def buildpathlibarea(self, obj, a):
"""Build the face path using libarea algorithm"""
import PathScripts.PathAreaUtils as PathAreaUtils
from PathScripts.PathUtils import depth_params
FreeCAD.Console.PrintMessage(
translate("PathFace",
"Generating toolpath with libarea offsets.\n"))
depthparams = depth_params(obj.ClearanceHeight.Value,
obj.SafeHeight.Value, obj.StartDepth.Value,
obj.StepDown, obj.FinishDepth.Value,
obj.FinalDepth.Value)
extraoffset = 1 - obj.PassExtension.Value
stepover = (self.radius * 2) * (float(obj.StepOver) / 100)
use_zig_zag = obj.UseZigZag
zig_angle = obj.ZigZagAngle
from_center = (obj.StartAt == "Center")
keep_tool_down = obj.KeepToolDown
zig_unidirectional = obj.ZigUnidirectional
start_point = None
cut_mode = obj.CutMode
PathAreaUtils.flush_nc()
PathAreaUtils.output('mem')
PathAreaUtils.feedrate_hv(self.horizFeed, self.vertFeed)
if obj.UseStartPoint:
start_point = (obj.StartPoint.x, obj.StartPoint.y)
PathAreaUtils.pocket(a, self.radius, extraoffset, stepover,
depthparams, from_center, keep_tool_down,
use_zig_zag, zig_angle, zig_unidirectional,
start_point, cut_mode)
return PathAreaUtils.retrieve_gcode()
def buildpathlibarea(self, obj, a):
"""Build the pocket path using libarea algorithm"""
import PathScripts.PathAreaUtils as PathAreaUtils
from PathScripts.PathUtils import depth_params
PathLog.debug("Generating toolpath with libarea offsets.\n")
depthparams = depth_params(obj.ClearanceHeight.Value,
obj.SafeHeight.Value, obj.StartDepth.Value,
obj.StepDown, obj.FinishDepth.Value,
obj.FinalDepth.Value)
extraoffset = obj.MaterialAllowance.Value
stepover = (self.radius * 2) * (float(obj.StepOver) / 100)
use_zig_zag = obj.UseZigZag
zig_angle = obj.ZigZagAngle
from_center = (obj.StartAt == "Center")
keep_tool_down = obj.KeepToolDown
zig_unidirectional = obj.ZigUnidirectional
start_point = None
cut_mode = obj.CutMode
PathAreaUtils.flush_nc()
PathAreaUtils.output('mem')
PathAreaUtils.feedrate_hv(self.horizFeed, self.vertFeed)
if obj.UseStartPoint:
start_point = (obj.StartPoint.x, obj.StartPoint.y)
# print "a," + str(self.radius) + "," + str(extraoffset) + "," + str(stepover) + ",depthparams, " + str(from_center) + "," + str(keep_tool_down) + "," + str(use_zig_zag) + "," + str(zig_angle) + "," + str(zig_unidirectional) + "," + str(start_point) + "," + str(cut_mode)
PathAreaUtils.pocket(a, self.radius, extraoffset, stepover,
depthparams, from_center, keep_tool_down,
use_zig_zag, zig_angle, zig_unidirectional,
start_point, cut_mode)
return PathAreaUtils.retrieve_gcode()
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 _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
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 _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
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 _buildPathArea(self, obj, baseobject, start=None):
PathLog.track()
profile = Path.Area()
profile.setPlane(makeWorkplane(baseobject))
profile.add(baseobject)
profileparams = {'Fill': 0, 'Coplanar': 0}
if obj.UseComp is False:
profileparams['Offset'] = 0.0
else:
profileparams['Offset'] = self.radius + obj.OffsetExtra.Value
depthparams = depth_params(clearance_height=obj.ClearanceHeight.Value,
rapid_safety_space=obj.SafeHeight.Value,
start_depth=obj.StartDepth.Value,
step_down=obj.StepDown.Value,
z_finish_step=0.0,
final_depth=obj.FinalDepth.Value,
user_depths=None)
PathLog.debug('depths: {}'.format(depthparams.get_depths()))
profile.setParams(**profileparams)
PathLog.debug("Contour with params: {}".format(profile.getParams()))
sections = profile.makeSections(mode=0,
project=True,
heights=depthparams.get_depths())
shapelist = [sec.getShape() for sec in sections]
