = [ - FreeCAD.Vector(EBB.XMin, EBB.YMin, 0.0), - FreeCAD.Vector(EBB.XMin, EBB.YMax, 0.0), - FreeCAD.Vector(EBB.XMax, EBB.YMax, 0.0), - FreeCAD.Vector(EBB.XMax, EBB.YMin, 0.0), - ] - dMax = 0.0 - for c in range(0, 4): - dist = CORNERS[c].sub(cntr.Base).Length - if dist > dMax: - dMax = dist - lineLen = dMax + (2.0 * self.cutter.getDiameter()) # Line length to span boundbox diag with 2x cutter diameter extra on each end - radialPasses = math.ceil(lineLen / self.cutOut) + 1 # Number of lines(passes) required to cover lineLen - - # Update COM point and current CircularCenter - if obj.CircularCenterAt != 'Custom': - obj.CircularCenterCustom = cntr.Base - - minRad = self.cutter.getDiameter() * 0.45 - siX3 = 3 * obj.SampleInterval.Value - minRadSI = (siX3 / 2.0) / math.pi - if minRad < minRadSI: - minRad = minRadSI - - # Make small center circle to start pattern - if obj.StepOver > 50: - circle = Part.makeCircle(minRad, cntr.Base) - GeoSet.append(circle) - - for lc in range(1, radialPasses + 1): - rad = (lc * self.cutOut) - if rad >= minRad: - circle = Part.makeCircle(rad, cntr.Base) - GeoSet.append(circle) - # Efor - COM = cntr.Base - # Eif - - if obj.CutPatternReversed is True: - GeoSet.reverse() - - if faceShp.BoundBox.ZMin != 0.0: - faceShp.translate(FreeCAD.Vector(0.0, 0.0, 0.0 - faceShp.BoundBox.ZMin)) - - # Create compound object to bind all lines in Lineset - geomShape = Part.makeCompound(GeoSet) - - # Position and rotate the Line and ZigZag geometry - if obj.CutPattern in ['Line', 'ZigZag']: - if obj.CutPatternAngle != 0.0: - geomShape.Placement.Rotation = FreeCAD.Rotation(FreeCAD.Vector(0, 0, 1), obj.CutPatternAngle) - geomShape.Placement.Base = FreeCAD.Vector(bbC.x, bbC.y, 0.0 - geomShape.BoundBox.ZMin) - - if self.showDebugObjects is True: - F = FreeCAD.ActiveDocument.addObject('Part::Feature','tmpGeometrySet') - F.Shape = geomShape - F.purgeTouched() - self.tempGroup.addObject(F) - - # Identify intersection of cross-section face and lineset - cmnShape = faceShp.common(geomShape) - - if self.showDebugObjects is True: - F = FreeCAD.ActiveDocument.addObject('Part::Feature','tmpPathGeometry') - F.Shape = cmnShape - F.purgeTouched() - self.tempGroup.addObject(F) - - self.tmpCOM = FreeCAD.Vector(COM.x, COM.y, faceShp.BoundBox.ZMin) - return cmnShape - - def _pathGeomToLinesPointSet(self, obj, compGeoShp): - '''_pathGeomToLinesPointSet(obj, compGeoShp)... - Convert a compound set of sequential line segments to directionally-oriented collinear groupings.''' - PathLog.debug('_pathGeomToLinesPointSet()') - # Extract intersection line segments for return value as list() - LINES = list() - inLine = list() - chkGap = False - lnCnt = 0 - ec = len(compGeoShp.Edges) - cutClimb = self.CutClimb - toolDiam = 2.0 * self.radius - cpa = obj.CutPatternAngle - - edg0 = compGeoShp.Edges[0] - p1 = (edg0.Vertexes[0].X, edg0.Vertexes[0].Y) - p2 = (edg0.Vertexes[1].X, edg0.Vertexes[1].Y) - if cutClimb is True: - tup = (p2, p1) - lst = FreeCAD.Vector(p1[0], p1[1], 0.0) - else: - tup = (p1, p2) - lst = FreeCAD.Vector(p2[0], p2[1], 0.0) - inLine.append(tup) - sp = FreeCAD.Vector(p1[0], p1[1], 0.0) # start point - - for ei in range(1, ec): - chkGap = False - edg = compGeoShp.Edges[ei] # Get edge for vertexes - v1 = (edg.Vertexes[0].X, edg.Vertexes[0].Y) # vertex 0 - v2 = (edg.Vertexes[1].X, edg.Vertexes[1].Y) # vertex 1 - - ep = FreeCAD.Vector(v2[0], v2[1], 0.0) # end point - cp = FreeCAD.Vector(v1[0], v1[1], 0.0) # check point (first / middle point) - iC = sp.isOnLineSegment(ep, cp) - if iC is True: - inLine.append('BRK') - chkGap = True - else: - if cutClimb is True: - inLine.reverse() - LINES.append(inLine) # Save inLine segments - lnCnt += 1 - inLine = list() # reset collinear container - if cutClimb is True: - sp = cp # FreeCAD.Vector(v1[0], v1[1], 0.0) - else: - sp = ep - - if cutClimb is True: - tup = (v2, v1) - if chkGap is True: - gap = abs(toolDiam - lst.sub(ep).Length) - lst = cp - else: - tup = (v1, v2) - if chkGap is True: - gap = abs(toolDiam - lst.sub(cp).Length) - lst = ep - - if chkGap is True: - if gap < obj.GapThreshold.Value: - b = inLine.pop() # pop off 'BRK' marker - (vA, vB) = inLine.pop() # pop off previous line segment for combining with current - tup = (vA, tup[1]) - self.closedGap = True - else: - # PathLog.debug('---- Gap: {} mm'.format(gap)) - gap = round(gap, 6) - if gap < self.gaps[0]: - self.gaps.insert(0, gap) - self.gaps.pop() - inLine.append(tup) - # Efor - lnCnt += 1 - if cutClimb is True: - inLine.reverse() - LINES.append(inLine) # Save inLine segments - - # Handle last inLine set, reversing it. - if obj.CutPatternReversed is True: - if cpa != 0.0 and cpa % 90.0 == 0.0: - F = LINES.pop(0) - rev = list() - for iL in F: - if iL == 'BRK': - rev.append(iL) - else: - (p1, p2) = iL - rev.append((p2, p1)) - rev.reverse() - LINES.insert(0, rev) - - isEven = lnCnt % 2 - if isEven == 0: - PathLog.debug('Line count is ODD.') - else: - PathLog.debug('Line count is even.') - - return LINES - - def _pathGeomToZigzagPointSet(self, obj, compGeoShp): - '''_pathGeomToZigzagPointSet(obj, compGeoShp)... - Convert a compound set of sequential line segments to directionally-oriented collinear groupings - with a ZigZag directional indicator included for each collinear group.''' - PathLog.debug('_pathGeomToZigzagPointSet()') - # Extract intersection line segments for return value as list() - LINES = list() - inLine = list() - lnCnt = 0 - chkGap = False - ec = len(compGeoShp.Edges) - toolDiam = 2.0 * self.radius - - if self.CutClimb is True: - dirFlg = -1 - else: - dirFlg = 1 - - edg0 = compGeoShp.Edges[0] - p1 = (edg0.Vertexes[0].X, edg0.Vertexes[0].Y) - p2 = (edg0.Vertexes[1].X, edg0.Vertexes[1].Y) - if dirFlg == 1: - tup = (p1, p2) - lst = FreeCAD.Vector(p2[0], p2[1], 0.0) - sp = FreeCAD.Vector(p1[0], p1[1], 0.0) # start point - else: - tup = (p2, p1) - lst = FreeCAD.Vector(p1[0], p1[1], 0.0) - sp = FreeCAD.Vector(p2[0], p2[1], 0.0) # start point - inLine.append(tup) - otr = lst - - for ei in range(1, ec): - edg = compGeoShp.Edges[ei] - v1 = (edg.Vertexes[0].X, edg.Vertexes[0].Y) - v2 = (edg.Vertexes[1].X, edg.Vertexes[1].Y) - - cp = FreeCAD.Vector(v1[0], v1[1], 0.0) # check point (start point of segment) - ep = FreeCAD.Vector(v2[0], v2[1], 0.0) # end point - iC = sp.isOnLineSegment(ep, cp) - if iC is True: - inLine.append('BRK') - chkGap = True - gap = abs(toolDiam - lst.sub(cp).Length) - else: - chkGap = False - if dirFlg == -1: - inLine.reverse() - LINES.append((dirFlg, inLine)) - lnCnt += 1 - dirFlg = -1 * dirFlg # Change zig to zag - inLine = list() # reset collinear container - sp = cp # FreeCAD.Vector(v1[0], v1[1], 0.0) - otr = ep - - lst = ep - if dirFlg == 1: - tup = (v1, v2) - else: - tup = (v2, v1) - - if chkGap is True: - if gap < obj.GapThreshold.Value: - b = inLine.pop() # pop off 'BRK' marker - (vA, vB) = inLine.pop() # pop off previous line segment for combining with current - if dirFlg == 1: - tup = (vA, tup[1]) - else: - #tup = (vA, tup[1]) - #tup = (tup[1], vA) - tup = (tup[0], vB) - self.closedGap = True - else: - gap = round(gap, 6) - if gap < self.gaps[0]: - self.gaps.insert(0, gap) - self.gaps.pop() - inLine.append(tup) - # Efor - lnCnt += 1 - - # Fix directional issue with LAST line when line count is even - isEven = lnCnt % 2 - if isEven == 0: # Changed to != with 90 degree CutPatternAngle - PathLog.debug('Line count is even.') - else: - PathLog.debug('Line count is ODD.') - dirFlg = -1 * dirFlg - if obj.CutPatternReversed is False: - if self.CutClimb is True: - dirFlg = -1 * dirFlg - - if obj.CutPatternReversed is True: - dirFlg = -1 * dirFlg - - # Handle last inLine list - if dirFlg == 1: - rev = list() - for iL in inLine: - if iL == 'BRK': - rev.append(iL) - else: - (p1, p2) = iL - rev.append((p2, p1)) - - if obj.CutPatternReversed is False: - rev.reverse() - else: - rev2 = list() - for iL in rev: - if iL == 'BRK': - rev2.append(iL) - else: - (p1, p2) = iL - rev2.append((p2, p1)) - rev2.reverse() - rev = rev2 - - LINES.append((dirFlg, rev)) - else: - LINES.append((dirFlg, inLine)) - - return LINES - - def _pathGeomToArcPointSet(self, obj, compGeoShp): - '''_pathGeomToArcPointSet(obj, compGeoShp)... - Convert a compound set of arcs/circles to a set of directionally-oriented arc end points - and the corresponding center point.''' - # Extract intersection line segments for return value as list() - PathLog.debug('_pathGeomToArcPointSet()') - ARCS = list() - stpOvrEI = list() - segEI = list() - isSame = False - sameRad = None - COM = self.tmpCOM - toolDiam = 2.0 * self.radius - ec = len(compGeoShp.Edges) - - def gapDist(sp, ep): - X = (ep[0] - sp[0])**2 - Y = (ep[1] - sp[1])**2 - Z = (ep[2] - sp[2])**2 - # return math.sqrt(X + Y + Z) - return math.sqrt(X + Y) # the 'z' value is zero in both points - - # Separate arc data into Loops and Arcs - for ei in range(0, ec): - edg = compGeoShp.Edges[ei] - if edg.Closed is True: - stpOvrEI.append(('L', ei, False)) - else: - if isSame is False: - segEI.append(ei) - isSame = True - pnt = FreeCAD.Vector(edg.Vertexes[0].X, edg.Vertexes[0].Y, 0.0) - sameRad = pnt.sub(COM).Length - else: - # Check if arc is co-radial to current SEGS - pnt = FreeCAD.Vector(edg.Vertexes[0].X, edg.Vertexes[0].Y, 0.0) - if abs(sameRad - pnt.sub(COM).Length) > 0.00001: - isSame = False - - if isSame is True: - segEI.append(ei) - else: - # Move co-radial arc segments - stpOvrEI.append(['A', segEI, False]) - # Start new list of arc segments - segEI = [ei] - isSame = True - pnt = FreeCAD.Vector(edg.Vertexes[0].X, edg.Vertexes[0].Y, 0.0) - sameRad = pnt.sub(COM).Length - # Process trailing `segEI` data, if available - if isSame is True: - stpOvrEI.append(['A', segEI, False]) - - # Identify adjacent arcs with y=0 start/end points that connect - for so in range(0, len(stpOvrEI)): - SO = stpOvrEI[so] - if SO[0] == 'A': - startOnAxis = list() - endOnAxis = list() - EI = SO[1] # list of corresponding compGeoShp.Edges indexes - - # Identify startOnAxis and endOnAxis arcs - for i in range(0, len(EI)): - ei = EI[i] # edge index - E = compGeoShp.Edges[ei] # edge object - if abs(COM.y - E.Vertexes[0].Y) < 0.00001: - startOnAxis.append((i, ei, E.Vertexes[0])) - elif abs(COM.y - E.Vertexes[1].Y) < 0.00001: - endOnAxis.append((i, ei, E.Vertexes[1])) - - # Look for connections between startOnAxis and endOnAxis arcs. Consolidate data when connected - lenSOA = len(startOnAxis) - lenEOA = len(endOnAxis) - if lenSOA > 0 and lenEOA > 0: - delIdxs = list() - lstFindIdx = 0 - for soa in range(0, lenSOA): - (iS, eiS, vS) = startOnAxis[soa] - for eoa in range(0, len(endOnAxis)): - (iE, eiE, vE) = endOnAxis[eoa] - dist = vE.X - vS.X - if abs(dist) < 0.00001: # They connect on axis at same radius - SO[2] = (eiE, eiS) - break - elif dist > 0: - break # stop searching - # Eif - # Eif - # Efor - - # Construct arc data tuples for OCL - dirFlg = 1 - # cutPat = obj.CutPattern - if self.CutClimb is False: # True yields Climb when set to Conventional - dirFlg = -1 - - # Cycle through stepOver data - for so in range(0, len(stpOvrEI)): - SO = stpOvrEI[so] - if SO[0] == 'L': # L = Loop/Ring/Circle - # PathLog.debug("SO[0] == 'Loop'") - lei = SO[1] # loop Edges index - v1 = compGeoShp.Edges[lei].Vertexes[0] - - # space = obj.SampleInterval.Value / 2.0 - space = 0.0000001 - - # p1 = FreeCAD.Vector(v1.X, v1.Y, v1.Z) - p1 = FreeCAD.Vector(v1.X, v1.Y, 0.0) - rad = p1.sub(COM).Length - spcRadRatio = space/rad - if spcRadRatio < 1.0: - tolrncAng = math.asin(spcRadRatio) - else: - tolrncAng = 0.9999998 * math.pi - EX = COM.x + (rad * math.cos(tolrncAng)) - EY = v1.Y - space # rad * math.sin(tolrncAng) - - sp = (v1.X, v1.Y, 0.0) - ep = (EX, EY, 0.0) - cp = (COM.x, COM.y, 0.0) - if dirFlg == 1: - arc = (sp, ep, cp) - else: - arc = (ep, sp, cp) # OCL.Arc(firstPnt, lastPnt, centerPnt, dir=True(CCW direction)) - ARCS.append(('L', dirFlg, [arc])) - else: # SO[0] == 'A' A = Arc - # PathLog.debug("SO[0] == 'Arc'") - PRTS = list() - EI = SO[1] # list of corresponding Edges indexes - CONN = SO[2] # list of corresponding connected edges tuples (iE, iS) - chkGap = False - lst = None - - if CONN is not False: - (iE, iS) = CONN - v1 = compGeoShp.Edges[iE].Vertexes[0] - v2 = compGeoShp.Edges[iS].Vertexes[1] - sp = (v1.X, v1.Y, 0.0) - ep = (v2.X, v2.Y, 0.0) - cp = (COM.x, COM.y, 0.0) - if dirFlg == 1: - arc = (sp, ep, cp) - lst = ep - else: - arc = (ep, sp, cp) # OCL.Arc(firstPnt, lastPnt, centerPnt, dir=True(CCW direction)) - lst = sp - PRTS.append(arc) - # Pop connected edge index values from arc segments index list - iEi = EI.index(iE) - iSi = EI.index(iS) - if iEi > iSi: - EI.pop(iEi) - EI.pop(iSi) - else: - EI.pop(iSi) - EI.pop(iEi) - if len(EI) > 0: - PRTS.append('BRK') - chkGap = True - cnt = 0 - for ei in EI: - if cnt > 0: - PRTS.append('BRK') - chkGap = True - v1 = compGeoShp.Edges[ei].Vertexes[0] - v2 = compGeoShp.Edges[ei].Vertexes[1] - sp = (v1.X, v1.Y, 0.0) - ep = (v2.X, v2.Y, 0.0) - cp = (COM.x, COM.y, 0.0) - if dirFlg == 1: - arc = (sp, ep, cp) - if chkGap is True: - gap = abs(toolDiam - gapDist(lst, sp)) # abs(toolDiam - lst.sub(sp).Length) - lst = ep - else: - arc = (ep, sp, cp) # OCL.Arc(firstPnt, lastPnt, centerPnt, dir=True(CCW direction)) - if chkGap is True: - gap = abs(toolDiam - gapDist(lst, ep)) # abs(toolDiam - lst.sub(ep).Length) - lst = sp - if chkGap is True: - if gap < obj.GapThreshold.Value: - b = PRTS.pop() # pop off 'BRK' marker - (vA, vB, vC) = PRTS.pop() # pop off previous arc segment for combining with current - arc = (vA, arc[1], vC) - self.closedGap = True - else: - # PathLog.debug('---- Gap: {} mm'.format(gap)) - gap = round(gap, 6) - if gap < self.gaps[0]: - self.gaps.insert(0, gap) - self.gaps.pop() - PRTS.append(arc) - cnt += 1 - - if dirFlg == -1: - PRTS.reverse() - - ARCS.append(('A', dirFlg, PRTS)) - # Eif - if obj.CutPattern == 'CircularZigZag': - dirFlg = -1 * dirFlg - # Efor - - return ARCS - - def _getExperimentalWaterlinePaths(self, obj, PNTSET, csHght): - '''_getExperimentalWaterlinePaths(obj, PNTSET, csHght)... - Switching function for calling the appropriate path-geometry to OCL points conversion function - for the various cut patterns.''' - PathLog.debug('_getExperimentalWaterlinePaths()') - SCANS = list() - - if obj.CutPattern == 'Line': - stpOvr = list() - for D in PNTSET: - for SEG in D: - if SEG == 'BRK': - stpOvr.append(SEG) - else: - # D format is ((p1, p2), (p3, p4)) - (A, B) = SEG - P1 = FreeCAD.Vector(A[0], A[1], csHght) - P2 = FreeCAD.Vector(B[0], B[1], csHght) - stpOvr.append((P1, P2)) - SCANS.append(stpOvr) - stpOvr = list() - elif obj.CutPattern == 'ZigZag': - stpOvr = list() - for (dirFlg, LNS) in PNTSET: - for SEG in LNS: - if SEG == 'BRK': - stpOvr.append(SEG) - else: - # D format is ((p1, p2), (p3, p4)) - (A, B) = SEG - P1 = FreeCAD.Vector(A[0], A[1], csHght) - P2 = FreeCAD.Vector(B[0], B[1], csHght) - stpOvr.append((P1, P2)) - SCANS.append(stpOvr) - stpOvr = list() - elif obj.CutPattern in ['Circular', 'CircularZigZag']: - # PNTSET is list, by stepover. - # Each stepover is a list containing arc/loop descriptions, (sp, ep, cp) - for so in range(0, len(PNTSET)): - stpOvr = list() - erFlg = False - (aTyp, dirFlg, ARCS) = PNTSET[so] - - if dirFlg == 1: # 1 - cMode = True # Climb mode - else: - cMode = False - - for a in range(0, len(ARCS)): - Arc = ARCS[a] - if Arc == 'BRK': - stpOvr.append('BRK') - else: - (sp, ep, cp) = Arc - S = FreeCAD.Vector(sp[0], sp[1], csHght) - E = FreeCAD.Vector(ep[0], ep[1], csHght) - C = FreeCAD.Vector(cp[0], cp[1], csHght) - scan = (S, E, C, cMode) - if scan is False: - erFlg = True - else: - ##if aTyp == 'L': - ## stpOvr.append(FreeCAD.Vector(scan[0][0].x, scan[0][0].y, scan[0][0].z)) - stpOvr.append(scan) - if erFlg is False: - SCANS.append(stpOvr) - - return SCANS - - # Main planar scan functions - def _stepTransitionCmds(self, obj, lstPnt, first, minSTH, tolrnc): - cmds = list() - rtpd = False - horizGC = 'G0' - hSpeed = self.horizRapid - height = obj.SafeHeight.Value - - if obj.CutPattern in ['Line', 'Circular']: - if obj.OptimizeStepOverTransitions is True: - height = minSTH + 2.0 - # if obj.LayerMode == 'Multi-pass': - # rtpd = minSTH - elif obj.CutPattern in ['ZigZag', 'CircularZigZag']: - if obj.OptimizeStepOverTransitions is True: - zChng = first.z - lstPnt.z - # PathLog.debug('first.z: {}'.format(first.z)) - # PathLog.debug('lstPnt.z: {}'.format(lstPnt.z)) - # PathLog.debug('zChng: {}'.format(zChng)) - # PathLog.debug('minSTH: {}'.format(minSTH)) - if abs(zChng) < tolrnc: # transitions to same Z height - # PathLog.debug('abs(zChng) < tolrnc') - if (minSTH - first.z) > tolrnc: - # PathLog.debug('(minSTH - first.z) > tolrnc') - height = minSTH + 2.0 - else: - # PathLog.debug('ELSE (minSTH - first.z) > tolrnc') - horizGC = 'G1' - height = first.z - elif (minSTH + (2.0 * tolrnc)) >= max(first.z, lstPnt.z): - height = False # allow end of Zig to cut to beginning of Zag - - - # Create raise, shift, and optional lower commands - if height is not False: - cmds.append(Path.Command('G0', {'Z': height, 'F': self.vertRapid})) - cmds.append(Path.Command(horizGC, {'X': first.x, 'Y': first.y, 'F': hSpeed})) - if rtpd is not False: # ReturnToPreviousDepth - cmds.append(Path.Command('G0', {'Z': rtpd, 'F': self.vertRapid})) - - return cmds - - def _breakCmds(self, obj, lstPnt, first, minSTH, tolrnc): - cmds = list() - rtpd = False - horizGC = 'G0' - hSpeed = self.horizRapid - height = obj.SafeHeight.Value - - if obj.CutPattern in ['Line', 'Circular']: - if obj.OptimizeStepOverTransitions is True: - height = minSTH + 2.0 - elif obj.CutPattern in ['ZigZag', 'CircularZigZag']: - if obj.OptimizeStepOverTransitions is True: - zChng = first.z - lstPnt.z - if abs(zChng) < tolrnc: # transitions to same Z height - if (minSTH - first.z) > tolrnc: - height = minSTH + 2.0 - else: - height = first.z + 2.0 # first.z - - cmds.append(Path.Command('G0', {'Z': height, 'F': self.vertRapid})) - cmds.append(Path.Command(horizGC, {'X': first.x, 'Y': first.y, 'F': hSpeed})) - if rtpd is not False: # ReturnToPreviousDepth - cmds.append(Path.Command('G0', {'Z': rtpd, 'F': self.vertRapid})) - - return cmds - - def _planarGetPDC(self, stl, finalDep, SampleInterval, useSafeCutter=False): - pdc = ocl.PathDropCutter() # create a pdc [PathDropCutter] object - pdc.setSTL(stl) # add stl model - if useSafeCutter is True: - pdc.setCutter(self.safeCutter) # add safeCutter - else: - pdc.setCutter(self.cutter) # add cutter - pdc.setZ(finalDep) # set minimumZ (final / target depth value) - pdc.setSampling(SampleInterval) # set sampling size - return pdc - - # Main waterline functions - def _oclWaterlineOp(self, JOB, obj, mdlIdx, subShp=None): - '''_oclWaterlineOp(obj, base) ... Main waterline function to perform waterline extraction from model.''' - commands = [] - - t_begin = time.time() - # JOB = PathUtils.findParentJob(obj) - base = JOB.Model.Group[mdlIdx] - bb = self.boundBoxes[mdlIdx] - stl = self.modelSTLs[mdlIdx] - - # Prepare global holdpoint and layerEndPnt containers - if self.holdPoint is None: - self.holdPoint = ocl.Point(float("inf"), float("inf"), float("inf")) - if self.layerEndPnt is None: - self.layerEndPnt = ocl.Point(float("inf"), float("inf"), float("inf")) - - # Set extra offset to diameter of cutter to allow cutter to move around perimeter of model - toolDiam = self.cutter.getDiameter() - cdeoX = 0.6 * toolDiam - cdeoY = 0.6 * toolDiam - - if subShp is None: - # Get correct boundbox - if obj.BoundBox == 'Stock': - BS = JOB.Stock - bb = BS.Shape.BoundBox - elif obj.BoundBox == 'BaseBoundBox': - BS = base - bb = base.Shape.BoundBox - - env = PathUtils.getEnvelope(partshape=BS.Shape, depthparams=self.depthParams) # Produces .Shape - - xmin = bb.XMin - xmax = bb.XMax - ymin = bb.YMin - ymax = bb.YMax - zmin = bb.ZMin - zmax = bb.ZMax - else: - xmin = subShp.BoundBox.XMin - xmax = subShp.BoundBox.XMax - ymin = subShp.BoundBox.YMin - ymax = subShp.BoundBox.YMax - zmin = subShp.BoundBox.ZMin - zmax = subShp.BoundBox.ZMax - - smplInt = obj.SampleInterval.Value - minSampInt = 0.001 # value is mm - if smplInt < minSampInt: - smplInt = minSampInt - - # Determine bounding box length for the OCL scan - bbLength = math.fabs(ymax - ymin) - numScanLines = int(math.ceil(bbLength / smplInt) + 1) # Number of lines - - # Compute number and size of stepdowns, and final depth - if obj.LayerMode == 'Single-pass': - depthparams = [obj.FinalDepth.Value] - else: - depthparams = [dp for dp in self.depthParams] - lenDP = len(depthparams) - - # Prepare PathDropCutter objects with STL data - safePDC = self._planarGetPDC(self.safeSTLs[mdlIdx], - depthparams[lenDP - 1], obj.SampleInterval.Value, useSafeCutter=False) - - # Scan the piece to depth at smplInt - oclScan = [] - oclScan = self._waterlineDropCutScan(stl, smplInt, xmin, xmax, ymin, depthparams[lenDP - 1], numScanLines) - # oclScan = SCANS - lenOS = len(oclScan) - ptPrLn = int(lenOS / numScanLines) - - # Convert oclScan list of points to multi-dimensional list - scanLines = [] - for L in range(0, numScanLines): - scanLines.append([]) - for P in range(0, ptPrLn): - pi = L * ptPrLn + P - scanLines[L].append(oclScan[pi]) - lenSL = len(scanLines) - pntsPerLine = len(scanLines[0]) - PathLog.debug("--OCL scan: " + str(lenSL * pntsPerLine) + " points, with " + str(numScanLines) + " lines and " + str(pntsPerLine) + " pts/line") - - # Extract Wl layers per depthparams - lyr = 0 - cmds = [] - layTime = time.time() - self.topoMap = [] - for layDep in depthparams: - cmds = self._getWaterline(obj, scanLines, layDep, lyr, lenSL, pntsPerLine) - commands.extend(cmds) - lyr += 1 - PathLog.debug("--All layer scans combined took " + str(time.time() - layTime) + " s") - return commands - - def _waterlineDropCutScan(self, stl, smplInt, xmin, xmax, ymin, fd, numScanLines): - '''_waterlineDropCutScan(stl, smplInt, xmin, xmax, ymin, fd, numScanLines) ... - Perform OCL scan for waterline purpose.''' - pdc = ocl.PathDropCutter() # create a pdc - pdc.setSTL(stl) - pdc.setCutter(self.cutter) - pdc.setZ(fd) # set minimumZ (final / target depth value) - pdc.setSampling(smplInt) - - # Create line object as path - path = ocl.Path() # create an empty path object - for nSL in range(0, numScanLines): - yVal = ymin + (nSL * smplInt) - p1 = ocl.Point(xmin, yVal, fd) # start-point of line - p2 = ocl.Point(xmax, yVal, fd) # end-point of line - path.append(ocl.Line(p1, p2)) - # path.append(l) # add the line to the path - pdc.setPath(path) - pdc.run() # run drop-cutter on the path - - # return the list the points - return pdc.getCLPoints() - - def _getWaterline(self, obj, scanLines, layDep, lyr, lenSL, pntsPerLine): - '''_getWaterline(obj, scanLines, layDep, lyr, lenSL, pntsPerLine) ... Get waterline.''' - commands = [] - cmds = [] - loopList = [] - self.topoMap = [] - # Create topo map from scanLines (highs and lows) - self.topoMap = self._createTopoMap(scanLines, layDep, lenSL, pntsPerLine) - # Add buffer lines and columns to topo map - self._bufferTopoMap(lenSL, pntsPerLine) - # Identify layer waterline from OCL scan - self._highlightWaterline(4, 9) - # Extract waterline and convert to gcode - loopList = self._extractWaterlines(obj, scanLines, lyr, layDep) - # save commands - for loop in loopList: - cmds = self._loopToGcode(obj, layDep, loop) - commands.extend(cmds) - return commands - - def _createTopoMap(self, scanLines, layDep, lenSL, pntsPerLine): - '''_createTopoMap(scanLines, layDep, lenSL, pntsPerLine) ... Create topo map version of OCL scan data.''' - topoMap = [] - for L in range(0, lenSL): - topoMap.append([]) - for P in range(0, pntsPerLine): - if scanLines[L][P].z > layDep: - topoMap[L].append(2) - else: - topoMap[L].append(0) - return topoMap - - def _bufferTopoMap(self, lenSL, pntsPerLine): - '''_bufferTopoMap(lenSL, pntsPerLine) ... Add buffer boarder of zeros to all sides to topoMap data.''' - pre = [0, 0] - post = [0, 0] - for p in range(0, pntsPerLine): - pre.append(0) - post.append(0) - for l in range(0, lenSL): - self.topoMap[l].insert(0, 0) - self.topoMap[l].append(0) - self.topoMap.insert(0, pre) - self.topoMap.append(post) - return True - - def _highlightWaterline(self, extraMaterial, insCorn): - '''_highlightWaterline(extraMaterial, insCorn) ... Highlight the waterline data, separating from extra material.''' - TM = self.topoMap - lastPnt = len(TM[1]) - 1 - lastLn = len(TM) - 1 - highFlag = 0 - - # ("--Convert parallel data to ridges") - for lin in range(1, lastLn): - for pt in range(1, lastPnt): # Ignore first and last points - if TM[lin][pt] == 0: - if TM[lin][pt + 1] == 2: # step up - TM[lin][pt] = 1 - if TM[lin][pt - 1] == 2: # step down - TM[lin][pt] = 1 - - # ("--Convert perpendicular data to ridges and highlight ridges") - for pt in range(1, lastPnt): # Ignore first and last points - for lin in range(1, lastLn): - if TM[lin][pt] == 0: - highFlag = 0 - if TM[lin + 1][pt] == 2: # step up - TM[lin][pt] = 1 - if TM[lin - 1][pt] == 2: # step down - TM[lin][pt] = 1 - elif TM[lin][pt] == 2: - highFlag += 1 - if highFlag == 3: - if TM[lin - 1][pt - 1] < 2 or TM[lin - 1][pt + 1] < 2: - highFlag = 2 - else: - TM[lin - 1][pt] = extraMaterial - highFlag = 2 - - # ("--Square corners") - for pt in range(1, lastPnt): - for lin in range(1, lastLn): - if TM[lin][pt] == 1: # point == 1 - cont = True - if TM[lin + 1][pt] == 0: # forward == 0 - if TM[lin + 1][pt - 1] == 1: # forward left == 1 - if TM[lin][pt - 1] == 2: # left == 2 - TM[lin + 1][pt] = 1 # square the corner - cont = False - - if cont is True and TM[lin + 1][pt + 1] == 1: # forward right == 1 - if TM[lin][pt + 1] == 2: # right == 2 - TM[lin + 1][pt] = 1 # square the corner - cont = True - - if TM[lin - 1][pt] == 0: # back == 0 - if TM[lin - 1][pt - 1] == 1: # back left == 1 - if TM[lin][pt - 1] == 2: # left == 2 - TM[lin - 1][pt] = 1 # square the corner - cont = False - - if cont is True and TM[lin - 1][pt + 1] == 1: # back right == 1 - if TM[lin][pt + 1] == 2: # right == 2 - TM[lin - 1][pt] = 1 # square the corner - - # remove inside corners - for pt in range(1, lastPnt): - for lin in range(1, lastLn): - if TM[lin][pt] == 1: # point == 1 - if TM[lin][pt + 1] == 1: - if TM[lin - 1][pt + 1] == 1 or TM[lin + 1][pt + 1] == 1: - TM[lin][pt + 1] = insCorn - elif TM[lin][pt - 1] == 1: - if TM[lin - 1][pt - 1] == 1 or TM[lin + 1][pt - 1] == 1: - TM[lin][pt - 1] = insCorn - - return True - - def _extractWaterlines(self, obj, oclScan, lyr, layDep): - '''_extractWaterlines(obj, oclScan, lyr, layDep) ... Extract water lines from OCL scan data.''' - srch = True - lastPnt = len(self.topoMap[0]) - 1 - lastLn = len(self.topoMap) - 1 - maxSrchs = 5 - srchCnt = 1 - loopList = [] - loop = [] - loopNum = 0 - - if self.CutClimb is True: - lC = [-1, -1, -1, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 1, 1, 0] - pC = [-1, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 1, 1, 0, -1, -1] - else: - lC = [1, 1, 1, 0, -1, -1, -1, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 1, 1, 0, -1, -1, -1, 0] - pC = [-1, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 1, 1, 0, -1, -1] - - while srch is True: - srch = False - if srchCnt > maxSrchs: - PathLog.debug("Max search scans, " + str(maxSrchs) + " reached\nPossible incomplete waterline result!") - break - for L in range(1, lastLn): - for P in range(1, lastPnt): - if self.topoMap[L][P] == 1: - # start loop follow - srch = True - loopNum += 1 - loop = self._trackLoop(oclScan, lC, pC, L, P, loopNum) - self.topoMap[L][P] = 0 # Mute the starting point - loopList.append(loop) - srchCnt += 1 - PathLog.debug("Search count for layer " + str(lyr) + " is " + str(srchCnt) + ", with " + str(loopNum) + " loops.") - return loopList - - def _trackLoop(self, oclScan, lC, pC, L, P, loopNum): - '''_trackLoop(oclScan, lC, pC, L, P, loopNum) ... Track the loop direction.''' - loop = [oclScan[L - 1][P - 1]] # Start loop point list - cur = [L, P, 1] - prv = [L, P - 1, 1] - nxt = [L, P + 1, 1] - follow = True - ptc = 0 - ptLmt = 200000 - while follow is True: - ptc += 1 - if ptc > ptLmt: - PathLog.debug("Loop number " + str(loopNum) + " at [" + str(nxt[0]) + ", " + str(nxt[1]) + "] pnt count exceeds, " + str(ptLmt) + ". Stopped following loop.") - break - nxt = self._findNextWlPoint(lC, pC, cur[0], cur[1], prv[0], prv[1]) # get next point - loop.append(oclScan[nxt[0] - 1][nxt[1] - 1]) # add it to loop point list - self.topoMap[nxt[0]][nxt[1]] = nxt[2] # Mute the point, if not Y stem - if nxt[0] == L and nxt[1] == P: # check if loop complete - follow = False - elif nxt[0] == cur[0] and nxt[1] == cur[1]: # check if line cannot be detected - follow = False - prv = cur - cur = nxt - return loop - - def _findNextWlPoint(self, lC, pC, cl, cp, pl, pp): - '''_findNextWlPoint(lC, pC, cl, cp, pl, pp) ... - Find the next waterline point in the point cloud layer provided.''' - dl = cl - pl - dp = cp - pp - num = 0 - i = 3 - s = 0 - mtch = 0 - found = False - while mtch < 8: # check all 8 points around current point - if lC[i] == dl: - if pC[i] == dp: - s = i - 3 - found = True - # Check for y branch where current point is connection between branches - for y in range(1, mtch): - if lC[i + y] == dl: - if pC[i + y] == dp: - num = 1 - break - break - i += 1 - mtch += 1 - if found is False: - # ("_findNext: No start point found.") - return [cl, cp, num] - - for r in range(0, 8): - l = cl + lC[s + r] - p = cp + pC[s + r] - if self.topoMap[l][p] == 1: - return [l, p, num] - - # ("_findNext: No next pnt found") - return [cl, cp, num] - - def _loopToGcode(self, obj, layDep, loop): - '''_loopToGcode(obj, layDep, loop) ... Convert set of loop points to Gcode.''' - # generate the path commands - output = [] - optimize = obj.OptimizeLinearPaths - - prev = ocl.Point(float("inf"), float("inf"), float("inf")) - nxt = ocl.Point(float("inf"), float("inf"), float("inf")) - pnt = ocl.Point(float("inf"), float("inf"), float("inf")) - - # Create first point - pnt.x = loop[0].x - pnt.y = loop[0].y - pnt.z = layDep - - # Position cutter to begin loop - output.append(Path.Command('G0', {'Z': obj.ClearanceHeight.Value, 'F': self.vertRapid})) - output.append(Path.Command('G0', {'X': pnt.x, 'Y': pnt.y, 'F': self.horizRapid})) - output.append(Path.Command('G1', {'Z': pnt.z, 'F': self.vertFeed})) - - lenCLP = len(loop) - lastIdx = lenCLP - 1 - # Cycle through each point on loop - for i in range(0, lenCLP): - if i < lastIdx: - nxt.x = loop[i + 1].x - nxt.y = loop[i + 1].y - nxt.z = layDep - else: - optimize = False - - if not optimize or not FreeCAD.Vector(prev.x, prev.y, prev.z).isOnLineSegment(FreeCAD.Vector(nxt.x, nxt.y, nxt.z), FreeCAD.Vector(pnt.x, pnt.y, pnt.z)): - output.append(Path.Command('G1', {'X': pnt.x, 'Y': pnt.y, 'F': self.horizFeed})) - - # Rotate point data - prev.x = pnt.x - prev.y = pnt.y - prev.z = pnt.z - pnt.x = nxt.x - pnt.y = nxt.y - pnt.z = nxt.z - - # Save layer end point for use in transitioning to next layer - self.layerEndPnt.x = pnt.x - self.layerEndPnt.y = pnt.y - self.layerEndPnt.z = pnt.z - - return output - - # Main waterline functions - def _experimentalWaterlineOp(self, JOB, obj, mdlIdx, subShp=None): - '''_waterlineOp(JOB, obj, mdlIdx, subShp=None) ... - Main waterline function to perform waterline extraction from model.''' - PathLog.debug('_experimentalWaterlineOp()') - - msg = translate('PathWaterline', 'Experimental Waterline does not currently support selected faces.') - PathLog.info('\n..... ' + msg) - - commands = [] - t_begin = time.time() - base = JOB.Model.Group[mdlIdx] - bb = self.boundBoxes[mdlIdx] - stl = self.modelSTLs[mdlIdx] - safeSTL = self.safeSTLs[mdlIdx] - self.endVector = None - - finDep = obj.FinalDepth.Value + (self.geoTlrnc / 10.0) - depthParams = PathUtils.depth_params(obj.ClearanceHeight.Value, obj.SafeHeight.Value, obj.StartDepth.Value, obj.StepDown.Value, 0.0, finDep) - - # Compute number and size of stepdowns, and final depth - if obj.LayerMode == 'Single-pass': - depthparams = [finDep] - else: - depthparams = [dp for dp in depthParams] - lenDP = len(depthparams) - PathLog.debug('Experimental Waterline depthparams:\n{}'.format(depthparams)) - - # Prepare PathDropCutter objects with STL data - # safePDC = self._planarGetPDC(safeSTL, depthparams[lenDP - 1], obj.SampleInterval.Value, useSafeCutter=False) - - buffer = self.cutter.getDiameter() * 2.0 - borderFace = Part.Face(self._makeExtendedBoundBox(JOB.Stock.Shape.BoundBox, buffer, 0.0)) - - # Get correct boundbox - if obj.BoundBox == 'Stock': - stockEnv = self._getShapeEnvelope(JOB.Stock.Shape) - bbFace = self._getCrossSection(stockEnv) # returned at Z=0.0 - elif obj.BoundBox == 'BaseBoundBox': - baseEnv = self._getShapeEnvelope(base.Shape) - bbFace = self._getCrossSection(baseEnv) # returned at Z=0.0 - - trimFace = borderFace.cut(bbFace) - if self.showDebugObjects is True: - TF = FreeCAD.ActiveDocument.addObject('Part::Feature', 'trimFace') - TF.Shape = trimFace - TF.purgeTouched() - self.tempGroup.addObject(TF) - - # Cycle through layer depths - CUTAREAS = self._getCutAreas(base.Shape, depthparams, bbFace, trimFace, borderFace) - if not CUTAREAS: - PathLog.error('No cross-section cut areas identified.') - return commands - - caCnt = 0 - ofst = obj.BoundaryAdjustment.Value - ofst -= self.radius # (self.radius + (tolrnc / 10.0)) - caLen = len(CUTAREAS) - lastCA = caLen - 1 - lastClearArea = None - lastCsHght = None - clearLastLayer = True - for ca in range(0, caLen): - area = CUTAREAS[ca] - csHght = area.BoundBox.ZMin - csHght += obj.DepthOffset.Value - cont = False - caCnt += 1 - if area.Area > 0.0: - cont = True - caWireCnt = len(area.Wires) - 1 # first wire is boundFace wire - PathLog.debug('cutAreaWireCnt: {}'.format(caWireCnt)) - if self.showDebugObjects is True: - CA = FreeCAD.ActiveDocument.addObject('Part::Feature', 'cutArea_{}'.format(caCnt)) - CA.Shape = area - CA.purgeTouched() - self.tempGroup.addObject(CA) - else: - PathLog.error('Cut area at {} is zero.'