656 lines
28 KiB
Python
656 lines
28 KiB
Python
# -*- coding: utf-8 -*-
|
|
# ***************************************************************************
|
|
# * Copyright (c) 2018 Kresimir Tusek <kresimir.tusek@gmail.com> *
|
|
# * Copyright (c) 2019-2021 Schildkroet *
|
|
# * *
|
|
# * This file is part of the FreeCAD CAx development system. *
|
|
# * *
|
|
# * This library is free software; you can redistribute it and/or *
|
|
# * modify it under the terms of the GNU Library General Public *
|
|
# * License as published by the Free Software Foundation; either *
|
|
# * version 2 of the License, or (at your option) any later version. *
|
|
# * *
|
|
# * This library 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 library; see the file COPYING.LIB. If not, *
|
|
# * write to the Free Software Foundation, Inc., 59 Temple Place, *
|
|
# * Suite 330, Boston, MA 02111-1307, USA *
|
|
# * *
|
|
# ***************************************************************************
|
|
|
|
import PathScripts.PathOp as PathOp
|
|
import PathScripts.PathUtils as PathUtils
|
|
import Path
|
|
import FreeCAD
|
|
import FreeCADGui
|
|
from FreeCAD import Console
|
|
import time
|
|
import json
|
|
import math
|
|
import area
|
|
from pivy import coin
|
|
|
|
# lazily loaded modules
|
|
from lazy_loader.lazy_loader import LazyLoader
|
|
Part = LazyLoader('Part', globals(), 'Part')
|
|
TechDraw = LazyLoader('TechDraw', globals(), 'TechDraw')
|
|
|
|
__doc__ = "Class and implementation of the Adaptive path operation."
|
|
|
|
|
|
def convertTo2d(pathArray):
|
|
output = []
|
|
for path in pathArray:
|
|
pth2 = []
|
|
for edge in path:
|
|
for pt in edge:
|
|
pth2.append([pt[0], pt[1]])
|
|
output.append(pth2)
|
|
return output
|
|
|
|
|
|
sceneGraph = None
|
|
scenePathNodes = [] # for scene cleanup aftewards
|
|
topZ = 10
|
|
|
|
|
|
def sceneDrawPath(path, color=(0, 0, 1)):
|
|
coPoint = coin.SoCoordinate3()
|
|
|
|
pts = []
|
|
for pt in path:
|
|
pts.append([pt[0], pt[1], topZ])
|
|
|
|
coPoint.point.setValues(0, len(pts), pts)
|
|
ma = coin.SoBaseColor()
|
|
ma.rgb = color
|
|
li = coin.SoLineSet()
|
|
li.numVertices.setValue(len(pts))
|
|
pathNode = coin.SoSeparator()
|
|
pathNode.addChild(coPoint)
|
|
pathNode.addChild(ma)
|
|
pathNode.addChild(li)
|
|
sceneGraph.addChild(pathNode)
|
|
scenePathNodes.append(pathNode) # for scene cleanup afterwards
|
|
|
|
|
|
def sceneClean():
|
|
for n in scenePathNodes:
|
|
sceneGraph.removeChild(n)
|
|
|
|
del scenePathNodes[:]
|
|
|
|
|
|
def discretize(edge, flipDirection=False):
|
|
pts = edge.discretize(Deflection=0.0001)
|
|
if flipDirection:
|
|
pts.reverse()
|
|
|
|
return pts
|
|
|
|
|
|
def CalcHelixConePoint(height, cur_z, radius, angle):
|
|
x = ((height - cur_z) / height) * radius * math.cos(math.radians(angle)*cur_z)
|
|
y = ((height - cur_z) / height) * radius * math.sin(math.radians(angle)*cur_z)
|
|
z = cur_z
|
|
|
|
return {'X': x, 'Y': y, 'Z': z}
|
|
|
|
|
|
def GenerateGCode(op, obj, adaptiveResults, helixDiameter):
|
|
# pylint: disable=unused-argument
|
|
