Merge branch 'master' into master

This commit is contained in:
sliptonic
2020-02-26 17:11:00 -06:00
committed by GitHub
28 changed files with 1095 additions and 62 deletions

View File

@@ -30,21 +30,17 @@ import PathScripts.PathUtils as PathUtils
import PathScripts.PathGeom as PathGeom
import Draft
import math
import Part
# from PathScripts.PathUtils import waiting_effects
from PySide import QtCore
if FreeCAD.GuiUp:
import FreeCADGui
__title__ = "Base class for PathArea based operations."
__author__ = "sliptonic (Brad Collette)"
__url__ = "http://www.freecadweb.org"
__doc__ = "Base class and properties for Path.Area based operations."
__contributors__ = "russ4262 (Russell Johnson)"
__createdDate__ = "2017"
__scriptVersion__ = "2p"
__lastModified__ = "2020-02-13 17:11 CST"
LOGLEVEL = PathLog.Level.INFO
PathLog.setLevel(LOGLEVEL, PathLog.thisModule())
@@ -53,8 +49,6 @@ if LOGLEVEL is PathLog.Level.DEBUG:
PathLog.trackModule()
# Qt translation handling
def translate(context, text, disambig=None):
return QtCore.QCoreApplication.translate(context, text, disambig)
@@ -286,6 +280,59 @@ class ObjectOp(PathOp.ObjectOp):
return pp, simobj
def _buildProfileOpenEdges(self, obj, baseShape, isHole, start, getsim):
'''_buildPathArea(obj, baseShape, isHole, start, getsim) ... internal function.'''
# pylint: disable=unused-argument
PathLog.track()
paths = []
heights = [i for i in self.depthparams]
PathLog.debug('depths: {}'.format(heights))
lstIdx = len(heights) - 1
for i in range(0, len(heights)):
hWire = Part.Wire(Part.__sortEdges__(baseShape.Edges))
hWire.translate(FreeCAD.Vector(0, 0, heights[i] - hWire.BoundBox.ZMin))
pathParams = {} # pylint: disable=assignment-from-no-return
pathParams['shapes'] = [hWire]
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
#if not self.areaOpRetractTool(obj):
# pathParams['threshold'] = 2.001 * self.radius
if self.endVector is None:
V = hWire.Wires[0].Vertexes
lv = len(V) - 1
pathParams['start'] = FreeCAD.Vector(V[0].X, V[0].Y, V[0].Z)
if obj.Direction == 'CCW':
pathParams['start'] = FreeCAD.Vector(V[lv].X, V[lv].Y, V[lv].Z)
else:
pathParams['start'] = self.endVector
obj.PathParams = str({key: value for key, value in pathParams.items() if key != 'shapes'})
PathLog.debug("Path with params: {}".format(obj.PathParams))
(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
simobj = None
if getsim and False:
areaParams['ToolRadius'] = self.radius - self.radius * .005
area.setParams(**areaParams)
sec = area.makeSections(mode=0, project=False, heights=heights)[-1].getShape()
simobj = sec.extrude(FreeCAD.Vector(0, 0, baseobject.BoundBox.ZMax))
return paths, simobj
def opExecute(self, obj, getsim=False): # pylint: disable=arguments-differ
'''opExecute(obj, getsim=False) ... implementation of Path.Area ops.
determines the parameters for _buildPathArea().
@@ -306,6 +353,7 @@ class ObjectOp(PathOp.ObjectOp):
self.tempObjectNames = [] # pylint: disable=attribute-defined-outside-init
self.stockBB = PathUtils.findParentJob(obj).Stock.Shape.BoundBox # pylint: disable=attribute-defined-outside-init
self.useTempJobClones('Delete') # Clear temporary group and recreate for temp job clones
self.profileEdgesIsOpen = False
if obj.EnableRotation != 'Off':
# Calculate operation heights based upon rotation radii
@@ -384,9 +432,13 @@ class ObjectOp(PathOp.ObjectOp):
shapes = [j['shape'] for j in jobs]
if self.profileEdgesIsOpen is True:
if PathOp.FeatureStartPoint & self.opFeatures(obj) and obj.UseStartPoint:
osp = obj.StartPoint
self.commandlist.append(Path.Command('G0', {'X': osp.x, 'Y': osp.y, 'F': self.horizRapid}))
sims = []
numShapes = len(shapes)
for ns in range(0, numShapes):
(shape, isHole, sub, angle, axis, strDep, finDep) = shapes[ns] # pylint: disable=unused-variable
if ns < numShapes - 1:
@@ -405,12 +457,18 @@ class ObjectOp(PathOp.ObjectOp):
user_depths=None)
try:
(pp, sim) = self._buildPathArea(obj, shape, isHole, start, getsim)
if self.profileEdgesIsOpen is True:
(pp, sim) = self._buildProfileOpenEdges(obj, shape, isHole, start, getsim)
else:
(pp, sim) = self._buildPathArea(obj, shape, isHole, start, getsim)
except Exception as e: # pylint: disable=broad-except
FreeCAD.Console.PrintError(e)
FreeCAD.Console.PrintError("Something unexpected happened. Check project and tool config.")
else:
ppCmds = pp.Commands
if self.profileEdgesIsOpen is True:
ppCmds = pp
else:
ppCmds = pp.Commands
if obj.EnableRotation != 'Off' and self.rotateFlag is True:
# Rotate model to index for cut
if axis == 'X':

View File

@@ -30,16 +30,19 @@ import PathScripts.PathOp as PathOp
import PathScripts.PathProfileBase as PathProfileBase
import PathScripts.PathUtils as PathUtils
from DraftGeomUtils import findWires
from PySide import QtCore
import DraftGeomUtils
import Draft
import math
import PySide
PathLog.setLevel(PathLog.Level.INFO, PathLog.thisModule())
#PathLog.trackModule(PathLog.thisModule())
# PathLog.trackModule(PathLog.thisModule())
# Qt translation handling
def translate(context, text, disambig=None):
return QtCore.QCoreApplication.translate(context, text, disambig)
return PySide.QtCore.QCoreApplication.translate(context, text, disambig)
__title__ = "Path Profile Edges Operation"
__author__ = "sliptonic (Brad Collette)"
@@ -63,9 +66,19 @@ class ObjectProfile(PathProfileBase.ObjectProfile):
'''areaOpShapes(obj) ... returns envelope for all wires formed by the base edges.'''