.format(round(csHght, 4))) - - # get offset wire(s) based upon cross-section cut area - if cont: - area.translate(FreeCAD.Vector(0.0, 0.0, 0.0 - area.BoundBox.ZMin)) - activeArea = area.cut(trimFace) - activeAreaWireCnt = len(activeArea.Wires) # first wire is boundFace wire - PathLog.debug('activeAreaWireCnt: {}'.format(activeAreaWireCnt)) - if self.showDebugObjects is True: - CA = FreeCAD.ActiveDocument.addObject('Part::Feature', 'activeArea_{}'.format(caCnt)) - CA.Shape = activeArea - CA.purgeTouched() - self.tempGroup.addObject(CA) - ofstArea = self._extractFaceOffset(obj, activeArea, ofst, makeComp=False) - if not ofstArea: - PathLog.error('No offset area returned for cut area depth: {}'.format(csHght)) - cont = False - - if cont: - # Identify solid areas in the offset data - ofstSolidFacesList = self._getSolidAreasFromPlanarFaces(ofstArea) - if ofstSolidFacesList: - clearArea = Part.makeCompound(ofstSolidFacesList) - if self.showDebugObjects is True: - CA = FreeCAD.ActiveDocument.addObject('Part::Feature', 'clearArea_{}'.format(caCnt)) - CA.Shape = clearArea - CA.purgeTouched() - self.tempGroup.addObject(CA) - else: - cont = False - PathLog.error('ofstSolids is False.') - - if cont: - # Make waterline path for current CUTAREA depth (csHght) - commands.extend(self._wiresToWaterlinePath(obj, clearArea, csHght)) - clearArea.translate(FreeCAD.Vector(0.0, 0.0, 0.0 - clearArea.BoundBox.ZMin)) - lastClearArea = clearArea - lastCsHght = csHght - - # Clear layer as needed - (useOfst, usePat, clearLastLayer) = self._clearLayer(obj, ca, lastCA, clearLastLayer) - ##if self.showDebugObjects is True and (usePat or useOfst): - ## OA = FreeCAD.ActiveDocument.addObject('Part::Feature', 'clearPatternArea_{}'.format(round(csHght, 2))) - ## OA.Shape = clearArea - ## OA.purgeTouched() - ## self.tempGroup.addObject(OA) - if usePat: - commands.extend(self._makeCutPatternLayerPaths(JOB, obj, clearArea, csHght)) - if useOfst: - commands.extend(self._makeOffsetLayerPaths(JOB, obj, clearArea, csHght)) - # Efor - - if clearLastLayer: - (useOfst, usePat, cLL) = self._clearLayer(obj, 1, 1, False) - clearArea.translate(FreeCAD.Vector(0.0, 0.0, 0.0 - lastClearArea.BoundBox.ZMin)) - if usePat: - commands.extend(self._makeCutPatternLayerPaths(JOB, obj, lastClearArea, lastCsHght)) - - if useOfst: - commands.extend(self._makeOffsetLayerPaths(JOB, obj, lastClearArea, lastCsHght)) - - PathLog.info("Waterline: All layer scans combined took " + str(time.time() - t_begin) + " s") - return commands - - def _getCutAreas(self, shape, depthparams, bbFace, trimFace, borderFace): - '''_getCutAreas(JOB, shape, depthparams, bbFace, borderFace) ... - Takes shape, depthparams and base-envelope-cross-section, and - returns a list of cut areas - one for each depth.''' - PathLog.debug('_getCutAreas()') - - CUTAREAS = list() - lastLayComp = None - isFirst = True - lenDP = len(depthparams) - - # Cycle through layer depths - for dp in range(0, lenDP): - csHght = depthparams[dp] - PathLog.debug('Depth {} is {}'.format(dp + 1, csHght)) - - # Get slice at depth of shape - csFaces = self._getModelCrossSection(shape, csHght) # returned at Z=0.0 - if not csFaces: - PathLog.error('No cross-section wires at {}'.format(csHght)) - else: - PathLog.debug('cross-section face count {}'.format(len(csFaces))) - if len(csFaces) > 0: - useFaces = self._getSolidAreasFromPlanarFaces(csFaces) - else: - useFaces = False - - if useFaces: - PathLog.debug('useFacesCnt: {}'.format(len(useFaces))) - compAdjFaces = Part.makeCompound(useFaces) - - if self.showDebugObjects is True: - CA = FreeCAD.ActiveDocument.addObject('Part::Feature', 'tmpSolids_{}'.format(dp + 1)) - CA.Shape = compAdjFaces - CA.purgeTouched() - self.tempGroup.addObject(CA) - - if isFirst: - allPrevComp = compAdjFaces - cutArea = borderFace.cut(compAdjFaces) - else: - preCutArea = borderFace.cut(compAdjFaces) - cutArea = preCutArea.cut(allPrevComp) # cut out higher layers to avoid cutting recessed areas - allPrevComp = allPrevComp.fuse(compAdjFaces) - cutArea.translate(FreeCAD.Vector(0.0, 0.0, csHght - cutArea.BoundBox.ZMin)) - CUTAREAS.append(cutArea) - isFirst = False - else: - PathLog.error('No waterline at depth: {} mm.'.format(csHght)) - # Efor - - if len(CUTAREAS) > 0: - return CUTAREAS - - return False - - def _wiresToWaterlinePath(self, obj, ofstPlnrShp, csHght): - PathLog.debug('_wiresToWaterlinePath()') - commands = list() - - # Translate path geometry to layer height - ofstPlnrShp.translate(FreeCAD.Vector(0.0, 0.0, csHght - ofstPlnrShp.BoundBox.ZMin)) - if self.showDebugObjects is True: - OA = FreeCAD.ActiveDocument.addObject('Part::Feature', 'waterlinePathArea_{}'.format(round(csHght, 2))) - OA.Shape = ofstPlnrShp - OA.purgeTouched() - self.tempGroup.addObject(OA) - - commands.append(Path.Command('N (Cut Area {}.)'.format(round(csHght, 2)))) - for w in range(0, len(ofstPlnrShp.Wires)): - wire = ofstPlnrShp.Wires[w] - V = wire.Vertexes - if obj.CutMode == 'Climb': - lv = len(V) - 1 - startVect = FreeCAD.Vector(V[lv].X, V[lv].Y, V[lv].Z) - else: - startVect = FreeCAD.Vector(V[0].X, V[0].Y, V[0].Z) - - commands.append(Path.Command('N (Wire {}.)'.format(w))) - (cmds, endVect) = self._wireToPath(obj, wire, startVect) - commands.extend(cmds) - commands.append(Path.Command('G0', {'Z': obj.SafeHeight.Value, 'F': self.vertRapid})) - - return commands - - def _makeCutPatternLayerPaths(self, JOB, obj, clrAreaShp, csHght): - PathLog.debug('_makeCutPatternLayerPaths()') - commands = [] - - clrAreaShp.translate(FreeCAD.Vector(0.0, 0.0, 0.0 - clrAreaShp.BoundBox.ZMin)) - pathGeom = self._planarMakePathGeom(obj, clrAreaShp) - pathGeom.translate(FreeCAD.Vector(0.0, 0.0, csHght - pathGeom.BoundBox.ZMin)) - # clrAreaShp.translate(FreeCAD.Vector(0.0, 0.0, csHght - clrAreaShp.BoundBox.ZMin)) - - if self.showDebugObjects is True: - OA = FreeCAD.ActiveDocument.addObject('Part::Feature', 'pathGeom_{}'.format(round(csHght, 2))) - OA.Shape = pathGeom - OA.purgeTouched() - self.tempGroup.addObject(OA) - - # Convert pathGeom to gcode more efficiently - if True: - if obj.CutPattern == 'Offset': - commands.extend(self._makeOffsetLayerPaths(JOB, obj, clrAreaShp, csHght)) - else: - clrAreaShp.translate(FreeCAD.Vector(0.0, 0.0, csHght - clrAreaShp.BoundBox.ZMin)) - if obj.CutPattern == 'Line': - pntSet = self._pathGeomToLinesPointSet(obj, pathGeom) - elif obj.CutPattern == 'ZigZag': - pntSet = self._pathGeomToZigzagPointSet(obj, pathGeom) - elif obj.CutPattern in ['Circular', 'CircularZigZag']: - pntSet = self._pathGeomToArcPointSet(obj, pathGeom) - stpOVRS = self._getExperimentalWaterlinePaths(obj, pntSet, csHght) - # PathLog.debug('stpOVRS:\n{}'.format(stpOVRS)) - safePDC = False - cmds = self._clearGeomToPaths(JOB, obj, safePDC, stpOVRS, csHght) - commands.extend(cmds) - else: - # Use Path.fromShape() to convert edges to paths - for w in range(0, len(pathGeom.Edges)): - wire = pathGeom.Edges[w] - V = wire.Vertexes - if obj.CutMode == 'Climb': - lv = len(V) - 1 - startVect = FreeCAD.Vector(V[lv].X, V[lv].Y, V[lv].Z) - else: - startVect = FreeCAD.Vector(V[0].X, V[0].Y, V[0].Z) - - commands.append(Path.Command('N (Wire {}.)'.format(w))) - (cmds, endVect) = self._wireToPath(obj, wire, startVect) - commands.extend(cmds) - commands.append(Path.Command('G0', {'Z': obj.SafeHeight.Value, 'F': self.vertRapid})) - - return commands - - def _makeOffsetLayerPaths(self, JOB, obj, clrAreaShp, csHght): - PathLog.debug('_makeOffsetLayerPaths()') - PathLog.warning('Using `Offset` for clearing bottom layer.') - cmds = list() - # ofst = obj.BoundaryAdjustment.Value - ofst = 0.0 - self.cutOut # - self.cutter.getDiameter() # (self.radius + (tolrnc / 10.0)) - shape = clrAreaShp - cont = True - cnt = 0 - while cont: - ofstArea = self._extractFaceOffset(obj, shape, ofst, makeComp=True) - if not ofstArea: - PathLog.warning('No offset clearing area returned.') - break - for F in ofstArea.Faces: - cmds.extend(self._wiresToWaterlinePath(obj, F, csHght)) - shape = ofstArea - if cnt == 0: - ofst = 0.0 - self.cutOut # self.cutter.Diameter() - cnt += 1 - return cmds - - def _clearGeomToPaths(self, JOB, obj, safePDC, SCANDATA, csHght): - PathLog.debug('_clearGeomToPaths()') - - GCODE = [Path.Command('N (Beginning of Single-pass layer.)', {})] - tolrnc = JOB.GeometryTolerance.Value - prevDepth = obj.SafeHeight.Value - lenSCANDATA = len(SCANDATA) - gDIR = ['G3', 'G2'] - - if self.CutClimb is True: - gDIR = ['G2', 'G3'] - - # Send cutter to x,y position of first point on first line - first = SCANDATA[0][0][0] # [step][item][point] - GCODE.append(Path.Command('G0', {'X': first.x, 'Y': first.y, 'F': self.horizRapid})) - - # Cycle through step-over sections (line segments or arcs) - odd = True - lstStpEnd = None - prevDepth = obj.SafeHeight.Value # Not used for Single-pass - for so in range(0, lenSCANDATA): - cmds = list() - PRTS = SCANDATA[so] - lenPRTS = len(PRTS) - first = PRTS[0][0] # first point of arc/line stepover group - start = PRTS[0][0] # will change with each line/arc segment - last = None - cmds.append(Path.Command('N (Begin step {}.)'.format(so), {})) - - if so > 0: - if obj.CutPattern == 'CircularZigZag': - if odd is True: - odd = False - else: - odd = True - # minTrnsHght = self._getMinSafeTravelHeight(safePDC, lstStpEnd, first) # Check safe travel height against fullSTL - minTrnsHght = obj.SafeHeight.Value - # cmds.append(Path.Command('N (Transition: last, first: {}, {}: minSTH: {})'.format(lstStpEnd, first, minTrnsHght), {})) - cmds.extend(self._stepTransitionCmds(obj, lstStpEnd, first, minTrnsHght, tolrnc)) - - # Cycle through current step-over parts - for i in range(0, lenPRTS): - prt = PRTS[i] - lenPrt = len(prt) - # PathLog.debug('prt: {}'.format(prt)) - if prt == 'BRK': - nxtStart = PRTS[i + 1][0] - # minSTH = self._getMinSafeTravelHeight(safePDC, last, nxtStart) # Check safe travel height against fullSTL - minSTH = obj.SafeHeight.Value - cmds.append(Path.Command('N (Break)', {})) - cmds.extend(self._breakCmds(obj, last, nxtStart, minSTH, tolrnc)) - else: - cmds.append(Path.Command('N (part {}.)'.format(i + 1), {})) - if obj.CutPattern in ['Line', 'ZigZag']: - start, last = prt - cmds.append(Path.Command('G1', {'X': start.x, 'Y': start.y, 'Z': start.z, 'F': self.horizFeed})) - cmds.append(Path.Command('G1', {'X': last.x, 'Y': last.y, 'F': self.horizFeed})) - elif obj.CutPattern in ['Circular', 'CircularZigZag']: - start, last, centPnt, cMode = prt - gcode = self._makeGcodeArc(start, last, odd, gDIR, tolrnc) - cmds.extend(gcode) - cmds.append(Path.Command('N (End of step {}.)'.format(so), {})) - GCODE.extend(cmds) # save line commands - lstStpEnd = last - # Efor - - return GCODE - - def _getSolidAreasFromPlanarFaces(self, csFaces): - PathLog.debug('_getSolidAreasFromPlanarFaces()') - holds = list() - cutFaces = list() - useFaces = list() - lenCsF = len(csFaces) - PathLog.debug('lenCsF: {}'.format(lenCsF)) - - if lenCsF == 1: - useFaces = csFaces - else: - fIds = list() - aIds = list() - pIds = list() - cIds = list() - - for af in range(0, lenCsF): - fIds.append(af) # face ids - aIds.append(af) # face ids - pIds.append(-1) # parent ids - cIds.append(False) # cut ids - holds.append(False) - - while len(fIds) > 0: - li = fIds.pop() - low = csFaces[li] # senior face - pIds = self._idInternalFeature(csFaces, fIds, pIds, li, low) - # Ewhile - ##PathLog.info('fIds: {}'.format(fIds)) - ##PathLog.info('pIds: {}'.format(pIds)) - - for af in range(lenCsF - 1, -1, -1): # cycle from last item toward first - ##PathLog.info('af: {}'.format(af)) - prnt = pIds[af] - ##PathLog.info('prnt: {}'.format(prnt)) - if prnt == -1: - stack = -1 - else: - stack = [af] - # get_face_ids_to_parent - stack.insert(0, prnt) - nxtPrnt = pIds[prnt] - # find af value for nxtPrnt - while nxtPrnt != -1: - stack.insert(0, nxtPrnt) - nxtPrnt = pIds[nxtPrnt] - cIds[af] = stack - # PathLog.debug('cIds: {}\n'.format(cIds)) - - for af in range(0, lenCsF): - # PathLog.debug('af is {}'.format(af)) - pFc = cIds[af] - if pFc == -1: - # Simple, independent region - holds[af] = csFaces[af] # place face in hold - # PathLog.debug('pFc == -1') - else: - # Compound region - # PathLog.debug('pFc is not -1') - cnt = len(pFc) - if cnt % 2.0 == 0.0: - # even is donut cut - # PathLog.debug('cnt is even') - inr = pFc[cnt - 1] - otr = pFc[cnt - 2] - # PathLog.debug('inr / otr: {} / {}'.format(inr, otr)) - holds[otr] = holds[otr].cut(csFaces[inr]) - else: - # odd is floating solid - # PathLog.debug('cnt is ODD') - holds[af] = csFaces[af] - # Efor - - for af in range(0, lenCsF): - if holds[af]: - useFaces.append(holds[af]) # save independent solid - - # Eif - - if len(useFaces) > 0: - return useFaces - - return False - - def _getModelCrossSection(self, shape, csHght): - PathLog.debug('_getCrossSection()') - wires = list() - - def byArea(fc): - return fc.Area - - for i in shape.slice(FreeCAD.Vector(0, 0, 1), csHght): - wires.append(i) - - if len(wires) > 0: - for w in wires: - if w.isClosed() is False: - return False - FCS = list() - for w in wires: - w.translate(FreeCAD.Vector(0.0, 0.0, 0.0 - w.BoundBox.ZMin)) - FCS.append(Part.Face(w)) - FCS.sort(key=byArea, reverse=True) - return FCS - else: - PathLog.debug(' -No wires from .slice() method') - - return False - - def _isInBoundBox(self, outShp, inShp): - obb = outShp.BoundBox - ibb = inShp.BoundBox - - if obb.XMin < ibb.XMin: - if obb.XMax > ibb.XMax: - if obb.YMin < ibb.YMin: - if obb.YMax > ibb.YMax: - return True - return False - - def _idInternalFeature(self, csFaces, fIds, pIds, li, low): - Ids = list() - for i in fIds: - Ids.append(i) - while len(Ids) > 0: - hi = Ids.pop() - high = csFaces[hi] - if self._isInBoundBox(high, low): - cmn = high.common(low) - if cmn.Area > 0.0: - pIds[li] = hi - break - # Ewhile - return pIds - - def _wireToPath(self, obj, wire, startVect): - '''_wireToPath(obj, wire, startVect) ... wire to path.''' - PathLog.track() - - paths = [] - pathParams = {} # pylint: disable=assignment-from-no-return - V = wire.Vertexes - - pathParams['shapes'] = [wire] - pathParams['feedrate'] = self.horizFeed - pathParams['feedrate_v'] = self.vertFeed - pathParams['verbose'] = True - pathParams['resume_height'] = obj.SafeHeight.Value - pathParams['retraction'] = obj.ClearanceHeight.Value - pathParams['return_end'] = True - # Note that emitting preambles between moves breaks some dressups and prevents path optimization on some controllers - pathParams['preamble'] = False - pathParams['start'] = startVect - - (pp, end_vector) = Path.fromShapes(**pathParams) - paths.extend(pp.Commands) - # PathLog.debug('pp: {}, end vector: {}'.format(pp, end_vector)) - - self.endVector = end_vector # pylint: disable=attribute-defined-outside-init - - return (paths, end_vector) - - def _makeExtendedBoundBox(self, wBB, bbBfr, zDep): - pl = FreeCAD.Placement() - pl.Rotation = FreeCAD.Rotation(FreeCAD.Vector(0, 0, 1), 0) - pl.Base = FreeCAD.Vector(0, 0, 0) - - p1 = FreeCAD.Vector(wBB.XMin - bbBfr, wBB.YMin - bbBfr, zDep) - p2 = FreeCAD.Vector(wBB.XMax + bbBfr, wBB.YMin - bbBfr, zDep) - p3 = FreeCAD.Vector(wBB.XMax + bbBfr, wBB.YMax + bbBfr, zDep) - p4 = FreeCAD.Vector(wBB.XMin - bbBfr, wBB.YMax + bbBfr, zDep) - bb = Part.makePolygon([p1, p2, p3, p4, p1]) - - return bb - - def _makeGcodeArc(self, strtPnt, endPnt, odd, gDIR, tolrnc): - cmds = list() - isCircle = False - inrPnt = None - gdi = 0 - if odd is True: - gdi = 1 - - # Test if pnt set is circle - if abs(strtPnt.x - endPnt.x) < tolrnc: - if abs(strtPnt.y - endPnt.y) < tolrnc: - isCircle = True - isCircle = False - - if isCircle is True: - # convert LN to G2/G3 arc, consolidating GCode - # https://wiki.shapeoko.com/index.php/G-Code#G2_-_clockwise_arc - # https://www.cnccookbook.com/cnc-g-code-arc-circle-g02-g03/ - # Dividing circle into two arcs allows for G2/G3 on inclined surfaces - - # ijk = self.tmpCOM - strtPnt # vector from start to center - ijk = self.tmpCOM - strtPnt # vector from start to center - xyz = self.tmpCOM.add(ijk) # end point - cmds.append(Path.Command('G1', {'X': strtPnt.x, 'Y': strtPnt.y, 'Z': strtPnt.z, 'F': self.horizFeed})) - cmds.append(Path.Command(gDIR[gdi], {'X': xyz.x, 'Y': xyz.y, 'Z': xyz.z, - 'I': ijk.x, 'J': ijk.y, 'K': ijk.z, # leave same xyz.z height - 'F': self.horizFeed})) - cmds.append(Path.Command('G1', {'X': xyz.x, 'Y': xyz.y, 'Z': xyz.z, 'F': self.horizFeed})) - ijk = self.tmpCOM - xyz # vector from start to center - rst = strtPnt # end point - cmds.append(Path.Command(gDIR[gdi], {'X': rst.x, 'Y': rst.y, 'Z': rst.z, - 'I': ijk.x, 'J': ijk.y, 'K': ijk.z, # leave same xyz.z height - 'F': self.horizFeed})) - cmds.append(Path.Command('G1', {'X': strtPnt.x, 'Y': strtPnt.y, 'Z': strtPnt.z, 'F': self.horizFeed})) - else: - # ijk = self.tmpCOM - strtPnt - ijk = self.tmpCOM.sub(strtPnt) # vector from start to center - xyz = endPnt - cmds.append(Path.Command('G1', {'X': strtPnt.x, 'Y': strtPnt.y, 'Z': strtPnt.z, 'F': self.horizFeed})) - cmds.append(Path.Command(gDIR[gdi], {'X': xyz.x, 'Y': xyz.y, 'Z': xyz.z, - 'I': ijk.x, 'J': ijk.y, 'K': ijk.z, # leave same xyz.z height - 'F': self.horizFeed})) - cmds.append(Path.Command('G1', {'X': endPnt.x, 'Y': endPnt.y, 'Z': endPnt.z, 'F': self.horizFeed})) - - return cmds - - def _clearLayer(self, obj, ca, lastCA, clearLastLayer): - PathLog.debug('_clearLayer()') - usePat = False - useOfst = False - - if obj.ClearLastLayer == 'Off': - if obj.CutPattern != 'None': - usePat = True - else: - if ca == lastCA: - PathLog.debug('... Clearing bottom layer.') - if obj.ClearLastLayer == 'Offset': - obj.CutPattern = 'None' - useOfst = True - else: - obj.CutPattern = obj.ClearLastLayer - usePat = True - clearLastLayer = False - - return (useOfst, usePat, clearLastLayer) - - def resetOpVariables(self, all=True): - '''resetOpVariables() ... Reset class variables used for instance of operation.''' - self.holdPoint = None - self.layerEndPnt = None - self.onHold = False - self.SafeHeightOffset = 2.0 - self.ClearHeightOffset = 4.0 - self.layerEndzMax = 0.0 - self.resetTolerance = 0.0 - self.holdPntCnt = 0 - self.bbRadius = 0.0 - self.axialFeed = 0.0 - self.axialRapid = 0.0 - self.FinalDepth = 0.0 - self.clearHeight = 0.0 - self.safeHeight = 0.0 - self.faceZMax = -999999999999.0 - if all is True: - self.cutter = None - self.stl = None - self.fullSTL = None - self.cutOut = 0.0 - self.radius = 0.0 - self.useTiltCutter = False - return True - - def deleteOpVariables(self, all=True): - '''deleteOpVariables() ... Reset class variables used for instance of operation.''' - del self.holdPoint - del self.layerEndPnt - del self.onHold - del self.SafeHeightOffset - del self.ClearHeightOffset - del self.layerEndzMax - del self.resetTolerance - del self.holdPntCnt - del self.bbRadius - del self.axialFeed - del self.axialRapid - del self.FinalDepth - del self.clearHeight - del self.safeHeight - del self.faceZMax - if all is True: - del self.cutter - del self.stl - del self.fullSTL - del self.cutOut - del self.radius - del self.useTiltCutter - return True - - def setOclCutter(self, obj, safe=False): - ''' setOclCutter(obj) ... Translation function to convert FreeCAD tool definition to OCL formatted tool. ''' - # Set cutter details - # https://www.freecadweb.org/api/dd/dfe/classPath_1_1Tool.html#details - diam_1 = float(obj.ToolController.Tool.Diameter) - lenOfst = obj.ToolController.Tool.LengthOffset if hasattr(obj.ToolController.Tool, 'LengthOffset') else 0 - FR = obj.ToolController.Tool.FlatRadius if hasattr(obj.ToolController.Tool, 'FlatRadius') else 0 - CEH = obj.ToolController.Tool.CuttingEdgeHeight if hasattr(obj.ToolController.Tool, 'CuttingEdgeHeight') else 0 - CEA = obj.ToolController.Tool.CuttingEdgeAngle if hasattr(obj.ToolController.Tool, 'CuttingEdgeAngle') else 0 - - # Make safeCutter with 2 mm buffer around physical cutter - if safe is True: - diam_1 += 4.0 - if FR != 0.0: - FR += 2.0 - - PathLog.debug('ToolType: {}'.format(obj.ToolController.Tool.ToolType)) - if obj.ToolController.Tool.ToolType == 'EndMill': - # Standard End Mill - return ocl.CylCutter(diam_1, (CEH + lenOfst)) - - elif obj.ToolController.Tool.ToolType == 'BallEndMill' and FR == 0.0: - # Standard Ball End Mill - # OCL -> BallCutter::BallCutter(diameter, length) - self.useTiltCutter = True - return ocl.BallCutter(diam_1, (diam_1 / 2 + lenOfst)) - - elif obj.ToolController.Tool.ToolType == 'BallEndMill' and FR > 0.0: - # Bull Nose or Corner Radius cutter - # Reference: https://www.fine-tools.com/halbstabfraeser.html - # OCL -> BallCutter::BallCutter(diameter, length) - return ocl.BullCutter(diam_1, FR, (CEH + lenOfst)) - - elif obj.ToolController.Tool.ToolType == 'Engraver' and FR > 0.0: - # Bull Nose or Corner Radius cutter - # Reference: https://www.fine-tools.com/halbstabfraeser.html - # OCL -> ConeCutter::ConeCutter(diameter, angle, lengthOffset) - return ocl.ConeCutter(diam_1, (CEA / 2), lenOfst) - - elif obj.ToolController.Tool.ToolType == 'ChamferMill': - # Bull Nose or Corner Radius cutter - # Reference: https://www.fine-tools.com/halbstabfraeser.html - # OCL -> ConeCutter::ConeCutter(diameter, angle, lengthOffset) - return ocl.ConeCutter(diam_1, (CEA / 2), lenOfst) - else: - # Default to standard end mill - PathLog.warning("Defaulting cutter to standard end mill.") - return ocl.CylCutter(diam_1, (CEH + lenOfst)) - - # http://www.carbidecutter.net/products/carbide-burr-cone-shape-sm.html - ''' - # Available FreeCAD cutter types - some still need translation to available OCL cutter classes. - Drill, CenterDrill, CounterSink, CounterBore, FlyCutter, Reamer, Tap, - EndMill, SlotCutter, BallEndMill, ChamferMill, CornerRound, Engraver - ''' - # Adittional problem is with new ToolBit user-defined cutter shapes. - # Some sort of translation/conversion will have to be defined to make compatible with OCL. - PathLog.error('Unable to set OCL cutter.') - return False - - -def SetupProperties(): - ''' SetupProperties() ... Return list of properties required for operation.''' - setup = [] - setup.append('Algorithm') - setup.append('AngularDeflection') - setup.append('AvoidLastX_Faces') - setup.append('AvoidLastX_InternalFeatures') - setup.append('BoundBox') - setup.append('BoundaryAdjustment') - setup.append('CircularCenterAt') - setup.append('CircularCenterCustom') - setup.append('ClearLastLayer') - setup.append('CutMode') - setup.append('CutPattern') - setup.append('CutPatternAngle') - setup.append('CutPatternReversed') - setup.append('DepthOffset') - setup.append('GapSizes') - setup.append('GapThreshold') - setup.append('HandleMultipleFeatures') - setup.append('InternalFeaturesCut') - setup.append('InternalFeaturesAdjustment') - setup.append('LayerMode') - setup.append('LinearDeflection') - setup.append('OptimizeStepOverTransitions') - setup.append('ProfileEdges') - setup.append('BoundaryEnforcement') - setup.append('SampleInterval') - setup.append('StartPoint') - setup.append('StepOver') - setup.append('UseStartPoint') - # For debugging - setup.append('ShowTempObjects') - return setup - - -def Create(name, obj=None): - '''Create(name) ... Creates and returns a Waterline operation.''' - if obj is None: - obj = FreeCAD.ActiveDocument.addObject("Path::FeaturePython", name) - obj.Proxy = ObjectWaterline(obj, name) - return obj +# -*- coding: utf-8 -*- + +# *************************************************************************** +# * * +# * Copyright (c) 2019 Russell Johnson (russ4262) * +# * Copyright (c) 2019 sliptonic * +# * * +# * This program is free software; you can redistribute it and/or modify * +# * it under the terms of the GNU Lesser General Public License (LGPL) * +# * as published by the Free Software Foundation; either version 2 of * +# * the License, or (at your option) any later version. * +# * for detail see the LICENCE text file. * +# * * +# * This program is distributed in the hope that it will be useful, * +# * but WITHOUT ANY WARRANTY; without even the implied warranty of * +# * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * +# * GNU Library General Public License for more details. * +# * * +# * You should have received a copy of the GNU Library General Public * +# * License along with this program; if not, write to the Free Software * +# * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * +# * USA * +# * * +# *************************************************************************** + +from __future__ import print_function + +__title__ = "Path Waterline Operation" +__author__ = "russ4262 (Russell Johnson), sliptonic (Brad Collette)" +__url__ = "http://www.freecadweb.org" +__doc__ = "Class and implementation of Waterline operation." +__contributors__ = "" + +import FreeCAD +from PySide import QtCore + +# OCL must be installed +try: + import ocl +except ImportError: + msg = QtCore.QCoreApplication.translate("PathWaterline", "This operation requires OpenCamLib to be installed.") + FreeCAD.Console.PrintError(msg + "\n") + raise ImportError + # import sys + # sys.exit(msg) + +import Path +import PathScripts.PathLog as PathLog +import PathScripts.PathUtils as PathUtils +import PathScripts.PathOp as PathOp +import PathScripts.PathSurfaceSupport as PathSurfaceSupport +import time +import math + +# lazily loaded modules +from lazy_loader.lazy_loader import LazyLoader +MeshPart = LazyLoader('MeshPart', globals(), 'MeshPart') +Part = LazyLoader('Part', globals(), 'Part') + +if FreeCAD.GuiUp: + import FreeCADGui + +PathLog.setLevel(PathLog.Level.INFO, PathLog.thisModule()) +# PathLog.trackModule(PathLog.thisModule()) + + +# Qt translation handling +def translate(context, text, disambig=None): + return QtCore.QCoreApplication.translate(context, text, disambig) + + +class ObjectWaterline(PathOp.ObjectOp): + '''Proxy object for Surfacing operation.''' + + def baseObject(self): + '''baseObject() ... returns super of receiver + Used to call base implementation in overwritten functions.''' + return super(self.__class__, self) + + def opFeatures(self, obj): + '''opFeatures(obj) ... return all standard features and edges based geomtries''' + return PathOp.FeatureTool | PathOp.FeatureDepths | PathOp.FeatureHeights | PathOp.FeatureStepDown | PathOp.FeatureCoolant | PathOp.FeatureBaseFaces + + def initOperation(self, obj): + '''initPocketOp(obj) ... + Initialize the operation - property creation and property editor status.''' + self.initOpProperties(obj) + + # For debugging + if PathLog.getLevel(PathLog.thisModule()) != 4: + obj.setEditorMode('ShowTempObjects', 2) # hide + + if not hasattr(obj, 'DoNotSetDefaultValues'): + self.setEditorProperties(obj) + + def initOpProperties(self, obj, warn=False): + '''initOpProperties(obj) ... create operation specific properties''' + missing = list() + + for (prtyp, nm, grp, tt) in self.opProperties(): + if not hasattr(obj, nm): + obj.addProperty(prtyp, nm, grp, tt) + missing.append(nm) + if warn: + newPropMsg = translate('PathWaterline', 'New property added to') + ' "{}": '.format(obj.Label) + nm + '. ' + newPropMsg += translate('PathWaterline', 'Check its default value.') + PathLog.warning(newPropMsg) + + # Set enumeration lists for enumeration properties + if len(missing) > 0: + ENUMS = self.propertyEnumerations() + for n in ENUMS: + if n in missing: + setattr(obj, n, ENUMS[n]) + + self.addedAllProperties = True + + def opProperties(self): + '''opProperties() ... return list of tuples containing operation specific properties''' + return [ + ("App::PropertyBool", "ShowTempObjects", "Debug", + QtCore.QT_TRANSLATE_NOOP("App::Property", "Show the temporary path construction objects when module is in DEBUG mode.")), + + ("App::PropertyDistance", "AngularDeflection", "Mesh Conversion", + QtCore.QT_TRANSLATE_NOOP("App::Property", "Smaller values yield a finer, more accurate the mesh. Smaller values increase processing time a lot.")), + ("App::PropertyDistance", "LinearDeflection", "Mesh Conversion", + QtCore.QT_TRANSLATE_NOOP("App::Property", "Smaller values yield a finer, more accurate the mesh. Smaller values do not increase processing time much.")), + + ("App::PropertyInteger", "AvoidLastX_Faces", "Selected Geometry Settings", + QtCore.QT_TRANSLATE_NOOP("App::Property", "Avoid cutting the last 'N' faces in the Base Geometry list of selected faces.")), + ("App::PropertyBool", "AvoidLastX_InternalFeatures", "Selected Geometry Settings", + QtCore.QT_TRANSLATE_NOOP("App::Property", "Do not cut internal features on avoided faces.")), + ("App::PropertyDistance", "BoundaryAdjustment", "Selected Geometry Settings", + QtCore.QT_TRANSLATE_NOOP("App::Property", "Positive values push the cutter toward, or beyond, the boundary. Negative values retract the cutter away from the boundary.")), + ("App::PropertyBool", "BoundaryEnforcement", "Selected Geometry Settings", + QtCore.QT_TRANSLATE_NOOP("App::Property", "If true, the cutter will remain inside the boundaries of the model or selected face(s).")), + ("App::PropertyEnumeration", "HandleMultipleFeatures", "Selected Geometry Settings", + QtCore.QT_TRANSLATE_NOOP("App::Property", "Choose how to process multiple Base Geometry features.")), + ("App::PropertyDistance", "InternalFeaturesAdjustment", "Selected Geometry Settings", + QtCore.QT_TRANSLATE_NOOP("App::Property", "Positive values push the cutter toward, or into, the feature. Negative values retract the cutter away from the feature.")), + ("App::PropertyBool", "InternalFeaturesCut", "Selected Geometry Settings", + QtCore.QT_TRANSLATE_NOOP("App::Property", "Ignore internal feature areas within a larger selected face.")), + + ("App::PropertyEnumeration", "Algorithm", "Clearing Options", + QtCore.QT_TRANSLATE_NOOP("App::Property", "Select the algorithm to use: OCL Dropcutter*, or Experimental (Not OCL based).")), + ("App::PropertyEnumeration", "BoundBox", "Clearing Options", + QtCore.QT_TRANSLATE_NOOP("App::Property", "Select the overall boundary for the operation.")), + ("App::PropertyEnumeration", "ClearLastLayer", "Clearing Options", + QtCore.QT_TRANSLATE_NOOP("App::Property", "Set to clear last layer in a `Multi-pass` operation.")), + ("App::PropertyEnumeration", "CutMode", "Clearing Options", + QtCore.QT_TRANSLATE_NOOP("App::Property", "Set the direction for the cutting tool to engage the material: Climb (ClockWise) or Conventional (CounterClockWise)")), + ("App::PropertyEnumeration", "CutPattern", "Clearing Options", + QtCore.QT_TRANSLATE_NOOP("App::Property", "Set the geometric clearing pattern to use for the operation.")), + ("App::PropertyFloat", "CutPatternAngle", "Clearing Options", + QtCore.QT_TRANSLATE_NOOP("App::Property", "The yaw angle used for certain clearing patterns")), + ("App::PropertyBool", "CutPatternReversed", "Clearing Options", + QtCore.QT_TRANSLATE_NOOP("App::Property", "Reverse the cut order of the stepover paths. For circular cut patterns, begin at the outside and work toward the center.")), + ("App::PropertyDistance", "DepthOffset", "Clearing