def updateDepths(self, obj, ignoreErrors=False):
'''updateDepths(obj) ... base implementation calculating depths depending on base geometry.
Should not be overwritten.'''
def faceZmin(bb, fbb):
if fbb.ZMax == fbb.ZMin and fbb.ZMax == bb.ZMax: # top face
return fbb.ZMin
elif fbb.ZMax > fbb.ZMin and fbb.ZMax == bb.ZMax: # vertical face, full cut
return fbb.ZMin
elif fbb.ZMax > fbb.ZMin and fbb.ZMin > bb.ZMin: # internal vertical wall
return fbb.ZMin
elif fbb.ZMax == fbb.ZMin and fbb.ZMax > bb.ZMin: # face/shelf
return fbb.ZMin
return bb.ZMin
if not self._setBaseAndStock(obj, ignoreErrors):
return False
stockBB = self.stock.Shape.BoundBox
zmin = stockBB.ZMin
zmax = stockBB.ZMax
obj.OpStockZMin = zmin
obj.OpStockZMax = zmax
if hasattr(obj, 'Base') and obj.Base:
for base, sublist in obj.Base:
bb = base.Shape.BoundBox
zmax = max(zmax, bb.ZMax)
for sub in sublist:
try:
fbb = base.Shape.getElement(sub).BoundBox
zmin = max(zmin, faceZmin(bb, fbb))
zmax = max(zmax, fbb.ZMax)
except Part.OCCError as e:
PathLog.error(e)
else:
# clearing with stock boundaries
job = PathUtils.findParentJob(obj)
zmax = stockBB.ZMax
zmin = job.Proxy.modelBoundBox(job).ZMax
if FeatureDepths & self.opFeatures(obj):
# first set update final depth, it's value is not negotiable
if not PathGeom.isRoughly(obj.OpFinalDepth.Value, zmin):
obj.OpFinalDepth = zmin
zmin = obj.OpFinalDepth.Value
def minZmax(z):
if hasattr(obj, 'StepDown') and not PathGeom.isRoughly(
obj.StepDown.Value, 0):
return z + obj.StepDown.Value
else:
return z + 1
# ensure zmax is higher than zmin
if (zmax - 0.0001) <= zmin:
zmax = minZmax(zmin)
# update start depth if requested and required
if not PathGeom.isRoughly(obj.OpStartDepth.Value, zmax):
obj.OpStartDepth = zmax
else:
# every obj has a StartDepth
if obj.StartDepth.Value != zmax:
obj.StartDepth = zmax
self.opUpdateDepths(obj)
def test20(self):
'''Start and end are equal or start lower than finish '''
clearance_height = 15
rapid_safety_space = 12
start_depth = 10
step_down = 2
z_finish_step = 0
final_depth = 10
user_depths = None
expected = []
d = PU.depth_params(clearance_height, rapid_safety_space, start_depth,
step_down, z_finish_step, final_depth, user_depths)
r = d.get_depths()
self.assertListEqual(r, expected)
start_depth = 10
final_depth = 15
expected = []
d = PU.depth_params(clearance_height, rapid_safety_space, start_depth,
step_down, z_finish_step, final_depth, user_depths)
r = d.get_depths()
self.assertListEqual(r, expected)
def setDefaultValues(self, obj):
'''setDefaultValues(obj) ... base implementation.
Do not overwrite, overwrite opSetDefaultValues() instead.'''
PathUtils.addToJob(obj)
obj.Active = True
features = self.opFeatures(obj)
if FeatureTool & features:
obj.ToolController = PathUtils.findToolController(obj)
if FeatureDepths & features:
obj.StartDepth = 1.0
obj.FinalDepth = 0.0
if FeatureStepDown & features:
obj.StepDown = 1.0
if FeatureHeights & features:
obj.ClearanceHeight = 10.0
obj.SafeHeight = 8.0
if FeatureStartPoint & features:
obj.UseStartPoint = False
self.opSetDefaultValues(obj)
def execute(self, obj):
output = ""
toolLoad = PathUtils.getLastToolLoad(obj)
if toolLoad is None or toolLoad.ToolNumber == 0:
self.vertFeed = 100
self.horizFeed = 100
self.radius = 0.25
obj.ToolNumber = 0
obj.ToolDescription = "UNDEFINED"
else:
self.vertFeed = toolLoad.VertFeed.Value
self.horizFeed = toolLoad.HorizFeed.Value
tool = PathUtils.getTool(obj, toolLoad.ToolNumber)
self.radius = tool.Diameter/2
obj.ToolNumber = toolLoad.ToolNumber
obj.ToolDescription = toolLoad.Name
if obj.UserLabel == "":
obj.Label = obj.Name + " (" + obj.ToolDescription + ")"
else:
obj.Label = obj.UserLabel + " (" + obj.ToolDescription + ")"
output += "(remote gcode goes here)"
path = Path.Path(output)
obj.Path = path
def test20(self):
'''Start and end are equal or start lower than finish '''
clearance_height= 15
safe_height = 12
start_depth = 10
step_down = 2
z_finish_step = 0
final_depth = 10
user_depths = None
expected =[10]
d = PU.depth_params(clearance_height, safe_height, start_depth, step_down, z_finish_step, final_depth, user_depths)
r = [i for i in d]
self.assertListEqual (r, expected)
start_depth = 10
final_depth = 15
expected =[]
d = PU.depth_params(clearance_height, safe_height, start_depth, step_down, z_finish_step, final_depth, user_depths)
r = [i for i in d]
self.assertListEqual (r, expected)
def areaOpShapes(self, obj):
'''areaOpShapes(obj) ... return shapes representing the solids to be removed.'''
PathLog.track()
if obj.Base:
PathLog.debug("base items exist. Processing...")
removalshapes = []
for b in obj.Base:
PathLog.debug("Base item: {}".format(b))
for sub in b[1]:
if "Face" in sub:
shape = Part.makeCompound([getattr(b[0].Shape, sub)])
else:
edges = [getattr(b[0].Shape, sub) for sub in b[1]]
shape = Part.makeFace(edges, 'Part::FaceMakerSimple')
env = PathUtils.getEnvelope(self.baseobject.Shape, subshape=shape, depthparams=self.depthparams)
obj.removalshape = env.cut(self.baseobject.Shape)
removalshapes.append((obj.removalshape, False))
else: # process the job base object as a whole
PathLog.debug("processing the whole job base object")
env = PathUtils.getEnvelope(self.baseobject.Shape, subshape=None, depthparams=self.depthparams)
obj.removalshape = env.cut(self.baseobject.Shape)
removalshapes = [(obj.removalshape, False)]
return removalshapes
def findHoles(self, obj, shape):
import DraftGeomUtils as dgu
PathLog.track('obj: {} shape: {}'.format(obj, shape))
holelist = []
tooldiameter = obj.ToolController.Proxy.getTool(obj.ToolController).Diameter
PathLog.debug('search for holes larger than tooldiameter: {}: '.format(tooldiameter))
if dgu.isPlanar(shape):
PathLog.debug("shape is planar")
for i in range(len(shape.Edges)):
candidateEdgeName = "Edge" + str(i + 1)
e = shape.getElement(candidateEdgeName)
if PathUtils.isDrillable(shape, e, tooldiameter):
PathLog.debug('edge candidate: {} (hash {})is drillable '.format(e, e.hashCode()))
x = e.Curve.Center.x
y = e.Curve.Center.y
diameter = e.BoundBox.XLength
holelist.append({'featureName': candidateEdgeName, 'feature': e, 'x': x, 'y': y, 'd': diameter, 'enabled': True})
else:
PathLog.debug("shape is not planar")
for i in range(len(shape.Faces)):
candidateFaceName = "Face" + str(i + 1)
f = shape.getElement(candidateFaceName)
if PathUtils.isDrillable(shape, f, tooldiameter):
PathLog.debug('face candidate: {} is drillable '.format(f))
x = f.Surface.Center.x
y = f.Surface.Center.y
diameter = f.BoundBox.XLength
holelist.append({'featureName': candidateFaceName, 'feature': f, 'x': x, 'y': y, 'd': diameter, 'enabled': True})
PathLog.debug("holes found: {}".format(holelist))
return holelist
def drawLoops(loops):
nloop = 0
waterlinestring = ""
waterlinestring += "(waterline begin)"
for loop in loops:
p = loop[0]
loopstring = "(loop begin)" + "\n"
loopstring += "G0 Z" + str(obj.SafeHeight.Value) + "F " + PathUtils.fmt(self.vertRapid) + "\n"
loopstring += "G0 X" + \
str(fmt(p.x)) + " Y" + str(fmt(p.y)) + "F " + PathUtils.fmt(self.horizRapid) + "\n"
loopstring += "G1 Z" + str(fmt(p.z)) + "\n"
for p in loop[1:]:
loopstring += "G1 X" + \
str(fmt(p.x)) + " Y" + str(fmt(p.y)) + \
" Z" + str(fmt(p.z)) + "\n"
zheight = p.z
p = loop[0]
loopstring += "G1 X" + \
str(fmt(p.x)) + " Y" + str(fmt(p.y)) + \
" Z" + str(fmt(zheight)) + "\n"
loopstring += "(loop end)" + "\n"
print " loop ", nloop, " with ", len(loop), " points"
nloop = nloop + 1
waterlinestring += loopstring
waterlinestring += "(waterline end)" + "\n"
return waterlinestring
def areaOpShapes(self, obj):
'''areaOpShapes(obj) ... return top face'''
# Facing is done either against base objects
if obj.Base:
PathLog.debug("obj.Base: {}".format(obj.Base))
faces = []
for b in obj.Base:
for sub in b[1]:
shape = getattr(b[0].Shape, sub)
if isinstance(shape, Part.Face):
faces.append(shape)
else:
PathLog.debug('The base subobject is not a face')
return
planeshape = Part.makeCompound(faces)
PathLog.debug("Working on a collection of faces {}".format(faces))
# If no base object, do planing of top surface of entire model
else:
planeshape = self.baseobject.Shape
PathLog.debug("Working on a shape {}".format(self.baseobject.Name))
# Find the correct shape depending on Boundary shape.
PathLog.debug("Boundary Shape: {}".format(obj.BoundaryShape))
bb = planeshape.BoundBox
if obj.BoundaryShape == 'Boundbox':
bbperim = Part.makeBox(bb.XLength, bb.YLength, 1, FreeCAD.Vector(bb.XMin, bb.YMin, bb.ZMin), FreeCAD.Vector(0, 0, 1))
env = PathUtils.getEnvelope(partshape=bbperim, depthparams=self.depthparams)
elif obj.BoundaryShape == 'Stock':
stock = PathUtils.findParentJob(obj).Stock.Shape
env = stock
else:
env = PathUtils.getEnvelope(partshape=planeshape, depthparams=self.depthparams)
return [(env, False)]
def setDefaultValues(self, obj):
'''setDefaultValues(obj) ... base implementation.
Do not overwrite, overwrite opSetDefaultValues() instead.'''
job = PathUtils.addToJob(obj)
obj.Active = True
features = self.opFeatures(obj)
if FeatureTool & features:
obj.ToolController = PathUtils.findToolController(obj)
obj.OpToolDiameter = 1.0
if FeatureDepths & features:
obj.setExpression('StartDepth', job.SetupSheet.StartDepthExpression)
obj.setExpression('FinalDepth', job.SetupSheet.FinalDepthExpression)
obj.OpStartDepth = 1.0
obj.OpFinalDepth = 0.0
if FeatureStepDown & features:
obj.setExpression('StepDown', job.SetupSheet.StepDownExpression)
if FeatureHeights & features:
if job.SetupSheet.SafeHeightExpression:
obj.setExpression('SafeHeight', job.SetupSheet.SafeHeightExpression)
if job.SetupSheet.ClearanceHeightExpression:
obj.setExpression('ClearanceHeight', job.SetupSheet.ClearanceHeightExpression)
if FeatureStartPoint & features:
obj.UseStartPoint = False
self.opSetDefaultValues(obj)
obj.recompute()
def setup(self, obj):
debugPrint("Here we go ... ")
if hasattr(obj.Base, "BoneBlacklist"):
# dressing up a bone dressup
obj.Side = obj.Base.Side
else:
# otherwise dogbones are opposite of the base path's side
if obj.Base.Side == Side.Left:
obj.Side = Side.Right
elif obj.Base.Side == Side.Right:
obj.Side = Side.Left
else:
# This will cause an error, which is fine for now 'cause I don't know what to do here
obj.Side = 'On'
self.toolRadius = 5
toolLoad = PathUtils.getLastToolLoad(obj)
if toolLoad is None or toolLoad.ToolNumber == 0:
self.toolRadius = 5
else:
tool = PathUtils.getTool(obj, toolLoad.ToolNumber)
if not tool or tool.Diameter == 0:
self.toolRadius = 5
else:
self.toolRadius = tool.Diameter / 2
self.shapes = {}
self.dbg = []
def setFields(self):
self.form.startDepth.setText(FreeCAD.Units.Quantity(self.obj.StartDepth.Value, FreeCAD.Units.Length).UserString)
self.form.finalDepth.setText(FreeCAD.Units.Quantity(self.obj.FinalDepth.Value, FreeCAD.Units.Length).UserString)
self.form.finishDepth.setText(FreeCAD.Units.Quantity(self.obj.FinishDepth.Value, FreeCAD.Units.Length).UserString)
self.form.stepDown.setText(FreeCAD.Units.Quantity(self.obj.StepDown, FreeCAD.Units.Length).UserString)
self.form.safeHeight.setText(FreeCAD.Units.Quantity(self.obj.SafeHeight.Value, FreeCAD.Units.Length).UserString)
self.form.clearanceHeight.setText(FreeCAD.Units.Quantity(self.obj.ClearanceHeight.Value, FreeCAD.Units.Length).UserString)
controllers = PathUtils.getToolControllers(self.obj)
labels = [c.Label for c in controllers]
self.form.uiToolController.blockSignals(True)
self.form.uiToolController.addItems(labels)
self.form.uiToolController.blockSignals(False)
if self.obj.ToolController is not None:
index = self.form.uiToolController.findText(
self.obj.ToolController.Label, QtCore.Qt.MatchFixedString)
PathLog.debug("searching for TC label {}. Found Index: {}".format(self.obj.ToolController.Label, index))
if index >= 0:
self.form.uiToolController.blockSignals(True)
self.form.uiToolController.setCurrentIndex(index)
self.form.uiToolController.blockSignals(False)
else:
self.obj.ToolController = PathUtils.findToolController(self.obj)
for i in self.obj.Base:
self.form.baseList.addItem(i[0].Name)
index = self.form.algorithmSelect.findText(
self.obj.Algorithm, QtCore.Qt.MatchFixedString)
if index >= 0:
self.form.algorithmSelect.blockSignals(True)
self.form.algorithmSelect.setCurrentIndex(index)
self.form.algorithmSelect.blockSignals(False)
def execute(self, obj):
import Part # math #DraftGeomUtils
output = ""
toolLoad = PathUtils.getLastToolLoad(obj)
if toolLoad is None or toolLoad.ToolNumber == 0:
self.vertFeed = 100
self.horizFeed = 100
self.vertRapid = 100
self.horizRapid = 100
self.radius = 0.25
obj.ToolNumber = 0
obj.ToolDescription = "UNDEFINED"
else:
self.vertFeed = toolLoad.VertFeed.Value
self.horizFeed = toolLoad.HorizFeed.Value
self.vertRapid = toolLoad.VertRapid.Value
self.horizRapid = toolLoad.HorizRapid.Value
tool = PathUtils.getTool(obj, toolLoad.ToolNumber)
if not tool or tool.Diameter == 0:
self.radius = 0.25
else:
self.radius = tool.Diameter/2
obj.ToolNumber = toolLoad.ToolNumber
obj.ToolDescription = toolLoad.Name
self.setLabel(obj)
output += "(" + obj.Label + ")"
if not obj.UseComp:
output += "(Compensated Tool Path. Diameter: " + str(self.radius * 2) + ")"
else:
output += "(Uncompensated Tool Path)"
parentJob = PathUtils.findParentJob(obj)
if parentJob is None:
return
baseobject = parentJob.Base
if baseobject is None:
return
contourwire = TechDraw.findShapeOutline(baseobject.Shape,1, Vector(0,0,1))
edgelist = contourwire.Edges
edgelist = Part.__sortEdges__(edgelist)
try:
output += self._buildPathLibarea(obj, edgelist)
except:
FreeCAD.Console.PrintError("Something unexpected happened. Unable to generate a contour path. Check project and tool config.")