PathLog.track()
self.tmpGrp = FreeCAD.ActiveDocument.addObject('App::DocumentObjectGroup', 'tmpDebugGrp')
tmpGrpNm = self.tmpGrp.Name
self.JOB = PathUtils.findParentJob(obj)
self.offsetExtra = abs(obj.OffsetExtra.Value)
if obj.UseComp:
self.useComp = True
self.ofstRadius = self.radius + self.offsetExtra
self.commandlist.append(Path.Command("(Compensated Tool Path. Diameter: " + str(self.radius * 2) + ")"))
else:
self.useComp = False
self.ofstRadius = self.offsetExtra
self.commandlist.append(Path.Command("(Uncompensated Tool Path)"))
shapes = []
@@ -77,26 +90,926 @@ class ObjectProfile(PathProfileBase.ObjectProfile):
edgelist = []
for sub in b[1]:
edgelist.append(getattr(b[0].Shape, sub))
basewires.append((b[0], findWires(edgelist)))
basewires.append((b[0], DraftGeomUtils.findWires(edgelist)))
if zMin is None or b[0].Shape.BoundBox.ZMin < zMin:
zMin = b[0].Shape.BoundBox.ZMin
for base,wires in basewires:
PathLog.debug('PathProfileEdges areaOpShapes():: len(basewires) is {}'.format(len(basewires)))
for base, wires in basewires:
for wire in wires:
f = Part.makeFace(wire, 'Part::FaceMakerSimple')
if wire.isClosed() is True:
# f = Part.makeFace(wire, 'Part::FaceMakerSimple')
# if planar error, Comment out previous line, uncomment the next two
(origWire, flatWire) = self._flattenWire(obj, wire, obj.FinalDepth.Value)
f = origWire.Shape.Wires[0]
if f is not False:
# shift the compound to the bottom of the base object for proper sectioning
zShift = zMin - f.BoundBox.ZMin
newPlace = FreeCAD.Placement(FreeCAD.Vector(0, 0, zShift), f.Placement.Rotation)
f.Placement = newPlace
env = PathUtils.getEnvelope(base.Shape, subshape=f, depthparams=self.depthparams)
shapes.append((env, False))
else:
PathLog.error(translate('PathProfileEdges', 'The selected edge(s) are inaccessible.'))
else:
cutWireObjs = False
(origWire, flatWire) = self._flattenWire(obj, wire, obj.FinalDepth.Value)
cutShp = self._getCutAreaCrossSection(obj, base, origWire, flatWire)
if cutShp is not False:
cutWireObjs = self._extractPathWire(obj, base, flatWire, cutShp)
if cutWireObjs is not False:
for cW in cutWireObjs:
shapes.append((cW, False))
self.profileEdgesIsOpen = True
else:
PathLog.error(translate('PathProfileEdges', 'The selected edge(s) are inaccessible.'))
# Delete the temporary objects
if PathLog.getLevel(PathLog.thisModule()) != 4:
for to in self.tmpGrp.Group:
FreeCAD.ActiveDocument.removeObject(to.Name)
FreeCAD.ActiveDocument.removeObject(tmpGrpNm)
else:
if FreeCAD.GuiUp:
import FreeCADGui
FreeCADGui.ActiveDocument.getObject(tmpGrpNm).Visibility = False
# shift the compound to the bottom of the base object for
# proper sectioning
zShift = zMin - f.BoundBox.ZMin
newPlace = FreeCAD.Placement(FreeCAD.Vector(0, 0, zShift), f.Placement.Rotation)
f.Placement = newPlace
env = PathUtils.getEnvelope(base.Shape, subshape=f, depthparams=self.depthparams)
shapes.append((env, False))
return shapes
def _flattenWire(self, obj, wire, trgtDep):
'''_flattenWire(obj, wire)... Return a flattened version of the wire'''
PathLog.debug('_flattenWire()')
wBB = wire.BoundBox
tmpGrp = self.tmpGrp
OW = FreeCAD.ActiveDocument.addObject('Part::Feature', 'tmpOriginalWire')
OW.Shape = wire
OW.purgeTouched()
tmpGrp.addObject(OW)
if wBB.ZLength > 0.0:
PathLog.debug('Wire is not horizontally co-planar. Flattening it.')