Options", + QtCore.QT_TRANSLATE_NOOP("App::Property", "Set the Z-axis depth offset from the target surface.")), + ("App::PropertyDistance", "IgnoreOuterAbove", "Clearing Options", + QtCore.QT_TRANSLATE_NOOP("App::Property", "Ignore outer waterlines above this height.")), + ("App::PropertyEnumeration", "LayerMode", "Clearing Options", + QtCore.QT_TRANSLATE_NOOP("App::Property", "Complete the operation in a single pass at depth, or mulitiple passes to final depth.")), + ("App::PropertyVectorDistance", "PatternCenterCustom", "Clearing Options", + QtCore.QT_TRANSLATE_NOOP("App::Property", "Set the start point for the cut pattern.")), + ("App::PropertyEnumeration", "PatternCenterAt", "Clearing Options", + QtCore.QT_TRANSLATE_NOOP("App::Property", "Choose location of the center point for starting the cut pattern.")), + ("App::PropertyDistance", "SampleInterval", "Clearing Options", + QtCore.QT_TRANSLATE_NOOP("App::Property", "Set the sampling resolution. Smaller values quickly increase processing time.")), + ("App::PropertyPercent", "StepOver", "Clearing Options", + QtCore.QT_TRANSLATE_NOOP("App::Property", "Set the stepover percentage, based on the tool's diameter.")), + + ("App::PropertyBool", "OptimizeLinearPaths", "Optimization", + QtCore.QT_TRANSLATE_NOOP("App::Property", "Enable optimization of linear paths (co-linear points). Removes unnecessary co-linear points from G-Code output.")), + ("App::PropertyBool", "OptimizeStepOverTransitions", "Optimization", + QtCore.QT_TRANSLATE_NOOP("App::Property", "Enable separate optimization of transitions between, and breaks within, each step over path.")), + ("App::PropertyDistance", "GapThreshold", "Optimization", + QtCore.QT_TRANSLATE_NOOP("App::Property", "Collinear and co-radial artifact gaps that are smaller than this threshold are closed in the path.")), + ("App::PropertyString", "GapSizes", "Optimization", + QtCore.QT_TRANSLATE_NOOP("App::Property", "Feedback: three smallest gaps identified in the path geometry.")), + + ("App::PropertyVectorDistance", "StartPoint", "Start Point", + QtCore.QT_TRANSLATE_NOOP("App::Property", "The custom start point for the path of this operation")), + ("App::PropertyBool", "UseStartPoint", "Start Point", + QtCore.QT_TRANSLATE_NOOP("App::Property", "Make True, if specifying a Start Point")) + ] + + def propertyEnumerations(self): + # Enumeration lists for App::PropertyEnumeration properties + return { + 'Algorithm': ['OCL Dropcutter', 'Experimental'], + 'BoundBox': ['BaseBoundBox', 'Stock'], + 'PatternCenterAt': ['CenterOfMass', 'CenterOfBoundBox', 'XminYmin', 'Custom'], + 'ClearLastLayer': ['Off', 'Line', 'Circular', 'CircularZigZag', 'Offset', 'Spiral', 'ZigZag'], + 'CutMode': ['Conventional', 'Climb'], + 'CutPattern': ['None', 'Line', 'Circular', 'CircularZigZag', 'Offset', 'Spiral', 'ZigZag'], # Additional goals ['Offset', 'Spiral', 'ZigZagOffset', 'Grid', 'Triangle'] + 'HandleMultipleFeatures': ['Collectively', 'Individually'], + 'LayerMode': ['Single-pass', 'Multi-pass'], + } + + def setEditorProperties(self, obj): + # Used to hide inputs in properties list + expMode = G = 0 + show = hide = A = B = C = 2 + if hasattr(obj, 'EnableRotation'): + obj.setEditorMode('EnableRotation', hide) + + obj.setEditorMode('BoundaryEnforcement', hide) + obj.setEditorMode('InternalFeaturesAdjustment', hide) + obj.setEditorMode('InternalFeaturesCut', hide) + obj.setEditorMode('AvoidLastX_Faces', hide) + obj.setEditorMode('AvoidLastX_InternalFeatures', hide) + obj.setEditorMode('BoundaryAdjustment', hide) + obj.setEditorMode('HandleMultipleFeatures', hide) + obj.setEditorMode('OptimizeLinearPaths', hide) + obj.setEditorMode('OptimizeStepOverTransitions', hide) + obj.setEditorMode('GapThreshold', hide) + obj.setEditorMode('GapSizes', hide) + + if obj.Algorithm == 'OCL Dropcutter': + pass + elif obj.Algorithm == 'Experimental': + A = B = C = 0 + expMode = G = show = hide = 2 + + cutPattern = obj.CutPattern + if obj.ClearLastLayer != 'Off': + cutPattern = obj.ClearLastLayer + + if cutPattern == 'None': + show = hide = A = 2 + elif cutPattern in ['Line', 'ZigZag']: + show = 0 + elif cutPattern in ['Circular', 'CircularZigZag']: + show = 2 # hide + hide = 0 # show + elif cutPattern == 'Spiral': + G = hide = 0 + + obj.setEditorMode('CutPatternAngle', show) + obj.setEditorMode('PatternCenterAt', hide) + obj.setEditorMode('PatternCenterCustom', hide) + obj.setEditorMode('CutPatternReversed', A) + + obj.setEditorMode('ClearLastLayer', C) + obj.setEditorMode('StepOver', B) + obj.setEditorMode('IgnoreOuterAbove', B) + obj.setEditorMode('CutPattern', C) + obj.setEditorMode('SampleInterval', G) + obj.setEditorMode('LinearDeflection', expMode) + obj.setEditorMode('AngularDeflection', expMode) + + def onChanged(self, obj, prop): + if hasattr(self, 'addedAllProperties'): + if self.addedAllProperties is True: + if prop in ['Algorithm', 'CutPattern']: + self.setEditorProperties(obj) + + def opOnDocumentRestored(self, obj): + self.initOpProperties(obj, warn=True) + + if PathLog.getLevel(PathLog.thisModule()) != 4: + obj.setEditorMode('ShowTempObjects', 2) # hide + else: + obj.setEditorMode('ShowTempObjects', 0) # show + + # Repopulate enumerations in case of changes + ENUMS = self.propertyEnumerations() + for n in ENUMS: + restore = False + if hasattr(obj, n): + val = obj.getPropertyByName(n) + restore = True + setattr(obj, n, ENUMS[n]) + if restore: + setattr(obj, n, val) + + self.setEditorProperties(obj) + + def opSetDefaultValues(self, obj, job): + '''opSetDefaultValues(obj, job) ... initialize defaults''' + job = PathUtils.findParentJob(obj) + + obj.OptimizeLinearPaths = True + obj.InternalFeaturesCut = True + obj.OptimizeStepOverTransitions = False + obj.BoundaryEnforcement = True + obj.UseStartPoint = False + obj.AvoidLastX_InternalFeatures = True + obj.CutPatternReversed = False + obj.IgnoreOuterAbove = obj.StartDepth.Value + 0.00001 + obj.StartPoint = FreeCAD.Vector(0.0, 0.0, obj.ClearanceHeight.Value) + obj.Algorithm = 'OCL Dropcutter' + obj.LayerMode = 'Single-pass' + obj.CutMode = 'Conventional' + obj.CutPattern = 'None' + obj.HandleMultipleFeatures = 'Collectively' # 'Individually' + obj.PatternCenterAt = 'CenterOfMass' # 'CenterOfBoundBox', 'XminYmin', 'Custom' + obj.GapSizes = 'No gaps identified.' + obj.ClearLastLayer = 'Off' + obj.StepOver = 100 + obj.CutPatternAngle = 0.0 + obj.DepthOffset.Value = 0.0 + obj.SampleInterval.Value = 1.0 + obj.BoundaryAdjustment.Value = 0.0 + obj.InternalFeaturesAdjustment.Value = 0.0 + obj.AvoidLastX_Faces = 0 + obj.PatternCenterCustom = FreeCAD.Vector(0.0, 0.0, 0.0) + obj.GapThreshold.Value = 0.005 + obj.LinearDeflection.Value = 0.0001 + obj.AngularDeflection.Value = 0.25 + # For debugging + obj.ShowTempObjects = False + + # need to overwrite the default depth calculations for facing + d = None + if job: + if job.Stock: + d = PathUtils.guessDepths(job.Stock.Shape, None) + obj.IgnoreOuterAbove = job.Stock.Shape.BoundBox.ZMax + 0.000001 + PathLog.debug("job.Stock exists") + else: + PathLog.debug("job.Stock NOT exist") + else: + PathLog.debug("job NOT exist") + + if d is not None: + obj.OpFinalDepth.Value = d.final_depth + obj.OpStartDepth.Value = d.start_depth + else: + obj.OpFinalDepth.Value = -10 + obj.OpStartDepth.Value = 10 + + PathLog.debug('Default OpFinalDepth: {}'.format(obj.OpFinalDepth.Value)) + PathLog.debug('Defualt OpStartDepth: {}'.format(obj.OpStartDepth.Value)) + + def opApplyPropertyLimits(self, obj): + '''opApplyPropertyLimits(obj) ... Apply necessary limits to user input property values before performing main operation.''' + # Limit sample interval + if obj.SampleInterval.Value < 0.0001: + obj.SampleInterval.Value = 0.0001 + PathLog.error(translate('PathWaterline', 'Sample interval limits are 0.0001 to 25.4 millimeters.')) + if obj.SampleInterval.Value > 25.4: + obj.SampleInterval.Value = 25.4 + PathLog.error(translate('PathWaterline', 'Sample interval limits are 0.0001 to 25.4 millimeters.')) + + # Limit cut pattern angle + if obj.CutPatternAngle < -360.0: + obj.CutPatternAngle = 0.0 + PathLog.error(translate('PathWaterline', 'Cut pattern angle limits are +-360 degrees.')) + if obj.CutPatternAngle >= 360.0: + obj.CutPatternAngle = 0.0 + PathLog.error(translate('PathWaterline', 'Cut pattern angle limits are +- 360 degrees.')) + + # Limit StepOver to natural number percentage + if obj.StepOver > 100: + obj.StepOver = 100 + if obj.StepOver < 1: + obj.StepOver = 1 + + # Limit AvoidLastX_Faces to zero and positive values + if obj.AvoidLastX_Faces < 0: + obj.AvoidLastX_Faces = 0 + PathLog.error(translate('PathWaterline', 'AvoidLastX_Faces: Only zero or positive values permitted.')) + if obj.AvoidLastX_Faces > 100: + obj.AvoidLastX_Faces = 100 + PathLog.error(translate('PathWaterline', 'AvoidLastX_Faces: Avoid last X faces count limited to 100.')) + + def opExecute(self, obj): + '''opExecute(obj) ... process surface operation''' + PathLog.track() + + self.modelSTLs = list() + self.safeSTLs = list() + self.modelTypes = list() + self.boundBoxes = list() + self.profileShapes = list() + self.collectiveShapes = list() + self.individualShapes = list() + self.avoidShapes = list() + self.geoTlrnc = None + self.tempGroup = None + self.CutClimb = False + self.closedGap = False + self.tmpCOM = None + self.gaps = [0.1, 0.2, 0.3] + CMDS = list() + modelVisibility = list() + FCAD = FreeCAD.ActiveDocument + + try: + dotIdx = __name__.index('.') + 1 + except Exception: + dotIdx = 0 + self.module = __name__[dotIdx:] + + # make circle for workplane + self.wpc = Part.makeCircle(2.0) + + # Set debugging behavior + self.showDebugObjects = False # Set to true if you want a visual DocObjects created for some path construction objects + self.showDebugObjects = obj.ShowTempObjects + deleteTempsFlag = True # Set to False for debugging + if PathLog.getLevel(PathLog.thisModule()) == 4: + deleteTempsFlag = False + else: + self.showDebugObjects = False + + # mark beginning of operation and identify parent Job + PathLog.info('\nBegin Waterline operation...') + startTime = time.time() + + # Identify parent Job + JOB = PathUtils.findParentJob(obj) + if JOB is None: + PathLog.error(translate('PathWaterline', "No JOB")) + return + self.stockZMin = JOB.Stock.Shape.BoundBox.ZMin + + # set cut mode; reverse as needed + if obj.CutMode == 'Climb': + self.CutClimb = True + if obj.CutPatternReversed is True: + if self.CutClimb is True: + self.CutClimb = False + else: + self.CutClimb = True + + # Begin GCode for operation with basic information + # ... and move cutter to clearance height and startpoint + output = '' + if obj.Comment != '': + self.commandlist.append(Path.Command('N ({})'.format(str(obj.Comment)), {})) + self.commandlist.append(Path.Command('N ({})'.format(obj.Label), {})) + self.commandlist.append(Path.Command('N (Tool type: {})'.format(str(obj.ToolController.Tool.ToolType)), {})) + self.commandlist.append(Path.Command('N (Compensated Tool Path. Diameter: {})'.format(str(obj.ToolController.Tool.Diameter)), {})) + self.commandlist.append(Path.Command('N (Sample interval: {})'.format(str(obj.SampleInterval.Value)), {})) + self.commandlist.append(Path.Command('N (Step over %: {})'.format(str(obj.StepOver)), {})) + self.commandlist.append(Path.Command('N ({})'.format(output), {})) + self.commandlist.append(Path.Command('G0', {'Z': obj.ClearanceHeight.Value, 'F': self.vertRapid})) + if obj.UseStartPoint: + self.commandlist.append(Path.Command('G0', {'X': obj.StartPoint.x, 'Y': obj.StartPoint.y, 'F': self.horizRapid})) + + # Instantiate additional class operation variables + self.resetOpVariables() + + # Impose property limits + self.opApplyPropertyLimits(obj) + + # Create temporary group for temporary objects, removing existing + # if self.showDebugObjects is True: + tempGroupName = 'tempPathWaterlineGroup' + if FCAD.getObject(tempGroupName): + for to in FCAD.getObject(tempGroupName).Group: + FCAD.removeObject(to.Name) + FCAD.removeObject(tempGroupName) # remove temp directory if already exists + if FCAD.getObject(tempGroupName + '001'): + for to in FCAD.getObject(tempGroupName + '001').Group: + FCAD.removeObject(to.Name) + FCAD.removeObject(tempGroupName + '001') # remove temp directory if already exists + tempGroup = FCAD.addObject('App::DocumentObjectGroup', tempGroupName) + tempGroupName = tempGroup.Name + self.tempGroup = tempGroup + tempGroup.purgeTouched() + # Add temp object to temp group folder with following code: + # ... self.tempGroup.addObject(OBJ) + + # Setup cutter for OCL and cutout value for operation - based on tool controller properties + self.cutter = self.setOclCutter(obj) + if self.cutter is False: + PathLog.error(translate('PathWaterline', "Canceling Waterline operation. Error creating OCL cutter.")) + return + self.toolDiam = self.cutter.getDiameter() + self.radius = self.toolDiam / 2.0 + self.cutOut = (self.toolDiam * (float(obj.StepOver) / 100.0)) + self.gaps = [self.toolDiam, self.toolDiam, self.toolDiam] + + # Get height offset values for later use + self.SafeHeightOffset = JOB.SetupSheet.SafeHeightOffset.Value + self.ClearHeightOffset = JOB.SetupSheet.ClearanceHeightOffset.Value + + # Set deflection values for mesh generation + useDGT = False + try: # try/except is for Path Jobs created before GeometryTolerance + self.geoTlrnc = JOB.GeometryTolerance.Value + if self.geoTlrnc == 0.0: + useDGT = True + except AttributeError as ee: + PathLog.warning('{}\nPlease set Job.GeometryTolerance to an acceptable value. Using PathPreferences.defaultGeometryTolerance().'.format(ee)) + useDGT = True + if useDGT: + import PathScripts.PathPreferences as PathPreferences + self.geoTlrnc = PathPreferences.defaultGeometryTolerance() + + # Calculate default depthparams for operation + self.depthParams = PathUtils.depth_params(obj.ClearanceHeight.Value, obj.SafeHeight.Value, obj.StartDepth.Value, obj.StepDown.Value, 0.0, obj.FinalDepth.Value) + self.midDep = (obj.StartDepth.Value + obj.FinalDepth.Value) / 2.0 + + # Save model visibilities for restoration + if FreeCAD.GuiUp: + for m in range(0, len(JOB.Model.Group)): + mNm = JOB.Model.Group[m].Name + modelVisibility.append(FreeCADGui.ActiveDocument.getObject(mNm).Visibility) + + # Setup STL, model type, and bound box containers for each model in Job + for m in range(0, len(JOB.Model.Group)): + M = JOB.Model.Group[m] + self.modelSTLs.append(False) + self.safeSTLs.append(False) + self.profileShapes.append(False) + # Set bound box + if obj.BoundBox == 'BaseBoundBox': + if M.TypeId.startswith('Mesh'): + self.modelTypes.append('M') # Mesh + self.boundBoxes.append(M.Mesh.BoundBox) + else: + self.modelTypes.append('S') # Solid + self.boundBoxes.append(M.Shape.BoundBox) + elif obj.BoundBox == 'Stock': + self.modelTypes.append('S') # Solid + self.boundBoxes.append(JOB.Stock.Shape.BoundBox) + + # ###### MAIN COMMANDS FOR OPERATION ###### + + # Begin processing obj.Base data and creating GCode + PSF = PathSurfaceSupport.ProcessSelectedFaces(JOB, obj) + PSF.setShowDebugObjects(tempGroup, self.showDebugObjects) + PSF.radius = self.radius + PSF.depthParams = self.depthParams + pPM = PSF.preProcessModel(self.module) + # Process selected faces, if available + if pPM is False: + PathLog.error('Unable to pre-process obj.Base.') + else: + (FACES, VOIDS) = pPM + self.modelSTLs = PSF.modelSTLs + self.profileShapes = PSF.profileShapes + + # Create OCL.stl model objects + if obj.Algorithm == 'OCL Dropcutter': + self._prepareModelSTLs(JOB, obj) + PathLog.debug('obj.LinearDeflection.Value: {}'.format(obj.LinearDeflection.Value)) + PathLog.debug('obj.AngularDeflection.Value: {}'.format(obj.AngularDeflection.Value)) + + for m in range(0, len(JOB.Model.Group)): + Mdl = JOB.Model.Group[m] + if FACES[m] is False: + PathLog.error('No data for model base: {}'.format(JOB.Model.Group[m].Label)) + else: + if m > 0: + # Raise to clearance between models + CMDS.append(Path.Command('N (Transition to base: {}.)'.format(Mdl.Label))) + CMDS.append(Path.Command('G0', {'Z': obj.ClearanceHeight.Value, 'F': self.vertRapid})) + PathLog.info('Working on Model.Group[{}]: {}'.format(m, Mdl.Label)) + # make stock-model-voidShapes STL model for avoidance detection on transitions + if obj.Algorithm == 'OCL Dropcutter': + self._makeSafeSTL(JOB, obj, m, FACES[m], VOIDS[m]) + # Process model/faces - OCL objects must be ready + CMDS.extend(self._processWaterlineAreas(JOB, obj, m, FACES[m], VOIDS[m])) + + # Save gcode produced + self.commandlist.extend(CMDS) + + # ###### CLOSING COMMANDS FOR OPERATION ###### + + # Delete temporary objects + # Restore model visibilities for restoration + if FreeCAD.GuiUp: + FreeCADGui.ActiveDocument.getObject(tempGroupName).Visibility = False + for m in range(0, len(JOB.Model.Group)): + M = JOB.Model.Group[m] + M.Visibility = modelVisibility[m] + + if deleteTempsFlag is True: + for to in tempGroup.Group: + if hasattr(to, 'Group'): + for go in to.Group: + FCAD.removeObject(go.Name) + FCAD.removeObject(to.Name) + FCAD.removeObject(tempGroupName) + else: + if len(tempGroup.Group) == 0: + FCAD.removeObject(tempGroupName) + else: + tempGroup.purgeTouched() + + # Provide user feedback for gap sizes + gaps = list() + for g in self.gaps: + if g != self.toolDiam: + gaps.append(g) + if len(gaps) > 0: + obj.GapSizes = '{} mm'.format(gaps) + else: + if self.closedGap is True: + obj.GapSizes = 'Closed gaps < Gap Threshold.' + else: + obj.GapSizes = 'No gaps identified.' + + # clean up class variables + self.resetOpVariables() + self.deleteOpVariables() + + self.modelSTLs = None + self.safeSTLs = None + self.modelTypes = None + self.boundBoxes = None + self.gaps = None + self.closedGap = None + self.SafeHeightOffset = None + self.ClearHeightOffset = None + self.depthParams = None + self.midDep = None + del self.modelSTLs + del self.safeSTLs + del self.modelTypes + del self.boundBoxes + del self.gaps + del self.closedGap + del self.SafeHeightOffset + del self.ClearHeightOffset + del self.depthParams + del self.midDep + + execTime = time.time() - startTime + PathLog.info('Operation time: {} sec.'.format(execTime)) + + return True + + # Methods for constructing the cut area + def _prepareModelSTLs(self, JOB, obj): + PathLog.debug('_prepareModelSTLs()') + for m in range(0, len(JOB.Model.Group)): + M = JOB.Model.Group[m] + + # PathLog.debug(f" -self.modelTypes[{m}] == 'M'") + if self.modelTypes[m] == 'M': + # TODO: test if this works + facets = M.Mesh.Facets.Points + else: + facets = Part.getFacets(M.Shape) + + if self.modelSTLs[m] is True: + stl = ocl.STLSurf() + + for tri in facets: + t = ocl.Triangle(ocl.Point(tri[0][0], tri[0][1], tri[0][2]), + ocl.Point(tri[1][0], tri[1][1], tri[1][2]), + ocl.Point(tri[2][0], tri[2][1], tri[2][2])) + stl.addTriangle(t) + self.modelSTLs[m] = stl + return + + def _makeSafeSTL(self, JOB, obj, mdlIdx, faceShapes, voidShapes): + '''_makeSafeSTL(JOB, obj, mdlIdx, faceShapes, voidShapes)... + Creates and OCL.stl object with combined data with waste stock, + model, and avoided faces. Travel lines can be checked against this + STL object to determine minimum travel height to clear stock and model.''' + PathLog.debug('_makeSafeSTL()') + + fuseShapes = list() + Mdl = JOB.Model.Group[mdlIdx] + mBB = Mdl.Shape.BoundBox + sBB = JOB.Stock.Shape.BoundBox + + # add Model shape to safeSTL shape + fuseShapes.append(Mdl.Shape) + + if obj.BoundBox == 'BaseBoundBox': + cont = False + extFwd = (sBB.ZLength) + zmin = mBB.ZMin + zmax = mBB.ZMin + extFwd + stpDwn = (zmax - zmin) / 4.0 + dep_par = PathUtils.depth_params(zmax + 5.0, zmax + 3.0, zmax, stpDwn, 0.0, zmin) + + try: + envBB = PathUtils.getEnvelope(partshape=Mdl.Shape, depthparams=dep_par) # Produces .Shape + cont = True + except Exception as ee: + PathLog.error(str(ee)) + shell = Mdl.Shape.Shells[0] + solid = Part.makeSolid(shell) + try: + envBB = PathUtils.getEnvelope(partshape=solid, depthparams=dep_par) # Produces .Shape + cont = True + except Exception as eee: + PathLog.error(str(eee)) + + if cont: + stckWst = JOB.Stock.Shape.cut(envBB) + if obj.BoundaryAdjustment > 0.0: + cmpndFS = Part.makeCompound(faceShapes) + baBB = PathUtils.getEnvelope(partshape=cmpndFS, depthparams=self.depthParams) # Produces .Shape + adjStckWst = stckWst.cut(baBB) + else: + adjStckWst = stckWst + fuseShapes.append(adjStckWst) + else: + PathLog.warning('Path transitions might not avoid the model. Verify paths.') + else: + # If boundbox is Job.Stock, add hidden pad under stock as base plate + toolDiam = self.cutter.getDiameter() + zMin = JOB.Stock.Shape.BoundBox.ZMin + xMin = JOB.Stock.Shape.BoundBox.XMin - toolDiam + yMin = JOB.Stock.Shape.BoundBox.YMin - toolDiam + bL = JOB.Stock.Shape.BoundBox.XLength + (2 * toolDiam) + bW = JOB.Stock.Shape.BoundBox.YLength + (2 * toolDiam) + bH = 1.0 + crnr = FreeCAD.Vector(xMin, yMin, zMin - 1.0) + B = Part.makeBox(bL, bW, bH, crnr, FreeCAD.Vector(0, 0, 1)) + fuseShapes.append(B) + + if voidShapes is not False: + voidComp = Part.makeCompound(voidShapes) + voidEnv = PathUtils.getEnvelope(partshape=voidComp, depthparams=self.depthParams) # Produces .Shape + fuseShapes.append(voidEnv) + + fused = Part.makeCompound(fuseShapes) + + if self.showDebugObjects is True: + T = FreeCAD.ActiveDocument.addObject('Part::Feature', 'safeSTLShape') + T.Shape = fused + T.purgeTouched() + self.tempGroup.addObject(T) + + facets = Part.getFacets(fused) + + stl = ocl.STLSurf() + for tri in facets: + t = ocl.Triangle(ocl.Point(tri[0][0], tri[0][1], tri[0][2]), + ocl.Point(tri[1][0], tri[1][1], tri[1][2]), + ocl.Point(tri[2][0], tri[2][1], tri[2][2])) + stl.addTriangle(t) + + self.safeSTLs[mdlIdx] = stl + + def _processWaterlineAreas(self, JOB, obj, mdlIdx, FCS, VDS): + '''_processWaterlineAreas(JOB, obj, mdlIdx, FCS, VDS)... + This method applies any avoided faces or regions to the selected faces. + It then calls the correct method.''' + PathLog.debug('_processWaterlineAreas()') + + final = list() + + # Process faces Collectively or Individually + if obj.HandleMultipleFeatures == 'Collectively': + if FCS is True: + COMP = False + else: + ADD = Part.makeCompound(FCS) + if VDS is not False: + DEL = Part.makeCompound(VDS) + COMP = ADD.cut(DEL) + else: + COMP = ADD + + final.append(Path.Command('G0', {'Z': obj.SafeHeight.Value, 'F': self.vertRapid})) + if obj.Algorithm == 'OCL Dropcutter': + final.extend(self._oclWaterlineOp(JOB, obj, mdlIdx, COMP)) # independent method set for Waterline + else: + final.extend(self._experimentalWaterlineOp(JOB, obj, mdlIdx, COMP)) # independent method set for Waterline + + elif obj.HandleMultipleFeatures == 'Individually': + for fsi in range(0, len(FCS)): + fShp = FCS[fsi] + # self.deleteOpVariables(all=False) + self.resetOpVariables(all=False) + + if fShp is True: + COMP = False + else: + ADD = Part.makeCompound([fShp]) + if VDS is not False: + DEL = Part.makeCompound(VDS) + COMP = ADD.cut(DEL) + else: + COMP = ADD + + final.append(Path.Command('G0', {'Z': obj.SafeHeight.Value, 'F': self.vertRapid})) + if obj.Algorithm == 'OCL Dropcutter': + final.extend(self._oclWaterlineOp(JOB, obj, mdlIdx, COMP)) # independent method set for Waterline + else: + final.extend(self._experimentalWaterlineOp(JOB, obj, mdlIdx, COMP)) # independent method set for Waterline + COMP = None + # Eif + + return final + + # Methods for creating path geometry + def _getExperimentalWaterlinePaths(self, PNTSET, csHght, cutPattern): + '''_getExperimentalWaterlinePaths(PNTSET, csHght, cutPattern)... + Switching function for calling the appropriate path-geometry to OCL points conversion function + for the various cut patterns.''' + PathLog.debug('_getExperimentalWaterlinePaths()') + SCANS = list() + + if cutPattern in ['Line', 'Spiral']: + stpOvr = list() + for D in PNTSET: + for SEG in D: + if SEG == 'BRK': + stpOvr.append(SEG) + else: + # D format is ((p1, p2), (p3, p4)) + (A, B) = SEG + P1 = FreeCAD.Vector(A[0], A[1], csHght) + P2 = FreeCAD.Vector(B[0], B[1], csHght) + stpOvr.append((P1, P2)) + SCANS.append(stpOvr) + stpOvr = list() + elif cutPattern == 'ZigZag': + stpOvr = list() + for (dirFlg, LNS) in PNTSET: + for SEG in LNS: + if SEG == 'BRK': + stpOvr.append(SEG) + else: + # D format is ((p1, p2), (p3, p4)) + (A, B) = SEG + P1 = FreeCAD.Vector(A[0], A[1], csHght) + P2 = FreeCAD.Vector(B[0], B[1], csHght) + stpOvr.append((P1, P2)) + SCANS.append(stpOvr) + stpOvr = list() + elif cutPattern in ['Circular', 'CircularZigZag']: + # PNTSET is list, by stepover. + # Each stepover is a list containing arc/loop descriptions, (sp, ep, cp) + for so in range(0, len(PNTSET)): + stpOvr = list() + erFlg = False + (aTyp, dirFlg, ARCS) = PNTSET[so] + + if dirFlg == 1: # 1 + cMode = True # Climb mode + else: + cMode = False + + for a in range(0, len(ARCS)): + Arc = ARCS[a] + if Arc == 'BRK': + stpOvr.append('BRK') + else: + (sp, ep, cp) = Arc + S = FreeCAD.Vector(sp[0], sp[1], csHght) + E = FreeCAD.Vector(ep[0], ep[1], csHght) + C = FreeCAD.Vector(cp[0], cp[1], csHght) + scan = (S, E, C, cMode) + if scan is False: + erFlg = True + else: + ##if aTyp == 'L': + ## stpOvr.append(FreeCAD.Vector(scan[0][0].x, scan[0][0].y, scan[0][0].z)) + stpOvr.append(scan) + if erFlg is False: + SCANS.append(stpOvr) + + return SCANS + + # Main planar scan functions + def _stepTransitionCmds(self, obj, cutPattern, lstPnt, first, minSTH, tolrnc): + cmds = list() + rtpd = False + horizGC = 'G0' + hSpeed = self.horizRapid + height = obj.SafeHeight.Value + + if cutPattern in ['Line', 'Circular', 'Spiral']: + if obj.OptimizeStepOverTransitions is True: + height = minSTH + 2.0 + # if obj.LayerMode == 'Multi-pass': + # rtpd = minSTH + elif cutPattern in ['ZigZag', 'CircularZigZag']: + if obj.OptimizeStepOverTransitions is True: + zChng = first.z - lstPnt.z + # PathLog.debug('first.z: {}'.format(first.z)) + # PathLog.debug('lstPnt.z: {}'.format(lstPnt.z)) + # PathLog.debug('zChng: {}'.format(zChng)) + # PathLog.debug('minSTH: {}'.format(minSTH)) + if abs(zChng) < tolrnc: # transitions to same Z height + # PathLog.debug('abs(zChng) < tolrnc') + if (minSTH - first.z) > tolrnc: + # PathLog.debug('(minSTH - first.z) > tolrnc') + height = minSTH + 2.0 + else: + # PathLog.debug('ELSE (minSTH - first.z) > tolrnc') + horizGC = 'G1' + height = first.z + elif (minSTH + (2.0 * tolrnc)) >= max(first.z, lstPnt.z): + height = False # allow end of Zig to cut to beginning of Zag + + + # Create raise, shift, and optional lower commands + if height is not False: + cmds.append(Path.Command('G0', {'Z': height, 'F': self.vertRapid})) + cmds.append(Path.Command(horizGC, {'X': first.x, 'Y': first.y, 'F': hSpeed})) + if rtpd is not False: # ReturnToPreviousDepth + cmds.append(Path.Command('G0', {'Z': rtpd, 'F': self.vertRapid})) + + return cmds + + def _breakCmds(self, obj, cutPattern, lstPnt, first, minSTH, tolrnc): + cmds = list() + rtpd = False + horizGC = 'G0' + hSpeed = self.horizRapid + height = obj.SafeHeight.Value + + if cutPattern in ['Line', 'Circular', 'Spiral']: + if obj.OptimizeStepOverTransitions is True: + height = minSTH + 2.0 + elif cutPattern in ['ZigZag', 'CircularZigZag']: + if obj.OptimizeStepOverTransitions is True: + zChng = first.z - lstPnt.z + if abs(zChng) < tolrnc: # transitions to same Z height + if (minSTH - first.z) > tolrnc: + height = minSTH + 2.0 + else: + height = first.z + 2.0 # first.z + + cmds.append(Path.Command('G0', {'Z': height, 'F': self.vertRapid})) + cmds.append(Path.Command(horizGC, {'X': first.x, 'Y': first.y, 'F': hSpeed})) + if rtpd is not False: # ReturnToPreviousDepth + cmds.append(Path.Command('G0', {'Z': rtpd, 'F': self.vertRapid})) + + return cmds + + def _planarGetPDC(self, stl, finalDep, SampleInterval, cutter): + pdc = ocl.PathDropCutter() # create a pdc [PathDropCutter] object + pdc.setSTL(stl) # add stl model + pdc.setCutter(cutter) # add cutter + pdc.setZ(finalDep) # set minimumZ (final / target depth value) + pdc.setSampling(SampleInterval) # set sampling size + return pdc + + # OCL Dropcutter waterline functions + def _oclWaterlineOp(self, JOB, obj, mdlIdx, subShp=None): + '''_oclWaterlineOp(obj, base) ... Main waterline function to perform waterline extraction from model.''' + commands = [] + + base = JOB.Model.Group[mdlIdx] + bb = self.boundBoxes[mdlIdx] + stl = self.modelSTLs[mdlIdx] + depOfst = obj.DepthOffset.Value + + # Prepare global holdpoint and layerEndPnt containers + if self.holdPoint is None: + self.holdPoint = FreeCAD.Vector(0.0, 0.0, 0.0) + if self.layerEndPnt is None: + self.layerEndPnt = FreeCAD.Vector(0.0, 0.0, 0.0) + + # Set extra offset to diameter of cutter to allow cutter to move around perimeter of model + toolDiam = self.cutter.getDiameter() + + if subShp is None: + # Get correct boundbox + if obj.BoundBox == 'Stock': + BS = JOB.Stock + bb = BS.Shape.BoundBox + elif obj.BoundBox == 'BaseBoundBox': + BS = base + bb = base.Shape.BoundBox + + xmin = bb.XMin + xmax = bb.XMax + ymin = bb.YMin + ymax = bb.YMax + else: + xmin = subShp.BoundBox.XMin + xmax = subShp.BoundBox.XMax + ymin = subShp.BoundBox.YMin + ymax = subShp.BoundBox.YMax + + smplInt = obj.SampleInterval.Value + minSampInt = 0.001 # value is mm + if smplInt < minSampInt: + smplInt = minSampInt + + # Determine bounding box length for the OCL scan + bbLength = math.fabs(ymax - ymin) + numScanLines = int(math.ceil(bbLength / smplInt) + 1) # Number of lines + + # Compute number and size of stepdowns, and final depth + if obj.LayerMode == 'Single-pass': + depthparams = [obj.FinalDepth.Value] + else: + depthparams = [dp for dp in self.depthParams] + lenDP = len(depthparams) + + # Scan the piece to depth at smplInt + oclScan = [] + oclScan = self._waterlineDropCutScan(stl, smplInt, xmin, xmax, ymin, depthparams[lenDP - 1], numScanLines) + oclScan = [FreeCAD.Vector(P.x, P.y, P.z + depOfst) for P in oclScan] + lenOS = len(oclScan) + ptPrLn = int(lenOS / numScanLines) + + # Convert oclScan list of points to multi-dimensional list + scanLines = [] + for L in range(0, numScanLines): + scanLines.append([]) + for P in range(0, ptPrLn): + pi = L * ptPrLn + P + scanLines[L].append(oclScan[pi]) + lenSL = len(scanLines) + pntsPerLine = len(scanLines[0]) + PathLog.debug("--OCL scan: " + str(lenSL * pntsPerLine) + " points, with " + str(numScanLines) + " lines and " + str(pntsPerLine) + " pts/line") + + # Extract Wl layers per depthparams + lyr = 0 + cmds = [] + layTime = time.time() + self.topoMap = [] + for layDep in depthparams: + cmds = self._getWaterline(obj, scanLines, layDep, lyr, lenSL, pntsPerLine) + commands.extend(cmds) + lyr += 1 + PathLog.debug("--All layer scans combined took " + str(time.time() - layTime) + " s") + return commands + + def _waterlineDropCutScan(self, stl, smplInt, xmin, xmax, ymin, fd, numScanLines): + '''_waterlineDropCutScan(stl, smplInt, xmin, xmax, ymin, fd, numScanLines) ... + Perform OCL scan for waterline purpose.''' + pdc = ocl.PathDropCutter() # create a pdc + pdc.setSTL(stl) + pdc.setCutter(self.cutter) + pdc.setZ(fd) # set minimumZ (final / target depth value) + pdc.setSampling(smplInt) + + # Create line object as path + path = ocl.Path() # create an empty path object + for nSL in range(0, numScanLines): + yVal = ymin + (nSL * smplInt) + p1 = ocl.Point(xmin, yVal, fd) # start-point of line + p2 = ocl.Point(xmax, yVal, fd) # end-point of line + path.append(ocl.Line(p1, p2)) + # path.append(l) # add the line to the path + pdc.setPath(path) + pdc.run() # run drop-cutter on the path + + # return the list of points + return pdc.getCLPoints() + + def _getWaterline(self, obj, scanLines, layDep, lyr, lenSL, pntsPerLine): + '''_getWaterline(obj, scanLines, layDep, lyr, lenSL, pntsPerLine) ... Get waterline.''' + commands = [] + cmds = [] + loopList = [] + self.topoMap = [] + # Create topo map from scanLines (highs and lows) + self.topoMap = self._createTopoMap(scanLines, layDep, lenSL, pntsPerLine) + # Add buffer lines and columns to topo map + self._bufferTopoMap(lenSL, pntsPerLine) + # Identify layer waterline from OCL scan + self._highlightWaterline(4, 9) + # Extract waterline and convert to gcode + loopList = self._extractWaterlines(obj, scanLines, lyr, layDep) + # save commands + for loop in loopList: + cmds = self._loopToGcode(obj, layDep, loop) + commands.extend(cmds) + return commands + + def _createTopoMap(self, scanLines, layDep, lenSL, pntsPerLine): + '''_createTopoMap(scanLines, layDep, lenSL, pntsPerLine) ... Create topo map version of OCL scan data.''' + topoMap = [] + for L in range(0, lenSL): + topoMap.append([]) + for P in range(0, pntsPerLine): + if scanLines[L][P].z > layDep: + topoMap[L].append(2) + else: + topoMap[L].append(0) + return topoMap + + def _bufferTopoMap(self, lenSL, pntsPerLine): + '''_bufferTopoMap(lenSL, pntsPerLine) ... Add buffer boarder of zeros to all sides to topoMap data.''' + pre = [0, 0] + post = [0, 0] + for p in range(0, pntsPerLine): + pre.append(0) + post.append(0) + for l in range(0, lenSL): + self.topoMap[l].insert(0, 0) + self.topoMap[l].append(0) + self.topoMap.insert(0, pre) + self.topoMap.append(post) + return True + + def _highlightWaterline(self, extraMaterial, insCorn): + '''_highlightWaterline(extraMaterial, insCorn) ... Highlight the waterline data, separating from extra material.''' + TM = self.topoMap + lastPnt = len(TM[1]) - 1 + lastLn = len(TM) - 1 + highFlag = 0 + + # ("--Convert parallel data to ridges") + for lin in range(1, lastLn): + for pt in range(1, lastPnt): # Ignore first and last points + if TM[lin][pt] == 0: + if TM[lin][pt + 1] == 2: # step up + TM[lin][pt] = 1 + if TM[lin][pt - 1] == 2: # step down + TM[lin][pt] = 1 + + # ("--Convert perpendicular data to ridges and highlight ridges") + for pt in range(1, lastPnt): # Ignore first and last points + for lin in range(1, lastLn): + if TM[lin][pt] == 0: + highFlag = 0 + if TM[lin + 1][pt] == 2: # step up + TM[lin][pt] = 1 + if TM[lin - 1][pt] == 2: # step down + TM[lin][pt] = 1 + elif TM[lin][pt] == 2: + highFlag += 1 + if highFlag == 3: + if TM[lin - 1][pt - 1] < 2 or TM[lin - 1][pt + 1] < 2: + highFlag = 2 + else: + TM[lin - 1][pt] = extraMaterial + highFlag = 2 + + # ("--Square corners") + for pt in range(1, lastPnt): + for lin in range(1, lastLn): + if TM[lin][pt] == 1: # point == 1 + cont = True + if TM[lin + 1][pt] == 0: # forward == 0 + if TM[lin + 1][pt - 1] == 1: # forward left == 1 + if TM[lin][pt - 1] == 2: # left == 2 + TM[lin + 1][pt] = 1 # square the corner + cont = False + + if cont is True and TM[lin + 1][pt + 1] == 1: # forward right == 1 + if TM[lin][pt + 1] == 2: # right == 2 + TM[lin + 1][pt] = 1 # square the corner + cont = True + + if TM[lin - 1][pt] == 0: # back == 0 + if TM[lin - 1][pt - 1] == 1: # back left == 1 + if TM[lin][pt - 1] == 2: # left == 2 + TM[lin - 1][pt] = 1 # square the corner + cont = False + + if cont is True and TM[lin - 1][pt + 1] == 1: # back right == 1 + if TM[lin][pt + 1] == 2: # right == 2 + TM[lin - 1][pt] = 1 # square the corner + + # remove inside corners + for pt in range(1, lastPnt): + for lin in range(1, lastLn): + if TM[lin][pt] == 1: # point == 1 + if TM[lin][pt + 1] == 1: + if TM[lin - 1][pt + 1] == 1 or TM[lin + 1][pt + 1] == 1: + TM[lin][pt + 1] = insCorn + elif TM[lin][pt - 1] == 1: + if TM[lin - 1][pt - 1] == 1 or TM[lin + 1][pt - 1] == 1: + TM[lin][pt - 1] = insCorn + + return True + + def _extractWaterlines(self, obj, oclScan, lyr, layDep): + '''_extractWaterlines(obj, oclScan, lyr, layDep) ... Extract water lines from OCL scan data.''' + srch = True + lastPnt = len(self.topoMap[0]) - 1 + lastLn = len(self.topoMap) - 1 + maxSrchs = 5 + srchCnt = 1 + loopList = [] + loop = [] + loopNum = 0 + + if self.CutClimb is True: + lC = [-1, -1, -1, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 1, 1, 0] + pC = [-1, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 1, 1, 0, -1, -1] + else: + lC = [1, 1, 1, 0, -1, -1, -1, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 1, 1, 0, -1, -1, -1, 0] + pC = [-1, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 1, 1, 0, -1, -1] + + while srch is True: + srch = False + if srchCnt > maxSrchs: + PathLog.debug("Max search scans, " + str(maxSrchs) + " reached\nPossible incomplete waterline result!") + break + for L in range(1, lastLn): + for P in range(1, lastPnt): + if self.topoMap[L][P] == 1: + # start loop follow + srch = True + loopNum += 1 + loop = self._trackLoop(oclScan, lC, pC, L, P, loopNum) + self.topoMap[L][P] = 0 # Mute the starting point + loopList.append(loop) + srchCnt += 1 + PathLog.debug("Search count for layer " + str(lyr) + " is " + str(srchCnt) + ", with " + str(loopNum) + " loops.") + return loopList + + def _trackLoop(self, oclScan, lC, pC, L, P, loopNum): + '''_trackLoop(oclScan, lC, pC, L, P, loopNum) ... Track the loop direction.''' + loop = [oclScan[L - 1][P - 1]] # Start loop point list + cur = [L, P, 1] + prv = [L, P - 1, 1] + nxt = [L, P + 1, 1] + follow = True + ptc = 0 + ptLmt = 200000 + while follow is True: + ptc += 1 + if ptc > ptLmt: + PathLog.debug("Loop number " + str(loopNum) + " at [" + str(nxt[0]) + ", " + str(nxt[1]) + "] pnt count exceeds, " + str(ptLmt) + ". Stopped following loop.") + break + nxt = self._findNextWlPoint(lC, pC, cur[0], cur[1], prv[0], prv[1]) # get next point + loop.append(oclScan[nxt[0] - 1][nxt[1] - 1]) # add it to loop point list + self.topoMap[nxt[0]][nxt[1]] = nxt[2] # Mute the point, if not Y stem + if nxt[0] == L and nxt[1] == P: # check if loop complete + follow = False + elif nxt[0] == cur[0] and nxt[1] == cur[1]: # check if line cannot be detected + follow = False + prv = cur + cur = nxt + return loop + + def _findNextWlPoint(self, lC, pC, cl, cp, pl, pp): + '''_findNextWlPoint(lC, pC, cl, cp, pl, pp) ... + Find the next waterline point in the point cloud layer provided.''' + dl = cl - pl + dp = cp - pp + num = 0 + i = 3 + s = 0 + mtch = 0 + found = False + while mtch < 8: # check all 8 points around current point + if lC[i] == dl: + if pC[i] == dp: + s = i - 3 + found = True + # Check for y branch where current point is connection between branches + for y in range(1, mtch): + if lC[i + y] == dl: + if pC[i + y] == dp: + num = 1 + break + break + i += 1 + mtch += 1 + if found is False: + # ("_findNext: No start point found.") + return [cl, cp, num] + + for r in range(0, 8): + l = cl + lC[s + r] + p = cp + pC[s + r] + if self.topoMap[l][p] == 1: + return [l, p, num] + + # ("_findNext: No next pnt found") + return [cl, cp, num] + + def _loopToGcode(self, obj, layDep, loop): + '''_loopToGcode(obj, layDep, loop) ... Convert set of loop points to Gcode.''' + # generate the path commands + output = [] + + prev = FreeCAD.Vector(2135984513.165, -58351896873.17455, 13838638431.861) + nxt = FreeCAD.Vector(0.0, 0.0, 0.0) + + # Create first point + pnt = FreeCAD.Vector(loop[0].x, loop[0].y, layDep) + + # Position cutter to begin loop + output.append(Path.Command('G0', {'Z': obj.ClearanceHeight.Value, 'F': self.vertRapid})) + output.append(Path.Command('G0', {'X': pnt.x, 'Y': pnt.y, 'F': self.horizRapid})) + output.append(Path.Command('G1', {'Z': pnt.z, 'F': self.vertFeed})) + + lenCLP = len(loop) + lastIdx = lenCLP - 1 + # Cycle through each point on loop + for i in range(0, lenCLP): + if i < lastIdx: + nxt.x = loop[i + 1].x + nxt.y = loop[i + 1].y + nxt.z = layDep + + output.append(Path.Command('G1', {'X': pnt.x, 'Y': pnt.y, 'F': self.horizFeed})) + + # Rotate point data + prev = pnt + pnt = nxt + + # Save layer end point for use in transitioning to next layer + self.layerEndPnt = pnt + + return output + + # Experimental waterline functions + def _experimentalWaterlineOp(self, JOB, obj, mdlIdx, subShp=None): + '''_waterlineOp(JOB, obj, mdlIdx, subShp=None) ... + Main waterline function to perform waterline extraction from model.''' + PathLog.debug('_experimentalWaterlineOp()') + + commands = [] + t_begin = time.time() + base = JOB.Model.Group[mdlIdx] + # bb = self.boundBoxes[mdlIdx] + # stl = self.modelSTLs[mdlIdx] + # safeSTL = self.safeSTLs[mdlIdx] + self.endVector = None + + finDep = obj.FinalDepth.Value + (self.geoTlrnc / 10.0) + depthParams = PathUtils.depth_params(obj.ClearanceHeight.Value, obj.SafeHeight.Value, obj.StartDepth.Value, obj.StepDown.Value, 0.0, finDep) + + # Compute number and size of stepdowns, and final depth + if obj.LayerMode == 'Single-pass': + depthparams = [finDep] + else: + depthparams = [dp for dp in depthParams] + PathLog.debug('Experimental Waterline depthparams:\n{}'.format(depthparams)) + + # Prepare PathDropCutter objects with STL data + # safePDC = self._planarGetPDC(safeSTL, depthparams[lenDP - 1], obj.SampleInterval.Value, self.cutter) + + buffer = self.cutter.getDiameter() * 10.0 + borderFace = Part.Face(self._makeExtendedBoundBox(JOB.Stock.Shape.BoundBox, buffer, 0.0)) + + # Get correct boundbox + if obj.BoundBox == 'Stock': + stockEnv = PathSurfaceSupport.getShapeEnvelope(JOB.Stock.Shape) + bbFace = PathSurfaceSupport.getCrossSection(stockEnv) # returned at Z=0.0 + elif obj.BoundBox == 'BaseBoundBox': + baseEnv = PathSurfaceSupport.getShapeEnvelope(base.Shape) + bbFace = PathSurfaceSupport.getCrossSection(baseEnv) # returned at Z=0.0 + + trimFace = borderFace.cut(bbFace) + if self.showDebugObjects is True: + TF = FreeCAD.ActiveDocument.addObject('Part::Feature', 'trimFace') + TF.Shape = trimFace + TF.purgeTouched() + self.tempGroup.addObject(TF) + + # Cycle through layer depths + CUTAREAS = self._getCutAreas(base.Shape, depthparams, bbFace, trimFace, borderFace) + if not CUTAREAS: + PathLog.error('No cross-section cut areas identified.') + return commands + + caCnt = 0 + ofst = obj.BoundaryAdjustment.Value + ofst -= self.radius # (self.radius + (tolrnc / 10.0)) + caLen = len(CUTAREAS) + lastCA = caLen - 1 + lastClearArea = None + lastCsHght = None + clearLastLayer = True + for ca in range(0, caLen): + area = CUTAREAS[ca] + csHght = area.BoundBox.ZMin + csHght += obj.DepthOffset.Value + cont = False + caCnt += 1 + if area.Area > 0.0: + cont = True + caWireCnt = len(area.Wires) - 1 # first wire is boundFace wire + if self.showDebugObjects: + CA = FreeCAD.ActiveDocument.addObject('Part::Feature', 'cutArea_{}'.format(caCnt)) + CA.Shape = area + CA.purgeTouched() + self.tempGroup.addObject(CA) + else: + data = FreeCAD.Units.Quantity(csHght, FreeCAD.Units.Length).UserString + PathLog.debug('Cut area at {} is zero.'.format(data)) + + # get offset wire(s) based upon cross-section cut area + if cont: + area.translate(FreeCAD.Vector(0.0, 0.0, 0.0 - area.BoundBox.ZMin)) + activeArea = area.cut(trimFace) + activeAreaWireCnt = len(activeArea.Wires) # first wire is boundFace wire + if self.showDebugObjects: + CA = FreeCAD.ActiveDocument.addObject('Part::Feature', 'activeArea_{}'.format(caCnt)) + CA.Shape = activeArea + CA.purgeTouched() + self.tempGroup.addObject(CA) + ofstArea = PathSurfaceSupport.extractFaceOffset(activeArea, ofst, self.wpc, makeComp=False) + if not ofstArea: + data = FreeCAD.Units.Quantity(csHght, FreeCAD.Units.Length).UserString + PathLog.debug('No offset area returned for cut area depth at {}.'.format(data)) + cont = False + + if cont: + # Identify solid areas in the offset data + ofstSolidFacesList = self._getSolidAreasFromPlanarFaces(ofstArea) + if ofstSolidFacesList: + clearArea = Part.makeCompound(ofstSolidFacesList) + if self.showDebugObjects is True: + CA = FreeCAD.ActiveDocument.addObject('Part::Feature', 'clearArea_{}'.format(caCnt)) + CA.Shape = clearArea + CA.purgeTouched() + self.tempGroup.addObject(CA) + else: + cont = False + data = FreeCAD.Units.Quantity(csHght, FreeCAD.Units.Length).UserString + PathLog.error('Could not determine solid faces at {}.'.format(data)) + + if cont: + # Make waterline path for current CUTAREA depth (csHght) + commands.extend(self._wiresToWaterlinePath(obj, clearArea, csHght)) + clearArea.translate(FreeCAD.Vector(0.0, 0.0, 0.0 - clearArea.BoundBox.ZMin)) + lastClearArea = clearArea + lastCsHght = csHght + + # Clear layer as needed + (clrLyr, clearLastLayer) = self._clearLayer(obj, ca, lastCA, clearLastLayer) + if clrLyr == 'Offset': + commands.extend(self._makeOffsetLayerPaths(obj, clearArea, csHght)) + elif clrLyr: + cutPattern = obj.CutPattern + if clearLastLayer is False: + cutPattern = obj.ClearLastLayer + commands.extend(self._makeCutPatternLayerPaths(JOB, obj, clearArea, csHght, cutPattern)) + # Efor + + if clearLastLayer: + (clrLyr, cLL) = self._clearLayer(obj, 1, 1, False) + lastClearArea.translate(FreeCAD.Vector(0.0, 0.0, 0.0 - lastClearArea.BoundBox.ZMin)) + if clrLyr == 'Offset': + commands.extend(self._makeOffsetLayerPaths(obj, lastClearArea, lastCsHght)) + elif clrLyr: + commands.extend(self._makeCutPatternLayerPaths(JOB, obj, lastClearArea, lastCsHght, obj.ClearLastLayer)) + + PathLog.info("Waterline: All layer scans combined took " + str(time.time() - t_begin) + " s") + return commands + + def _getCutAreas(self, shape, depthparams, bbFace, trimFace, borderFace): + '''_getCutAreas(JOB, shape, depthparams, bbFace, borderFace) ... + Takes shape, depthparams and base-envelope-cross-section, and + returns a list of cut areas - one for each depth.''' + PathLog.debug('_getCutAreas()') + + CUTAREAS = list() + isFirst = True + lenDP = len(depthparams) + + # Cycle through layer depths + for dp in range(0, lenDP): + csHght = depthparams[dp] + # PathLog.debug('Depth {} is {}'.format(dp + 1, csHght)) + + # Get slice at depth of shape + csFaces = self._getModelCrossSection(shape, csHght) # returned at Z=0.0 + if not csFaces: + data = FreeCAD.Units.Quantity(csHght, FreeCAD.Units.Length).UserString + else: + if len(csFaces) > 0: + useFaces = self._getSolidAreasFromPlanarFaces(csFaces) + else: + useFaces = False + + if useFaces: + compAdjFaces = Part.makeCompound(useFaces) + + if self.showDebugObjects is True: + CA = FreeCAD.ActiveDocument.addObject('Part::Feature', 'tmpSolids_{}'.format(dp + 1)) + CA.Shape = compAdjFaces + CA.purgeTouched() + self.tempGroup.addObject(CA) + + if isFirst: + allPrevComp = compAdjFaces + cutArea = borderFace.cut(compAdjFaces) + else: + preCutArea = borderFace.cut(compAdjFaces) + cutArea = preCutArea.cut(allPrevComp) # cut out higher layers to avoid cutting recessed areas + allPrevComp = allPrevComp.fuse(compAdjFaces) + cutArea.translate(FreeCAD.Vector(0.0, 0.0, csHght - cutArea.BoundBox.ZMin)) + CUTAREAS.append(cutArea) + isFirst = False + else: + PathLog.error('No waterline at depth: {} mm.'.format(csHght)) + # Efor + + if len(CUTAREAS) > 0: + return CUTAREAS + + return False + + def _wiresToWaterlinePath(self, obj, ofstPlnrShp, csHght): + PathLog.debug('_wiresToWaterlinePath()') + commands = list() + + # Translate path geometry to layer height + ofstPlnrShp.translate(FreeCAD.Vector(0.0, 0.0, csHght - ofstPlnrShp.BoundBox.ZMin)) + if self.showDebugObjects is True: + OA = FreeCAD.ActiveDocument.addObject('Part::Feature', 'waterlinePathArea_{}'.format(round(csHght, 2))) + OA.Shape = ofstPlnrShp + OA.purgeTouched() + self.tempGroup.addObject(OA) + + commands.append(Path.Command('N (Cut Area {}.)'.format(round(csHght, 2)))) + start = 1 + if csHght < obj.IgnoreOuterAbove: + start = 0 + for w in range(start, len(ofstPlnrShp.Wires)): + wire = ofstPlnrShp.Wires[w] + V = wire.Vertexes + if obj.CutMode == 'Climb': + lv = len(V) - 1 + startVect = FreeCAD.Vector(V[lv].X, V[lv].Y, V[lv].Z) + else: + startVect = FreeCAD.Vector(V[0].X, V[0].Y, V[0].Z) + + commands.append(Path.Command('N (Wire {}.)'.format(w))) + (cmds, endVect) = self._wireToPath(obj, wire, startVect) + commands.extend(cmds) + commands.append(Path.Command('G0', {'Z': obj.SafeHeight.Value, 'F': self.vertRapid})) + + return commands + + def _makeCutPatternLayerPaths(self, JOB, obj, clrAreaShp, csHght, cutPattern): + PathLog.debug('_makeCutPatternLayerPaths()') + commands = [] + + clrAreaShp.translate(FreeCAD.Vector(0.0, 0.0, 0.0 - clrAreaShp.BoundBox.ZMin)) + + # Convert pathGeom to gcode more efficiently + if cutPattern == 'Offset': + commands.extend(self._makeOffsetLayerPaths(obj, clrAreaShp, csHght)) + else: + # Request path geometry from external support class + PGG = PathSurfaceSupport.PathGeometryGenerator(obj, clrAreaShp, cutPattern) + if self.showDebugObjects: + PGG.setDebugObjectsGroup(self.tempGroup) + self.tmpCOM = PGG.getCenterOfPattern() + pathGeom = PGG.generatePathGeometry() + if not pathGeom: + PathLog.warning('No path geometry generated.') + return commands + pathGeom.translate(FreeCAD.Vector(0.0, 0.0, csHght - pathGeom.BoundBox.ZMin)) + + if self.showDebugObjects is True: + OA = FreeCAD.ActiveDocument.addObject('Part::Feature', 'pathGeom_{}'.format(round(csHght, 2))) + OA.Shape = pathGeom + OA.purgeTouched() + self.tempGroup.addObject(OA) + + if cutPattern == 'Line': + pntSet = PathSurfaceSupport.pathGeomToLinesPointSet(obj, pathGeom, self.CutClimb, self.toolDiam, self.closedGap, self.gaps) + elif cutPattern == 'ZigZag': + pntSet = PathSurfaceSupport.pathGeomToZigzagPointSet(obj, pathGeom, self.CutClimb, self.toolDiam, self.closedGap, self.gaps) + elif cutPattern in ['Circular', 'CircularZigZag']: + pntSet = PathSurfaceSupport.pathGeomToCircularPointSet(obj, pathGeom, self.CutClimb, self.toolDiam, self.closedGap, self.gaps, self.tmpCOM) + elif cutPattern == 'Spiral': + pntSet = PathSurfaceSupport.pathGeomToSpiralPointSet(obj, pathGeom) + + stpOVRS = self._getExperimentalWaterlinePaths(pntSet, csHght, cutPattern) + safePDC = False + cmds = self._clearGeomToPaths(JOB, obj, safePDC, stpOVRS, cutPattern) + commands.extend(cmds) + + return commands + + def _makeOffsetLayerPaths(self, obj, clrAreaShp, csHght): + PathLog.debug('_makeOffsetLayerPaths()') + cmds = list() + ofst = 0.0 - self.cutOut + shape = clrAreaShp + cont = True + cnt = 0 + while cont: + ofstArea = PathSurfaceSupport.extractFaceOffset(shape, ofst, self.wpc, makeComp=True) + if not ofstArea: + break + for F in ofstArea.Faces: + cmds.extend(self._wiresToWaterlinePath(obj, F, csHght)) + shape = ofstArea + if cnt == 0: + ofst = 0.0 - self.cutOut + cnt += 1 + return cmds + + def _clearGeomToPaths(self, JOB, obj, safePDC, stpOVRS, cutPattern): + PathLog.debug('_clearGeomToPaths()') + + GCODE = [Path.Command('N (Beginning of Single-pass layer.)', {})] + tolrnc = JOB.GeometryTolerance.Value + lenstpOVRS = len(stpOVRS) + lstSO = lenstpOVRS - 1 + lstStpOvr = False + gDIR = ['G3', 'G2'] + + if self.CutClimb is True: + gDIR = ['G2', 'G3'] + + # Send cutter to x,y position of first point on first line + first = stpOVRS[0][0][0] # [step][item][point] + GCODE.append(Path.Command('G0', {'X': first.x, 'Y': first.y, 'F': self.horizRapid})) + + # Cycle through step-over sections (line segments or arcs) + odd = True + lstStpEnd = None + for so in range(0, lenstpOVRS): + cmds = list() + PRTS = stpOVRS[so] + lenPRTS = len(PRTS) + first = PRTS[0][0] # first point of arc/line stepover group + last = None + cmds.append(Path.Command('N (Begin step {}.)'.format(so), {})) + if so == lstSO: + lstStpOvr = True + + if so > 0: + if cutPattern == 'CircularZigZag': + if odd: + odd = False + else: + odd = True + # minTrnsHght = self._getMinSafeTravelHeight(safePDC, lstStpEnd, first) # Check safe travel height against fullSTL + minTrnsHght = obj.SafeHeight.Value + # cmds.append(Path.Command('N (Transition: last, first: {}, {}: minSTH: {})'.format(lstStpEnd, first, minTrnsHght), {})) + cmds.extend(self._stepTransitionCmds(obj, cutPattern, lstStpEnd, first, minTrnsHght, tolrnc)) + + # Cycle through current step-over parts + for i in range(0, lenPRTS): + prt = PRTS[i] + # PathLog.debug('prt: {}'.format(prt)) + if prt == 'BRK': + nxtStart = PRTS[i + 1][0] + # minSTH = self._getMinSafeTravelHeight(safePDC, last, nxtStart) # Check safe travel height against fullSTL + minSTH = obj.SafeHeight.Value + cmds.append(Path.Command('N (Break)', {})) + cmds.extend(self._breakCmds(obj, cutPattern, last, nxtStart, minSTH, tolrnc)) + else: + cmds.append(Path.Command('N (part {}.)'.format(i + 1), {})) + if cutPattern in ['Line', 'ZigZag', 'Spiral']: + start, last = prt + cmds.append(Path.Command('G1', {'X': start.x, 'Y': start.y, 'Z': start.z, 'F': self.horizFeed})) + cmds.append(Path.Command('G1', {'X': last.x, 'Y': last.y, 'F': self.horizFeed})) + elif cutPattern in ['Circular', 'CircularZigZag']: + # isCircle = True if lenPRTS == 1 else False + isZigZag = True if cutPattern == 'CircularZigZag' else False + PathLog.debug('so, isZigZag, odd, cMode: {}, {}, {}, {}'.format(so, isZigZag, odd, prt[3])) + gcode = self._makeGcodeArc(prt, gDIR, odd, isZigZag) + cmds.extend(gcode) + cmds.append(Path.Command('N (End of step {}.)'.format(so), {})) + GCODE.extend(cmds) # save line commands + lstStpEnd = last + # Efor + + # Raise to safe height after clearing + GCODE.append(Path.Command('G0', {'Z': obj.SafeHeight.Value, 'F': self.vertRapid})) + + return GCODE + + def _getSolidAreasFromPlanarFaces(self, csFaces): + PathLog.debug('_getSolidAreasFromPlanarFaces()') + holds = list() + useFaces = list() + lenCsF = len(csFaces) + PathLog.debug('lenCsF: {}'.format(lenCsF)) + + if lenCsF == 1: + useFaces = csFaces + else: + fIds = list() + aIds = list() + pIds = list() + cIds = list() + + for af in range(0, lenCsF): + fIds.append(af) # face ids + aIds.append(af) # face ids + pIds.append(-1) # parent ids + cIds.append(False) # cut ids + holds.append(False) + + while len(fIds) > 0: + li = fIds.pop() + low = csFaces[li] # senior face + pIds = self._idInternalFeature(csFaces, fIds, pIds, li, low) + + for af in range(lenCsF - 1, -1, -1): # cycle from last item toward first + prnt = pIds[af] + if prnt == -1: + stack = -1 + else: + stack = [af] + # get_face_ids_to_parent + stack.insert(0, prnt) + nxtPrnt = pIds[prnt] + # find af value for nxtPrnt + while nxtPrnt != -1: + stack.insert(0, nxtPrnt) + nxtPrnt = pIds[nxtPrnt] + cIds[af] = stack + + for af in range(0, lenCsF): + pFc = cIds[af] + if pFc == -1: + # Simple, independent region + holds[af] = csFaces[af] # place face in hold + else: + # Compound region + cnt = len(pFc) + if cnt % 2.0 == 0.0: + # even is donut cut + inr = pFc[cnt - 1] + otr = pFc[cnt - 2] + holds[otr] = holds[otr].cut(csFaces[inr]) + else: + # odd is floating solid + holds[af] = csFaces[af] + + for af in range(0, lenCsF): + if holds[af]: + useFaces.append(holds[af]) # save independent solid + # Eif + + if len(useFaces) > 0: + return useFaces + + return False + + def _getModelCrossSection(self, shape, csHght): + PathLog.debug('getCrossSection()') + wires = list() + + def byArea(fc): + return fc.Area + + for i in shape.slice(FreeCAD.Vector(0, 0, 1), csHght): + wires.append(i) + + if len(wires) > 0: + for w in wires: + if w.isClosed() is False: + return False + FCS = list() + for w in wires: + w.translate(FreeCAD.Vector(0.0, 0.0, 0.0 - w.BoundBox.ZMin)) + FCS.append(Part.Face(w)) + FCS.sort(key=byArea, reverse=True) + return FCS + else: + PathLog.debug(' -No wires from .slice() method') + + return False + + def _isInBoundBox(self, outShp, inShp): + obb = outShp.BoundBox + ibb = inShp.BoundBox + + if obb.XMin < ibb.XMin: + if obb.XMax > ibb.XMax: + if obb.YMin < ibb.YMin: + if obb.YMax > ibb.YMax: + return True + return False + + def _idInternalFeature(self, csFaces, fIds, pIds, li, low): + Ids = list() + for i in fIds: + Ids.append(i) + while len(Ids) > 0: + hi = Ids.pop() + high = csFaces[hi] + if self._isInBoundBox(high, low): + cmn = high.common(low) + if cmn.Area > 0.0: + pIds[li] = hi + break + + return pIds + + def _wireToPath(self, obj, wire, startVect): + '''_wireToPath(obj, wire, startVect) ... wire to path.''' + PathLog.track() + + paths = [] + pathParams = {} # pylint: disable=assignment-from-no-return + + pathParams['shapes'] = [wire] + pathParams['feedrate'] = self.horizFeed + pathParams['feedrate_v'] = self.vertFeed + pathParams['verbose'] = True + pathParams['resume_height'] = obj.SafeHeight.Value + pathParams['retraction'] = obj.ClearanceHeight.Value + pathParams['return_end'] = True + # Note that emitting preambles between moves breaks some dressups and prevents path optimization on some controllers + pathParams['preamble'] = False + pathParams['start'] = startVect + + (pp, end_vector) = Path.fromShapes(**pathParams) + paths.extend(pp.Commands) + + self.endVector = end_vector # pylint: disable=attribute-defined-outside-init + + return (paths, end_vector) + + def _makeExtendedBoundBox(self, wBB, bbBfr, zDep): + pl = FreeCAD.Placement() + pl.Rotation = FreeCAD.Rotation(FreeCAD.Vector(0, 0, 1), 0) + pl.Base = FreeCAD.Vector(0, 0, 0) + + p1 = FreeCAD.Vector(wBB.XMin - bbBfr, wBB.YMin - bbBfr, zDep) + p2 = FreeCAD.Vector(wBB.XMax + bbBfr, wBB.YMin - bbBfr, zDep) + p3 = FreeCAD.Vector(wBB.XMax + bbBfr, wBB.YMax + bbBfr, zDep) + p4 = FreeCAD.Vector(wBB.XMin - bbBfr, wBB.YMax + bbBfr, zDep) + bb = Part.makePolygon([p1, p2, p3, p4, p1]) + + return bb + + def _makeGcodeArc(self, prt, gDIR, odd, isZigZag): + cmds = list() + strtPnt, endPnt, cntrPnt, cMode = prt + gdi = 0 + if odd: + gdi = 1 + else: + if not cMode and isZigZag: + gdi = 1 + gCmd = gDIR[gdi] + + # ijk = self.tmpCOM - strtPnt + # ijk = self.tmpCOM.sub(strtPnt) # vector from start to center + ijk = cntrPnt.sub(strtPnt) # vector from start to center + xyz = endPnt + cmds.append(Path.Command('G1', {'X': strtPnt.x, 'Y': strtPnt.y, 'Z': strtPnt.z, 'F': self.horizFeed})) + cmds.append(Path.Command(gCmd, {'X': xyz.x, 'Y': xyz.y, 'Z': xyz.z, + 'I': ijk.x, 'J': ijk.y, 'K': ijk.z, # leave same xyz.z height + 'F': self.horizFeed})) + cmds.append(Path.Command('G1', {'X': endPnt.x, 'Y': endPnt.y, 'Z': endPnt.z, 'F': self.horizFeed})) + + return cmds + + def _clearLayer(self, obj, ca, lastCA, clearLastLayer): + PathLog.debug('_clearLayer()') + clrLyr = False + + if obj.ClearLastLayer == 'Off': + if obj.CutPattern != 'None': + clrLyr = obj.CutPattern + else: + obj.CutPattern = 'None' + if ca == lastCA: # if current iteration is last layer + PathLog.debug('... Clearing bottom layer.') + clrLyr = obj.ClearLastLayer + clearLastLayer = False + + return (clrLyr, clearLastLayer) + + # Support methods + def resetOpVariables(self, all=True): + '''resetOpVariables() ... Reset class variables used for instance of operation.''' + self.holdPoint = None + self.layerEndPnt = None + self.onHold = False + self.SafeHeightOffset = 2.0 + self.ClearHeightOffset = 4.0 + self.layerEndzMax = 0.0 + self.resetTolerance = 0.0 + self.holdPntCnt = 0 + self.bbRadius = 0.0 + self.axialFeed = 0.0 + self.axialRapid = 0.0 + self.FinalDepth = 0.0 + self.clearHeight = 0.0 + self.safeHeight = 0.0 + self.faceZMax = -999999999999.0 + if all is True: + self.cutter = None + self.stl = None + self.fullSTL = None + self.cutOut = 0.0 + self.radius = 0.0 + self.useTiltCutter = False + return True + + def deleteOpVariables(self, all=True): + '''deleteOpVariables() ... Reset class variables used for instance of operation.''' + del self.holdPoint + del self.layerEndPnt + del self.onHold + del self.SafeHeightOffset + del self.ClearHeightOffset + del self.layerEndzMax + del self.resetTolerance + del self.holdPntCnt + del self.bbRadius + del self.axialFeed + del self.axialRapid + del self.FinalDepth + del self.clearHeight + del self.safeHeight + del self.faceZMax + if all is True: + del self.cutter + del self.stl + del self.fullSTL + del self.cutOut + del self.radius + del self.useTiltCutter + return True + + def setOclCutter(self, obj, safe=False): + ''' setOclCutter(obj) ... Translation function to convert FreeCAD tool definition to OCL formatted tool. ''' + # Set cutter details + # https://www.freecadweb.org/api/dd/dfe/classPath_1_1Tool.html#details + diam_1 = float(obj.ToolController.Tool.Diameter) + lenOfst = obj.ToolController.Tool.LengthOffset if hasattr(obj.ToolController.Tool, 'LengthOffset') else 0 + FR = obj.ToolController.Tool.FlatRadius if hasattr(obj.ToolController.Tool, 'FlatRadius') else 0 + CEH = obj.ToolController.Tool.CuttingEdgeHeight if hasattr(obj.ToolController.Tool, 'CuttingEdgeHeight') else 0 + CEA = obj.ToolController.Tool.CuttingEdgeAngle if hasattr(obj.ToolController.Tool, 'CuttingEdgeAngle') else 0 + + # Make safeCutter with 2 mm buffer around physical cutter + if safe is True: + diam_1 += 4.0 + if FR != 0.0: + FR += 2.0 + + PathLog.debug('ToolType: {}'.format(obj.ToolController.Tool.ToolType)) + if obj.ToolController.Tool.ToolType == 'EndMill': + # Standard End Mill + return ocl.CylCutter(diam_1, (CEH + lenOfst)) + + elif obj.ToolController.Tool.ToolType == 'BallEndMill' and FR == 0.0: + # Standard Ball End Mill + # OCL -> BallCutter::BallCutter(diameter, length) + self.useTiltCutter = True + return ocl.BallCutter(diam_1, (diam_1 / 2 + lenOfst)) + + elif obj.ToolController.Tool.ToolType == 'BallEndMill' and FR > 0.0: + # Bull Nose or Corner Radius cutter + # Reference: https://www.fine-tools.com/halbstabfraeser.html + # OCL -> BallCutter::BallCutter(diameter, length) + return ocl.BullCutter(diam_1, FR, (CEH + lenOfst)) + + elif obj.ToolController.Tool.ToolType == 'Engraver' and FR > 0.0: + # Bull Nose or Corner Radius cutter + # Reference: https://www.fine-tools.com/halbstabfraeser.html + # OCL -> ConeCutter::ConeCutter(diameter, angle, lengthOffset) + return ocl.ConeCutter(diam_1, (CEA / 2), lenOfst) + + elif obj.ToolController.Tool.ToolType == 'ChamferMill': + # Bull Nose or Corner Radius cutter + # Reference: https://www.fine-tools.com/halbstabfraeser.html + # OCL -> ConeCutter::ConeCutter(diameter, angle, lengthOffset) + return ocl.ConeCutter(diam_1, (CEA / 2), lenOfst) + else: + # Default to standard end mill + PathLog.warning("Defaulting cutter to standard end mill.") + return ocl.CylCutter(diam_1, (CEH + lenOfst)) + + +def SetupProperties(): + ''' SetupProperties() ... Return list of properties required for operation.''' + setup = ['Algorithm', 'AvoidLastX_Faces', 'AvoidLastX_InternalFeatures', 'BoundBox'] + setup.extend(['BoundaryAdjustment', 'PatternCenterAt', 'PatternCenterCustom']) + setup.extend(['ClearLastLayer', 'InternalFeaturesCut', 'InternalFeaturesAdjustment']) + setup.extend(['CutMode', 'CutPattern', 'CutPatternAngle', 'CutPatternReversed']) + setup.extend(['DepthOffset', 'GapSizes', 'GapThreshold', 'StepOver']) + setup.extend(['HandleMultipleFeatures', 'LayerMode', 'OptimizeStepOverTransitions']) + setup.extend(['BoundaryEnforcement', 'SampleInterval', 'StartPoint', 'IgnoreOuterAbove']) + setup.extend(['UseStartPoint', 'AngularDeflection', 'LinearDeflection', 'ShowTempObjects']) + return setup + + +def Create(name, obj=None): + '''Create(name) ... Creates and returns a Waterline operation.''' + if obj is None: + obj = FreeCAD.ActiveDocument.addObject("Path::FeaturePython", name) + obj.Proxy = ObjectWaterline(obj, name) + return obj diff --git a/src/Mod/Path/PathScripts/PathWaterlineGui.py b/src/Mod/Path/PathScripts/PathWaterlineGui.py index eed15fc3d3..0616bbe6d2 100644 --- a/src/Mod/Path/PathScripts/PathWaterlineGui.py +++ b/src/Mod/Path/PathScripts/PathWaterlineGui.py @@ -90,6 +90,8 @@ class TaskPanelOpPage(PathOpGui.TaskPanelPage): else: self.form.optimizeEnabled.setCheckState(QtCore.Qt.Unchecked) + self.updateVisibility() + def getSignalsForUpdate(self, obj): '''getSignalsForUpdate(obj) ... return list of signals for updating obj''' signals = [] @@ -106,21 +108,32 @@ class TaskPanelOpPage(PathOpGui.TaskPanelPage): return signals def updateVisibility(self): - if self.form.algorithmSelect.currentText() == 'OCL Dropcutter': - self.form.cutPattern.setEnabled(False) - self.form.boundaryAdjustment.setEnabled(False) - self.form.stepOver.setEnabled(False) - self.form.sampleInterval.setEnabled(True) - self.form.optimizeEnabled.setEnabled(True) - else: - self.form.cutPattern.setEnabled(True) - self.form.boundaryAdjustment.setEnabled(True) + '''updateVisibility()... Updates visibility of Tasks panel objects.''' + Algorithm = self.form.algorithmSelect.currentText() + self.form.optimizeEnabled.hide() # Has no independent QLabel object + + if Algorithm == 'OCL Dropcutter': + self.form.cutPattern.hide() + self.form.cutPattern_label.hide() + self.form.boundaryAdjustment.hide() + self.form.boundaryAdjustment_label.hide() + self.form.stepOver.hide() + self.form.stepOver_label.hide() + self.form.sampleInterval.show() + self.form.sampleInterval_label.show() + elif Algorithm == 'Experimental': + self.form.cutPattern.show() + self.form.boundaryAdjustment.show() + self.form.cutPattern_label.show() + self.form.boundaryAdjustment_label.show() if self.form.cutPattern.currentText() == 'None': - self.form.stepOver.setEnabled(False) + self.form.stepOver.hide() + self.form.stepOver_label.hide() else: - self.form.stepOver.setEnabled(True) - self.form.sampleInterval.setEnabled(False) - self.form.optimizeEnabled.setEnabled(False) + self.form.stepOver.show() + self.form.stepOver_label.show() + self.form.sampleInterval.hide() + self.form.sampleInterval_label.hide() def registerSignalHandlers(self, obj): self.form.algorithmSelect.currentIndexChanged.connect(self.updateVisibility)