if len(adaptiveResults) == 0 or len(adaptiveResults[0]["AdaptivePaths"]) == 0:
|
|
return
|
|
|
|
# minLiftDistance = op.tool.Diameter
|
|
helixRadius = 0
|
|
for region in adaptiveResults:
|
|
p1 = region["HelixCenterPoint"]
|
|
p2 = region["StartPoint"]
|
|
r = math.sqrt((p1[0]-p2[0]) * (p1[0]-p2[0]) + (p1[1] - p2[1]) * (p1[1] - p2[1]))
|
|
if r > helixRadius:
|
|
helixRadius = r
|
|
|
|
stepDown = obj.StepDown.Value
|
|
passStartDepth = obj.StartDepth.Value
|
|
|
|
if stepDown < 0.1:
|
|
stepDown = 0.1
|
|
|
|
length = 2*math.pi * helixRadius
|
|
|
|
if float(obj.HelixAngle) < 1:
|
|
obj.HelixAngle = 1
|
|
if float(obj.HelixAngle) > 89:
|
|
obj.HelixAngle = 89
|
|
|
|
if float(obj.HelixConeAngle) < 0:
|
|
obj.HelixConeAngle = 0
|
|
|
|
helixAngleRad = math.pi * float(obj.HelixAngle) / 180.0
|
|
depthPerOneCircle = length * math.tan(helixAngleRad)
|
|
# print("Helix circle depth: {}".format(depthPerOneCircle))
|
|
|
|
stepUp = obj.LiftDistance.Value
|
|
if stepUp < 0:
|
|
stepUp = 0
|
|
|
|
finish_step = obj.FinishDepth.Value if hasattr(obj, "FinishDepth") else 0.0
|
|
if finish_step > stepDown:
|
|
finish_step = stepDown
|
|
|
|
depth_params = PathUtils.depth_params(
|
|
clearance_height=obj.ClearanceHeight.Value,
|
|
safe_height=obj.SafeHeight.Value,
|
|
start_depth=obj.StartDepth.Value,
|
|
step_down=stepDown,
|
|
z_finish_step=finish_step,
|
|
final_depth=obj.FinalDepth.Value,
|
|
user_depths=None)
|
|
|
|
# ml: this is dangerous because it'll hide all unused variables hence forward
|
|
# however, I don't know what lx and ly signify so I'll leave them for now
|
|
# pylint: disable=unused-variable
|
|
# lx = adaptiveResults[0]["HelixCenterPoint"][0]
|
|
# ly = adaptiveResults[0]["HelixCenterPoint"][1]
|
|
lz = passStartDepth
|
|
step = 0
|
|
|
|
for passEndDepth in depth_params.data:
|
|
step = step + 1
|
|
|
|
for region in adaptiveResults:
|
|
startAngle = math.atan2(region["StartPoint"][1] - region["HelixCenterPoint"][1], region["StartPoint"][0] - region["HelixCenterPoint"][0])
|
|
|
|
# lx = region["HelixCenterPoint"][0]
|
|
# ly = region["HelixCenterPoint"][1]
|
|
|
|
passDepth = (passStartDepth - passEndDepth)
|
|
|
|
p1 = region["HelixCenterPoint"]
|
|
p2 = region["StartPoint"]
|
|
helixRadius = math.sqrt((p1[0]-p2[0]) * (p1[0]-p2[0]) + (p1[1]-p2[1]) * (p1[1]-p2[1]))
|
|
|
|
# Helix ramp
|
|
if helixRadius > 0.01:
|
|
r = helixRadius - 0.01
|
|
|
|
maxfi = passDepth / depthPerOneCircle * 2 * math.pi
|
|
fi = 0
|
|
offsetFi = -maxfi + startAngle-math.pi/16
|
|
|
|
helixStart = [region["HelixCenterPoint"][0] + r * math.cos(offsetFi), region["HelixCenterPoint"][1] + r * math.sin(offsetFi)]
|
|
|
|
op.commandlist.append(Path.Command("(Helix to depth: %f)" % passEndDepth))
|
|
|
|
if obj.UseHelixArcs is False:
|
|
# rapid move to start point
|
|
op.commandlist.append(Path.Command("G0", {"Z": obj.ClearanceHeight.Value}))
|
|
op.commandlist.append(Path.Command("G0", {"X": helixStart[0], "Y": helixStart[1], "Z": obj.ClearanceHeight.Value}))
|
|
|
|
# rapid move to safe height
|
|