if obj.Active:
path = Path.Path(output)
obj.Path = path
if obj.ViewObject:
obj.ViewObject.Visibility = True
else:
path = Path.Path("(inactive operation)")
obj.Path = path
obj.ViewObject.Visibility = False
def _dropcutter(self, obj, s, bb):
import ocl
import time
cutter = ocl.CylCutter(self.radius * 2, 5)
pdc = ocl.PathDropCutter() # create a pdc
pdc.setSTL(s)
pdc.setCutter(cutter)
pdc.minimumZ = 0.25
pdc.setSampling(obj.SampleInterval)
# some parameters for this "zigzig" pattern
xmin = bb.XMin - cutter.getDiameter()
xmax = bb.XMax + cutter.getDiameter()
ymin = bb.YMin - cutter.getDiameter()
ymax = bb.YMax + cutter.getDiameter()
# number of lines in the y-direction
Ny = int(bb.YLength / cutter.getDiameter())
dy = float(ymax - ymin) / Ny # the y step-over
path = ocl.Path() # create an empty path object
# add Line objects to the path in this loop
for n in xrange(0, Ny):
y = ymin + n * dy
p1 = ocl.Point(xmin, y, 0) # start-point of line
p2 = ocl.Point(xmax, y, 0) # end-point of line
if (n % 2 == 0): # even
l = ocl.Line(p1, p2) # line-object
else: # odd
l = ocl.Line(p2, p1) # line-object
path.append(l) # add the line to the path
pdc.setPath(path)
# run drop-cutter on the path
t_before = time.time()
pdc.run()
t_after = time.time()
print "calculation took ", t_after - t_before, " s"
# retrieve the points
clp = pdc.getCLPoints()
print "points received: " + str(len(clp))
# generate the path commands
output = ""
output += "G0 Z" + str(obj.ClearanceHeight.Value) + "F " + PathUtils.fmt(self.vertRapid) + "\n"
output += "G0 X" + str(clp[0].x) + " Y" + str(clp[0].y) + "F " + PathUtils.fmt(self.horizRapid) + "\n"
output += "G1 Z" + str(clp[0].z) + " F" + str(self.vertFeed) + "\n"
for c in clp:
output += "G1 X" + str(c.x) + " Y" + \
str(c.y) + " Z" + str(c.z) + "\n"
return output
def execute(self,obj):
if obj.Base:
# tie the toolnumber to the PathLoadTool object ToolNumber
if len(obj.InList)>0: #check to see if obj is in the Project group yet
project = obj.InList[0]
tl = int(PathUtils.changeTool(obj,project))
obj.ToolNumber= tl
tool = PathUtils.getTool(obj,obj.ToolNumber)
if tool:
self.radius = tool.Diameter/2
else:
# temporary value,in case we don't have any tools defined already
self.radius = 0.25
# self.radius = 0.25
self.clearance = obj.ClearanceHeight.Value
self.step_down=obj.StepDown.Value
self.start_depth=obj.StartDepth.Value
self.final_depth=obj.FinalDepth.Value
self.rapid_safety_space=obj.RetractHeight.Value
self.side=obj.Side
self.offset_extra=obj.OffsetExtra.Value
self.use_CRC=obj.UseComp
self.vf=obj.VertFeed.Value
self.hf=obj.HorizFeed.Value
edgelist = []
if obj.StartPtName and obj.UseStartPt:
self.startpt = FreeCAD.ActiveDocument.getObject(obj.StartPtName).Shape
else:
self.startpt = None
if obj.EndPtName and obj.UseEndPt:
self.endpt = FreeCAD.ActiveDocument.getObject(obj.EndPtName).Shape
else:
self.endpt = None
for e in obj.Edgelist:
edgelist.append(FreeCAD.ActiveDocument.getObject(obj.Base[0].Name).Shape.Edges[e-1])
output=PathKurveUtils.makePath(edgelist,self.side,self.radius,self.vf,self.hf,self.offset_extra, \
self.rapid_safety_space,self.clearance,self.start_depth,self.step_down, \
self.final_depth,self.use_CRC,obj.Direction,self.startpt,self.endpt)
if obj.Active:
path = Path.Path(output)
obj.Path = path
obj.ViewObject.Visibility = True
else:
path = Path.Path("(inactive operation)")
obj.Path = path
obj.ViewObject.Visibility = False
def areaOpSetDefaultValues(self, obj):
'''areaOpSetDefaultValues(obj) ... initialize mill facing properties'''
# obj.StepOver = 50
# obj.ZigZagAngle = 45.0
# need to overwrite the default depth calculations for facing
job = PathUtils.findParentJob(obj)
if job and job.Base:
d = PathUtils.guessDepths(job.Base.Shape, None)
obj.OpStartDepth = d.safe_height
obj.OpFinalDepth = d.start_depth
def execute(self, obj):
output = ""
if obj.Comment != "":
output += '(' + str(obj.Comment)+')\n'
toolLoad = PathUtils.getLastToolLoad(obj)
if toolLoad is None or toolLoad.ToolNumber == 0:
self.vertFeed = 100
self.horizFeed = 100
self.radius = 0.25
obj.ToolNumber = 0
obj.ToolDescription = "UNDEFINED"
else:
self.vertFeed = toolLoad.VertFeed.Value
self.horizFeed = toolLoad.HorizFeed.Value
tool = PathUtils.getTool(obj, toolLoad.ToolNumber)
self.radius = tool.Diameter/2
obj.ToolNumber = toolLoad.ToolNumber
obj.ToolDescription = toolLoad.Name
if obj.UserLabel == "":
obj.Label = obj.Name + " :" + obj.ToolDescription
else:
obj.Label = obj.UserLabel + " :" + obj.ToolDescription
if obj.Base:
output += "G0 Z" + PathUtils.fmt(obj.ClearanceHeight.Value)+"\n"
wires = []
for o in obj.Base:
# we only consider the outer wire if this is a Face
for w in o[0].Shape.Wires:
tempedges = PathUtils.cleanedges(w.Edges, 0.5)
wires.append (Part.Wire(tempedges))
if obj.Algorithm == "OCC Native":
output += self.buildpathocc(obj, wires)
output += "G0 Z" + PathUtils.fmt(obj.ClearanceHeight.Value)+"\n"
# print output
if output == "":
output += "(No commands processed)"
if obj.Active:
path = Path.Path(output)
obj.Path = path
obj.ViewObject.Visibility = True
else:
path = Path.Path("(inactive operation)")
obj.Path = path
obj.ViewObject.Visibility = False
def setupToolController(self, obj, combo):
'''setupToolController(obj, combo) ... helper function to setup obj's ToolController in the given combo box.'''
controllers = PathUtils.getToolControllers(self.obj)
labels = [c.Label for c in controllers]
combo.blockSignals(True)
combo.addItems(labels)
combo.blockSignals(False)
if obj.ToolController is None:
obj.ToolController = PathUtils.findToolController(obj)
if obj.ToolController is not None:
self.selectInComboBox(obj.ToolController.Label, combo)
def opSetDefaultValues(self, obj, job):
'''opSetDefaultValues(obj, job) ... initialize defaults'''
# obj.ZigZagAngle = 45.0
obj.StepOver = 50
obj.Optimize = True
# need to overwrite the default depth calculations for facing
job = PathUtils.findParentJob(obj)
if job and job.Stock:
d = PathUtils.guessDepths(job.Stock.Shape, None)
obj.OpStartDepth = d.start_depth
obj.OpFinalDepth = d.final_depth
def opExecute(self, obj, getsim=False):
'''opExecute(obj, getsim=False) ... implementation of Path.Area ops.
determines the parameters for _buildPathArea().
Do not overwrite, implement
areaOpAreaParams(obj, isHole) ... op specific area param dictionary
areaOpPathParams(obj, isHole) ... op specific path param dictionary
areaOpShapes(obj) ... the shape for path area to process
areaOpUseProjection(obj) ... return true if operation can use projection
instead.'''
PathLog.track()
self.endVector = None
finish_step = obj.FinishDepth.Value if hasattr(obj, "FinishDepth") else 0.0
self.depthparams = PathUtils.depth_params(
clearance_height=obj.ClearanceHeight.Value,
safe_height=obj.SafeHeight.Value,
start_depth=obj.StartDepth.Value,
step_down=obj.StepDown.Value,
z_finish_step=finish_step,
final_depth=obj.FinalDepth.Value,
user_depths=None)
if PathOp.FeatureStartPoint & self.opFeatures(obj) and obj.UseStartPoint:
start = obj.StartPoint
else:
start = None
shapes = self.areaOpShapes(obj)
jobs = [{
'x': s[0].BoundBox.XMax,
'y': s[0].BoundBox.YMax,
'shape': s
} for s in shapes]
jobs = PathUtils.sort_jobs(jobs, ['x', 'y'])
shapes = [j['shape'] for j in jobs]
sims = []
for (shape, isHole) in shapes:
try:
(pp, sim) = self._buildPathArea(obj, shape, isHole, start, getsim)
self.commandlist.extend(pp.Commands)
sims.append(sim)
except Exception as e:
FreeCAD.Console.PrintError(e)
FreeCAD.Console.PrintError("Something unexpected happened. Check project and tool config.")
if self.areaOpRetractTool(obj):
self.endVector = None
return sims
def setFields(self):
self.form.startDepth.setText(FreeCAD.Units.Quantity(self.obj.StartDepth.Value, FreeCAD.Units.Length).UserString)
self.form.finalDepth.setText(FreeCAD.Units.Quantity(self.obj.FinalDepth.Value, FreeCAD.Units.Length).UserString)
self.form.safeHeight.setText(FreeCAD.Units.Quantity(self.obj.SafeHeight.Value, FreeCAD.Units.Length).UserString)
self.form.clearanceHeight.setText(FreeCAD.Units.Quantity(self.obj.ClearanceHeight.Value, FreeCAD.Units.Length).UserString)
self.form.stepDown.setText(FreeCAD.Units.Quantity(self.obj.StepDown.Value, FreeCAD.Units.Length).UserString)
self.form.extraOffset.setText(FreeCAD.Units.Quantity(self.obj.OffsetExtra.Value, FreeCAD.Units.Length).UserString)
self.form.rollRadius.setText(FreeCAD.Units.Quantity(self.obj.RollRadius.Value, FreeCAD.Units.Length).UserString)
self.form.useCompensation.setChecked(self.obj.UseComp)
self.form.useStartPoint.setChecked(self.obj.UseStartPoint)
self.form.useEndPoint.setChecked(self.obj.UseEndPoint)
self.form.processHoles.setChecked(self.obj.processHoles)
self.form.processPerimeter.setChecked(self.obj.processPerimeter)
self.form.processCircles.setChecked(self.obj.processCircles)
index = self.form.cutSide.findText(
self.obj.Side, QtCore.Qt.MatchFixedString)
if index >= 0:
self.form.cutSide.blockSignals(True)
self.form.cutSide.setCurrentIndex(index)
self.form.cutSide.blockSignals(False)
index = self.form.direction.findText(
self.obj.Direction, QtCore.Qt.MatchFixedString)
if index >= 0:
self.form.direction.blockSignals(True)
self.form.direction.setCurrentIndex(index)
self.form.direction.blockSignals(False)
controllers = PathUtils.getToolControllers(self.obj)
labels = [c.Label for c in controllers]
self.form.uiToolController.blockSignals(True)
self.form.uiToolController.addItems(labels)
self.form.uiToolController.blockSignals(False)
if self.obj.ToolController is not None:
index = self.form.uiToolController.findText(
self.obj.ToolController.Label, QtCore.Qt.MatchFixedString)
PathLog.debug("searching for TC label {}. Found Index: {}".format(self.obj.ToolController.Label, index))
if index >= 0:
self.form.uiToolController.blockSignals(True)
self.form.uiToolController.setCurrentIndex(index)
self.form.uiToolController.blockSignals(False)
else:
self.obj.ToolController = PathUtils.findToolController(self.obj)
self.form.baseList.blockSignals(True)
for i in self.obj.Base:
for sub in i[1]:
self.form.baseList.addItem(i[0].Name + "." + sub)
self.form.baseList.blockSignals(False)
self.form.update()
def setFields(self):
self.form.startDepth.setText(FreeCAD.Units.Quantity(self.obj.StartDepth.Value, FreeCAD.Units.Length).UserString)
self.form.finalDepth.setText(FreeCAD.Units.Quantity(self.obj.FinalDepth.Value, FreeCAD.Units.Length).UserString)
self.form.safeHeight.setText(FreeCAD.Units.Quantity(self.obj.SafeHeight.Value, FreeCAD.Units.Length).UserString)
self.form.clearanceHeight.setText(FreeCAD.Units.Quantity(self.obj.ClearanceHeight.Value, FreeCAD.Units.Length).UserString)
self.form.stepDown.setText(FreeCAD.Units.Quantity(self.obj.StepDown.Value, FreeCAD.Units.Length).UserString)
self.form.extraOffset.setText(FreeCAD.Units.Quantity(self.obj.MaterialAllowance, FreeCAD.Units.Length).UserString)
self.form.useStartPoint.setChecked(self.obj.UseStartPoint)
self.form.useZigZag.setChecked(self.obj.UseZigZag)
self.form.zigZagUnidirectional.setChecked(self.obj.ZigUnidirectional)
self.form.zigZagAngle.setText(FreeCAD.Units.Quantity(self.obj.ZigZagAngle, FreeCAD.Units.Angle).UserString)
self.form.stepOverPercent.setValue(self.obj.StepOver)
index = self.form.algorithmSelect.findText(self.obj.Algorithm, QtCore.Qt.MatchFixedString)
if index >= 0:
self.form.algorithmSelect.blockSignals(True)
self.form.algorithmSelect.setCurrentIndex(index)
self.form.algorithmSelect.blockSignals(False)
index = self.form.cutMode.findText(
self.obj.CutMode, QtCore.Qt.MatchFixedString)
if index >= 0:
self.form.cutMode.blockSignals(True)
self.form.cutMode.setCurrentIndex(index)
self.form.cutMode.blockSignals(False)
# for i in self.obj.Base:
# self.form.baseList.addItem(i[0].Name + "." + i[1][0])
self.form.baseList.blockSignals(True)
for i in self.obj.Base:
for sub in i[1]:
self.form.baseList.addItem(i[0].Name + "." + sub)
self.form.baseList.blockSignals(False)
controllers = PathUtils.getToolControllers(self.obj)
labels = [c.Label for c in controllers]
self.form.uiToolController.blockSignals(True)
self.form.uiToolController.addItems(labels)
self.form.uiToolController.blockSignals(False)
if self.obj.ToolController is not None:
index = self.form.uiToolController.findText(
self.obj.ToolController.Label, QtCore.Qt.MatchFixedString)
PathLog.debug("searching for TC label {}. Found Index: {}".format(self.obj.ToolController.Label, index))
if index >= 0:
self.form.uiToolController.blockSignals(True)
self.form.uiToolController.setCurrentIndex(index)
self.form.uiToolController.blockSignals(False)
else:
self.obj.ToolController = PathUtils.findToolController(self.obj)
def setFields(self):
self.form.startDepth.setText(FreeCAD.Units.Quantity(self.obj.StartDepth.Value, FreeCAD.Units.Length).UserString)
self.form.finalDepth.setText(FreeCAD.Units.Quantity(self.obj.FinalDepth.Value, FreeCAD.Units.Length).UserString)
self.form.finishDepth.setText(FreeCAD.Units.Quantity(self.obj.FinishDepth.Value, FreeCAD.Units.Length).UserString)
self.form.stepDown.setText(FreeCAD.Units.Quantity(self.obj.StepDown, FreeCAD.Units.Length).UserString)
self.form.safeHeight.setText(FreeCAD.Units.Quantity(self.obj.SafeHeight.Value, FreeCAD.Units.Length).UserString)
self.form.clearanceHeight.setText(FreeCAD.Units.Quantity(self.obj.ClearanceHeight.Value, FreeCAD.Units.Length).UserString)
self.form.stepOverPercent.setValue(self.obj.StepOver)
self.form.useZigZag.setChecked(self.obj.UseZigZag)
self.form.zigZagUnidirectional.setChecked(self.obj.ZigUnidirectional)
self.form.zigZagAngle.setValue(FreeCAD.Units.Quantity(self.obj.ZigZagAngle, FreeCAD.Units.Angle))
