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Engrave.py
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Engrave.py
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# -*- coding: utf-8 -*-
# ***************************************************************************
# * Copyright (c) 2014 Yorik van Havre <yorik@uncreated.net> *
# * *
# * This program is free software; you can redistribute it and/or modify *
# * it under the terms of the GNU Lesser General Public License (LGPL) *
# * as published by the Free Software Foundation; either version 2 of *
# * the License, or (at your option) any later version. *
# * for detail see the LICENCE text file. *
# * *
# * This program is distributed in the hope that it will be useful, *
# * but WITHOUT ANY WARRANTY; without even the implied warranty of *
# * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
# * GNU Library General Public License for more details. *
# * *
# * You should have received a copy of the GNU Library General Public *
# * License along with this program; if not, write to the Free Software *
# * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
# * USA *
# * *
# ***************************************************************************
import FreeCAD
import Path
import Path.Op.Base as PathOp
import Path.Op.EngraveBase as PathEngraveBase
import PathScripts.PathUtils as PathUtils
from PySide.QtCore import QT_TRANSLATE_NOOP
__doc__ = "Class and implementation of Path Engrave operation"
if False:
Path.Log.setLevel(Path.Log.Level.DEBUG, Path.Log.thisModule())
Path.Log.trackModule(Path.Log.thisModule())
else:
Path.Log.setLevel(Path.Log.Level.INFO, Path.Log.thisModule())
# lazily loaded modules
from lazy_loader.lazy_loader import LazyLoader
Part = LazyLoader("Part", globals(), "Part")
class ObjectEngrave(PathEngraveBase.ObjectOp):
"""Proxy class for Engrave operation."""
def __init__(self, obj, name, parentJob):
super(ObjectEngrave, self).__init__(obj, name, parentJob)
self.wires = []
def opFeatures(self, obj):
"""opFeatures(obj) ... return all standard features and edges based geometries"""
return (
PathOp.FeatureTool
| PathOp.FeatureDepths
| PathOp.FeatureHeights
| PathOp.FeatureStepDown
| PathOp.FeatureBaseEdges
| PathOp.FeatureCoolant
)
def setupAdditionalProperties(self, obj):
if not hasattr(obj, "BaseShapes"):
obj.addProperty(
"App::PropertyLinkList",
"BaseShapes",
"Path",
QT_TRANSLATE_NOOP(
"App::Property", "Additional base objects to be engraved"
),
)
obj.setEditorMode("BaseShapes", 2) # hide
if not hasattr(obj, "BaseObject"):
obj.addProperty(
"App::PropertyLink",
"BaseObject",
"Path",
QT_TRANSLATE_NOOP(
"App::Property", "Additional base objects to be engraved"
),
)
obj.setEditorMode("BaseObject", 2) # hide
def initOperation(self, obj):
"""initOperation(obj) ... create engraving specific properties."""
obj.addProperty(
"App::PropertyInteger",
"StartVertex",
"Path",
QT_TRANSLATE_NOOP(
"App::Property", "The vertex index to start the path from"
),
)
self.setupAdditionalProperties(obj)
def opOnDocumentRestored(self, obj):
# upgrade ...
self.setupAdditionalProperties(obj)
def opExecute(self, obj):
"""opExecute(obj) ... process engraving operation"""
Path.Log.track()
jobshapes = []
if len(obj.Base) >= 1: # user has selected specific subelements
Path.Log.track(len(obj.Base))
for base, subs in obj.Base:
edges = []
basewires = []
for feature in subs:
sub = base.Shape.getElement(feature)
if type(sub) == Part.Edge:
edges.append(sub)
elif sub.Wires:
basewires.extend(sub.Wires)
else:
basewires.append(Part.Wire(sub.Edges))
for edgelist in Part.sortEdges(edges):
basewires.append(Part.Wire(edgelist))
jobshapes.append(Part.makeCompound(basewires))
elif len(obj.BaseShapes) > 0: # user added specific shapes
jobshapes.extend([base.Shape for base in obj.BaseShapes])
else:
Path.Log.track(self.model)
for base in self.model:
Path.Log.track(base.Label)
if base.isDerivedFrom("Part::Part2DObject"):
jobshapes.append(base.Shape)
elif base.isDerivedFrom("Sketcher::SketchObject"):
jobshapes.append(base.Shape)
elif hasattr(base, "ArrayType"):
jobshapes.append(base.Shape)
if len(jobshapes) > 0:
Path.Log.debug("processing {} jobshapes".format(len(jobshapes)))
wires = []
for shape in jobshapes:
shapeWires = shape.Wires
Path.Log.debug("jobshape has {} edges".format(len(shape.Edges)))
self.commandlist.append(
Path.Command(
"G0", {"Z": obj.ClearanceHeight.Value, "F": self.vertRapid}
)
)
self.buildpathocc(obj, shapeWires, self.getZValues(obj))
wires.extend(shapeWires)
self.wires = wires
Path.Log.debug(
"processing {} jobshapes -> {} wires".format(len(jobshapes), len(wires))
)
# the last command is a move to clearance, which is automatically added by PathOp
if self.commandlist:
self.commandlist.pop()
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 SetupProperties():
return ["StartVertex"]
def Create(name, obj=None, parentJob=None):
"""Create(name) ... Creates and returns an Engrave operation."""
if obj is None:
obj = FreeCAD.ActiveDocument.addObject("Path::FeaturePython", name)
obj.Proxy = ObjectEngrave(obj, name, parentJob)
return obj