op.commandlist.append(Path.Command("G0", {"X": helixStart[0], "Y": helixStart[1], "Z": obj.SafeHeight.Value}))
|
|
|
|
# move to start depth
|
|
op.commandlist.append(Path.Command("G1", {"X": helixStart[0], "Y": helixStart[1], "Z": passStartDepth, "F": op.vertFeed}))
|
|
|
|
if obj.HelixConeAngle == 0:
|
|
while fi < maxfi:
|
|
x = region["HelixCenterPoint"][0] + r * math.cos(fi+offsetFi)
|
|
y = region["HelixCenterPoint"][1] + r * math.sin(fi+offsetFi)
|
|
z = passStartDepth - fi / maxfi * (passStartDepth - passEndDepth)
|
|
op.commandlist.append(Path.Command("G1", {"X": x, "Y": y, "Z": z, "F": op.vertFeed}))
|
|
# lx = x
|
|
# ly = y
|
|
fi = fi + math.pi / 16
|
|
|
|
# one more circle at target depth to make sure center is cleared
|
|
maxfi = maxfi + 2*math.pi
|
|
while fi < maxfi:
|
|
x = region["HelixCenterPoint"][0] + r * math.cos(fi+offsetFi)
|
|
y = region["HelixCenterPoint"][1] + r * math.sin(fi+offsetFi)
|
|
z = passEndDepth
|
|
op.commandlist.append(Path.Command("G1", {"X": x, "Y": y, "Z": z, "F": op.horizFeed}))
|
|
# lx = x
|
|
# ly = y
|
|
fi = fi + math.pi/16
|
|
|
|
else:
|
|
# Cone
|
|
_HelixAngle = 360 - (float(obj.HelixAngle) * 4)
|
|
|
|
if obj.HelixConeAngle > 6:
|
|
obj.HelixConeAngle = 6
|
|
|
|
helixRadius *= 0.9
|
|
|
|
# Calculate everything
|
|
helix_height = passStartDepth - passEndDepth
|
|
r_extra = helix_height * math.tan(math.radians(obj.HelixConeAngle))
|
|
HelixTopRadius = helixRadius + r_extra
|
|
helix_full_height = HelixTopRadius * (math.cos(math.radians(obj.HelixConeAngle)) / math.sin(math.radians(obj.HelixConeAngle)))
|
|
|
|
# Start height
|
|
z = passStartDepth
|
|
i = 0
|
|
|
|
# Default step down
|
|
z_step = 0.05
|
|
|
|
# Bigger angle, smaller step down
|
|
if _HelixAngle > 120:
|
|
z_step = 0.025
|
|
if _HelixAngle > 240:
|
|
z_step = 0.015
|
|
|
|
p = None
|
|
# Calculate conical helix
|
|
while(z >= passEndDepth):
|
|
if z < passEndDepth:
|
|
z = passEndDepth
|
|
|
|
p = CalcHelixConePoint(helix_full_height, i, HelixTopRadius, _HelixAngle)
|
|
op.commandlist.append(Path.Command("G1", {"X": p['X'] + region["HelixCenterPoint"][0], "Y": p['Y'] + region["HelixCenterPoint"][1], "Z": z, "F": op.vertFeed}))
|
|
z = z - z_step
|
|
i = i + z_step
|
|
|
|
# Calculate some stuff for arcs at bottom
|
|
p['X'] = p['X'] + region["HelixCenterPoint"][0]
|
|
p['Y'] = p['Y'] + region["HelixCenterPoint"][1]
|
|
x_m = region["HelixCenterPoint"][0] - p['X'] + region["HelixCenterPoint"][0]
|
|
y_m = region["HelixCenterPoint"][1] - p['Y'] + region["HelixCenterPoint"][1]
|
|
i_off = (x_m - p['X']) / 2
|
|
j_off = (y_m - p['Y']) / 2
|
|
|
|
# One more circle at target depth to make sure center is cleared
|
|
op.commandlist.append(Path.Command("G3", {"X": x_m, "Y": y_m, "Z": passEndDepth, "I": i_off, "J": j_off, "F": op.horizFeed}))
|
|
op.commandlist.append(Path.Command("G3", {"X": p['X'], "Y": p['Y'], "Z": passEndDepth, "I": -i_off, "J": -j_off, "F": op.horizFeed}))
|
|
|
|
else:
|
|
# Use arcs for helix - no conical shape support
|
|
helixStart = [region["HelixCenterPoint"][0] + r, region["HelixCenterPoint"][1]]
|
|
|
|
# rapid move to start point
|