params = {
'shapes': shapelist,
'feedrate': self.horizFeed,
'feedrate_v': self.vertFeed,
'verbose': True,
'resume_height': obj.StepDown.Value,
'retraction': obj.ClearanceHeight.Value,
'return_end': True
}
if obj.Direction == 'CCW':
params['orientation'] = 1
else:
params['orientation'] = 0
if self.endVector is not None:
params['start'] = self.endVector
elif start is not None:
params['start'] = start
(pp, end_vector) = Path.fromShapes(**params)
PathLog.debug("Generating Path with params: {}".format(params))
PathLog.debug('pp: {}, end vector: {}'.format(pp, end_vector))
self.endVector = end_vector
return pp
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'
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 buildpathlibarea(self, obj, a):
"""Build the face path using libarea algorithm"""
import PathScripts.PathAreaUtils as PathAreaUtils
from PathScripts.PathUtils import depth_params
PathLog.track()
for p in a.getCurves():
PathLog.debug(p.text())
FreeCAD.Console.PrintMessage(translate("PathMillFace", "Generating toolpath with libarea offsets.\n"))
depthparams = depth_params(
obj.ClearanceHeight.Value,
obj.SafeHeight.Value,
obj.StartDepth.Value,
obj.StepDown,
obj.FinishDepth.Value,
obj.FinalDepth.Value)
extraoffset = - obj.PassExtension.Value
stepover = (self.radius * 2) * (float(obj.StepOver)/100)
use_zig_zag = obj.UseZigZag
zig_angle = obj.ZigZagAngle
from_center = (obj.StartAt == "Center")
keep_tool_down = obj.KeepToolDown
zig_unidirectional = obj.ZigUnidirectional
start_point = None
cut_mode = obj.CutMode
PathAreaUtils.flush_nc()
PathAreaUtils.output('mem')
PathAreaUtils.feedrate_hv(self.horizFeed, self.vertFeed)
if obj.UseStartPoint:
start_point = (obj.StartPoint.x, obj.StartPoint.y)
PathAreaUtils.pocket(
a,
self.radius,
extraoffset,
stepover,
depthparams,
from_center,
keep_tool_down,
use_zig_zag,
zig_angle,
zig_unidirectional,
start_point,
cut_mode)
return PathAreaUtils.retrieve_gcode()
def buildpathlibarea(self, obj, a):
"""Build the pocket path using libarea algorithm"""
import PathScripts.PathAreaUtils as PathAreaUtils
from PathScripts.PathUtils import depth_params
FreeCAD.Console.PrintMessage(translate("PathPocket", "Generating toolpath with libarea offsets.\n"))
depthparams = depth_params(
obj.ClearanceHeight.Value,
obj.SafeHeight.Value,
obj.StartDepth.Value,
obj.StepDown,
obj.FinishDepth.Value,
obj.FinalDepth.Value)
extraoffset = obj.MaterialAllowance.Value
stepover = (self.radius * 2) * (float(obj.StepOver)/100)
use_zig_zag = obj.UseZigZag
zig_angle = obj.ZigZagAngle
from_center = (obj.StartAt == "Center")
keep_tool_down = obj.KeepToolDown
zig_unidirectional = obj.ZigUnidirectional
start_point = None
cut_mode = obj.CutMode
PathAreaUtils.flush_nc()
PathAreaUtils.output('mem')
PathAreaUtils.feedrate_hv(self.horizFeed, self.vertFeed)
if obj.UseStartPoint:
start_point = (obj.StartPoint.x, obj.StartPoint.y)
# print "a," + str(self.radius) + "," + str(extraoffset) + "," + str(stepover) + ",depthparams, " + str(from_center) + "," + str(keep_tool_down) + "," + str(use_zig_zag) + "," + str(zig_angle) + "," + str(zig_unidirectional) + "," + str(start_point) + "," + str(cut_mode)
PathAreaUtils.pocket(
a,
self.radius,
extraoffset,
stepover,
depthparams,
from_center,
keep_tool_down,
use_zig_zag,
zig_angle,
zig_unidirectional,
start_point,
cut_mode)
return PathAreaUtils.retrieve_gcode()
def _buildPathLibarea(self, obj, edgelist):
import PathScripts.PathKurveUtils as PathKurveUtils
import math
import area
output = ""
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)
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 heekscnc 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.
