142 lines
6.2 KiB
Python
142 lines
6.2 KiB
Python
# -*- coding: utf-8 -*-
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# ***************************************************************************
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# * *
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# * Copyright (c) 2014 Yorik van Havre <yorik@uncreated.net> *
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# * *
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# * This program is free software; you can redistribute it and/or modify *
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# * it under the terms of the GNU Lesser General Public License (LGPL) *
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# * as published by the Free Software Foundation; either version 2 of *
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# * the License, or (at your option) any later version. *
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# * for detail see the LICENCE text file. *
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# * *
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# * This program is distributed in the hope that it will be useful, *
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# * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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# * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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# * GNU Library General Public License for more details. *
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# * *
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# * You should have received a copy of the GNU Library General Public *
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# * License along with this program; if not, write to the Free Software *
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# * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
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# * USA *
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# * *
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# ***************************************************************************
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import FreeCAD
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import Part
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import PathScripts.PathLog as PathLog
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import PathScripts.PathOp as PathOp
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import PathScripts.PathPocketBase as PathPocketBase
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import PathScripts.PathUtils as PathUtils
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import sys
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from PathScripts.PathGeom import PathGeom
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from PySide import QtCore
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__doc__ = "Class and implementation of the Pocket operation."
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if False:
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PathLog.setLevel(PathLog.Level.DEBUG, PathLog.thisModule())
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PathLog.trackModule(PathLog.thisModule())
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else:
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PathLog.setLevel(PathLog.Level.INFO, PathLog.thisModule())
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# Qt tanslation handling
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def translate(context, text, disambig=None):
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return QtCore.QCoreApplication.translate(context, text, disambig)
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class ObjectPocket(PathPocketBase.ObjectPocket):
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'''Proxy object for Pocket operation.'''
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def pocketOpFeatures(self, obj):
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return PathOp.FeatureNoFinalDepth
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def initPocketOp(self, obj):
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'''initPocketOp(obj) ... setup receiver'''
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pass
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def pocketInvertExtraOffset(self):
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return False
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def areaOpShapes(self, obj):
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'''areaOpShapes(obj) ... return shapes representing the solids to be removed.'''
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PathLog.track()
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if obj.Base:
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PathLog.debug("base items exist. Processing...")
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removalshapes = []
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for b in obj.Base:
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PathLog.debug("Base item: {}".format(b))
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for sub in b[1]:
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if "Face" in sub:
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shape = Part.makeCompound([getattr(b[0].Shape, sub)])
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else:
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edges = [getattr(b[0].Shape, sub) for sub in b[1]]
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shape = Part.makeFace(edges, 'Part::FaceMakerSimple')
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env = PathUtils.getEnvelope(self.baseobject.Shape, subshape=shape, depthparams=self.depthparams)
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obj.removalshape = env.cut(self.baseobject.Shape)
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obj.removalshape.tessellate(0.1)
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removalshapes.append((obj.removalshape, False))
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else: # process the job base object as a whole
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PathLog.debug("processing the whole job base object")
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env = PathUtils.getEnvelope(self.baseobject.Shape, subshape=None, depthparams=self.depthparams)
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obj.removalshape = env.cut(self.baseobject.Shape)
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obj.removalshape.tessellate(0.1)
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removalshapes = [(obj.removalshape, False)]
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return removalshapes
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def areaOpSetDefaultValues(self, obj):
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'''areaOpSetDefaultValues(obj) ... set default values'''
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obj.StepOver = 100
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obj.ZigZagAngle = 45
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def areaOpOnChanged(self, obj, prop):
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if 'Base' == prop and obj.Base and not 'Restore' in obj.State:
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PathLog.track(obj.Label, prop)
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zmin = sys.maxint
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zmax = -zmin
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for base, sublist in obj.Base:
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bb = base.Shape.BoundBox # parent boundbox
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for sub in sublist:
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subobj = base.Shape.getElement(sub)
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fbb = subobj.BoundBox # feature boundbox
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if fbb.ZMax == fbb.ZMin and fbb.ZMax == bb.ZMax: # top face
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finalDepth = bb.ZMin
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elif fbb.ZMax > fbb.ZMin and fbb.ZMax == bb.ZMax: # vertical face, full cut
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finalDepth = fbb.ZMin
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elif fbb.ZMax > fbb.ZMin and fbb.ZMin > bb.ZMin: # internal vertical wall
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finalDepth = fbb.ZMin
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elif fbb.ZMax == fbb.ZMin and fbb.ZMax > bb.ZMin: # face/shelf
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finalDepth = fbb.ZMin
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else: # catch all
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finalDepth = bb.ZMin
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if finalDepth < zmin:
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zmin = finalDepth
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if bb.ZMax > zmax:
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zmax = bb.ZMax
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PathLog.debug("%s: final=%.2f, max=%.2f" % (sub, zmin, zmax))
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PathLog.debug("zmin=%.2f, zmax=%.2f" % (zmin, zmax))
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if not PathGeom.isRoughly(zmin, obj.FinalDepth.Value):
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obj.FinalDepth = zmin
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if not PathGeom.isRoughly(zmax, obj.StartDepth.Value):
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obj.StartDepth = zmax
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clearance = zmax + 5.0
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safe = zmax + 3
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if not PathGeom.isRoughly(clearance, obj.ClearanceHeight.Value):
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obj.CearanceHeight = clearance
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if not PathGeom.isRoughly(safe, obj.SafeHeight.Value):
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obj.SafeHeight = safe
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def Create(name):
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'''Create(name) ... Creates and returns a Pocket operation.'''
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obj = FreeCAD.ActiveDocument.addObject("Path::FeaturePython", name)
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proxy = ObjectPocket(obj)
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return obj
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