self.form.extraOffset.setValue(self.obj.PassExtension.Value)
index = self.form.cutMode.findText(
self.obj.CutMode, QtCore.Qt.MatchFixedString)
if index >= 0:
self.form.cutMode.blockSignals(True)
self.form.cutMode.setCurrentIndex(index)
self.form.cutMode.blockSignals(False)
index = self.form.boundaryShape.findText(
self.obj.BoundaryShape, QtCore.Qt.MatchFixedString)
if index >= 0:
self.form.boundaryShape.blockSignals(True)
self.form.boundaryShape.setCurrentIndex(index)
self.form.boundaryShape.blockSignals(False)
for i in self.obj.Base:
for sub in i[1]:
self.form.baseList.addItem(i[0].Name + "." + sub)
controllers = PathUtils.getToolControllers(self.obj)
labels = [c.Label for c in controllers]
self.form.uiToolController.blockSignals(True)
self.form.uiToolController.addItems(labels)
self.form.uiToolController.blockSignals(False)
if self.obj.ToolController is None:
self.obj.ToolController = PathUtils.findToolController(self.obj)
if self.obj.ToolController is not None:
index = self.form.uiToolController.findText(
self.obj.ToolController.Label, QtCore.Qt.MatchFixedString)
if index >= 0:
self.form.uiToolController.blockSignals(True)
self.form.uiToolController.setCurrentIndex(index)
self.form.uiToolController.blockSignals(False)
def onDelete(self, arg1=None, arg2=None):
'''this makes sure that the base operation is added back to the project and visible'''
FreeCADGui.ActiveDocument.getObject(arg1.Object.Base.Name).Visibility = True
job = PathUtils.findParentJob(arg1.Object)
job.Proxy.addOperation(arg1.Object.Base)
arg1.Object.Base = None
return True
def addBaseGeometry(self, selection):
added = False
shapes = self.obj.BaseShapes
for sel in selection:
job = PathUtils.findParentJob(self.obj)
base = job.Proxy.resourceClone(job, sel.Object)
if not base:
PathLog.notice((translate("Path", "%s is not a Base Model object of the job %s")+"\n") % (sel.Object.Label, job.Label))
continue
if base in shapes:
PathLog.notice((translate("Path", "Base shape %s already in the list")+"\n") % (sel.Object.Label))
continue
if base.isDerivedFrom('Part::Part2DObject'):
if sel.HasSubObjects:
# selectively add some elements of the drawing to the Base
for sub in sel.SubElementNames:
if 'Vertex' in sub:
PathLog.info(translate("Path", "Ignoring vertex"))
else:
self.obj.Proxy.addBase(self.obj, base, sub)
else:
# when adding an entire shape to BaseShapes we can take its sub shapes out of Base
self.obj.Base = [(p,el) for p,el in self.obj.Base if p != base]
shapes.append(base)
self.obj.BaseShapes = shapes
added = True
else:
# user wants us to engrave an edge of face of a base model
base = self.super().addBaseGeometry(selection)
added = added or base
return added
def Create():
obj = FreeCAD.ActiveDocument.addObject("Path::FeaturePython","Machine")
Machine(obj)
_ViewProviderMachine(obj.ViewObject)
PathUtils.addToProject(obj)
UnitParams = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Units")
if UnitParams.GetInt('UserSchema') == 0:
obj.MachineUnits = 'Metric'
#metric mode
else:
obj.MachineUnits = 'Inch'
obj.ViewObject.ShowFirstRapid = False
return obj
def _OpenCloseResourceEditor(obj, vobj, edit):
job = PathUtils.findParentJob(obj)
if job and job.ViewObject and job.ViewObject.Proxy:
if edit:
job.ViewObject.Proxy.editObject(obj)
else:
job.ViewObject.Proxy.uneditObject(obj)
def onChanged(self,obj,prop):
mode = 2
obj.setEditorMode('Placement',mode)
if prop == "PostProcessor":
sys.path.append(os.path.split(obj.PostProcessor)[0])
lessextn = os.path.splitext(obj.PostProcessor)[0]
postname = os.path.split(lessextn)[1]
exec "import %s as current_post" % postname
if hasattr (current_post, "UNITS"):
if current_post.UNITS == "G21":
obj.MachineUnits = "Metric"
else:
obj.MachineUnits = "Inch"
if hasattr (current_post, "MACHINE_NAME"): obj.MachineName = current_post.MACHINE_NAME
if hasattr (current_post, "CORNER_MAX"):
obj.X_Max = current_post.CORNER_MAX['x']
obj.Y_Max = current_post.CORNER_MAX['y']
obj.Z_Max = current_post.CORNER_MAX['z']
if hasattr (current_post, "CORNER_MIN"):
obj.X_Min = current_post.CORNER_MIN['x']
obj.Y_Min = current_post.CORNER_MIN['y']
obj.Z_Min = current_post.CORNER_MIN['z']
if prop == "Tooltable":
proj = PathUtils.findProj()
for g in proj.Group:
if not(isinstance(g.Proxy, PathScripts.PathMachine.Machine)):
g.touch()
def _buildPathLibarea(self, obj, edgelist):
import PathScripts.PathKurveUtils as PathKurveUtils
import math
import area
output = ""
if obj.Comment != "":
output += '(' + str(obj.Comment)+')\n'
if obj.StartPoint and obj.UseStartPoint:
startpoint = obj.StartPoint
else:
startpoint = None
if obj.EndPoint and obj.UseEndPoint:
endpoint = obj.EndPoint
else:
endpoint = None
PathKurveUtils.output('mem')
PathKurveUtils.feedrate_hv(self.horizFeed, self.vertFeed)
output = ""
output += "G0 Z" + str(obj.ClearanceHeight.Value) + "F " + PathUtils.fmt(self.vertRapid) + "\n"
curve = PathKurveUtils.makeAreaCurve(edgelist, obj.Direction, startpoint, endpoint)
roll_radius = 2.0
extend_at_start = 0.0
extend_at_end = 0.0
lead_in_line_len = 0.0
lead_out_line_len = 0.0
if obj.UseComp is False:
obj.Side = 'On'
else:
if obj.Direction == 'CW':
obj.Side = 'Left'
else:
obj.Side = 'Right'
PathKurveUtils.clear_tags()
for i in range(len(obj.locs)):
tag = obj.locs[i]
h = obj.heights[i]
l = obj.lengths[i]
a = math.radians(obj.angles[i])
PathKurveUtils.add_tag(area.Point(tag.x, tag.y), l, a, h)
depthparams = depth_params(
obj.ClearanceHeight.Value,
obj.SafeHeight.Value, obj.StartDepth.Value, obj.StepDown, 0.0,
obj.FinalDepth.Value, None)
PathKurveUtils.profile2(
curve, obj.Side, self.radius, self.vertFeed, self.horizFeed,
self.vertRapid, self.horizRapid, obj.OffsetExtra.Value, roll_radius,
None, None, depthparams, extend_at_start, extend_at_end,
lead_in_line_len, lead_out_line_len)
output += PathKurveUtils.retrieve_gcode()
return output
def execute(self,obj):
output = "G90 G98\n"
# rapid to first hole location, with spindle still retracted:
p0 = obj.locations[0]
output += "G0 X"+str(p0.x) + " Y" + str(p0.y)+ "\n"
# move tool to clearance plane
output += "G0 Z" + str(obj.ClearanceHeight.Value) + "\n"
if obj.PeckDepth.Value > 0:
cmd = "G83"
qword = " Q"+ str(obj.PeckDepth.Value)
else:
cmd = "G81"
qword = ""
for p in obj.locations:
output += cmd + " X" + str(p.x) + " Y" + str(p.y) + " Z" + str(obj.FinalDepth.Value) + qword + " R" + str(obj.RetractHeight.Value) + " F" + str(obj.VertFeed.Value) + "\n"
output += "G80\n"
print output
path = Path.Path(output)
obj.Path = path
# tie the toolnumber to the PathLoadTool object ToolNumber
if len(obj.InList)>0: #check to see if obj is in the Project group yet
project = obj.InList[0]
tl = int(PathUtils.changeTool(obj,project))
obj.ToolNumber= tl
def areaOpShapes(self, obj):
'''areaOpShapes(obj) ... returns envelope for all wires formed by the base edges.'''
PathLog.track()
if obj.UseComp:
self.commandlist.append(Path.Command("(Compensated Tool Path. Diameter: " + str(self.radius * 2) + ")"))
else:
self.commandlist.append(Path.Command("(Uncompensated Tool Path)"))
shapes = []
if obj.Base:
basewires = []
for b in obj.Base:
edgelist = []
for sub in b[1]:
edgelist.append(getattr(b[0].Shape, sub))
basewires.append((b[0], findWires(edgelist)))
for base,wires in basewires:
for wire in wires:
f = Part.makeFace(wire, 'Part::FaceMakerSimple')
# shift the compound to the bottom of the base object for
# proper sectioning
zShift = b[0].Shape.BoundBox.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 export(objectslist, filename, argstring):
if not processArguments(argstring):
return None
global UNITS
global UNIT_SPEED_FORMAT
for obj in objectslist:
if not hasattr(obj, "Path"):
print("the object " + obj.Name +
" is not a path. Please select only path and Compounds.")
return None
print("postprocessing...")
gcode = ""
# write header
if OUTPUT_HEADER:
gcode += linenumber() + "(Exported by FreeCAD)\n"
gcode += linenumber() + "(Post Processor: " + __name__ + ")\n"
gcode += linenumber() + "(Output Time:" + str(now) + ")\n"
# Write the preamble
if OUTPUT_COMMENTS:
gcode += linenumber() + "(begin preamble)\n"
for line in PREAMBLE.splitlines(False):
gcode += linenumber() + line + "\n"
gcode += linenumber() + UNITS + "\n"
for obj in objectslist:
# fetch machine details
job = PathUtils.findParentJob(obj)
myMachine = 'not set'
if hasattr(job, "MachineName"):
myMachine = job.MachineName
if hasattr(job, "MachineUnits"):
if job.MachineUnits == "Metric":
UNITS = "G21"
UNIT_SPEED_FORMAT = 'mm/min'
else:
UNITS = "G20"
UNIT_SPEED_FORMAT = 'in/min'
# do the pre_op
if OUTPUT_COMMENTS:
gcode += linenumber() + "(begin operation: %s)\n" % obj.Label
gcode += linenumber() + "(machine: %s, %s)\n" % (myMachine,
UNIT_SPEED_FORMAT)
for line in PRE_OPERATION.splitlines(True):
gcode += linenumber() + line
gcode += parse(obj)
# do the post_op
if OUTPUT_COMMENTS:
gcode += linenumber() + "(finish operation: %s)\n" % obj.Label
for line in POST_OPERATION.splitlines(True):
gcode += linenumber() + line
# do the post_amble
if OUTPUT_COMMENTS:
gcode += "(begin postamble)\n"
for line in POSTAMBLE.splitlines(True):
gcode += linenumber() + line
if FreeCAD.GuiUp and SHOW_EDITOR:
dia = PostUtils.GCodeEditorDialog()
dia.editor.setText(gcode)
result = dia.exec_()
if result:
final = dia.editor.toPlainText()
else:
final = gcode
else:
final = gcode
print("done postprocessing.")
if not filename == '-':
gfile = pythonopen(filename, "wb")
gfile.write(final)
gfile.close()
return final
def execute(self, obj):
if obj.Base:
# tie the toolnumber to the PathLoadTool object ToolNumber
if len(obj.InList
) > 0: #check to see if obj is in the Project group yet
project = obj.InList[0]
tl = int(PathUtils.changeTool(obj, project))
obj.ToolNumber = tl
tool = PathUtils.getTool(obj, obj.ToolNumber)
if tool:
radius = tool.Diameter / 2
else:
# temporary value, to be taken from the properties later on
radius = 0.001
if obj.Base[0].Shape.ShapeType == "Wire": #a pure wire was picked
wire = obj.Base[0].Shape
else: #we are dealing with a face and it's edges or just a face
if obj.Edge1:
e1 = FreeCAD.ActiveDocument.getObject(
obj.Base[0].Name).Shape.Edges[
eval(obj.Edge1[1][0].lstrip('Edge')) - 1]
if e1.BoundBox.ZMax <> e1.BoundBox.ZMin:
FreeCAD.Console.PrintError(
'vertical edges not valid yet\n')
return
if obj.Base[0].Shape.ShapeType == 'Wire':
wire = obj.Base[0].Shape
if obj.Base[0].Shape.ShapeType == 'Solid' or obj.Base[
0].Shape.ShapeType == 'Compound':
shape = obj.Base[0].Shape
for fw in shape.Wires:
if (fw.BoundBox.ZMax == e1.BoundBox.ZMax) and (
fw.BoundBox.ZMin == e1.BoundBox.ZMin):
for e in fw.Edges:
if e.isSame(e1):
#FreeCAD.Console.PrintMessage('found the same objects\n')
wire = fw
elif obj.Face1: # we are only dealing with a face or faces
f1 = FreeCAD.ActiveDocument.getObject(
obj.Base[0].Name).Shape.Faces[
eval(obj.Face1[1][0].lstrip('Face')) - 1]
# make the side Left and direction CW for normal cnc milling
obj.Direction = 'CW'
obj.Side = "Left"
# we only consider the outer wire if this is a single Face
wire = f1.OuterWire
if obj.Direction == 'CCW':
clockwise = False
else:
clockwise = True
output = ""
output += '(' + str(obj.Comment) + ')\n'
FirstEdge = None
if obj.Edge1:
ename = obj.Edge1[1][0]
edgeNumber = int(ename[4:]) - 1
FirstEdge = obj.Base[0].Shape.Edges[edgeNumber]
ZMax = obj.Base[0].Shape.BoundBox.ZMax
ZCurrent = obj.ClearanceHeight.Value
if obj.UseStartDepth:
output += PathUtils.MakePath(
wire, obj.Side, radius, clockwise,
obj.ClearanceHeight.Value, obj.StepDown.Value,
obj.StartDepth.Value, obj.FinalDepth.Value, FirstEdge,
obj.PathClosed, obj.SegLen.Value, obj.VertFeed.Value,
obj.HorizFeed.Value)
else:
output += PathUtils.MakePath(
wire, obj.Side, radius, clockwise,
obj.ClearanceHeight.Value, obj.StepDown.Value, ZMax,
obj.FinalDepth.Value, FirstEdge, obj.PathClosed,
obj.SegLen.Value, obj.VertFeed.Value, obj.HorizFeed.Value)
if obj.Active:
path = Path.Path(output)
obj.Path = path
obj.ViewObject.Visibility = True
else:
path = Path.Path("(inactive operation)")
obj.Path = path
obj.ViewObject.Visibility = False
def execute(self, obj):
import Part # math #DraftGeomUtils
output = ""
toolLoad = PathUtils.getLastToolLoad(obj)
if toolLoad is None or toolLoad.ToolNumber == 0:
self.vertFeed = 100
self.horizFeed = 100
self.vertRapid = 100
self.horizRapid = 100
self.radius = 0.25
obj.ToolNumber = 0
obj.ToolDescription = "UNDEFINED"
else:
self.vertFeed = toolLoad.VertFeed.Value
self.horizFeed = toolLoad.HorizFeed.Value
self.vertRapid = toolLoad.VertRapid.Value
self.horizRapid = toolLoad.HorizRapid.Value
tool = PathUtils.getTool(obj, toolLoad.ToolNumber)
if not tool or tool.Diameter == 0:
self.radius = 0.25
else:
self.radius = tool.Diameter / 2
obj.ToolNumber = toolLoad.ToolNumber
obj.ToolDescription = toolLoad.Name
if obj.UserLabel == "":
obj.Label = obj.Name + " :" + obj.ToolDescription
else:
obj.Label = obj.UserLabel + " :" + obj.ToolDescription
output += "(" + obj.Label + ")"
if not obj.UseComp:
output += "(Compensated Tool Path. Diameter: " + str(
self.radius * 2) + ")"
else:
output += "(Uncompensated Tool Path)"
parentJob = PathUtils.findParentJob(obj)
if parentJob is None:
return
baseobject = parentJob.Base
if baseobject is None:
return
contourwire = TechDraw.findShapeOutline(baseobject.Shape, 1,
Vector(0, 0, 1))
edgelist = contourwire.Edges
edgelist = Part.__sortEdges__(edgelist)
try:
output += self._buildPathLibarea(obj, edgelist)
except:
FreeCAD.Console.PrintError(
"Something unexpected happened. Unable to generate a contour path. Check project and tool config."