# Extrude non-horizontal wire
extFwdLen = wBB.ZLength * 2.2
mbbEXT = self._extrudeObject(OW, extFwdLen, False)
# Create cross-section of shape and translate
sliceZ = wire.BoundBox.ZMin + (extFwdLen / 2)
crsectFaceShp = self._makeCrossSection(mbbEXT.Shape, sliceZ, trgtDep)
if crsectFaceShp is not False:
# srtWire = Part.Wire(Part.__sortEdges__(crsectFaceShp.Edges))
FW = FreeCAD.ActiveDocument.addObject('Part::Feature', 'tmpFlattenedWire')
FW.Shape = crsectFaceShp # srtWire
FW.recompute()
FW.purgeTouched()
tmpGrp.addObject(FW)
return (OW, FW)
else:
return False
else:
srtWire = Part.Wire(Part.__sortEdges__(wire.Edges))
srtWire.translate(FreeCAD.Vector(0, 0, trgtDep - srtWire.BoundBox.ZMin))
FW = FreeCAD.ActiveDocument.addObject('Part::Feature', 'tmpOriginalWireSorted')
FW.Shape = srtWire
FW.purgeTouched()
tmpGrp.addObject(FW)
return (OW, FW)
def _getCutAreaCrossSection(self, obj, base, origWire, flatWireObj):
PathLog.debug('_getCutAreaCrossSection()')
tmpGrp = self.tmpGrp
FCAD = FreeCAD.ActiveDocument
tolerance = self.JOB.GeometryTolerance.Value
# toolDiam = float(obj.ToolController.Tool.Diameter)
toolDiam = 2 * self.radius # self.radius defined in PathAreaOp or PathprofileBase modules
minBfr = toolDiam * 1.25
bbBfr = (self.ofstRadius * 2) * 1.25
if bbBfr < minBfr:
bbBfr = minBfr
fwBB = flatWireObj.Shape.BoundBox
wBB = origWire.Shape.BoundBox
minArea = (self.ofstRadius - tolerance)**2 * math.pi
useWire = origWire.Shape.Wires[0]
numOrigEdges = len(useWire.Edges)
sdv = wBB.ZMax
fdv = obj.FinalDepth.Value
extLenFwd = sdv - fdv
WIRE = flatWireObj.Shape.Wires[0]
numEdges = len(WIRE.Edges)
# Identify first/last edges and first/last vertex on wire
begE = WIRE.Edges[0] # beginning edge
endE = WIRE.Edges[numEdges - 1] # ending edge
blen = begE.Length
elen = endE.Length
Vb = begE.Vertexes[0] # first vertex of wire
Ve = endE.Vertexes[1] # last vertex of wire
pb = FreeCAD.Vector(Vb.X, Vb.Y, fdv)
pe = FreeCAD.Vector(Ve.X, Ve.Y, fdv)
# Identify endpoints connecting circle center and diameter
vectDist = pe.sub(pb)
diam = vectDist.Length
cntr = vectDist.multiply(0.5).add(pb)
R = diam / 2
pl = FreeCAD.Placement()
pl.Rotation = FreeCAD.Rotation(FreeCAD.Vector(0, 0, 1), 0)
pl.Base = FreeCAD.Vector(0, 0, 0)
# Obtain beginning point perpendicular points
if blen > 0.1:
bcp = begE.valueAt(begE.getParameterByLength(0.1)) # point returned 0.1 mm along edge
else:
bcp = FreeCAD.Vector(begE.Vertexes[1].X, begE.Vertexes[1].Y, fdv)
if elen > 0.1:
ecp = endE.valueAt(endE.getParameterByLength(elen - 0.1)) # point returned 0.1 mm along edge
else:
ecp = FreeCAD.Vector(endE.Vertexes[1].X, endE.Vertexes[1].Y, fdv)
# Create intersection tags for determining which side of wire to cut
(begInt, begExt, iTAG, eTAG) = self._makeIntersectionTags(useWire, numOrigEdges, fdv)
self.iTAG = iTAG
self.eTAG = eTAG
# Create extended wire boundbox, and extrude
extBndbox = self._makeExtendedBoundBox(wBB, bbBfr, fdv)
extBndboxEXT = self._extrudeObject(extBndbox, extLenFwd) # (objToExt, extFwdLen)
# Cut model(selected edges) from extended edges boundbox
cutArea = extBndboxEXT.Shape.cut(base.Shape)
CA = FCAD.addObject('Part::Feature', 'tmpBndboxCutByBase')
CA.Shape = cutArea
CA.purgeTouched()
tmpGrp.addObject(CA)
# Get top and bottom faces of cut area (CA), and combine faces when necessary
topFc = list()
botFc = list()
bbZMax = CA.Shape.BoundBox.ZMax
bbZMin = CA.Shape.BoundBox.ZMin
for f in range(0, len(CA.Shape.Faces)):
Fc = CA.Shape.Faces[f]
if abs(Fc.BoundBox.ZMax - bbZMax) < tolerance and abs(Fc.BoundBox.ZMin - bbZMax) < tolerance:
topFc.append(f)
if abs(Fc.BoundBox.ZMax - bbZMin) < tolerance and abs(Fc.BoundBox.ZMin - bbZMin) < tolerance:
botFc.append(f)
topComp = Part.makeCompound([CA.Shape.Faces[f] for f in topFc])
topComp.translate(FreeCAD.Vector(0, 0, fdv - topComp.BoundBox.ZMin)) # Translate face to final depth
if len(botFc) > 1:
PathLog.debug('len(botFc) > 1')
bndboxFace = Part.Face(extBndbox.Shape.Wires[0])
tmpFace = Part.Face(extBndbox.Shape.Wires[0])
for f in botFc:
Q = tmpFace.cut(CA.Shape.Faces[f])
tmpFace = Q
botComp = bndboxFace.cut(tmpFace)
else:
botComp = Part.makeCompound([CA.Shape.Faces[f] for f in botFc])
botComp.translate(FreeCAD.Vector(0, 0, fdv - botComp.BoundBox.ZMin)) # Translate face to final depth
# Convert compound shapes to FC objects for use in multicommon operation
TP = FCAD.addObject('Part::Feature', 'tmpTopCompound')
TP.Shape = topComp
TP.recompute()
TP.purgeTouched()
tmpGrp.addObject(TP)
BT = FCAD.addObject('Part::Feature', 'tmpBotCompound')
BT.Shape = botComp
BT.recompute()
BT.purgeTouched()
tmpGrp.addObject(BT)
# Make common of the two
comFC = FCAD.addObject('Part::MultiCommon', 'tmpCommonTopBotFaces')
comFC.Shapes = [TP, BT]
comFC.recompute()
TP.purgeTouched()
BT.purgeTouched()
comFC.purgeTouched()
tmpGrp.addObject(comFC)
# Determine with which set of intersection tags the model intersects
(cmnIntArea, cmnExtArea) = self._checkTagIntersection(iTAG, eTAG, 'QRY', comFC)
if cmnExtArea > cmnIntArea:
PathLog.debug('Cutting on Ext side.')