|
op.commandlist.append(Path.Command("G0", {"Z": obj.ClearanceHeight.Value}))
|
|
op.commandlist.append(Path.Command("G0", {"X": helixStart[0], "Y": helixStart[1], "Z": obj.ClearanceHeight.Value}))
|
|
|
|
# rapid move to safe height
|
|
op.commandlist.append(Path.Command("G0", {"X": helixStart[0], "Y": helixStart[1], "Z": obj.SafeHeight.Value}))
|
|
|
|
# move to start depth
|
|
op.commandlist.append(Path.Command("G1", {"X": helixStart[0], "Y": helixStart[1], "Z": passStartDepth, "F": op.vertFeed}))
|
|
|
|
x = region["HelixCenterPoint"][0] + r
|
|
y = region["HelixCenterPoint"][1]
|
|
|
|
curDep = passStartDepth
|
|
while curDep > (passEndDepth + depthPerOneCircle):
|
|
op.commandlist.append(Path.Command("G2", {"X": x - (2*r), "Y": y, "Z": curDep - (depthPerOneCircle/2), "I": -r, "F": op.vertFeed}))
|
|
op.commandlist.append(Path.Command("G2", {"X": x, "Y": y, "Z": curDep - depthPerOneCircle, "I": r, "F": op.vertFeed}))
|
|
curDep = curDep - depthPerOneCircle
|
|
|
|
lastStep = curDep - passEndDepth
|
|
if lastStep > (depthPerOneCircle/2):
|
|
op.commandlist.append(Path.Command("G2", {"X": x - (2*r), "Y": y, "Z": curDep - (lastStep/2), "I": -r, "F": op.vertFeed}))
|
|
op.commandlist.append(Path.Command("G2", {"X": x, "Y": y, "Z": passEndDepth, "I": r, "F": op.vertFeed}))
|
|
else:
|
|
op.commandlist.append(Path.Command("G2", {"X": x - (2*r), "Y": y, "Z": passEndDepth, "I": -r, "F": op.vertFeed}))
|
|
op.commandlist.append(Path.Command("G1", {"X": x, "Y": y, "Z": passEndDepth, "F": op.vertFeed}))
|
|
|
|
# one more circle at target depth to make sure center is cleared
|
|
op.commandlist.append(Path.Command("G2", {"X": x - (2*r), "Y": y, "Z": passEndDepth, "I": -r, "F": op.horizFeed}))
|
|
op.commandlist.append(Path.Command("G2", {"X": x, "Y": y, "Z": passEndDepth, "I": r, "F": op.horizFeed}))
|
|
# lx = x
|
|
# ly = y
|
|
|
|
else: # no helix entry
|
|
# rapid move to clearance height
|
|
op.commandlist.append(Path.Command("G0", {"Z": obj.ClearanceHeight.Value}))
|
|
op.commandlist.append(Path.Command("G0", {"X": region["StartPoint"][0], "Y": region["StartPoint"][1], "Z": obj.ClearanceHeight.Value}))
|
|
# straight plunge to target depth
|
|
op.commandlist.append(Path.Command("G1", {"X": region["StartPoint"][0], "Y": region["StartPoint"][1], "Z": passEndDepth, "F": op.vertFeed}))
|
|
|
|
lz = passEndDepth
|
|
z = obj.ClearanceHeight.Value
|
|
op.commandlist.append(Path.Command("(Adaptive - depth: %f)" % passEndDepth))
|
|
|
|
# add adaptive paths
|
|
for pth in region["AdaptivePaths"]:
|
|
motionType = pth[0] # [0] contains motion type
|
|
|
|
for pt in pth[1]: # [1] contains list of points
|
|
x = pt[0]
|
|
y = pt[1]
|
|
|
|
# dist = math.sqrt((x-lx)*(x-lx) + (y-ly)*(y-ly))
|
|
|
|
if motionType == area.AdaptiveMotionType.Cutting:
|
|
z = passEndDepth
|
|
if z != lz:
|
|
op.commandlist.append(Path.Command("G1", {"Z": z, "F": op.vertFeed}))
|
|
|
|
op.commandlist.append(Path.Command("G1", {"X": x, "Y": y, "F": op.horizFeed}))
|
|
|
|
elif motionType == area.AdaptiveMotionType.LinkClear:
|
|
z = passEndDepth + stepUp