)
if obj.Active:
path = Path.Path(output)
obj.Path = path
if obj.ViewObject:
obj.ViewObject.Visibility = True
else:
path = Path.Path("(inactive operation)")
obj.Path = path
obj.ViewObject.Visibility = False
def execute(self, obj):
import Part # math #DraftGeomUtils
output = ""
toolLoad = PathUtils.getLastToolLoad(obj)
if toolLoad is None or toolLoad.ToolNumber == 0:
self.vertFeed = 100
self.horizFeed = 100
self.vertRapid = 100
self.horizRapid = 100
self.radius = 0.25
obj.ToolNumber = 0
obj.ToolDescription = "UNDEFINED"
else:
self.vertFeed = toolLoad.VertFeed.Value
self.horizFeed = toolLoad.HorizFeed.Value
self.vertRapid = toolLoad.VertRapid.Value
self.horizRapid = toolLoad.HorizRapid.Value
tool = PathUtils.getTool(obj, toolLoad.ToolNumber)
if tool.Diameter == 0:
self.radius = 0.25
else:
self.radius = tool.Diameter/2
obj.ToolNumber = toolLoad.ToolNumber
obj.ToolDescription = toolLoad.Name
if obj.UserLabel == "":
obj.Label = obj.Name + " :" + obj.ToolDescription
else:
obj.Label = obj.UserLabel + " :" + obj.ToolDescription
output += "(" + obj.Label + ")"
if obj.Side != "On":
output += "(Compensated Tool Path. Diameter: " + str(self.radius * 2) + ")"
else:
output += "(Uncompensated Tool Path)"
if obj.Base:
wires = []
for b in obj.Base:
edgelist = []
for sub in b[1]:
edgelist.append(getattr(b[0].Shape, sub))
wires.extend(findWires(edgelist))
for wire in wires:
edgelist = wire.Edges
edgelist = Part.__sortEdges__(edgelist)
output += self._buildPathLibarea(obj, edgelist)
if obj.Active:
path = Path.Path(output)
obj.Path = path
obj.ViewObject.Visibility = True
else:
path = Path.Path("(inactive operation)")
obj.Path = path
obj.ViewObject.Visibility = False
def _buildPathArea(self, obj, baseobject, isHole, start, getsim):
"""_buildPathArea(obj, baseobject, isHole, start, getsim) ... internal function."""
PathLog.track()
area = Path.Area()
area.setPlane(PathUtils.makeWorkplane(baseobject))
area.add(baseobject)
areaParams = self.areaOpAreaParams(obj, isHole)
heights = [i for i in self.depthparams]
PathLog.debug("depths: {}".format(heights))
area.setParams(**areaParams)
obj.AreaParams = str(area.getParams())
PathLog.debug("Area with params: {}".format(area.getParams()))
sections = area.makeSections(
mode=0, project=self.areaOpUseProjection(obj), heights=heights
)
PathLog.debug("sections = %s" % sections)
shapelist = [sec.getShape() for sec in sections]
PathLog.debug("shapelist = %s" % shapelist)
pathParams = self.areaOpPathParams(obj, isHole)
pathParams["shapes"] = shapelist
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 not None:
pathParams["start"] = self.endVector
elif PathOp.FeatureStartPoint & self.opFeatures(obj) and obj.UseStartPoint:
pathParams["start"] = obj.StartPoint
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)
PathLog.debug("pp: {}, end vector: {}".format(pp, end_vector))
self.endVector = end_vector
simobj = None
if getsim:
areaParams["Thicken"] = True
areaParams["ToolRadius"] = self.radius - self.radius * 0.005
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 pp, simobj
def updateToolController(self, obj, combo):
'''updateToolController(obj, combo) ... helper function to update obj's ToolController property if a different one has been selected in the combo box.'''
tc = PathUtils.findToolController(obj, combo.currentText())
if obj.ToolController != tc:
obj.ToolController = tc
def execute(self, obj):
output = ""
if obj.Comment != "":
output += '(' + str(obj.Comment)+')\n'
toolLoad = PathUtils.getLastToolLoad(obj)
if toolLoad is None or toolLoad.ToolNumber == 0:
self.vertFeed = 100
self.horizFeed = 100
self.vertRapid = 100
self.horizRapid = 100
self.radius = 0.25
obj.ToolNumber = 0
obj.ToolDescription = "UNDEFINED"
else:
self.vertFeed = toolLoad.VertFeed.Value
self.horizFeed = toolLoad.HorizFeed.Value
self.vertRapid = toolLoad.VertRapid.Value
self.horizRapid = toolLoad.HorizRapid.Value
tool = PathUtils.getTool(obj, toolLoad.ToolNumber)
if tool.Diameter == 0:
self.radius = 0.25
else:
self.radius = tool.Diameter/2
obj.ToolNumber = toolLoad.ToolNumber
obj.ToolDescription = toolLoad.Name
if obj.UserLabel == "":
obj.Label = obj.Name + " :" + obj.ToolDescription
else:
obj.Label = obj.UserLabel + " :" + obj.ToolDescription
locations = []
output = "(Begin Drilling)\n"
if obj.Base:
for loc in obj.Base:
#print loc
for sub in loc[1]:
#locations.append(self._findDrillingVector(loc))
if "Face" in sub or "Edge" in sub:
s = getattr(loc[0].Shape, sub)
else:
s = loc[0].Shape
if s.ShapeType in ['Wire', 'Edge']:
X = s.Edges[0].Curve.Center.x
Y = s.Edges[0].Curve.Center.y
Z = s.Edges[0].Curve.Center.z
elif s.ShapeType in ['Vertex']:
X = s.Point.x
Y = s.Point.y
Z = s.Point.z
elif s.ShapeType in ['Face']:
#if abs(s.normalAt(0, 0).z) == 1: # horizontal face
X = s.CenterOfMass.x
Y = s.CenterOfMass.y
Z = s.CenterOfMass.z
locations.append(FreeCAD.Vector(X, Y, Z))
output += "G90 G98\n"
# rapid to clearance height
output += "G0 Z" + str(obj.ClearanceHeight.Value) + "F " + PathUtils.fmt(self.vertRapid) + "\n"
# rapid to first hole location, with spindle still retracted:
p0 = locations[0]
output += "G0 X" + fmt(p0.x) + " Y" + fmt(p0.y) + "F " + PathUtils.fmt(self.horizRapid) + "\n"
# move tool to clearance plane
output += "G0 Z" + fmt(obj.ClearanceHeight.Value) + "F " + PathUtils.fmt(self.vertRapid) + "\n"
pword = ""
qword = ""
if obj.PeckDepth.Value > 0:
cmd = "G83"
qword = " Q" + fmt(obj.PeckDepth.Value)
elif obj.DwellTime > 0:
cmd = "G82"
pword = " P" + fmt(obj.DwellTime)
else:
cmd = "G81"
for p in locations:
output += cmd + \
" X" + fmt(p.x) + \
" Y" + fmt(p.y) + \
" Z" + fmt(obj.FinalDepth.Value) + qword + pword + \
" R" + str(obj.RetractHeight.Value) + \
" F" + str(self.vertFeed) + "\n" \
output += "G80\n"
# path = Path.Path(output)
# obj.Path = path
if obj.Active:
path = Path.Path(output)
obj.Path = path
obj.ViewObject.Visibility = True
else:
path = Path.Path("(inactive operation)")
obj.Path = path
obj.ViewObject.Visibility = False
def execute(self, obj):
PathLog.track()
if not obj.Active:
path = Path.Path("(inactive operation)")
obj.Path = path
obj.ViewObject.Visibility = False
return
commandlist = []
toolLoad = obj.ToolController
self.depthparams = depth_params(
clearance_height=obj.ClearanceHeight.Value,
safe_height=obj.SafeHeight.Value,
start_depth=obj.SafeHeight.Value,
step_down=obj.StepDown,
z_finish_step=obj.FinishDepth.Value,
final_depth=obj.FinalDepth.Value,
user_depths=None)
if toolLoad is None or toolLoad.ToolNumber == 0:
FreeCAD.Console.PrintError("No Tool Controller is selected. We need a tool to build a Path.")
return
else:
self.vertFeed = toolLoad.VertFeed.Value
self.horizFeed = toolLoad.HorizFeed.Value
self.vertRapid = toolLoad.VertRapid.Value
self.horizRapid = toolLoad.HorizRapid.Value
tool = toolLoad.Proxy.getTool(toolLoad)
if tool.Diameter == 0:
FreeCAD.Console.PrintError("No Tool found or diameter is zero. We need a tool to build a Path.")
return
else:
self.radius = tool.Diameter/2
commandlist.append(Path.Command("(" + obj.Label + ")"))
# Facing is done either against base objects
if obj.Base:
PathLog.debug("obj.Base: {}".format(obj.Base))
faces = []
for b in obj.Base:
for sub in b[1]:
shape = getattr(b[0].Shape, sub)
if isinstance(shape, Part.Face):
faces.append(shape)
else:
PathLog.debug('The base subobject is not a face')
return
planeshape = Part.makeCompound(faces)
PathLog.info("Working on a collection of faces {}".format(faces))
# If no base object, do planing of top surface of entire model
else:
parentJob = PathUtils.findParentJob(obj)
if parentJob is None:
PathLog.debug("No base object. No parent job found")
return
baseobject = parentJob.Base
if baseobject is None:
PathLog.debug("Parent job exists but no Base Object")
return
planeshape = baseobject.Shape
PathLog.info("Working on a shape {}".format(baseobject.Name))
# if user wants the boundbox, calculate that
PathLog.info("Boundary Shape: {}".format(obj.BoundaryShape))
bb = planeshape.BoundBox
if obj.BoundaryShape == 'Boundbox':
bbperim = Part.makeBox(bb.XLength, bb.YLength, 1, FreeCAD.Vector(bb.XMin, bb.YMin, bb.ZMin), FreeCAD.Vector(0, 0, 1))
env = PathUtils.getEnvelope(partshape=bbperim, depthparams=self.depthparams)
else:
env = PathUtils.getEnvelope(partshape=planeshape, depthparams=self.depthparams)
# save the envelope for reference
obj.removalshape = env
try:
commandlist.extend(self._buildPathArea(obj, env).Commands)
except Exception as e:
FreeCAD.Console.PrintError(e)
FreeCAD.Console.PrintError(translate("Path_MillFace", "The selected settings did not produce a valid path.\n"))
# Let's finish by rapid to clearance...just for safety
commandlist.append(Path.Command("G0", {"Z": obj.ClearanceHeight.Value}))
path = Path.Path(commandlist)
obj.Path = path
def findHoles(self, obj, baseobject):
'''findHoles(obj, baseobject) ... inspect baseobject and identify all features that resemble a straight cricular hole.'''
shape = baseobject.Shape
PathLog.track('obj: {} shape: {}'.format(obj, shape))
holelist = []
features = []
# tooldiameter = float(obj.ToolController.Proxy.getTool(obj.ToolController).Diameter)
tooldiameter = None
PathLog.debug('search for holes larger than tooldiameter: {}: '.format(
tooldiameter))
if DraftGeomUtils.isPlanar(shape):
PathLog.debug("shape is planar")
for i in range(len(shape.Edges)):
candidateEdgeName = "Edge" + str(i + 1)
e = shape.getElement(candidateEdgeName)
if PathUtils.isDrillable(shape, e, tooldiameter):
PathLog.debug(
'edge candidate: {} (hash {})is drillable '.format(
e, e.hashCode()))
x = e.Curve.Center.x
y = e.Curve.Center.y
diameter = e.BoundBox.XLength
holelist.append({
'featureName': candidateEdgeName,
'feature': e,
'x': x,
'y': y,
'd': diameter,
'enabled': True
})
features.append((baseobject, candidateEdgeName))
PathLog.debug("Found hole feature %s.%s" %
(baseobject.Label, candidateEdgeName))
else:
PathLog.debug("shape is not planar")
for i in range(len(shape.Faces)):
candidateFaceName = "Face" + str(i + 1)
f = shape.getElement(candidateFaceName)
if PathUtils.isDrillable(shape, f, tooldiameter):
PathLog.debug('face candidate: {} is drillable '.format(f))
if hasattr(f.Surface, 'Center'):
x = f.Surface.Center.x
y = f.Surface.Center.y
diameter = f.BoundBox.XLength
else:
center = f.Edges[0].Curve.Center
x = center.x
y = center.y
diameter = f.Edges[0].Curve.Radius * 2
holelist.append({
'featureName': candidateFaceName,
'feature': f,
'x': x,
'y': y,
'd': diameter,
'enabled': True
})
features.append((baseobject, candidateFaceName))
PathLog.debug("Found hole feature %s.%s" %
(baseobject.Label, candidateFaceName))
PathLog.debug("holes found: {}".format(holelist))
return features
def opExecute(self, obj):
'''opExecute(obj) ... processes all Base features and Locations and collects
them in a list of positions and radii which is then passed to circularHoleExecute(obj, holes).
If no Base geometries and no Locations are present, the job's Base is inspected and all
drillable features are added to Base. In this case appropriate values for depths are also
calculated and assigned.
Do not overwrite, implement circularHoleExecute(obj, holes) instead.'''
PathLog.track()
holes = []
baseSubsTuples = []
subCount = 0
allTuples = []
self.cloneNames = [] # pylint: disable=attribute-defined-outside-init
self.guiMsgs = [] # pylint: disable=attribute-defined-outside-init
self.rotateFlag = False # pylint: disable=attribute-defined-outside-init
self.useTempJobClones('Delete') # pylint: disable=attribute-defined-outside-init
self.stockBB = PathUtils.findParentJob(obj).Stock.Shape.BoundBox # pylint: disable=attribute-defined-outside-init
self.clearHeight = obj.ClearanceHeight.Value # pylint: disable=attribute-defined-outside-init
self.safeHeight = obj.SafeHeight.Value # pylint: disable=attribute-defined-outside-init
self.axialFeed = 0.0 # pylint: disable=attribute-defined-outside-init
self.axialRapid = 0.0 # pylint: disable=attribute-defined-outside-init
def haveLocations(self, obj):
if PathOp.FeatureLocations & self.opFeatures(obj):
return len(obj.Locations) != 0
return False
if obj.EnableRotation == 'Off':
strDep = obj.StartDepth.Value
finDep = obj.FinalDepth.Value
else:
# Calculate operation heights based upon rotation radii
opHeights = self.opDetermineRotationRadii(obj)
(self.xRotRad, self.yRotRad, self.zRotRad) = opHeights[0] # pylint: disable=attribute-defined-outside-init
(clrOfset, safOfst) = opHeights[1]
PathLog.debug("Exec. opHeights[0]: " + str(opHeights[0]))
PathLog.debug("Exec. opHeights[1]: " + str(opHeights[1]))
# Set clearance and safe heights based upon rotation radii
if obj.EnableRotation == 'A(x)':
strDep = self.xRotRad
elif obj.EnableRotation == 'B(y)':
strDep = self.yRotRad
else:
strDep = max(self.xRotRad, self.yRotRad)
finDep = -1 * strDep
obj.ClearanceHeight.Value = strDep + clrOfset
obj.SafeHeight.Value = strDep + safOfst
# Create visual axes when debugging.
if PathLog.getLevel(PathLog.thisModule()) == 4:
self.visualAxis()
# Set axial feed rates based upon horizontal feed rates
safeCircum = 2 * math.pi * obj.SafeHeight.Value
self.axialFeed = 360 / safeCircum * self.horizFeed # pylint: disable=attribute-defined-outside-init
self.axialRapid = 360 / safeCircum * self.horizRapid # pylint: disable=attribute-defined-outside-init
# Complete rotational analysis and temp clone creation as needed
if obj.EnableRotation == 'Off':
PathLog.debug("Enable Rotation setting is 'Off' for {}.".format(
obj.Name))
stock = PathUtils.findParentJob(obj).Stock
for (base, subList) in obj.Base:
baseSubsTuples.append((base, subList, 0.0, 'A', stock))
else:
for p in range(0, len(obj.Base)):
(base, subsList) = obj.Base[p]
for sub in subsList:
if self.isHoleEnabled(obj, base, sub):
shape = getattr(base.Shape, sub)
rtn = False
(norm, surf) = self.getFaceNormAndSurf(shape)
(rtn, angle, axis,
praInfo) = self.faceRotationAnalysis(obj, norm, surf) # pylint: disable=unused-variable
if rtn is True:
(clnBase, angle, clnStock,
tag) = self.applyRotationalAnalysis(
obj, base, angle, axis, subCount)
# Verify faces are correctly oriented - InverseAngle might be necessary
PathLog.debug(
"Verifying {} orientation: running faceRotationAnalysis() again."