self.cutSide = 'E'
self.cutSideTags = eTAG.Shape
tagCOM = begExt.CenterOfMass
else:
PathLog.debug('Cutting on Int side.')
self.cutSide = 'I'
self.cutSideTags = iTAG.Shape
tagCOM = begInt.CenterOfMass
# Make two beginning style(oriented) 'L' shape stops
begStop = self._makeStop('BEG', bcp, pb, 'BegStop')
altBegStop = self._makeStop('END', bcp, pb, 'BegStop')
# Identify to which style 'L' stop the beginning intersection tag is closest,
# and create partner end 'L' stop geometry, and save for application later
lenBS_extETag = begStop.CenterOfMass.sub(tagCOM).Length
lenABS_extETag = altBegStop.CenterOfMass.sub(tagCOM).Length
if lenBS_extETag < lenABS_extETag:
endStop = self._makeStop('END', ecp, pe, 'EndStop')
pathStops = Part.makeCompound([begStop, endStop])
else:
altEndStop = self._makeStop('BEG', ecp, pe, 'EndStop')
pathStops = Part.makeCompound([altBegStop, altEndStop])
pathStops.translate(FreeCAD.Vector(0, 0, fdv - pathStops.BoundBox.ZMin))
# Identify closed wire in cross-section that corresponds to user-selected edge(s)
workShp = comFC.Shape
fcShp = workShp
wire = origWire.Shape # flatWireObj.Shape
WS = workShp.Wires
lenWS = len(WS)
if lenWS < 3:
wi = 0
else:
wi = None
for wvt in wire.Vertexes:
for w in range(0, lenWS):
twr = WS[w]
for v in range(0, len(twr.Vertexes)):
V = twr.Vertexes[v]
if abs(V.X - wvt.X) < tolerance:
if abs(V.Y - wvt.Y) < tolerance:
# Same vertex found. This wire to be used for offset
wi = w
break
# Efor
if wi is None:
PathLog.error('The cut area cross-section wire does not coincide with selected edge. Wires[] index is None.')
tmpGrp.purgeTouched()
return False
else:
PathLog.debug('Cross-section Wires[] index is {}.'.format(wi))
nWire = Part.Wire(Part.__sortEdges__(workShp.Wires[wi].Edges))
fcShp = Part.Face(nWire)
fcShp.translate(FreeCAD.Vector(0, 0, fdv - workShp.BoundBox.ZMin))
# Eif
# verify that wire chosen is not inside the physical model
if wi > 0: # and isInterior is False:
PathLog.debug('Multiple wires in cut area. First choice is not 0. Testing.')
testArea = fcShp.cut(base.Shape)
# testArea = fcShp
TA = FreeCAD.ActiveDocument.addObject('Part::Feature','tmpCutFaceTest')
TA.Shape = testArea
TA.purgeTouched()
tmpGrp.addObject(TA)
isReady = self._checkTagIntersection(iTAG, eTAG, self.cutSide, TA)
PathLog.debug('isReady {}.'.format(isReady))
if isReady is False:
PathLog.debug('Using wire index {}.'.format(wi - 1))
pWire = Part.Wire(Part.__sortEdges__(workShp.Wires[wi - 1].Edges))
pfcShp = Part.Face(pWire)
pfcShp.translate(FreeCAD.Vector(0, 0, fdv - workShp.BoundBox.ZMin))
workShp = pfcShp.cut(fcShp)
if testArea.Area < minArea:
PathLog.debug('offset area is less than minArea of {}.'.format(minArea))
PathLog.debug('Using wire index {}.'.format(wi - 1))
pWire = Part.Wire(Part.__sortEdges__(workShp.Wires[wi - 1].Edges))
pfcShp = Part.Face(pWire)
pfcShp.translate(FreeCAD.Vector(0, 0, fdv - workShp.BoundBox.ZMin))
workShp = pfcShp.cut(fcShp)
# Eif
# Add path stops at ends of wire
cutShp = workShp.cut(pathStops)
CF = FreeCAD.ActiveDocument.addObject('Part::Feature','tmpCutFace')
CF.Shape = cutShp
CF.recompute()
CF.purgeTouched()
tmpGrp.addObject(CF)
tmpGrp.purgeTouched()
return cutShp # CF.Shape
def _checkTagIntersection(self, iTAG, eTAG, cutSide, tstObj):
# Identify intersection of Common area and Interior Tags
intCmn = FreeCAD.ActiveDocument.addObject('Part::MultiCommon', 'tmpCmnIntTags')
intCmn.Shapes = [tstObj, iTAG]
intCmn.recompute()
tstObj.purgeTouched()
iTAG.purgeTouched()
intCmn.purgeTouched()
self.tmpGrp.addObject(intCmn)
# Identify intersection of Common area and Exterior Tags
extCmn = FreeCAD.ActiveDocument.addObject('Part::MultiCommon', 'tmpCmnExtTags')
extCmn.Shapes = [tstObj, eTAG]
extCmn.recompute()
tstObj.purgeTouched()
eTAG.purgeTouched()
extCmn.purgeTouched()
self.tmpGrp.addObject(extCmn)
# Calculate common intersection (solid model side, or the non-cut side) area with tags, to determine physical cut side
cmnIntArea = intCmn.Shape.Area
cmnExtArea = extCmn.Shape.Area
if cutSide == 'QRY':
return (cmnIntArea, cmnExtArea)
if cmnExtArea > cmnIntArea:
PathLog.debug('Cutting on Ext side.')
