131 lines
5.7 KiB
Python
131 lines
5.7 KiB
Python
# -*- coding: utf-8 -*-
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# ***************************************************************************
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# * *
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# * Copyright (c) 2016 sliptonic <shopinthewoods@gmail.com> *
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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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from __future__ import print_function
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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.PathPocketBase as PathPocketBase
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import PathScripts.PathUtils as PathUtils
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from PySide import QtCore
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__title__ = "Path Mill Face Operation"
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__author__ = "sliptonic (Brad Collette)"
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__url__ = "http://www.freecadweb.org"
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__doc__ = "Class and implementation of Mill Facing 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 ObjectFace(PathPocketBase.ObjectPocket):
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'''Proxy object for Mill Facing operation.'''
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def initPocketOp(self, obj):
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'''initPocketOp(obj) ... create facing specific properties'''
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obj.addProperty("App::PropertyEnumeration", "BoundaryShape", "Face", QtCore.QT_TRANSLATE_NOOP("App::Property", "Shape to use for calculating Boundary"))
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obj.BoundaryShape = ['Perimeter', 'Boundbox']
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def pocketInvertExtraOffset(self):
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return True
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def areaOpOnChanged(self, obj, prop):
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'''areaOpOnChanged(obj, prop) ... facing specific depths calculation.'''
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PathLog.track(prop)
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if prop == "StepOver" and obj.StepOver == 0:
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obj.StepOver = 1
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# default depths calculation not correct for facing
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if prop == "Base" and len(obj.Base) == 1:
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base, sub = obj.Base[0]
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shape = base.Shape.getElement(sub[0])
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d = PathUtils.guessDepths(shape, None)
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obj.ClearanceHeight = d.clearance_height
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obj.SafeHeight = d.safe_height + 1
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obj.StartDepth = d.safe_height
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obj.FinalDepth = d.start_depth
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def areaOpShapes(self, obj):
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'''areaOpShapes(obj) ... return top face'''
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# Facing is done either against base objects
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if obj.Base:
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PathLog.debug("obj.Base: {}".format(obj.Base))
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faces = []
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for b in obj.Base:
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for sub in b[1]:
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shape = getattr(b[0].Shape, sub)
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if isinstance(shape, Part.Face):
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faces.append(shape)
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else:
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PathLog.debug('The base subobject is not a face')
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return
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planeshape = Part.makeCompound(faces)
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PathLog.debug("Working on a collection of faces {}".format(faces))
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# If no base object, do planing of top surface of entire model
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else:
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planeshape = self.baseobject.Shape
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PathLog.debug("Working on a shape {}".format(self.baseobject.Name))
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# if user wants the boundbox, calculate that
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PathLog.debug("Boundary Shape: {}".format(obj.BoundaryShape))
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bb = planeshape.BoundBox
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if obj.BoundaryShape == 'Boundbox':
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bbperim = Part.makeBox(bb.XLength, bb.YLength, 1, FreeCAD.Vector(bb.XMin, bb.YMin, bb.ZMin), FreeCAD.Vector(0, 0, 1))
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env = PathUtils.getEnvelope(partshape=bbperim, depthparams=self.depthparams)
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else:
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env = PathUtils.getEnvelope(partshape=planeshape, depthparams=self.depthparams)
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return [(env, False)]
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def areaOpSetDefaultValues(self, obj):
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'''areaOpSetDefaultValues(obj) ... initialize mill facing properties'''
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obj.StepOver = 50
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obj.ZigZagAngle = 45.0
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# need to overwrite the default depth calculations for facing
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job = PathUtils.findParentJob(obj)
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if job and job.Base:
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d = PathUtils.guessDepths(job.Base.Shape, None)
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obj.ClearanceHeight = d.clearance_height
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obj.SafeHeight = d.safe_height + 1
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obj.StartDepth = d.safe_height
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obj.FinalDepth = d.start_depth
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def Create(name):
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'''Create(name) ... Creates and returns a Mill Facing operation.'''
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obj = FreeCAD.ActiveDocument.addObject("Path::FeaturePython", name)
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proxy = ObjectFace(obj)
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return obj
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