.format(sub))
faceIA = getattr(clnBase.Shape, sub)
(norm, surf) = self.getFaceNormAndSurf(faceIA)
(rtn, praAngle, praAxis,
praInfo) = self.faceRotationAnalysis(
obj, norm, surf) # pylint: disable=unused-variable
if rtn is True:
msg = obj.Name + ":: "
msg += translate(
"Path",
"{} might be misaligned after initial rotation."
.format(sub)) + " "
if obj.AttemptInverseAngle is True and obj.InverseAngle is False:
(clnBase, clnStock,
angle) = self.applyInverseAngle(
obj, clnBase, clnStock, axis, angle)
msg += translate(
"Path",
"Rotated to 'InverseAngle' to attempt access."
)
else:
if len(subsList) == 1:
msg += translate(
"Path",
"Consider toggling the 'InverseAngle' property and recomputing."
)
else:
msg += translate(
"Path",
"Consider transferring '{}' to independent operation."
.format(sub))
PathLog.warning(msg)
# title = translate("Path", 'Rotation Warning')
# self.guiMessage(title, msg, False)
else:
PathLog.debug(
"Face appears to be oriented correctly.")
cmnt = "{}: {} @ {}; ".format(
sub, axis, str(round(angle, 5)))
if cmnt not in obj.Comment:
obj.Comment += cmnt
tup = clnBase, sub, tag, angle, axis, clnStock
allTuples.append(tup)
else:
if self.warnDisabledAxis(obj, axis, sub) is True:
pass # Skip drill feature due to access issue
else:
PathLog.debug(str(sub) + ": No rotation used")
axis = 'X'
angle = 0.0
tag = base.Name + '_' + axis + str(
angle).replace('.', '_')
stock = PathUtils.findParentJob(obj).Stock
tup = base, sub, tag, angle, axis, stock
allTuples.append(tup)
# Eif
# Eif
subCount += 1
# Efor
# Efor
(Tags,
Grps) = self.sortTuplesByIndex(allTuples,
2) # return (TagList, GroupList)
subList = []
for o in range(0, len(Tags)):
PathLog.debug('hTag: {}'.format(Tags[o]))
subList = []
for (base, sub, tag, angle, axis, stock) in Grps[o]:
subList.append(sub)
pair = base, subList, angle, axis, stock
baseSubsTuples.append(pair)
# Efor
for base, subs, angle, axis, stock in baseSubsTuples:
for sub in subs:
if self.isHoleEnabled(obj, base, sub):
pos = self.holePosition(obj, base, sub)
if pos:
# Default is treat selection as 'Face' shape
holeBtm = base.Shape.getElement(sub).BoundBox.ZMin
if base.Shape.getElement(sub).ShapeType == 'Edge':
msg = translate(
"Path",
"Verify Final Depth of holes based on edges. {} depth is: {} mm"
.format(sub, round(holeBtm, 4))) + " "
msg += translate(
"Path",
"Always select the bottom edge of the hole when using an edge."
)
PathLog.warning(msg)
# Warn user if Final Depth set lower than bottom of hole
if finDep < holeBtm:
msg = translate(
"Path",
"Final Depth setting is below the hole bottom for {}."
.format(sub)) + ' '
msg += translate(
"Path",
"{} depth is calculated at {} mm".format(
sub, round(holeBtm, 4)))
PathLog.warning(msg)
holes.append({
'x': pos.x,
'y': pos.y,
'r': self.holeDiameter(obj, base, sub),
'angle': angle,
'axis': axis,
'trgtDep': finDep,
'stkTop': stock.Shape.BoundBox.ZMax
})
if haveLocations(self, obj):
for location in obj.Locations:
# holes.append({'x': location.x, 'y': location.y, 'r': 0, 'angle': 0.0, 'axis': 'X', 'holeBtm': obj.FinalDepth.Value})
holes.append({
'x':
location.x,
'y':
location.y,
'r':
0,
'angle':
0.0,
'axis':
'X',
'trgtDep':
finDep,
'stkTop':
PathUtils.findParentJob(obj).stock.Shape.BoundBox.ZMax
})
if len(holes) > 0:
self.circularHoleExecute(
obj, holes) # circularHoleExecute() located in PathDrilling.py
self.useTempJobClones(
'Delete') # Delete temp job clone group and contents
self.guiMessage('title', None,
show=True) # Process GUI messages to user
PathLog.debug("obj.Name: " + str(obj.Name))
def execute(self,obj):
if obj.Base:
tool = PathUtils.getLastTool(obj)
if tool:
radius = tool.Diameter/2
if radius < 0:# safe guard
radius -= radius
else:
# temporary value, to be taken from the properties later on
radius = 1
import Part, DraftGeomUtils
if "Face" in obj.Base[1][0]:
shape = getattr(obj.Base[0].Shape,obj.Base[1][0])
else:
edges = [getattr(obj.Base[0].Shape,sub) for sub in obj.Base[1]]
shape = Part.Wire(edges)
print len(edges)
# absolute coords, millimeters, cancel offsets
output = "G90\nG21\nG40\n"
# save tool
if obj.ToolNumber > 0 and tool.ToolNumber != obj.ToolNumber:
output += "M06 T" + str(tool.ToolNumber) + "\n"
# build offsets
offsets = []
nextradius = radius
result = DraftGeomUtils.pocket2d(shape,nextradius)
while result:
#print "Adding " + str(len(result)) + " wires"
offsets.extend(result)
nextradius += radius
result = DraftGeomUtils.pocket2d(shape,nextradius)
# first move will be rapid, subsequent will be at feed rate
first = True
startPoint = None
fastZPos = max(obj.StartDepth + 2, obj.RetractHeight)
# revert the list so we start with the outer wires
if obj.StartAt != 'Edge':
offsets.reverse()
# print "startDepth: " + str(obj.StartDepth)
# print "finalDepth: " + str(obj.FinalDepth)
# print "stepDown: " + str(obj.StepDown)
# print "finishDepth" + str(obj.FinishDepth)
# print "offsets:", len(offsets)
def prnt(vlu): return str("%.4f" % round(vlu, 4))
#Fraction of tool radius our plunge helix is to be
#FIXME: This should be configurable
plungeR = 0.75
#(minimum) Fraction of tool DIAMETER to go back and forth while ramp-plunging
#FIXME: This should be configurable
#FIXME: The ramp plunging should maybe even be limited to this distance; I don't know what's best
rampD = 0.75
#Total offset from the desired pocket edge is tool radius plus the plunge helix radius
#Any point on these curves could be the center of a plunge
helixBounds = DraftGeomUtils.pocket2d(shape, tool.Diameter / 2. * (1 + plungeR))
#Try to find a location to nicely plunge, starting with a helix, then ramp
#Can't do it without knowledge of a tool
plungePos = None
rampEdge = None
if not tool:
raise Error("Ramp plunge location-finding requires a tool")
return
else:
#Since we're going to start machining either the inner-most
#edge or the outer (depending on StartAt setting), try to
#plunge near that location
if helixBounds:
#Edge is easy- pick a point on helixBounds and go with it
if obj.StartAt == 'Edge':
plungePos = helixBounds[0].Edges[0].Vertexes[0].Point
#Center is harder- use a point from the first offset, check if it works
else:
plungePos = offsets[0].Edges[0].Vertexes[0].Point
#If it turns out this is invalid for some reason, nuke plungePos
[perp,idx] = DraftGeomUtils.findPerpendicular(plungePos, shape.Edges)
if not perp or perp.Length < tool.Diameter / 2. * (1 + plungeR):
plungePos = None
#FIXME: Really need to do a point-in-polygon operation to make sure this is within helixBounds
#Or some math to prove that it has to be (doubt that's true)
#Maybe reverse helixBounds and pick off that?
#If we didn't find a place to helix, how about a ramp?
if not plungePos:
#Check first edge of our offsets
if (offsets[0].Edges[0].Length >= tool.Diameter * rampD) and not (isinstance(offsets[0].Edges[0].Curve, Part.Circle)):
rampEdge = offsets[0].Edges[0]
#The last edge also connects with the starting location- try that
elif (offsets[0].Edges[-1].Length >= tool.Diameter * rampD) and not (isinstance(offsets[0].Edges[-1].Curve, Part.Circle)):
rampEdge = offsets[0].Edges[-1]
else:
print "Neither edge works: " + str(offsets[0].Edges[0]) + ", " + str(offsets[0].Edges[-1])
#FIXME: There's got to be a smarter way to find a place to ramp
#Returns gcode to perform a rapid move
def rapid(x=None, y=None, z=None):
retstr = "G00"
if (x != None) or (y != None) or (z != None):
if (x != None):
retstr += " X" + str("%.4f" % x)
if (y != None):
retstr += " Y" + str("%.4f" % y)
if (z != None):
retstr += " Z" + str("%.4f" % z)
else:
return ""
return retstr + "\n"
#Returns gcode to perform a linear feed
def feed(x=None, y=None, z=None):
global feedxy
retstr = "G01 F"
if(x == None) and (y == None):
retstr += str("%.4f" % obj.HorizFeed)
else:
retstr += str("%.4f" % obj.VertFeed)
if (x != None) or (y != None) or (z != None):
if (x != None):
retstr += " X" + str("%.4f" % x)
if (y != None):
retstr += " Y" + str("%.4f" % y)
if (z != None):
retstr += " Z" + str("%.4f" % z)
else:
return ""
return retstr + "\n"
#Returns gcode to perform an arc
#Assumes XY plane or helix around Z
#Don't worry about starting Z- assume that's dealt with elsewhere
def arc(cx, cy, sx, sy, ex, ey, ez=None, ccw=False):
#If start/end radii aren't within eps, abort
eps = 0.01
if (math.sqrt((cx - sx)**2 + (cy - sy)**2) - math.sqrt((cx - ex)**2 + (cy - ey)**2)) >= eps:
print "ERROR: Illegal arc: Stand and end radii not equal"
return ""
#Set [C]CW and feed
retstr = ""
if ccw:
retstr += "G03 F"
else:
retstr += "G02 F"
retstr += str(obj.HorizFeed)
#End location
retstr += " X" + str("%.4f" % ex) + " Y" + str("%.4f" % ey)
#Helix if requested
if ez != None:
retstr += " Z" + str("%.4f" % ez)
#Append center offsets
retstr += " I" + str("%.4f" % (cx - sx)) + " J" + str("%.4f" % (cy - sy))
return retstr + "\n"
#Returns gcode to helically plunge
#destZ is the milling level
#startZ is the height we can safely feed down to before helix-ing
def helicalPlunge(plungePos, rampangle, destZ, startZ):
helixCmds = "(START HELICAL PLUNGE)\n"
if(plungePos == None):
raise Error("Helical plunging requires a position!")
return None
if(not tool):
raise Error("Helical plunging requires a tool!")
return None
helixX = plungePos.x + tool.Diameter/2. * plungeR
helixY = plungePos.y;
helixCirc = math.pi * tool.Diameter * plungeR
dzPerRev = math.sin(rampangle/180. * math.pi) * helixCirc
#Go to the start of the helix position
helixCmds += rapid(helixX, helixY)
helixCmds += rapid(z=startZ)
#Helix as required to get to the requested depth
lastZ = startZ
curZ = max(startZ-dzPerRev, destZ)
done = False
while not done:
done = (curZ == destZ)
#NOTE: FreeCAD doesn't render this, but at least LinuxCNC considers it valid
#helixCmds += arc(plungePos.x, plungePos.y, helixX, helixY, helixX, helixY, ez = curZ, ccw=True)
#Use two half-helixes; FreeCAD renders that correctly,
#and it fits with the other code breaking up 360-degree arcs
helixCmds += arc(plungePos.x, plungePos.y, helixX, helixY, helixX - tool.Diameter * plungeR, helixY, ez = (curZ + lastZ)/2., ccw=True)
helixCmds += arc(plungePos.x, plungePos.y, helixX - tool.Diameter * plungeR, helixY, helixX, helixY, ez = curZ, ccw=True)
lastZ = curZ
curZ = max(curZ - dzPerRev, destZ)
return helixCmds
#Returns commands to linearly ramp into a cut
#FIXME: This ramps along the first edge, assuming it's long
#enough, NOT just wiggling back and forth by ~0.75 * toolD.
#Not sure if that's any worse, but it's simpler
#FIXME: This code is untested
def rampPlunge(edge, rampangle, destZ, startZ):
rampCmds = "(START RAMP PLUNGE)\n"
if(edge == None):
raise Error("Ramp plunging requires an edge!")
return None
if(not tool):
raise Error("Ramp plunging requires a tool!")
sPoint = edge.Vertexes[0].Point
ePoint = edge.Vertexes[1].Point
#Evidently edges can get flipped- pick the right one in this case
#FIXME: This is iffy code, based on what already existed in the "for vpos ..." loop below
if ePoint == sPoint:
#print "FLIP"
ePoint = edge.Vertexes[-1].Point
#print "Start: " + str(sPoint) + " End: " + str(ePoint) + " Zhigh: " + prnt(startZ) + " ZLow: " + prnt(destZ)
rampDist = edge.Length
rampDZ = math.sin(rampangle/180. * math.pi) * rampDist
rampCmds += rapid(sPoint.x, sPoint.y)
rampCmds += rapid(z=startZ)
#Ramp down to the requested depth
#FIXME: This might be an arc, so handle that as well
lastZ = startZ
curZ = max(startZ-rampDZ, destZ)
done = False
while not done:
done = (curZ == destZ)
#If it's an arc, handle it!
if isinstance(edge.Curve,Part.Circle):
raise Error("rampPlunge: Screw it, not handling an arc.")
#Straight feed! Easy!
else:
rampCmds += feed(ePoint.x, ePoint.y, curZ)
rampCmds += feed(sPoint.x, sPoint.y)
lastZ = curZ
curZ = max(curZ - rampDZ, destZ)
return rampCmds
#For helix-ing/ramping, know where we were last time
#FIXME: Can probably get this from the "machine"?
lastZ = fastZPos
for vpos in frange(obj.StartDepth, obj.FinalDepth, obj.StepDown, obj.FinishDepth):
# print "vpos: " + str(vpos)
#Every for every depth we should helix down
first = True
# loop over successive wires
for currentWire in offsets:
# print "new line (offset)"
last = None
for edge in currentWire.Edges:
# print "new edge"
if not last:
# we set the base GO to our fast move to our starting pos
if first:
#If we can helix, do so
if plungePos:
output += helicalPlunge(plungePos, 3, vpos, lastZ)
#print output
lastZ = vpos
#Otherwise, see if we can ramp
#FIXME: This could be a LOT smarter (eg, searching for a longer leg of the edge to ramp along)
elif rampEdge:
output += rampPlunge(rampEdge, 3, vpos, lastZ)
lastZ = vpos
#Otherwise, straight plunge... Don't want to, but sometimes you might not have a choice.