if cutSide == 'E':
return True
else:
PathLog.debug('Cutting on Int side.')
if cutSide == 'I':
return True
return False
def _extractPathWire(self, obj, base, fWire, cutShp):
PathLog.debug('_extractPathWire()')
subLoops = list()
rtnWIRES = list()
osWrIdxs = list()
subDistFactor = 1.0 # Raise to include sub wires at greater distance from original
tmpGrp = self.tmpGrp
fdv = obj.FinalDepth.Value
wire = fWire.Shape
lstVrtIdx = len(wire.Vertexes) - 1
lstVrt = wire.Vertexes[lstVrtIdx]
frstVrt = wire.Vertexes[0]
cent0 = FreeCAD.Vector(frstVrt.X, frstVrt.Y, fdv)
cent1 = FreeCAD.Vector(lstVrt.X, lstVrt.Y, fdv)
pl = FreeCAD.Placement()
pl.Rotation = FreeCAD.Rotation(FreeCAD.Vector(0, 0, 1), 0)
pl.Base = FreeCAD.Vector(0, 0, 0)
# Calculate offset shape, containing cut region
ofstShp = self._extractFaceOffset(obj, cutShp, False)
# CHECK for ZERO area of offset shape
try:
osArea = ofstShp.Area
except Exception as ee:
PathLog.error('No area to offset shape returned.')
tmpGrp.purgeTouched()
return False
os = FreeCAD.ActiveDocument.addObject('Part::Feature', 'tmpOffsetShape')
os.Shape = ofstShp
os.recompute()
os.purgeTouched()
tmpGrp.addObject(os)
numOSWires = len(ofstShp.Wires)
for w in range(0, numOSWires):
osWrIdxs.append(w)
# Identify two vertexes for dividing offset loop
NEAR0 = self._findNearestVertex(ofstShp, cent0)
min0i = 0
min0 = NEAR0[0][4]
for n in range(0, len(NEAR0)):
N = NEAR0[n]
if N[4] < min0:
min0 = N[4]
min0i = n
(w0, vi0, pnt0, vrt0, d0) = NEAR0[0] # min0i
near0 = Draft.makeWire([cent0, pnt0], placement=pl, closed=False, face=False, support=None)
near0.recompute()
near0.purgeTouched()
tmpGrp.addObject(near0)
NEAR1 = self._findNearestVertex(ofstShp, cent1)
min1i = 0
min1 = NEAR1[0][4]
for n in range(0, len(NEAR1)):
N = NEAR1[n]
if N[4] < min1:
min1 = N[4]
min1i = n
(w1, vi1, pnt1, vrt1, d1) = NEAR1[0] # min1i
near1 = Draft.makeWire([cent1, pnt1], placement=pl, closed=False, face=False, support=None)
near1.recompute()
near1.purgeTouched()
tmpGrp.addObject(near1)
if w0 != w1:
PathLog.debug('w0 is {}.'.format(w0))
PathLog.debug('w1 is {}.'.format(w1))
PathLog.warning('Offset wire endpoint indexes are not equal: {}, {}'.format(w0, w1))
'''
PathLog.debug('min0i is {}.'.format(min0i))
PathLog.debug('min1i is {}.'.format(min1i))
PathLog.debug('NEAR0[{}] is {}.'.format(w0, NEAR0[w0]))
PathLog.debug('NEAR1[{}] is {}.'.format(w1, NEAR1[w1]))
PathLog.debug('NEAR0 is {}.'.format(NEAR0))
PathLog.debug('NEAR1 is {}.'.format(NEAR1))
'''
mainWire = ofstShp.Wires[w0]
# Check for additional closed loops in offset wire by checking distance to iTAG or eTAG elements
if numOSWires > 1:
# check all wires for proximity(children) to intersection tags
tagsComList = list()
for T in self.cutSideTags.Faces:
tcom = T.CenterOfMass
tv = FreeCAD.Vector(tcom.x, tcom.y, 0.0)
tagsComList.append(tv)
subDist = self.ofstRadius * subDistFactor
for w in osWrIdxs:
if w != w0:
cutSub = False
VTXS = ofstShp.Wires[w].Vertexes
for V in VTXS:
v = FreeCAD.Vector(V.X, V.Y, 0.0)
for t in tagsComList:
if t.sub(v).Length < subDist:
cutSub = True
break
if cutSub is True:
break
if cutSub is True:
sub = Part.Wire(Part.__sortEdges__(ofstShp.Wires[w].Edges))
subLoops.append(sub)
# Eif
# Break offset loop into two wires - one of which is the desired profile path wire.
# (edgeIdxs0, edgeIdxs1) = self._separateWireAtVertexes(mainWire, ofstShp.Vertexes[vi0], ofstShp.Vertexes[vi1])
(edgeIdxs0, edgeIdxs1) = self._separateWireAtVertexes(mainWire, mainWire.Vertexes[vi0], mainWire.Vertexes[vi1])
edgs0 = list()
edgs1 = list()
for e in edgeIdxs0:
edgs0.append(mainWire.Edges[e])
for e in edgeIdxs1:
edgs1.append(mainWire.Edges[e])
part0 = Part.Wire(Part.__sortEdges__(edgs0))
part1 = Part.Wire(Part.__sortEdges__(edgs1))
# Determine which part is nearest original edge(s)
distToPart0 = self._distMidToMid(wire.Wires[0], part0.Wires[0])
distToPart1 = self._distMidToMid(wire.Wires[0], part1.Wires[0])
if distToPart0 < distToPart1:
rtnWIRES.append(part0)
else:
rtnWIRES.append(part1)
rtnWIRES.extend(subLoops)
tmpGrp.purgeTouched()
return rtnWIRES
def _extractFaceOffset(self, obj, fcShape, isHole):
'''_extractFaceOffset(obj, fcShape, isHole) ... internal function.