|
|
if z != lz:
|
|
op.commandlist.append(Path.Command("G0", {"Z": z}))
|
|
|
|
op.commandlist.append(Path.Command("G0", {"X": x, "Y": y}))
|
|
|
|
elif motionType == area.AdaptiveMotionType.LinkNotClear:
|
|
z = obj.ClearanceHeight.Value
|
|
if z != lz:
|
|
op.commandlist.append(Path.Command("G0", {"Z": z}))
|
|
|
|
op.commandlist.append(Path.Command("G0", {"X": x, "Y": y}))
|
|
|
|
# elif motionType == area.AdaptiveMotionType.LinkClearAtPrevPass:
|
|
# if lx!=x or ly!=y:
|
|
# op.commandlist.append(Path.Command("G0", { "X": lx, "Y":ly, "Z":passStartDepth+stepUp}))
|
|
# op.commandlist.append(Path.Command("G0", { "X": x, "Y":y, "Z":passStartDepth+stepUp}))
|
|
|
|
# lx = x
|
|
# ly = y
|
|
lz = z
|
|
|
|
# return to safe height in this Z pass
|
|
z = obj.ClearanceHeight.Value
|
|
if z != lz:
|
|
op.commandlist.append(Path.Command("G0", {"Z": z}))
|
|
|
|
lz = z
|
|
|
|
passStartDepth = passEndDepth
|
|
|
|
# return to safe height in this Z pass
|
|
z = obj.ClearanceHeight.Value
|
|
if z != lz:
|
|
op.commandlist.append(Path.Command("G0", {"Z": z}))
|
|
|
|
lz = z
|
|
|
|
z = obj.ClearanceHeight.Value
|
|
if z != lz:
|
|
op.commandlist.append(Path.Command("G0", {"Z": z}))
|
|
|
|
lz = z
|
|
|
|
|
|
def Execute(op, obj):
|
|
# pylint: disable=global-statement
|
|
global sceneGraph
|
|
global topZ
|
|
|
|
sceneGraph = FreeCADGui.ActiveDocument.ActiveView.getSceneGraph()
|
|
|
|
Console.PrintMessage("*** Adaptive toolpath processing started...\n")
|
|
|
|
# hide old toolpaths during recalculation
|
|
obj.Path = Path.Path("(Calculating...)")
|
|
|
|
# store old visibility state
|
|
job = op.getJob(obj)
|
|
oldObjVisibility = obj.ViewObject.Visibility
|
|
oldJobVisibility = job.ViewObject.Visibility
|
|
|
|
obj.ViewObject.Visibility = False
|
|
job.ViewObject.Visibility = False
|
|
|
|
FreeCADGui.updateGui()
|
|
try:
|
|
helixDiameter = obj.HelixDiameterLimit.Value
|
|
topZ = op.stock.Shape.BoundBox.ZMax
|
|
obj.Stopped = False
|
|
obj.StopProcessing = False
|
|
if obj.Tolerance < 0.001:
|
|
obj.Tolerance = 0.001
|
|
|
|
# Get list of working edges for adaptive algorithm
|
|
pathArray = _get_working_edges(op, obj)
|
|
|
|
path2d = convertTo2d(pathArray)
|
|
|
|
stockPaths = []
|
|
if op.stock.StockType == "CreateCylinder":
|
|
stockPaths.append([discretize(op.stock.Shape.Edges[0])])
|
|
|
|
else:
|
|
stockBB = op.stock.Shape.BoundBox
|
|
v = []
|
|
v.append(FreeCAD.Vector(stockBB.XMin, stockBB.YMin, 0))
|
|
v.append(FreeCAD.Vector(stockBB.XMax, stockBB.YMin, 0))
|
|
v.append(FreeCAD.Vector(stockBB.XMax, stockBB.YMax, 0))
|
|
v.append(FreeCAD.Vector(stockBB.XMin, stockBB.YMax, 0))
|
|
v.append(FreeCAD.Vector(stockBB.XMin, stockBB.YMin, 0))
|
|
stockPaths.append([v])
|
|
|
|
stockPath2d = convertTo2d(stockPaths)
|
|
|
|
opType = area.AdaptiveOperationType.ClearingInside
|
|
if obj.OperationType == "Clearing":
|
|
if obj.Side == "Outside":
|
|
opType = area.AdaptiveOperationType.ClearingOutside
|
|
|
|
else:
|
|
opType = area.AdaptiveOperationType.ClearingInside
|
|
|
|
else: # profiling
|
|
if obj.Side == "Outside":
|
|