'''
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, 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, getsim=False):
PathLog.track()
self.endVector = None
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.StartDepth.Value,
step_down=obj.StepDown.Value,
z_finish_step=0.0,
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 not tool or 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 + ")"))
if obj.UseComp:
commandlist.append(
Path.Command("(Compensated Tool Path. Diameter: " +
str(self.radius * 2) + ")"))
else:
commandlist.append(Path.Command("(Uncompensated Tool Path)"))
parentJob = PathUtils.findParentJob(obj)
if parentJob is None:
return
baseobject = parentJob.Base
if baseobject is None:
return
# Let's always start by rapid to clearance...just for safety
commandlist.append(Path.Command("G0",
{"Z": obj.ClearanceHeight.Value}))
isPanel = False
if hasattr(baseobject, "Proxy"):
if isinstance(baseobject.Proxy,
ArchPanel.PanelSheet): # process the sheet
isPanel = True
baseobject.Proxy.execute(baseobject)
shapes = baseobject.Proxy.getOutlines(baseobject,
transform=True)
for shape in shapes:
f = Part.makeFace([shape], 'Part::FaceMakerSimple')
thickness = baseobject.Group[0].Source.Thickness
contourshape = f.extrude(FreeCAD.Vector(0, 0, thickness))
try:
(pp, sim) = self._buildPathArea(obj,
contourshape,
start=obj.StartPoint,
getsim=getsim)
commandlist.extend(pp.Commands)
except Exception as e:
FreeCAD.Console.PrintError(e)
FreeCAD.Console.PrintError(
"Something unexpected happened. Unable to generate a contour path. Check project and tool config."
)
if hasattr(baseobject, "Shape") and not isPanel:
#bb = baseobject.Shape.BoundBox
env = PathUtils.getEnvelope(partshape=baseobject.Shape,
subshape=None,
depthparams=self.depthparams)
try:
(pp, sim) = self._buildPathArea(obj,
env,
start=obj.StartPoint,
getsim=getsim)
commandlist.extend(pp.Commands)
except Exception as e:
FreeCAD.Console.PrintError(e)
FreeCAD.Console.PrintError(
"Something unexpected happened. Unable to generate a contour path. Check project and tool config."
)
# 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
#obj.ViewObject.Visibility = True
return sim
def buildpathocc(self, obj, shape):
"""Build pocket Path using Native OCC algorithm."""
import Part
import DraftGeomUtils
from PathScripts.PathUtils import fmt, helicalPlunge, rampPlunge, depth_params
FreeCAD.Console.PrintMessage(translate("PathPocket", "Generating toolpath with OCC native offsets.\n"))
extraoffset = obj.MaterialAllowance.Value
# Build up the offset loops
output = ""
if obj.Comment != "":
output += '(' + str(obj.Comment)+')\n'
output += 'G0 Z' + fmt(obj.ClearanceHeight.Value) + "F " + PathUtils.fmt(self.vertRapid) + "\n"
offsets = []
nextradius = self.radius + extraoffset
result = DraftGeomUtils.pocket2d(shape, nextradius)
while result:
offsets.extend(result)
nextradius += (self.radius * 2) * (float(obj.StepOver)/100)
result = DraftGeomUtils.pocket2d(shape, nextradius)
# revert the list so we start with the outer wires
if obj.StartAt != 'Edge':
offsets.reverse()
plungePos = None
rampEdge = None
if obj.UseEntry:
# Try to find an entry location
toold = self.radius*2
helixBounds = DraftGeomUtils.pocket2d(shape, self.radius * (1 + obj.HelixSize))
if helixBounds:
rampD = obj.RampSize
if obj.StartAt == 'Edge':
plungePos = helixBounds[0].Edges[0].Vertexes[0].Point
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 < self.radius * (1 + obj.HelixSize):
plungePos = None
FreeCAD.Console.PrintError(translate("PathPocket", "Helical Entry location not found.\n"))
# 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 plungePos is None: # If we didn't find a place to helix, how about a ramp?