Original _buildPathArea() version copied from PathAreaOp.py module. This version is modified.
Adjustments made based on notes by @sliptonic - https://github.com/sliptonic/FreeCAD/wiki/PathArea-notes.'''
PathLog.debug('_extractFaceOffset()')
areaParams = {}
JOB = PathUtils.findParentJob(obj)
tolrnc = JOB.GeometryTolerance.Value
if self.useComp is True:
offset = self.ofstRadius # + tolrnc
else:
offset = self.offsetExtra # + tolrnc
if isHole is False:
offset = 0 - offset
areaParams['Offset'] = offset
areaParams['Fill'] = 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['JoinType'] = 1
area = Path.Area() # Create instance of Area() class object
area.setPlane(PathUtils.makeWorkplane(fcShape)) # Set working plane
area.add(fcShape) # obj.Shape to use for extracting offset
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()
return offsetShape
def _findNearestVertex(self, shape, point):
PathLog.debug('_findNearestVertex()')
PT = FreeCAD.Vector(point.x, point.y, 0.0)
def sortDist(tup):
return tup[4]
PNTS = list()
for w in range(0, len(shape.Wires)):
WR = shape.Wires[w]
V = WR.Vertexes[0]
P = FreeCAD.Vector(V.X, V.Y, 0.0)
dist = P.sub(PT).Length
vi = 0
pnt = P
vrt = V
for v in range(0, len(WR.Vertexes)):
V = WR.Vertexes[v]
P = FreeCAD.Vector(V.X, V.Y, 0.0)
d = P.sub(PT).Length
if d < dist:
dist = d
vi = v
pnt = P
vrt = V
PNTS.append((w, vi, pnt, vrt, dist))
PNTS.sort(key=sortDist)
return PNTS
def _separateWireAtVertexes(self, wire, VV1, VV2):
PathLog.debug('_separateWireAtVertexes()')
tolerance = self.JOB.GeometryTolerance.Value
grps = [[], []]
wireIdxs = [[], []]
V1 = FreeCAD.Vector(VV1.X, VV1.Y, VV1.Z)
V2 = FreeCAD.Vector(VV2.X, VV2.Y, VV2.Z)
lenE = len(wire.Edges)
FLGS = list()
for e in range(0, lenE):
FLGS.append(0)
chk4 = False
for e in range(0, lenE):
v = 0
E = wire.Edges[e]
fv0 = FreeCAD.Vector(E.Vertexes[0].X, E.Vertexes[0].Y, E.Vertexes[0].Z)
fv1 = FreeCAD.Vector(E.Vertexes[1].X, E.Vertexes[1].Y, E.Vertexes[1].Z)
if fv0.sub(V1).Length < tolerance:
v = 1
if fv1.sub(V2).Length < tolerance:
v += 3
chk4 = True
elif fv1.sub(V1).Length < tolerance:
v = 1
if fv0.sub(V2).Length < tolerance:
v += 3
chk4 = True
if fv0.sub(V2).Length < tolerance:
v = 3
if fv1.sub(V1).Length < tolerance:
v += 1
chk4 = True
elif fv1.sub(V2).Length < tolerance:
v = 3
if fv0.sub(V1).Length < tolerance:
v += 1
chk4 = True
FLGS[e] += v
# Efor
PathLog.debug('_separateWireAtVertexes() FLGS: \n{}'.format(FLGS))
PRE = list()
POST = list()
IDXS = list()
IDX1 = list()
IDX2 = list()
for e in range(0, lenE):
f = FLGS[e]
PRE.append(f)
POST.append(f)
IDXS.append(e)
IDX1.append(e)
IDX2.append(e)
PRE.extend(FLGS)
PRE.extend(POST)
lenFULL = len(PRE)
IDXS.extend(IDX1)
IDXS.extend(IDX2)
if chk4 is True:
# find beginning 1 edge
begIdx = None
begFlg = False
for e in range(0, lenFULL):
f = PRE[e]
i = IDXS[e]
if f == 4:
begIdx = e
grps[0].append(f)
wireIdxs[0].append(i)
break
# find first 3 edge
endIdx = None
for e in range(begIdx + 1, lenE + begIdx):
f = PRE[e]
i = IDXS[e]
grps[1].append(f)
wireIdxs[1].append(i)
else:
# find beginning 1 edge
begIdx = None
begFlg = False
for e in range(0, lenFULL):
f = PRE[e]
if f == 1:
if begFlg is False:
begFlg = True
else:
begIdx = e
break
# find first 3 edge and group all first wire edges
endIdx = None
for e in range(begIdx, lenE + begIdx):
f = PRE[e]
i = IDXS[e]
if f == 3:
grps[0].append(f)
wireIdxs[0].append(i)
endIdx = e
break
else:
grps[0].append(f)
wireIdxs[0].append(i)
# Collect remaining edges
for e in range(endIdx + 1, lenFULL):
f = PRE[e]
i = IDXS[e]
if f == 1:
grps[1].append(f)
wireIdxs[1].append(i)
break
else:
wireIdxs[1].append(i)
grps[1].append(f)
# Efor
# Eif
if PathLog.getLevel(PathLog.thisModule()) != 4:
PathLog.debug('grps[0]: {}'.format(grps[0]))
PathLog.debug('grps[1]: {}'.format(grps[1]))
PathLog.debug('wireIdxs[0]: {}'.format(wireIdxs[0]))
PathLog.debug('wireIdxs[1]: {}'.format(wireIdxs[1]))
PathLog.debug('PRE: {}'.format(PRE))
PathLog.debug('IDXS: {}'.format(IDXS))
return (wireIdxs[0], wireIdxs[1])
def _makeCrossSection(self, shape, sliceZ, zHghtTrgt=False):
'''_makeCrossSection(shape, sliceZ, zHghtTrgt=None)...