#FIXME: At least not with the lazy ramp programming above...
else:
print "WARNING: Straight-plunging... probably not good, but we didn't find a place to helix or ramp"
startPoint = edge.Vertexes[0].Point
output += "G0 X" + prnt(startPoint.x) + " Y" + prnt(startPoint.y) +\
" Z" + prnt(fastZPos) + "\n"
first = False
#then move slow down to our starting point for our profile
last = edge.Vertexes[0].Point
output += "G1 X" + prnt(last.x) + " Y" + prnt(last.y) + " Z" + prnt(vpos) + "\n"
#if isinstance(edge.Curve,Part.Circle):
if DraftGeomUtils.geomType(edge) == "Circle":
point = edge.Vertexes[-1].Point
if point == last: # edges can come flipped
point = edge.Vertexes[0].Point
# print "flipped"
center = edge.Curve.Center
relcenter = center.sub(last)
v1 = last.sub(center)
v2 = point.sub(center)
if v1.cross(v2).z < 0:
output += "G2"
else:
output += "G3"
output += " X" + prnt(point.x) + " Y" + prnt(point.y) + " Z" + prnt(vpos)
output += " I" + prnt(relcenter.x) + " J" +prnt(relcenter.y) + " K" + prnt(relcenter.z)
output += "\n"
last = point
else:
point = edge.Vertexes[-1].Point
if point == last: # edges can come flipped
point = edge.Vertexes[0].Point
output += "G1 X" + prnt(point.x) + " Y" + prnt(point.y) + " Z" + prnt(vpos) + "\n"
last = point
#move back up
output += "G0 Z" + prnt(fastZPos) + "\n"
# print output
# path = Path.Path(output)
# obj.Path = path
if obj.Active:
path = Path.Path(output)
obj.Path = path
obj.ViewObject.Visibility = True
else:
path = Path.Path("(inactive operation)")
obj.Path = path
obj.ViewObject.Visibility = False
def opUpdateDepths(self, obj):
'''updateDepths(obj) ... engraving is always done at the top most z-value'''
job = PathUtils.findParentJob(obj)
self.opSetDefaultValues(obj, job)
def buildpathocc(self, obj, wires):
import Part
import DraftGeomUtils
output = ""
# absolute coords, millimeters, cancel offsets
for wire in wires:
offset = wire
# reorder the wire
offset = DraftGeomUtils.rebaseWire(offset, obj.StartVertex)
# we create the path from the offset shape
last = None
for edge in offset.Edges:
if not last:
# we set the first move to our first point
last = edge.Vertexes[0].Point
output += "G0" + " X" + PathUtils.fmt(
last.x
) + " Y" + PathUtils.fmt(last.y) + " Z" + PathUtils.fmt(
obj.SafeHeight.Value) # Rapid sto starting position
output += "G1" + " X" + PathUtils.fmt(
last.x
) + " Y" + PathUtils.fmt(last.y) + " Z" + PathUtils.fmt(
obj.FinalDepth.Value) + "F " + PathUtils.fmt(
self.vertFeed) + "\n" # Vertical feed to depth
if isinstance(edge.Curve, Part.Circle):
point = edge.Vertexes[-1].Point
if point == last: # edges can come flipped
point = edge.Vertexes[0].Point
center = edge.Curve.Center
relcenter = center.sub(last)
v1 = last.sub(center)
v2 = point.sub(center)
if v1.cross(v2).z < 0:
output += "G2"
else:
output += "G3"
output += " X" + PathUtils.fmt(
point.x) + " Y" + PathUtils.fmt(
point.y) + " Z" + PathUtils.fmt(
obj.FinalDepth.Value)
output += " I" + PathUtils.fmt(
relcenter.x) + " J" + PathUtils.fmt(
relcenter.y) + " K" + PathUtils.fmt(relcenter.z)
output += " F " + PathUtils.fmt(self.horizFeed)
output += "\n"
last = point
else:
point = edge.Vertexes[-1].Point
if point == last: # edges can come flipped
point = edge.Vertexes[0].Point
output += "G1 X" + PathUtils.fmt(
point.x) + " Y" + PathUtils.fmt(
point.y) + " Z" + PathUtils.fmt(
obj.FinalDepth.Value)
output += " F " + PathUtils.fmt(self.horizFeed)
output += "\n"
last = point
output += "G0 Z " + PathUtils.fmt(obj.SafeHeight.Value)
return output
def areaOpShapes(self, obj):
"""areaOpShapes(obj) ... return top face"""
# Facing is done either against base objects
holeShape = None
PathLog.debug("depthparams: {}".format([i for i in self.depthparams]))
if obj.Base:
PathLog.debug("obj.Base: {}".format(obj.Base))
self.removalshapes = []
faces = []
holes = []
holeEnvs = []
oneBase = [obj.Base[0][0], True]
sub0 = getattr(obj.Base[0][0].Shape, obj.Base[0][1][0])
minHeight = sub0.BoundBox.ZMax
for b in obj.Base:
for sub in b[1]:
shape = getattr(b[0].Shape, sub)
if isinstance(shape, Part.Face):
faces.append(shape)
if shape.BoundBox.ZMin < minHeight:
minHeight = shape.BoundBox.ZMin
# Limit to one model base per operation
if oneBase[0] is not b[0]:
oneBase[1] = False
if numpy.isclose(
abs(shape.normalAt(0, 0).z), 1
): # horizontal face
# Analyze internal closed wires to determine if raised or a recess
for wire in shape.Wires[1:]:
if obj.ExcludeRaisedAreas:
ip = self.isPocket(b[0], shape, wire)
if ip is False:
holes.append((b[0].Shape, wire))
else:
holes.append((b[0].Shape, wire))
else:
PathLog.warning(
'The base subobject, "{0}," is not a face. Ignoring "{0}."'.format(
sub
)
)
if obj.ExcludeRaisedAreas and len(holes) > 0:
for shape, wire in holes:
f = Part.makeFace(wire, "Part::FaceMakerSimple")
env = PathUtils.getEnvelope(
shape, subshape=f, depthparams=self.depthparams
)
holeEnvs.append(env)
holeShape = Part.makeCompound(holeEnvs)
PathLog.debug("Working on a collection of faces {}".format(faces))
planeshape = Part.makeCompound(faces)
# If no base object, do planing of top surface of entire model
else:
planeshape = Part.makeCompound([base.Shape for base in self.model])
PathLog.debug("Working on a shape {}".format(obj.Label))
# Find the correct shape depending on Boundary shape.
PathLog.debug("Boundary Shape: {}".format(obj.BoundaryShape))
bb = planeshape.BoundBox
# Apply offset for clearing edges
offset = 0
if obj.ClearEdges:
offset = self.radius + 0.1
bb.XMin = bb.XMin - offset
bb.YMin = bb.YMin - offset
bb.XMax = bb.XMax + offset
bb.YMax = bb.YMax + offset
if obj.BoundaryShape == "Boundbox":
bbperim = Part.makeBox(
bb.XLength,
bb.YLength,
1,
FreeCAD.Vector(bb.XMin, bb.YMin, bb.ZMin),
FreeCAD.Vector(0, 0, 1),
)
env = PathUtils.getEnvelope(partshape=bbperim, depthparams=self.depthparams)
if obj.ExcludeRaisedAreas and oneBase[1]:
includedFaces = self.getAllIncludedFaces(
oneBase[0], env, faceZ=minHeight
)
if len(includedFaces) > 0:
includedShape = Part.makeCompound(includedFaces)
includedEnv = PathUtils.getEnvelope(
oneBase[0].Shape,
subshape=includedShape,
depthparams=self.depthparams,
)
env = env.cut(includedEnv)
elif obj.BoundaryShape == "Stock":
stock = PathUtils.findParentJob(obj).Stock.Shape
env = stock
if obj.ExcludeRaisedAreas and oneBase[1]:
includedFaces = self.getAllIncludedFaces(
oneBase[0], stock, faceZ=minHeight
)
if len(includedFaces) > 0:
stockEnv = PathUtils.getEnvelope(
partshape=stock, depthparams=self.depthparams
)
includedShape = Part.makeCompound(includedFaces)
includedEnv = PathUtils.getEnvelope(
oneBase[0].Shape,
subshape=includedShape,
depthparams=self.depthparams,
)
env = stockEnv.cut(includedEnv)
elif obj.BoundaryShape == "Perimeter":
if obj.ClearEdges:
psZMin = planeshape.BoundBox.ZMin
ofstShape = PathUtils.getOffsetArea(
planeshape, self.radius * 1.25, plane=planeshape
)
ofstShape.translate(
FreeCAD.Vector(0.0, 0.0, psZMin - ofstShape.BoundBox.ZMin)
)
env = PathUtils.getEnvelope(
partshape=ofstShape, depthparams=self.depthparams
)
else:
env = PathUtils.getEnvelope(
partshape=planeshape, depthparams=self.depthparams
)
elif obj.BoundaryShape == "Face Region":
baseShape = oneBase[0].Shape
psZMin = planeshape.BoundBox.ZMin
ofst = 0.0
if obj.ClearEdges:
ofst = self.tool.Diameter * 0.51
ofstShape = PathUtils.getOffsetArea(planeshape, ofst, plane=planeshape)
ofstShape.translate(
FreeCAD.Vector(0.0, 0.0, psZMin - ofstShape.BoundBox.ZMin)
)
# Calculate custom depth params for removal shape envelope, with start and final depth buffers
custDepthparams = self._customDepthParams(
obj, obj.StartDepth.Value + 0.2, obj.FinalDepth.Value - 0.1
) # only an envelope
ofstShapeEnv = PathUtils.getEnvelope(
partshape=ofstShape, depthparams=custDepthparams
)
if obj.ExcludeRaisedAreas:
env = ofstShapeEnv.cut(baseShape)
env.translate(
FreeCAD.Vector(0.0, 0.0, -0.00001)
) # lower removal shape into buffer zone
else:
env = ofstShapeEnv
if holeShape:
PathLog.debug("Processing holes and face ...")
holeEnv = PathUtils.getEnvelope(
partshape=holeShape, depthparams=self.depthparams
)
newEnv = env.cut(holeEnv)
tup = newEnv, False, "pathMillFace"
else:
PathLog.debug("Processing solid face ...")
tup = env, False, "pathMillFace"
self.removalshapes.append(tup)
obj.removalshape = self.removalshapes[0][0] # save removal shape
return self.removalshapes
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}))
def opExecute(self, obj, getsim=False):
"""opExecute(obj, getsim=False) ... implementation of Path.Area ops.
determines the parameters for _buildPathArea().
Do not overwrite, implement
areaOpAreaParams(obj, isHole) ... op specific area param dictionary
areaOpPathParams(obj, isHole) ... op specific path param dictionary
areaOpShapes(obj) ... the shape for path area to process
areaOpUseProjection(obj) ... return true if operation can use projection
instead."""
PathLog.track()
# Instantiate class variables for operation reference
self.endVector = None
self.leadIn = 2.0
# Initiate depthparams and calculate operation heights for operation
self.depthparams = self._customDepthParams(
obj, obj.StartDepth.Value, obj.FinalDepth.Value
)
# Set start point
if PathOp.FeatureStartPoint & self.opFeatures(obj) and obj.UseStartPoint:
start = obj.StartPoint
else:
start = None
aOS = self.areaOpShapes(obj)
# Adjust tuples length received from other PathWB tools/operations
shapes = []
for shp in aOS:
if len(shp) == 2:
(fc, iH) = shp
# fc, iH, sub or description
tup = fc, iH, "otherOp"
shapes.append(tup)
else:
shapes.append(shp)
if len(shapes) > 1:
locations = []
for s in shapes:
if s[2] == "OpenEdge":
shp = Part.makeCompound(s[0])
else:
shp = s[0]
locations.append(
{"x": shp.BoundBox.XMax, "y": shp.BoundBox.YMax, "shape": s}
)
locations = PathUtils.sort_locations(locations, ["x", "y"])
shapes = [j["shape"] for j in locations]
sims = []
for shape, isHole, sub in shapes:
profileEdgesIsOpen = False
if sub == "OpenEdge":
profileEdgesIsOpen = 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}
)
)
try:
if profileEdgesIsOpen:
(pp, sim) = self._buildProfileOpenEdges(
obj, shape, isHole, start, getsim
)
else:
(pp, sim) = self._buildPathArea(obj, shape, isHole, start, getsim)
except Exception as e:
FreeCAD.Console.PrintError(e)
FreeCAD.Console.PrintError(
"Something unexpected happened. Check project and tool config."
)
else:
if profileEdgesIsOpen:
ppCmds = pp
else:
ppCmds = pp.Commands
# Save gcode commands to object command list
self.commandlist.extend(ppCmds)
sims.append(sim)
# Eif
if (
self.areaOpRetractTool(obj)
and self.endVector is not None
and len(self.commandlist) > 1
):
self.endVector[2] = obj.ClearanceHeight.Value
self.commandlist.append(
Path.Command(
"G0", {"Z": obj.ClearanceHeight.Value, "F": self.vertRapid}
)
)
PathLog.debug("obj.Name: " + str(obj.Name) + "\n\n")
return sims
def profile(curve,
side_of_line,
radius=1.0,
vertfeed=0.0,
horizfeed=0.0,
offset_extra=0.0,
rapid_safety_space=None,
clearance=None,
start_depth=None,
stepdown=None,
final_depth=None,
use_CRC=False,
roll_on=None,
roll_off=None,
roll_start=False,
roll_end=True,
roll_radius=None,
roll_start_pt=None,
roll_end_pt=None):
output = ""
output += "G0 Z" + str(clearance) + "\n"
print "in profile: 151"
offset_curve = area.Curve(curve)
if offset_curve.getNumVertices() <= 1:
raise Exception, "Sketch has no elements!"
if side_of_line == "On":
use_CRC = False
elif (side_of_line == "Left") or (side_of_line == "Right"):
# get tool radius plus little bit of extra offset, if needed to clean
# up profile a little more
offset = radius + offset_extra
if side_of_line == 'Left':
offset_curve.Offset(offset)
else:
offset_curve.Offset(-offset)
if offset_curve is False:
raise Exception, "couldn't offset kurve " + str(offset_curve)
else:
raise Exception, "Side must be 'Left','Right', or 'On'"
# =========================================================================
# #roll_on roll_off section
# roll_on_curve = area.Curve()
# if offset_curve.getNumVertices() <= 1: return
# first_span = offset_curve.GetFirstSpan()
# if roll_on == None:
# rollstart = first_span.p
# elif roll_on == 'auto':
# if roll_radius < 0.0000000001:
# rollstart = first_span.p
# v = first_span.GetVector(0.0)
# if direction == 'right':
# off_v = area.Point(v.y, -v.x)
# else:
# off_v = area.Point(-v.y, v.x)
# rollstart = first_span.p + off_v * roll_radius
# else:
# rollstart = roll_on
#
# rvertex = area.Vertex(first_span.p)
#
# if first_span.p == rollstart:
# rvertex.type = 0
# else:
# v = first_span.GetVector(0.0) # get start direction
# rvertex.c, rvertex.type = area.TangentialArc(first_span.p, rollstart, -v)
# rvertex.type = -rvertex.type # because TangentialArc was used in reverse
# # add a start roll on point
# roll_on_curve.append(rollstart)
#
# # add the roll on arc
# roll_on_curve.append(rvertex)
# #end of roll_on roll_off section
# =========================================================================
# do multiple depths
layer_count = int((start_depth - final_depth) / stepdown)
if layer_count * stepdown + 0.00001 < start_depth - final_depth:
layer_count += 1
current_start_depth = start_depth
prev_depth = start_depth
for i in range(1, layer_count + 1):
if i == layer_count:
depth = final_depth
else:
depth = start_depth - i * stepdown
mat_depth = prev_depth
start_z = mat_depth
# first move
output += "G0 X" + str(PathUtils.fmt(offset_curve.GetFirstSpan().p.x)) +\
" Y" + str(PathUtils.fmt(offset_curve.GetFirstSpan().p.y)) +\
" Z" + str(PathUtils.fmt(mat_depth + rapid_safety_space)) + "\n"
# feed down to depth
mat_depth = depth
if start_z > mat_depth:
mat_depth = start_z
# feed down in Z
output += "G1 X" + str(PathUtils.fmt(offset_curve.GetFirstSpan().p.x)) +\
" Y" + str(PathUtils.fmt(offset_curve.GetFirstSpan().p.y)) + " Z" + str(PathUtils.fmt(depth)) +\
" F" + str(PathUtils.fmt(vertfeed)) + "\n"
if use_CRC:
if side_of_line == 'left':
output += "G41" + "\n"
else:
output += "G42" + "\n"
# cut the main kurve
current_perim = 0.0
lastx = offset_curve.GetFirstSpan().p.x
lasty = offset_curve.GetFirstSpan().p.y
for span in offset_curve.GetSpans():
current_perim += span.Length()
if span.v.type == 0: # line
# feed(span.v.p.x, span.v.p.y, ez)
output += "G1 X" + str(PathUtils.fmt(span.v.p.x)) + " Y" + str(PathUtils.fmt(span.v.p.y)) +\
" Z" + str(PathUtils.fmt(depth)) + " F" + \
str(PathUtils.fmt(horizfeed)) + "\n"
lastx = span.v.p.x
lasty = span.v.p.y
elif (span.v.type == 1) or (span.v.type == -1):
if span.v.type == 1: # anti-clockwise arc
command = 'G3'
elif span.v.type == -1: # clockwise arc
command = 'G2'
arc_I = span.v.c.x - lastx
arc_J = span.v.c.y - lasty
output += command + "X" + str(PathUtils.fmt(
span.v.p.x)) + " Y" + str(PathUtils.fmt(
span.v.p.y)) # +" Z"+ str(PathUtils.fmt(depth))
output += " I" + str(PathUtils.fmt(arc_I)) + " J" + str(
PathUtils.fmt(arc_J)) + " F" + str(
PathUtils.fmt(horizfeed)
) + '\n' # " K"+str(PathUtils.fmt(depth)) +"\n"
lastx = span.v.p.x
lasty = span.v.p.y
else:
raise Exception, "valid geometry identifier needed"
if use_CRC:
# end_CRC()
output += "G40" + "\n"
# rapid up to the clearance height
output += "G0 Z" + str(PathUtils.fmt(clearance)) + "\n"
del offset_curve
return output
def _buildPathArea(self, obj, baseobject, isHole, start, getsim):
'''_buildPathArea(obj, baseobject, isHole, start, getsim) ... internal function.'''