FreeCAD.Console.PrintMessage(translate("PathPocket", "Attempting ramp entry.\n"))
if (offsets[0].Edges[0].Length >= toold * 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 >= toold * rampD) and not (isinstance(offsets[0].Edges[-1].Curve, Part.Circle)):
rampEdge = offsets[0].Edges[-1]
else:
FreeCAD.Console.PrintError(translate("PathPocket", "Ramp Entry location not found.\n"))
# 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
# For helix-ing/ramping, know where we were last time
# FIXME: Can probably get this from the "machine"?
lastZ = obj.ClearanceHeight.Value
startPoint = None
depthparams = depth_params(
obj.ClearanceHeight.Value,
obj.SafeHeight.Value,
obj.StartDepth.Value,
obj.StepDown,
obj.FinishDepth.Value,
obj.FinalDepth.Value)
for vpos in depthparams.get_depths():
first = True
# loop over successive wires
for currentWire in offsets:
last = None
for edge in currentWire.Edges:
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, obj.RampAngle, vpos, lastZ, self.radius*2, obj.HelixSize, self.horizFeed)
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, obj.RampAngle, 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 Z" + fmt(obj.ClearanceHeight.Value) + "F " + PathUtils.fmt(self.vertRapid) + "\n"
output += "G0 X" + fmt(startPoint.x) + " Y" + fmt(startPoint.y) +\
" Z" + fmt(obj.ClearanceHeight.Value) + "F " + PathUtils.fmt(self.horizRapid) + "\n"
first = False
# then move slow down to our starting point for our profile
last = edge.Vertexes[0].Point
output += "G1 X" + fmt(last.x) + " Y" + fmt(last.y) + " Z" + fmt(vpos) + " F" + fmt(self.vertFeed) + "\n"
if DraftGeomUtils.geomType(edge) == "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" + fmt(point.x) + " Y" + fmt(point.y) + " Z" + fmt(vpos)
output += " I" + fmt(relcenter.x) + " J" + fmt(relcenter.y) + " K" + fmt(relcenter.z) + " F" + 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" + fmt(point.x) + " Y" + fmt(point.y) + " Z" + fmt(vpos) + " F" + fmt(self.horizFeed) + "\n"
last = point
# move back up
output += "G0 Z" + fmt(obj.ClearanceHeight.Value) + "F " + PathUtils.fmt(self.vertRapid) + "\n"
return output
def execute(self, obj, getsim=False):
import Part
if not obj.Active:
path = Path.Path("(inactive operation)")
obj.Path = path
obj.ViewObject.Visibility = False
return
self.depthparams = 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=0.0,
final_depth=obj.FinalDepth.Value,
user_depths=None)
commandlist = []
toolLoad = obj.ToolController
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 not tool or 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 + ")"))
if obj.UseComp:
commandlist.append(Path.Command("(Compensated Tool Path. Diameter: " + str(self.radius * 2) + ")"))
else:
commandlist.append(Path.Command("(Uncompensated Tool Path)"))
parentJob = PathUtils.findParentJob(obj)
if parentJob is None:
return
baseobject = parentJob.Base
if baseobject is None:
return
if obj.Base: # The user has selected subobjects from the base. Process each.
holes = []
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)
if numpy.isclose(abs(shape.normalAt(0, 0).z), 1): # horizontal face
holes += shape.Wires[1:]
else:
FreeCAD.Console.PrintWarning("found a base object which is not a face. Can't continue.")
return
for wire in holes:
f = Part.makeFace(wire, 'Part::FaceMakerSimple')
drillable = PathUtils.isDrillable(baseobject.Shape, wire)
if (drillable and obj.processCircles) or (not drillable and obj.processHoles):
env = PathUtils.getEnvelope(baseobject.Shape, subshape=f, depthparams=self.depthparams)
try:
(pp, sim) = self._buildPathArea(obj, baseobject=env, isHole=True, start=None, getsim=getsim)
commandlist.extend(pp.Commands)
except Exception as e:
FreeCAD.Console.PrintError(e)
FreeCAD.Console.PrintError("Something unexpected happened. Unable to generate a contour path. Check project and tool config.")