Creates cross-section objectc from shape. Translates cross-section to zHghtTrgt if available.
Makes face shape from cross-section object. Returns face shape at zHghtTrgt.'''
# Create cross-section of shape and translate
wires = list()
slcs = shape.slice(FreeCAD.Vector(0, 0, 1), sliceZ)
if len(slcs) > 0:
for i in slcs:
wires.append(i)
comp = Part.Compound(wires)
if zHghtTrgt is not False:
comp.translate(FreeCAD.Vector(0, 0, zHghtTrgt - comp.BoundBox.ZMin))
return comp
return False
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 = Draft.makeWire([p1, p2, p3, p4], placement=pl, closed=True, face=False, support=None)
bb.Label = 'ProfileEdges_BoundBox'
bb.recompute()
bb.purgeTouched()
self.tmpGrp.addObject(bb)
return bb
def _makeSimpleCircle(self, rad, plcmnt, isFace=False, label='SimpleCircle'):
C = Draft.makeCircle(rad, placement=plcmnt, face=isFace)
C.Label = 'tmp' + label
C.recompute()
C.purgeTouched()
self.tmpGrp.addObject(C)
return C
def _makeIntersectionTags(self, useWire, numOrigEdges, fdv):
# Create circular probe tags around perimiter of wire
extTags = list()
intTags = list()
tagRad = (self.radius / 2)
tagCnt = 0
begInt = None
begExt = None
for e in range(0, numOrigEdges):
E = useWire.Edges[e]
LE = E.Length
if LE > (self.radius * 2):
nt = math.ceil(LE / (tagRad * math.pi)) # (tagRad * 2 * math.pi) is circumference
else:
nt = 4 # desired + 1
mid = LE / nt
spc = self.radius / 10
for i in range(0, nt):
if i == 0:
if e == 0:
if LE > 0.2:
aspc = 0.1
else:
aspc = LE * 0.75
cp1 = E.valueAt(E.getParameterByLength(0))
cp2 = E.valueAt(E.getParameterByLength(aspc))
(intTObj, extTObj) = self._makeOffsetCircleTag(cp1, cp2, tagRad, fdv, 'BeginEdge[{}]_'.format(e))
if intTObj is not False:
begInt = intTObj.Shape
begExt = extTObj.Shape
else:
d = i * mid
cp1 = E.valueAt(E.getParameterByLength(d - spc))
cp2 = E.valueAt(E.getParameterByLength(d + spc))
(intTObj, extTObj) = self._makeOffsetCircleTag(cp1, cp2, tagRad, fdv, 'Edge[{}]_'.format(e))
if intTObj is not False:
tagCnt += nt
intTags.append(intTObj)
extTags.append(extTObj)
tagArea = math.pi * tagRad**2 * tagCnt
# FreeCAD object required for Part::MultiCommon usage
intTagsComp = Part.makeCompound([T.Shape for T in intTags])
iTAG = FreeCAD.ActiveDocument.addObject('Part::Feature', 'tmpInteriorTags')
iTAG.Shape = intTagsComp
iTAG.purgeTouched()
self.tmpGrp.addObject(iTAG)
# FreeCAD object required for Part::MultiCommon usage
extTagsComp = Part.makeCompound([T.Shape for T in extTags])
eTAG = FreeCAD.ActiveDocument.addObject('Part::Feature', 'tmpExteriorTags')
eTAG.Shape = extTagsComp
eTAG.purgeTouched()
self.tmpGrp.addObject(eTAG)
return (begInt, begExt, iTAG, eTAG)
def _makeOffsetCircleTag(self, p1, p2, cutterRad, depth, lbl, reverse=False):
pb = FreeCAD.Vector(p1.x, p1.y, 0.0)
pe = FreeCAD.Vector(p2.x, p2.y, 0.0)
toMid = pe.sub(pb).multiply(0.5)
lenToMid = toMid.Length
if lenToMid == 0.0:
# Probably a vertical line segment
return (False, False)
cutFactor = (cutterRad / 2.1) / lenToMid # = 2 is tangent to wire; > 2 allows tag to overlap wire; < 2 pulls tag away from wire
perpE = FreeCAD.Vector(-1 * toMid.y, toMid.x, 0.0).multiply(-1 * cutFactor) # exterior tag
extPnt = pb.add(toMid.add(perpE))
pl = FreeCAD.Placement()
pl.Rotation = FreeCAD.Rotation(FreeCAD.Vector(0, 0, 1), 0)
# make exterior tag
adjlbl = lbl + 'Ext'
pl.Base = extPnt.add(FreeCAD.Vector(0, 0, depth))
extTag = self._makeSimpleCircle((cutterRad / 2), pl, True, adjlbl)
# make interior tag
adjlbl = lbl + 'Int'
perpI = FreeCAD.Vector(-1 * toMid.y, toMid.x, 0.0).multiply(cutFactor) # interior tag
intPnt = pb.add(toMid.add(perpI))
pl.Base = intPnt.add(FreeCAD.Vector(0, 0, depth))