# pylint: disable=unused-argument
PathLog.track()
area = Path.Area()
area.setPlane(PathUtils.makeWorkplane(baseobject))
area.add(baseobject)
areaParams = self.areaOpAreaParams(obj, isHole) # pylint: disable=assignment-from-no-return
if hasattr(obj, 'ExpandProfile') and obj.ExpandProfile != 0:
areaParams = self.areaOpAreaParamsExpandProfile(obj, isHole) # pylint: disable=assignment-from-no-return
heights = [i for i in self.depthparams]
PathLog.debug('depths: {}'.format(heights))
area.setParams(**areaParams)
obj.AreaParams = str(area.getParams())
PathLog.debug("Area with params: {}".format(area.getParams()))
sections = area.makeSections(mode=0,
project=self.areaOpUseProjection(obj),
heights=heights)
PathLog.debug("sections = %s" % sections)
shapelist = [sec.getShape() for sec in sections]
PathLog.debug("shapelist = %s" % shapelist)
pathParams = self.areaOpPathParams(obj, isHole) # pylint: disable=assignment-from-no-return
pathParams['shapes'] = shapelist
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 not None:
pathParams['start'] = self.endVector
elif PathOp.FeatureStartPoint & self.opFeatures(
obj) and obj.UseStartPoint:
pathParams['start'] = obj.StartPoint
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)
PathLog.debug('pp: {}, end vector: {}'.format(pp, end_vector))
self.endVector = end_vector # pylint: disable=attribute-defined-outside-init
simobj = None
if getsim:
areaParams['Thicken'] = True
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 pp, simobj
def review(obj):
limits = False
"checks the selected project for common errors"
toolcontrolcount = 0
for item in obj.Group:
print "Checking: " + item.Label
if item.Name[:2] == "TC":
toolcontrolcount += 1
if item.ToolNumber == 0:
FreeCAD.Console.PrintWarning(
translate(
"Path_Sanity", "Tool Controller: " + str(item.Label) +
" is using ID 0 which the undefined default. Please set a real tool.\n"
))
else:
tool = PU.getTool(item, item.ToolNumber)
if tool is None:
FreeCAD.Console.PrintError(
translate(
"Path_Sanity", "Tool Controller: " +
str(item.Label) + " is using tool: " +
str(item.ToolNumber) + " which is invalid\n"))
elif tool.Diameter == 0:
FreeCAD.Console.PrintError(
translate(
"Path_Sanity",
"Tool Controller: " + str(item.Label) +
" is using tool: " + str(item.ToolNumber) +
" which has a zero diameter\n"))
if item.HorizFeed == 0:
FreeCAD.Console.PrintWarning(
translate(
"Path_Sanity", "Tool Controller: " + str(item.Label) +
" has a 0 value for the Horizontal feed rate\n"))
if item.VertFeed == 0:
FreeCAD.Console.PrintWarning(
translate(
"Path_Sanity", "Tool Controller: " + str(item.Label) +
" has a 0 value for the Vertical feed rate\n"))
if item.SpindleSpeed == 0:
FreeCAD.Console.PrintWarning(
translate(
"Path_Sanity", "Tool Controller: " + str(item.Label) +
" has a 0 value for the spindle speed\n"))
if item.Name[:7] == "Machine":
if len(item.Tooltable.Tools) == 0:
FreeCAD.Console.PrintWarning(
translate(
"Path_Sanity", "Machine: " + str(item.Label) +
" has no tools defined in the tool table\n"))
if item.X_Max == item.X_Min or item.Y_Max == item.Y_Min:
FreeCAD.Console.PrintWarning(
translate(
"Path_Sanity",
"It appears the machine limits haven't been set. Not able to check path extents.\n"
))
else:
limits = True
if toolcontrolcount == 0:
FreeCAD.Console.PrintWarning(
translate(
"Path_Sanity",
"A Tool Controller was not found. Default values are used which is dangerous. Please add a Tool Controller.\n"
))
def opExecute(self, obj, getsim=False): # pylint: disable=arguments-differ
'''opExecute(obj, getsim=False) ... implementation of Path.Area ops.
determines the parameters for _buildPathArea().
Do not overwrite, implement
areaOpAreaParams(obj, isHole) ... op specific area param dictionary
areaOpPathParams(obj, isHole) ... op specific path param dictionary
areaOpShapes(obj) ... the shape for path area to process
areaOpUseProjection(obj) ... return true if operation can use projection
instead.'''
PathLog.track()
# Instantiate class variables for operation reference
self.endVector = None # pylint: disable=attribute-defined-outside-init
self.rotateFlag = False # pylint: disable=attribute-defined-outside-init
self.leadIn = 2.0 # pylint: disable=attribute-defined-outside-init
self.cloneNames = [] # pylint: disable=attribute-defined-outside-init
self.guiMsgs = [] # pylint: disable=attribute-defined-outside-init
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.rotStartDepth = None # pylint: disable=attribute-defined-outside-init
start_depth = obj.StartDepth.Value
final_depth = obj.FinalDepth.Value
if obj.EnableRotation != 'Off':
# Calculate operation heights based upon rotation radii
opHeights = self.opDetermineRotationRadii(obj)
(self.xRotRad, self.yRotRad, self.zRotRad) = opHeights[0] # pylint: disable=attribute-defined-outside-init
(self.clrOfset, self.safOfst) = opHeights[1] # pylint: disable=attribute-defined-outside-init
# Set clearance and safe heights based upon rotation radii
if obj.EnableRotation == 'A(x)':
start_depth = self.xRotRad
elif obj.EnableRotation == 'B(y)':
start_depth = self.yRotRad
else:
start_depth = max(self.xRotRad, self.yRotRad)
final_depth = -1 * start_depth
self.rotStartDepth = start_depth
# The next two lines are improper code.
# The ClearanceHeight and SafeHeight need to be set in opSetDefaultValues() method.
# They should not be redefined here, so this entire `if...:` statement needs relocated.
obj.ClearanceHeight.Value = start_depth + self.clrOfset
obj.SafeHeight.Value = start_depth + self.safOfst
# Create visual axes when debugging.
if PathLog.getLevel(PathLog.thisModule()) == 4:
self.visualAxis()
# Set axial feed rates based upon horizontal feed rates
safeCircum = 2 * math.pi * obj.SafeHeight.Value
self.axialFeed = 360 / safeCircum * self.horizFeed # pylint: disable=attribute-defined-outside-init
self.axialRapid = 360 / safeCircum * self.horizRapid # pylint: disable=attribute-defined-outside-init
# Initiate depthparams and calculate operation heights for rotational operation
self.depthparams = self._customDepthParams(obj, obj.StartDepth.Value,
obj.FinalDepth.Value)
# Set start point
if PathOp.FeatureStartPoint & self.opFeatures(
obj) and obj.UseStartPoint:
start = obj.StartPoint
else:
start = None
aOS = self.areaOpShapes(obj) # pylint: disable=assignment-from-no-return
# Adjust tuples length received from other PathWB tools/operations beside PathPocketShape
shapes = []
for shp in aOS:
if len(shp) == 2:
(fc, iH) = shp
# fc, iH, sub, angle, axis, strtDep, finDep
tup = fc, iH, 'otherOp', 0.0, 'S', start_depth, final_depth
shapes.append(tup)
else:
shapes.append(shp)
if len(shapes) > 1:
jobs = list()
for s in shapes:
if s[2] == 'OpenEdge':
shp = Part.makeCompound(s[0])
else:
shp = s[0]
jobs.append({
'x': shp.BoundBox.XMax,
'y': shp.BoundBox.YMax,
'shape': s
})
jobs = PathUtils.sort_jobs(jobs, ['x', 'y'])
shapes = [j['shape'] for j in jobs]
sims = []
numShapes = len(shapes)
for ns in range(0, numShapes):
profileEdgesIsOpen = False
(shape, isHole, sub, angle, axis, strDep, finDep) = shapes[ns] # pylint: disable=unused-variable
if sub == 'OpenEdge':
profileEdgesIsOpen = 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
}))
if ns < numShapes - 1:
nextAxis = shapes[ns + 1][4]
else:
nextAxis = 'L'
self.depthparams = self._customDepthParams(obj, strDep, finDep)
try:
if profileEdgesIsOpen:
(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:
if profileEdgesIsOpen:
ppCmds = pp
else:
ppCmds = pp.Commands
if obj.EnableRotation != 'Off' and self.rotateFlag is True:
# Rotate model to index for cut
if axis == 'X':
axisOfRot = 'A'
elif axis == 'Y':
axisOfRot = 'B'
elif axis == 'Z':
axisOfRot = 'C'
else:
axisOfRot = 'A'
# Rotate Model to correct angle
ppCmds.insert(
0,
Path.Command('G0', {
axisOfRot: angle,
'F': self.axialRapid
}))
# Raise cutter to safe height
ppCmds.insert(
0,
Path.Command('G0', {
'Z': obj.SafeHeight.Value,
'F': self.vertRapid
}))
# Return index to starting position if axis of rotation changes.
if numShapes > 1:
if ns != numShapes - 1:
if axis != nextAxis:
ppCmds.append(
Path.Command('G0', {
axisOfRot: 0.0,
'F': self.axialRapid
}))
# Eif
# Save gcode commands to object command list
self.commandlist.extend(ppCmds)
sims.append(sim)
# Eif
if self.areaOpRetractTool(
obj) and self.endVector is not None and len(
self.commandlist) > 1:
self.endVector[2] = obj.ClearanceHeight.Value
self.commandlist.append(
Path.Command('G0', {
'Z': obj.ClearanceHeight.Value,
'F': self.vertRapid
}))
# Raise cutter to safe height and rotate back to original orientation
# based on next rotational operation in job
if self.rotateFlag is True:
resetAxis = False
lastJobOp = None
nextJobOp = None
opIdx = 0
JOB = PathUtils.findParentJob(obj)
jobOps = JOB.Operations.Group
numJobOps = len(jobOps)
for joi in range(0, numJobOps):
jo = jobOps[joi]
if jo.Name == obj.Name:
opIdx = joi
lastOpIdx = opIdx - 1
nextOpIdx = opIdx + 1
if lastOpIdx > -1:
lastJobOp = jobOps[lastOpIdx]
if nextOpIdx < numJobOps:
nextJobOp = jobOps[nextOpIdx]
if lastJobOp is not None:
if hasattr(lastJobOp, 'EnableRotation'):
PathLog.debug(
'Last Op, {}, has `EnableRotation` set to {}'.format(
lastJobOp.Label, lastJobOp.EnableRotation))
if lastJobOp.EnableRotation != obj.EnableRotation:
resetAxis = True
# if ns == numShapes - 1: # If last shape, check next op EnableRotation setting
if nextJobOp is not None:
if hasattr(nextJobOp, 'EnableRotation'):
PathLog.debug(
'Next Op, {}, has `EnableRotation` set to {}'.format(
nextJobOp.Label, nextJobOp.EnableRotation))
if nextJobOp.EnableRotation != obj.EnableRotation:
resetAxis = True
# Raise to safe height if rotation activated
self.commandlist.append(
Path.Command('G0', {
'Z': obj.SafeHeight.Value,
'F': self.vertRapid
}))
# reset rotational axes if necessary
if resetAxis is True:
self.commandlist.append(
Path.Command('G0', {
'A': 0.0,
'F': self.axialRapid
}))
self.commandlist.append(
Path.Command('G0', {
'B': 0.0,
'F': self.axialRapid
}))
self.useTempJobClones(
'Delete') # Delete temp job clone group and contents
self.guiMessage('title', None,
show=True) # Process GUI messages to user
for ton in self.tempObjectNames: # remove temporary objects by name
FreeCAD.ActiveDocument.removeObject(ton)
PathLog.debug("obj.Name: " + str(obj.Name) + "\n\n")
return sims
def _buildPathLibarea(self, obj, edgelist):
import PathScripts.PathKurveUtils as PathKurveUtils
# import math
# import area
output = ""
if obj.Comment != "":
output += '(' + str(obj.Comment)+')\n'
if obj.StartPoint and obj.UseStartPoint:
startpoint = obj.StartPoint
else:
startpoint = None
if obj.EndPoint and obj.UseEndPoint:
endpoint = obj.EndPoint
else:
endpoint = None
PathKurveUtils.output('mem')
PathKurveUtils.feedrate_hv(self.horizFeed, self.vertFeed)
output = ""
output += "G0 Z" + str(obj.ClearanceHeight.Value) + "F " + PathUtils.fmt(self.vertRapid) + "\n"
curve = PathKurveUtils.makeAreaCurve(edgelist, obj.Direction, startpoint, endpoint)
'''The following line uses a profile function written for use with FreeCAD. It's clean but incomplete. It doesn't handle
print("x = " + str(point.x))
print("y - " + str(point.y))
holding tags
start location
CRC
or probably other features in heekscnc'''
# output += PathKurveUtils.profile(curve, side, radius, vf, hf, offset_extra, rapid_safety_space, clearance, start_depth, step_down, final_depth, use_CRC)
'''The following calls the original procedure from h
toolLoad = obj.activeTCeekscnc profile function. This, in turn, calls many other procedures to modify the profile.
This procedure is hacked together from heekscnc and has not been thoroughly reviewed or understood for FreeCAD. It can probably be
thoroughly optimized and improved but it'll take a smarter mind than mine to do it. -sliptonic Feb16'''
roll_radius = 2.0
extend_at_start = 0.0
extend_at_end = 0.0
lead_in_line_len = 0.0
lead_out_line_len = 0.0
'''
Right here, I need to know the Holding Tags group from the tree that refers to this profile operation and build up the tags for PathKurve Utils.
I need to access the location vector, length, angle in radians and height.