if len(faces) > 0:
profileshape = Part.makeCompound(faces)
if obj.processPerimeter:
env = PathUtils.getEnvelope(baseobject.Shape, subshape=profileshape, depthparams=self.depthparams)
try:
(pp, sim) = self._buildPathArea(obj, baseobject=env, start=None, getsim=getsim)
commandlist.extend(pp.Commands)
except Exception as e:
FreeCAD.Console.PrintError(e)
FreeCAD.Console.PrintError("Something unexpected happened. Unable to generate a contour path. Check project and tool config.")
else: # Try to build targets from the job base
if hasattr(baseobject, "Proxy"):
if isinstance(baseobject.Proxy, ArchPanel.PanelSheet): # process the sheet
if obj.processPerimeter:
shapes = baseobject.Proxy.getOutlines(baseobject, transform=True)
for shape in shapes:
for wire in shape.Wires:
f = Part.makeFace(wire, 'Part::FaceMakerSimple')
env = PathUtils.getEnvelope(baseobject.Shape, subshape=f, depthparams=self.depthparams)
try:
(pp, sim) = self._buildPathArea(obj, baseobject=env, isHole=False, start=None, getsim=getsim)
commandlist.extend(pp.Commands)
except Exception as e:
FreeCAD.Console.PrintError(e)
FreeCAD.Console.PrintError("Something unexpected happened. Unable to generate a contour path. Check project and tool config.")
shapes = baseobject.Proxy.getHoles(baseobject, transform=True)
for shape in shapes:
for wire in shape.Wires:
drillable = PathUtils.isDrillable(baseobject.Proxy, wire)
if (drillable and obj.processCircles) or (not drillable and obj.processHoles):
f = Part.makeFace(wire, 'Part::FaceMakerSimple')
env = PathUtils.getEnvelope(baseobject.Shape, subshape=f, depthparams=self.depthparams)
try:
(pp, sim) = self._buildPathArea(obj, baseobject=env, isHole=True, start=None, getsim=getsim)
commandlist.extend(pp.Commands)
except Exception as e:
FreeCAD.Console.PrintError(e)
FreeCAD.Console.PrintError("Something unexpected happened. Unable to generate a contour path. Check project and tool config.")
# 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 execute(self, obj, getsim=False):
commandlist = []
sim = None
if not obj.Active:
path = Path.Path("(inactive operation)")
obj.Path = path
obj.ViewObject.Visibility = False
return
parentJob = PathUtils.findParentJob(obj)
if parentJob is None:
return
baseobject = parentJob.Base
if baseobject is None:
return
self.depthparams = 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=0.0,
final_depth=obj.FinalDepth.Value,
user_depths=None)
toolLoad = obj.ToolController
if toolLoad is None or toolLoad.ToolNumber == 0:
FreeCAD.Console.PrintError(
"No Tool Controller is selected. We need a tool to build a Path."
)
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 not tool or 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 + ")"))
if obj.UseComp:
commandlist.append(
Path.Command("(Compensated Tool Path. Diameter: " +
str(self.radius * 2) + ")"))
else:
commandlist.append(Path.Command("(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:
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(baseobject.Shape,
subshape=f,
depthparams=self.depthparams)
try:
(pp, sim) = self._buildPathArea(obj,
baseobject=env,
start=obj.StartPoint,
getsim=getsim)
commandlist.extend(pp.Commands)
except Exception as e:
FreeCAD.Console.PrintError(e)
FreeCAD.Console.PrintError(
"Something unexpected happened. Unable to generate a contour path. Check project and tool config."
)
# 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
obj.ViewObject.Visibility = True
return sim
def execute(self, obj, getsim=False):
PathLog.track()
commandlist = []
simlist = []
commandlist.append(Path.Command("(" + obj.Label + ")"))
if not obj.Active:
path = Path.Path("(inactive operation)")
obj.Path = path
obj.ViewObject.Visibility = False
return
parentJob = PathUtils.findParentJob(obj)
if parentJob is None:
return
baseobject = parentJob.Base
if baseobject is None:
return
self.depthparams = 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=0.0,
final_depth=obj.FinalDepth.Value,
user_depths=None)
toolLoad = obj.ToolController
if toolLoad is None or toolLoad.ToolNumber == 0:
FreeCAD.Console.PrintError(
"No Tool Controller is selected. We need a tool to build a Path."