opType = area.AdaptiveOperationType.ProfilingOutside
|
|
|
|
else:
|
|
opType = area.AdaptiveOperationType.ProfilingInside
|
|
|
|
keepToolDownRatio = 3.0
|
|
if hasattr(obj, 'KeepToolDownRatio'):
|
|
keepToolDownRatio = float(obj.KeepToolDownRatio)
|
|
|
|
# put here all properties that influence calculation of adaptive base paths,
|
|
|
|
inputStateObject = {
|
|
"tool": float(op.tool.Diameter),
|
|
"tolerance": float(obj.Tolerance),
|
|
"geometry": path2d,
|
|
"stockGeometry": stockPath2d,
|
|
"stepover": float(obj.StepOver),
|
|
"effectiveHelixDiameter": float(helixDiameter),
|
|
"operationType": obj.OperationType,
|
|
"side": obj.Side,
|
|
"forceInsideOut": obj.ForceInsideOut,
|
|
"finishingProfile": obj.FinishingProfile,
|
|
"keepToolDownRatio": keepToolDownRatio,
|
|
"stockToLeave": float(obj.StockToLeave)
|
|
}
|
|
|
|
inputStateChanged = False
|
|
adaptiveResults = None
|
|
|
|
if obj.AdaptiveOutputState is not None and obj.AdaptiveOutputState != "":
|
|
adaptiveResults = obj.AdaptiveOutputState
|
|
|
|
if json.dumps(obj.AdaptiveInputState) != json.dumps(inputStateObject):
|
|
inputStateChanged = True
|
|
adaptiveResults = None
|
|
|
|
# progress callback fn, if return true it will stop processing
|
|
def progressFn(tpaths):
|
|
for path in tpaths: # path[0] contains the MotionType, #path[1] contains list of points
|
|
if path[0] == area.AdaptiveMotionType.Cutting:
|
|
sceneDrawPath(path[1], (0, 0, 1))
|
|
|
|
else:
|
|
sceneDrawPath(path[1], (1, 0, 1))
|
|
|
|
FreeCADGui.updateGui()
|
|
|
|
return obj.StopProcessing
|
|
|
|
start = time.time()
|
|
|
|
if inputStateChanged or adaptiveResults is None:
|
|
a2d = area.Adaptive2d()
|
|
a2d.stepOverFactor = 0.01 * obj.StepOver
|
|
a2d.toolDiameter = float(op.tool.Diameter)
|
|
a2d.helixRampDiameter = helixDiameter
|
|
a2d.keepToolDownDistRatio = keepToolDownRatio
|
|
a2d.stockToLeave = float(obj.StockToLeave)
|
|
a2d.tolerance = float(obj.Tolerance)
|
|
a2d.forceInsideOut = obj.ForceInsideOut
|
|
a2d.finishingProfile = obj.FinishingProfile
|
|
a2d.opType = opType
|
|
|
|
# EXECUTE
|
|
results = a2d.Execute(stockPath2d, path2d, progressFn)
|
|
|
|
# need to convert results to python object to be JSON serializable
|
|
adaptiveResults = []
|
|
for result in results:
|
|
adaptiveResults.append({
|
|
"HelixCenterPoint": result.HelixCenterPoint,
|
|
"StartPoint": result.StartPoint,
|
|
"AdaptivePaths": result.AdaptivePaths,
|
|
"ReturnMotionType": result.ReturnMotionType})
|
|
|
|
# GENERATE
|
|
GenerateGCode(op, obj, adaptiveResults, helixDiameter)
|
|
|
|
if not obj.StopProcessing:
|
|
Console.PrintMessage("*** Done. Elapsed time: %f sec\n\n" %(time.time()-start))
|
|
obj.AdaptiveOutputState = adaptiveResults
|
|
obj.AdaptiveInputState = inputStateObject
|
|
|
|
else:
|
|
Console.PrintMessage("*** Processing cancelled (after: %f sec).\n\n" % (time.time()-start))
|
|
|
|
finally:
|
|
obj.ViewObject.Visibility = oldObjVisibility
|
|
job.ViewObject.Visibility = oldJobVisibility
|
|
sceneClean()
|
|
|
|
|
|
def _get_working_edges(op, obj):
|
|
"""_get_working_edges(op, obj)...
|
|
Compile all working edges from the Base Geometry selection (obj.Base)
|
|
for the current operation.
|
|
Additional modifications to selected region(face), such as extensions,
|
|
should be placed within this function.
|
|
"""
|
|
pathArray = list()
|
|
|
|
for base, subs in obj.Base:
|
|
for sub in subs:
|
|
if obj.UseOutline:
|
|
face = base.Shape.getElement(sub)
|
|
zmin = face.BoundBox.ZMin
|
|
# get face outline with same method in PocketShape
|
|
wire = TechDraw.findShapeOutline(face, 1, FreeCAD.Vector(0.0, 0.0, 1.0))
|
|
shape = Part.Face(wire)
|
|
# translate to face height if necessary
|
|
if shape.BoundBox.ZMin != zmin:
|
|
shape.translate(FreeCAD.Vector(0.0, 0.0, zmin - shape.BoundBox.ZMin))
|
|
else:
|
|
shape = base.Shape.getElement(sub)
|
|
|
|
for edge in shape.Edges:
|
|
pathArray.append([discretize(edge)])
|
|
|
|
return pathArray
|
|
|
|
|
|
class PathAdaptive(PathOp.ObjectOp):
|
|
def opFeatures(self, obj):
|
|
'''opFeatures(obj) ... returns the OR'ed list of features used and supported by the operation.
|
|
The default implementation returns "FeatureTool | FeatureDepths | FeatureHeights | FeatureStartPoint"
|
|
Should be overwritten by subclasses.'''
|
|
return PathOp.FeatureTool | PathOp.FeatureBaseEdges | PathOp.FeatureDepths | PathOp.FeatureFinishDepth | PathOp.FeatureStepDown | PathOp.FeatureHeights | PathOp.FeatureBaseGeometry | PathOp.FeatureCoolant
|
|
|
|
def initOperation(self, obj):
|
|
'''initOperation(obj) ... implement to create additional properties.
|
|
Should be overwritten by subclasses.'''
|
|
obj.addProperty("App::PropertyEnumeration", "Side", "Adaptive", "Side of selected faces that tool should cut")
|
|
obj.Side = ['Outside', 'Inside'] # side of profile that cutter is on in relation to direction of profile
|
|
|
|
obj.addProperty("App::PropertyEnumeration", "OperationType", "Adaptive", "Type of adaptive operation")
|
|
obj.OperationType = ['Clearing', 'Profiling'] # side of profile that cutter is on in relation to direction of profile
|
|
|
|
obj.addProperty("App::PropertyFloat", "Tolerance", "Adaptive", "Influences accuracy and performance")
|
|
obj.addProperty("App::PropertyPercent", "StepOver", "Adaptive", "Percent of cutter diameter to step over on each pass")
|
|
obj.addProperty("App::PropertyDistance", "LiftDistance", "Adaptive", "Lift distance for rapid moves")
|
|
obj.addProperty("App::PropertyDistance", "KeepToolDownRatio", "Adaptive", "Max length of keep tool down path compared to direct distance between points")
|
|
obj.addProperty("App::PropertyDistance", "StockToLeave", "Adaptive", "How much stock to leave (i.e. for finishing operation)")
|
|
# obj.addProperty("App::PropertyBool", "ProcessHoles", "Adaptive","Process holes as well as the face outline")
|
|
|
|
obj.addProperty("App::PropertyBool", "ForceInsideOut", "Adaptive", "Force plunging into material inside and clearing towards the edges")
|
|
obj.addProperty("App::PropertyBool", "FinishingProfile", "Adaptive", "To take a finishing profile path at the end")
|
|
obj.addProperty("App::PropertyBool", "Stopped",
|
|
"Adaptive", "Stop processing")
|
|
obj.setEditorMode('Stopped', 2) # hide this property
|
|
|
|
obj.addProperty("App::PropertyBool", "StopProcessing",
|
|
"Adaptive", "Stop processing")
|
|
obj.setEditorMode('StopProcessing', 2) # hide this property
|
|
|
|
obj.addProperty("App::PropertyBool", "UseHelixArcs", "Adaptive", "Use Arcs (G2) for helix ramp")
|
|
|
|
obj.addProperty("App::PropertyPythonObject", "AdaptiveInputState",
|
|
"Adaptive", "Internal input state")
|
|
obj.addProperty("App::PropertyPythonObject", "AdaptiveOutputState",
|
|
"Adaptive", "Internal output state")
|
|
obj.setEditorMode('AdaptiveInputState', 2) # hide this property
|
|
obj.setEditorMode('AdaptiveOutputState', 2) # hide this property
|
|
obj.addProperty("App::PropertyAngle", "HelixAngle", "Adaptive", "Helix ramp entry angle (degrees)")
|
|
obj.addProperty("App::PropertyAngle", "HelixConeAngle", "Adaptive", "Helix cone angle (degrees)")
|
|
obj.addProperty("App::PropertyLength", "HelixDiameterLimit", "Adaptive", "Limit helix entry diameter, if limit larger than tool diameter or 0, tool diameter is used")
|
|
|
|
obj.addProperty("App::PropertyBool", "UseOutline", "Adaptive", "Uses the outline of the base geometry.")
|
|
|
|
def opSetDefaultValues(self, obj, job):
|
|
obj.Side = "Inside"
|
|
obj.OperationType = "Clearing"
|
|
obj.Tolerance = 0.1
|
|
obj.StepOver = 20
|
|
obj.LiftDistance = 0
|
|
# obj.ProcessHoles = True
|
|
obj.ForceInsideOut = False
|
|
obj.FinishingProfile = True
|
|
obj.Stopped = False
|
|
obj.StopProcessing = False
|
|
obj.HelixAngle = 5
|
|
obj.HelixConeAngle = 0
|
|
obj.HelixDiameterLimit = 0.0
|
|
obj.AdaptiveInputState = ""
|
|
obj.AdaptiveOutputState = ""
|
|
obj.StockToLeave = 0
|
|
obj.KeepToolDownRatio = 3.0
|
|
obj.UseHelixArcs = False
|
|
obj.UseOutline = False
|
|
|
|
def opExecute(self, obj):
|
|
'''opExecute(obj) ... called whenever the receiver needs to be recalculated.
|
|
See documentation of execute() for a list of base functionality provided.
|
|
Should be overwritten by subclasses.'''
|
|
Execute(self, obj)
|
|
|
|
def opOnDocumentRestored(self, obj):
|
|
if not hasattr(obj, 'HelixConeAngle'):
|
|
obj.addProperty("App::PropertyAngle", "HelixConeAngle", "Adaptive", "Helix cone angle (degrees)")
|
|
|
|
if not hasattr(obj, "UseOutline"):
|
|
obj.addProperty("App::PropertyBool",
|
|
"UseOutline",
|
|
"Adaptive",
|
|
"Uses the outline of the base geometry.")
|
|
|
|
|
|
def Create(name, obj=None):
|
|
'''Create(name) ... Creates and returns a Adaptive operation.'''
|
|
if obj is None:
|
|
obj = FreeCAD.ActiveDocument.addObject("Path::FeaturePython", name)
|
|
obj.Proxy = PathAdaptive(obj, name)
|
|
return obj
|