'''
depthparams = depth_params(
obj.ClearanceHeight.Value,
obj.SafeHeight.Value, obj.StartDepth.Value, obj.StepDown.Value, 0.0,
obj.FinalDepth.Value, None)
PathKurveUtils.profile2(
curve, obj.Side, self.radius, self.vertFeed, self.horizFeed,
self.vertRapid, self.horizRapid, obj.OffsetExtra.Value, roll_radius,
None, None, depthparams, extend_at_start, extend_at_end,
lead_in_line_len, lead_out_line_len)
output += PathKurveUtils.retrieve_gcode()
return output
def makeAreaCurve(edges, direction, startpt=None, endpt=None):
curveobj = area.Curve()
cleanededges = Part.__sortEdges__(PathUtils.cleanedges(edges, 0.01))
# for e in cleanededges:
# print str(e.valueAt(e.FirstParameter)) + "," +
# str(e.valueAt(e.LastParameter))
edgelist = []
if len(cleanededges) == 1: # user selected a single edge.
edgelist = cleanededges
else:
# edgelist = [] #Multiple edges. Need to sequence the vetexes.
# First get the first segment oriented correctly.
# We first compare the last parameter of the first segment to see if it
# matches either end of the second segment. If not, it must need
# flipping.
if cleanededges[0].valueAt(cleanededges[0].LastParameter) in [
cleanededges[1].valueAt(cleanededges[1].FirstParameter),
cleanededges[1].valueAt(cleanededges[1].LastParameter)
]:
edge0 = cleanededges[0]
else:
edge0 = PathUtils.reverseEdge(cleanededges[0])
edgelist.append(edge0)
# Now iterate the rest of the edges matching the last parameter of the
# previous segment.
for edge in cleanededges[1:]:
if edge.valueAt(edge.FirstParameter) == edgelist[-1].valueAt(
edgelist[-1].LastParameter):
nextedge = edge
else:
nextedge = PathUtils.reverseEdge(edge)
edgelist.append(nextedge)
# print "makeareacurve 87: " + "area.Point(" +
# str(edgelist[0].Vertexes[0].X) + ", " +
# str(edgelist[0].Vertexes[0].Y)+")"
curveobj.append(
area.Point(edgelist[0].Vertexes[0].X, edgelist[0].Vertexes[0].Y))
# seglist =[]
# if direction=='CW':
# edgelist.reverse()
# for e in edgelist:
# seglist.append(PathUtils.reverseEdge(e)) #swap end points on every segment
# else:
# for e in edgelist:
# seglist.append(e)
for s in edgelist:
curveobj.append(makeAreaVertex(s))
if startpt:
# future nearest point code yet to be worked out -fixme
# v1 = Vector(startpt.X,startpt.Y,startpt.Z)
# perppoint1 = DraftGeomUtils.findPerpendicular(v1,firstedge)
# perppoint1 = DraftGeomUtils.findDistance(v1,firstedge)
# if perppoint1:
# curveobj.ChangeStart(area.Point(perppoint1[0].x,perppoint1[0].y))
# else:
# curveobj.ChangeStart(area.Point(startpt.X,startpt.Y))
curveobj.ChangeStart(area.Point(startpt.x, startpt.y))
if endpt:
# future nearest point code yet to be worked out -fixme
# v2 = Vector(endpt.X,endpt.Y,endpt.Z)
# perppoint2 = DraftGeomUtils.findPerpendicular(v2,lastedge)
# if perppoint2:
# curveobj.ChangeEnd(area.Point(perppoint2[0].x,perppoint2[0].y))
# else:
# curveobj.ChangeEnd(area.Point(endpt.X,endpt.Y))
curveobj.ChangeEnd(area.Point(endpt.x, endpt.y))
if curveobj.IsClockwise() and direction == 'CCW':
curveobj.Reverse()
elif not curveobj.IsClockwise() and direction == 'CW':
curveobj.Reverse()
return curveobj
def Activated(self):
import Path
from PathScripts import PathUtils, PathProfile, PathProject
prjexists = False
selection = PathSelection.multiSelect()
if not selection:
return
# if everything is ok, execute and register the transaction in the undo/redo stack
FreeCAD.ActiveDocument.openTransaction(
translate("PathProfile", "Create Profile"))
FreeCADGui.addModule("PathScripts.PathProfile")
obj = FreeCAD.ActiveDocument.addObject("Path::FeaturePython",
"Profile")
PathProfile.ObjectProfile(obj)
PathProfile.ViewProviderProfile(obj.ViewObject)
obj.Base = (FreeCAD.ActiveDocument.getObject(selection['objname']))
if selection['facenames']:
#FreeCAD.Console.PrintMessage('There are edges selected\n')
obj.Face1 = (FreeCAD.ActiveDocument.getObject(
selection['objname']), selection['facenames'][0])
if len(selection['facenames']) > 1:
obj.Face2 = (FreeCAD.ActiveDocument.getObject(
selection['objname']), selection['facenames'][-1])
if selection['edgenames']:
#FreeCAD.Console.PrintMessage('There are edges selected\n')
obj.Edge1 = (FreeCAD.ActiveDocument.getObject(
selection['objname']), (selection['edgenames'][0]))
if len(selection['edgenames']) > 1:
obj.Edge2 = (FreeCAD.ActiveDocument.getObject(
selection['objname']), (selection['edgenames'][-1]))
if selection['pointlist']:
FreeCADGui.doCommand('from FreeCAD import Vector')
stptX, stptY, stptZ = selection['pointlist'][0].X, selection[
'pointlist'][0].Y, selection['pointlist'][0].Z
obj.StartPoint = Vector((stptX), (stptY), (stptZ))
if len(
selection['pointlist']
) > 1: # we have more than one point so we have an end point
endptX, endptY, endptZ = selection['pointlist'][
-1].X, selection['pointlist'][-1].Y, selection[
'pointlist'][-1].Z
obj.EndPoint = Vector(endptX, endptY, endptZ)
if selection['pathwire'].isClosed():
obj.PathClosed = True
if selection['clockwise']:
obj.Side = "Left"
obj.Direction = "CW"
elif selection['clockwise'] == False:
obj.Side = "Right"
obj.Direction = "CCW"
else:
obj.Side = "On"
obj.Direction = "CCW"
obj.PathClosed = False
ZMax = obj.Base[0].Shape.BoundBox.ZMax
ZMin = obj.Base[0].Shape.BoundBox.ZMin
obj.StepDown.Value = 1.0
obj.StartDepth.Value = ZMax - obj.StepDown.Value
obj.FinalDepth.Value = ZMin - 1.0
obj.ClearanceHeight.Value = ZMax + 5.0
obj.SegLen.Value = 0.5
obj.Active = True
obj.ViewObject.ShowFirstRapid = False
project = PathUtils.addToProject(obj)
tl = PathUtils.changeTool(obj, project)
if tl:
obj.ToolNumber = tl
FreeCAD.ActiveDocument.commitTransaction()
FreeCAD.ActiveDocument.recompute()
def onDelete(self, arg1=None, arg2=None):
'''this makes sure that the base operation is added back to the project and visible'''
FreeCADGui.ActiveDocument.getObject(
arg1.Object.Base.Name).Visibility = True
PathUtils.addToJob(arg1.Object.Base)
return True
def onChanged(self, obj, prop):
if not 'Restore' in obj.State and prop == "Radius":
job = PathUtils.findParentJob(obj)
if job:
job.Proxy.setCenterOfRotation(self.center(obj))
def opSetDefaultValues(self, obj, job):
'''opSetDefaultValues(obj) ... base implementation, do not overwrite.
The base implementation sets the depths and heights based on the
areaOpShapeForDepths() return value.
Do not overwrite, overwrite areaOpSetDefaultValues(obj, job) instead.'''
PathLog.debug("opSetDefaultValues(%s, %s)" % (obj.Label, job.Label))
# Initial setting for EnableRotation is taken from Job settings/SetupSheet
# User may override on per-operation basis as needed.
if hasattr(job.SetupSheet, 'SetupEnableRotation'):
obj.EnableRotation = job.SetupSheet.SetupEnableRotation
else:
obj.EnableRotation = 'Off'
PathLog.debug("opSetDefaultValues(): Enable Rotation: {}".format(
obj.EnableRotation))
if PathOp.FeatureDepths & self.opFeatures(obj):
try:
shape = self.areaOpShapeForDepths(obj, job)
except Exception as ee: # pylint: disable=broad-except
PathLog.error(ee)
shape = None
# Set initial start and final depths
if shape is None:
PathLog.debug("shape is None")
startDepth = 1.0
finalDepth = 0.0
else:
bb = job.Stock.Shape.BoundBox
startDepth = bb.ZMax
finalDepth = bb.ZMin
# Adjust start and final depths if rotation is enabled
if obj.EnableRotation != 'Off':
self.initWithRotation = True
self.stockBB = PathUtils.findParentJob(
obj).Stock.Shape.BoundBox # pylint: disable=attribute-defined-outside-init
# Calculate rotational distances/radii
opHeights = self.opDetermineRotationRadii(
obj
) # return is list with tuples [(xRotRad, yRotRad, zRotRad), (clrOfst, safOfset)]
(xRotRad, yRotRad, zRotRad) = opHeights[0] # pylint: disable=unused-variable
PathLog.debug("opHeights[0]: " + str(opHeights[0]))
PathLog.debug("opHeights[1]: " + str(opHeights[1]))
if obj.EnableRotation == 'A(x)':
startDepth = xRotRad
if obj.EnableRotation == 'B(y)':
startDepth = yRotRad
else:
startDepth = max(xRotRad, yRotRad)
finalDepth = -1 * startDepth
obj.StartDepth.Value = startDepth
obj.FinalDepth.Value = finalDepth
obj.OpStartDepth.Value = startDepth
obj.OpFinalDepth.Value = finalDepth
PathLog.debug(
"Default OpDepths are Start: {}, and Final: {}".format(
obj.OpStartDepth.Value, obj.OpFinalDepth.Value))
PathLog.debug("Default Depths are Start: {}, and Final: {}".format(
startDepth, finalDepth))
self.areaOpSetDefaultValues(obj, job)
def circularHoleExecute(self, obj, holes):
"""circularHoleExecute(obj, holes) ... generate drill operation for each hole in holes."""
PathLog.track()
machine = PathMachineState.MachineState()
self.commandlist.append(Path.Command("(Begin Drilling)"))
# rapid to clearance height
command = Path.Command("G0", {"Z": obj.ClearanceHeight.Value})
machine.addCommand(command)
self.commandlist.append(command)
self.commandlist.append(Path.Command("G90")) # Absolute distance mode
# Calculate offsets to add to target edge
endoffset = 0.0
if obj.ExtraOffset == "Drill Tip":
endoffset = PathUtils.drillTipLength(self.tool)
elif obj.ExtraOffset == "2x Drill Tip":
endoffset = PathUtils.drillTipLength(self.tool) * 2
# http://linuxcnc.org/docs/html/gcode/g-code.html#gcode:g98-g99
self.commandlist.append(Path.Command(obj.ReturnLevel))
holes = PathUtils.sort_locations(holes, ["x", "y"])
# This section is technical debt. The computation of the
# target shapes should be factored out for re-use.
# This will likely mean refactoring upstream CircularHoleBase to pass
# spotshapes instead of holes.
startHeight = obj.StartDepth.Value + self.job.SetupSheet.SafeHeightOffset.Value
edgelist = []
for hole in holes:
v1 = FreeCAD.Vector(hole["x"], hole["y"], obj.StartDepth.Value)
v2 = FreeCAD.Vector(hole["x"], hole["y"],
obj.FinalDepth.Value - endoffset)
edgelist.append(Part.makeLine(v1, v2))
# iterate the edgelist and generate gcode
for edge in edgelist:
PathLog.debug(edge)
# move to hole location
startPoint = edge.Vertexes[0].Point
command = Path.Command("G0", {
"X": startPoint.x,
"Y": startPoint.y
})
self.commandlist.append(command)
machine.addCommand(command)
command = Path.Command("G0", {"Z": startHeight})
self.commandlist.append(command)
machine.addCommand(command)
# command = Path.Command("G1", {"Z": obj.StartDepth.Value})
# self.commandlist.append(command)
# machine.addCommand(command)
# Technical Debt: We are assuming the edges are aligned.
# This assumption should be corrected and the necessary rotations
# performed to align the edge with the Z axis for drilling
# Perform drilling
dwelltime = obj.DwellTime if obj.DwellEnabled else 0.0
peckdepth = obj.PeckDepth.Value if obj.PeckEnabled else 0.0
repeat = 1 # technical debt: Add a repeat property for user control
chipBreak = (obj.chipBreakEnabled and obj.PeckEnabled)
try:
drillcommands = generator.generate(edge,
dwelltime,
peckdepth,
repeat,
obj.RetractHeight.Value,
chipBreak=chipBreak)
except ValueError as e: # any targets that fail the generator are ignored
PathLog.info(e)
continue
for command in drillcommands:
self.commandlist.append(command)
machine.addCommand(command)
# Cancel canned drilling cycle
self.commandlist.append(Path.Command("G80"))
command = Path.Command("G0", {"Z": obj.SafeHeight.Value})
self.commandlist.append(command)
machine.addCommand(command)
# Apply feedrates to commands
PathFeedRate.setFeedRate(self.commandlist, obj.ToolController)
def _waterline(self, obj, s, bb):
import time
import ocl
def drawLoops(loops):
nloop = 0
pp = []
pp.append(Path.Command("(waterline begin)"))
for loop in loops:
p = loop[0]
pp.append(Path.Command("(loop begin)"))
pp.append(
Path.Command('G0', {
"Z": obj.SafeHeight.Value,
'F': self.vertRapid
}))
pp.append(
Path.Command('G0', {
'X': p.x,
"Y": p.y,
'F': self.horizRapid
}))
pp.append(Path.Command('G1', {"Z": p.z, 'F': self.vertFeed}))
for p in loop[1:]:
pp.append(
Path.Command('G1', {
'X': p.x,
"Y": p.y,
"Z": p.z,
'F': self.horizFeed
}))
# zheight = p.z
p = loop[0]
pp.append(
Path.Command('G1', {
'X': p.x,
"Y": p.y,
"Z": p.z,
'F': self.horizFeed
}))
pp.append(Path.Command("(loop end)"))
print(" loop ", nloop, " with ", len(loop), " points")
nloop = nloop + 1
pp.append(Path.Command("(waterline end)"))
return pp
depthparams = PathUtils.depth_params(obj.ClearanceHeight.Value,
obj.SafeHeight.Value,
obj.StartDepth.Value,
obj.StepDown,
obj.FinishDepth.Value,
obj.FinalDepth.Value)
t_before = time.time()
zheights = [i for i in depthparams]
wl = ocl.Waterline()
wl.setSTL(s)
cutter = ocl.CylCutter(obj.ToolController.Tool.Diameter, 5)
wl.setCutter(cutter)
# this should be smaller than the smallest details in the STL file
wl.setSampling(obj.SampleInterval)
# AdaptiveWaterline() also has settings for minimum sampling interval
# (see c++ code)
all_loops = []
print("zheights: {}".format(zheights))
for zh in zheights:
print("calculating Waterline at z= ", zh)
wl.reset()
wl.setZ(zh) # height for this waterline
wl.run()
all_loops.append(wl.getLoops())
t_after = time.time()
calctime = t_after - t_before
n = 0
output = []
for loops in all_loops: # at each z-height, we may get many loops
print(" %d/%d:" % (n, len(all_loops)))
output.extend(drawLoops(loops))
n = n + 1
print("(" + str(calctime) + ")")
return output
def execute(self, obj):
import MeshPart
FreeCAD.Console.PrintWarning(
translate("PathSurface", "Hold on. This might take a minute.\n"))
output = ""
if obj.Comment != "":
output += '(' + str(obj.Comment) + ')\n'
toolLoad = PathUtils.getLastToolLoad(obj)
if toolLoad is None or toolLoad.ToolNumber == 0:
self.vertFeed = 100
self.horizFeed = 100
self.radius = 0.25
obj.ToolNumber = 0
obj.ToolDescription = "UNDEFINED"
else:
self.vertFeed = toolLoad.VertFeed.Value
self.horizFeed = toolLoad.HorizFeed.Value
tool = PathUtils.getTool(obj, toolLoad.ToolNumber)
self.radius = tool.Diameter / 2
obj.ToolNumber = toolLoad.ToolNumber
obj.ToolDescription = toolLoad.Name
if obj.UserLabel == "":
obj.Label = obj.Name + " :" + obj.ToolDescription
else:
obj.Label = obj.UserLabel + " :" + obj.ToolDescription
output += "(" + obj.Label + ")"
output += "(Compensated Tool Path. Diameter: " + str(
self.radius * 2) + ")"
if obj.Base:
for b in obj.Base:
if obj.Algorithm in ['OCL Dropcutter', 'OCL Waterline']:
try:
import ocl
except:
FreeCAD.Console.PrintError(
translate(
"PathSurface",
"This operation requires OpenCamLib to be installed.\n"
))
return
mesh = b[0]
if mesh.TypeId.startswith('Mesh'):
mesh = mesh.Mesh
bb = mesh.BoundBox
else:
bb = mesh.Shape.BoundBox
mesh = MeshPart.meshFromShape(mesh.Shape, MaxLength=2)
s = ocl.STLSurf()
for f in mesh.Facets:
p = f.Points[0]
q = f.Points[1]
r = f.Points[2]
t = ocl.Triangle(ocl.Point(p[0], p[1], p[2]),
ocl.Point(q[0], q[1], q[2]),
ocl.Point(r[0], r[1], r[2]))
s.addTriangle(t)
if obj.Algorithm == 'OCL Dropcutter':
output = self._dropcutter(obj, s, bb)
elif obj.Algorithm == 'OCL Waterline':
output = self._waterline(obj, s, bb)
if obj.Active:
path = Path.Path(output)
obj.Path = path
obj.ViewObject.Visibility = True
else:
path = Path.Path("(inactive operation)")
obj.Path = path
obj.ViewObject.Visibility = False