)
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 not tool or 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
if obj.Base:
PathLog.debug("base items exist. Processing...")
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)])
#shape = 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(baseobject.Shape,
subshape=shape,
depthparams=self.depthparams)
removal = env.cut(baseobject.Shape)
if PathLog.getLevel(
PathLog.thisModule()) == PathLog.Level.DEBUG:
removalshape = FreeCAD.ActiveDocument.addObject(
"Part::Feature", "removalshape")
removalshape.Shape = removal
try:
(pp, sim) = self._buildPathArea(obj,
removal,
getsim=getsim)
if sim is not None:
simlist.append(sim)
commandlist.extend(pp.Commands)
except Exception as e:
FreeCAD.Console.PrintError(e)
FreeCAD.Console.PrintError(
"Something unexpected happened. Unable to generate a pocket path. Check project and tool config."
)
else: # process the job base object as a whole
PathLog.debug("processing the whole job base object")
env = PathUtils.getEnvelope(baseobject.Shape,
subshape=None,
depthparams=self.depthparams)
removal = env.cut(baseobject.Shape)
if PathLog.getLevel(PathLog.thisModule()) == PathLog.Level.DEBUG:
removalshape = FreeCAD.ActiveDocument.addObject(
"Part::Feature", "removalshape")
removalshape.Shape = removal
try:
(pp, sim) = self._buildPathArea(obj, removal, getsim=getsim)
commandlist.extend(pp.Commands)
if sim is not None:
simlist.append(sim)
#commandlist.extend(self._buildPathArea(obj, env.cut(baseobject.Shape)).Commands)
except Exception as e:
FreeCAD.Console.PrintError(e)
FreeCAD.Console.PrintError(
"Something unexpected happened. Unable to generate a pocket path. Check project and tool config."
)
# 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
obj.ViewObject.Visibility = True
PathLog.debug(simlist)
simshape = None
if len(simlist) > 1:
simshape = simlist[0].fuse(simlist[1:])
elif len(simlist) == 1:
simshape = simlist[0]
if simshape is not None and PathLog.getLevel(
PathLog.thisModule()) == PathLog.Level.DEBUG:
sim = FreeCAD.ActiveDocument.addObject("Part::Feature", "simshape")
sim.Shape = simshape
return simshape
def _waterline(self, obj, s, bb):
import ocl
from PathScripts.PathUtils import depth_params, fmt
import time
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) + "\n"
loopstring += "G0 X" + \
str(fmt(p.x)) + " Y" + str(fmt(p.y)) + "\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
depthparams = depth_params(obj.ClearanceHeight.Value, obj.SafeHeight.Value,
obj.StartDepth.Value, obj.StepDown, obj.FinishDepth.Value, obj.FinalDepth.Value)
# stlfile = "../../stl/gnu_tux_mod.stl"
# surface = STLSurfaceSource(stlfile)
surface = s
t_before = time.time()
zheights = depthparams.get_depths()
wl = ocl.Waterline()
# wl = ocl.AdaptiveWaterline() # this is slower, ca 60 seconds on i7
# CPU
wl.setSTL(surface)
diam = 0.5
length = 10.0
# any ocl MillingCutter class should work here
cutter = ocl.BallCutter(diam, length)
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 = []
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 += drawLoops(loops)
n = n + 1
print "(" + str(calctime) + ")"
return output
def _buildPathLibarea(self, obj, edgelist, isHole):
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)
# Reverse the direction for holes
if isHole:
direction = "CW" if obj.Direction == "CCW" else "CCW"
else:
direction = obj.Direction
output = ""
output += "G0 Z" + str(
obj.ClearanceHeight.Value) + "F " + PathUtils.fmt(
self.vertRapid) + "\n"
curve = PathKurveUtils.makeAreaCurve(edgelist, 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.
'''
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):
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.StartDepth.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))
# Let's start by rapid to clearance...just for safety
commandlist.append(Path.Command("G0",
{"Z": obj.ClearanceHeight.Value}))
# 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)
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
obj.ViewObject.Visibility = True