intTag = self._makeSimpleCircle((cutterRad / 2), pl, True, adjlbl)
return (intTag, extTag)
def _extrudeObject(self, objToExt, extFwdLen, solid=True):
# Extrude non-horizontal wire
E = FreeCAD.ActiveDocument.addObject('Part::Extrusion', 'tmpExtrusion')
E.Base = objToExt
E.DirMode = 'Custom'
E.Dir = FreeCAD.Vector(0, 0, 1)
E.LengthFwd = extFwdLen
E.Solid = solid
E.recompute()
E.purgeTouched()
self.tmpGrp.addObject(E)
return E
def _makeStop(self, sType, pA, pB, lbl):
rad = self.radius
ofstRad = self.ofstRadius
extra = self.radius / 10
pl = FreeCAD.Placement()
pl.Rotation = FreeCAD.Rotation(FreeCAD.Vector(0, 0, 1), 0)
pl.Base = FreeCAD.Vector(0, 0, 0)
E = FreeCAD.Vector(pB.x, pB.y, 0) # endpoint
C = FreeCAD.Vector(pA.x, pA.y, 0) # checkpoint
lenEC = E.sub(C).Length
if self.useComp is True or (self.useComp is False and self.offsetExtra != 0):
# 'L' stop shape and edge legend
# --1--
# | |
# 2 6
# | |
# | ----5----|
# | 4
# -----3-------|
# positive dist in _makePerp2DVector() is CCW rotation
p1 = E
if sType == 'BEG':
p2 = self._makePerp2DVector(C, E, -0.25) # E1
p3 = self._makePerp2DVector(p1, p2, ofstRad + 1 + extra) # E2
p4 = self._makePerp2DVector(p2, p3, 0.25 + ofstRad + extra) # E3
p5 = self._makePerp2DVector(p3, p4, 1 + extra) # E4
p6 = self._makePerp2DVector(p4, p5, ofstRad + extra) # E5
elif sType == 'END':
p2 = self._makePerp2DVector(C, E, 0.25) # E1
p3 = self._makePerp2DVector(p1, p2, -1 * (ofstRad + 1 + extra)) # E2
p4 = self._makePerp2DVector(p2, p3, -1 * (0.25 + ofstRad + extra)) # E3
p5 = self._makePerp2DVector(p3, p4, -1 * (1 + extra)) # E4
p6 = self._makePerp2DVector(p4, p5, -1 * (ofstRad + extra)) # E5
p7 = E # E6
S = Draft.makeWire([p1, p2, p3, p4, p5, p6, p7], placement=pl, closed=True, face=True)
else:
# 'L' stop shape and edge legend
# :
# |----2-------|
# 3 1
# |-----4------|
# positive dist in _makePerp2DVector() is CCW rotation
p1 = E
if sType == 'BEG':
p2 = self._makePerp2DVector(C, E, -1 * (0.25 + abs(self.offsetExtra))) # left, 0.25
p3 = self._makePerp2DVector(p1, p2, 0.25 + abs(self.offsetExtra))
p4 = self._makePerp2DVector(p2, p3, (0.5 + abs(self.offsetExtra))) # FIRST POINT
p5 = self._makePerp2DVector(p3, p4, 0.25 + abs(self.offsetExtra)) # E1 SECOND
elif sType == 'END':
p2 = self._makePerp2DVector(C, E, (0.25 + abs(self.offsetExtra))) # left, 0.25
p3 = self._makePerp2DVector(p1, p2, -1 * (0.25 + abs(self.offsetExtra)))
p4 = self._makePerp2DVector(p2, p3, -1 * (0.5 + abs(self.offsetExtra))) # FIRST POINT
p5 = self._makePerp2DVector(p3, p4, -1 * (0.25 + abs(self.offsetExtra))) # E1 SECOND
p6 = p1 # E4
S = Draft.makeWire([p1, p2, p3, p4, p5, p6], placement=pl, closed=True, face=True)
# Eif
S.Label = 'tmp' + lbl
S.recompute()
S.purgeTouched()
self.tmpGrp.addObject(S)
return S.Shape
def _makePerp2DVector(self, v1, v2, dist):
p1 = FreeCAD.Vector(v1.x, v1.y, 0.0)
p2 = FreeCAD.Vector(v2.x, v2.y, 0.0)
toEnd = p2.sub(p1)
factor = dist / toEnd.Length
perp = FreeCAD.Vector(-1 * toEnd.y, toEnd.x, 0.0).multiply(factor)
return p1.add(toEnd.add(perp))
def _distMidToMid(self, wireA, wireB):
mpA = self._findWireMidpoint(wireA)
mpB = self._findWireMidpoint(wireB)
return mpA.sub(mpB).Length
def _findWireMidpoint(self, wire):
midPnt = None
dist = 0.0
wL = wire.Length
midW = wL / 2
for e in range(0, len(wire.Edges)):
E = wire.Edges[e]
elen = E.Length
d_ = dist + elen
if dist < midW and midW <= d_:
dtm = midW - dist
midPnt = E.valueAt(E.getParameterByLength(dtm))
break
else:
dist += elen
return midPnt
def SetupProperties():
return PathProfileBase.SetupProperties()
def Create(name, obj = None):
'''Create(name) ... Creates and returns a Profile based on edges operation.'''
if obj is None: