125 lines
5.3 KiB
Python
125 lines
5.3 KiB
Python
# -*- coding: utf-8 -*-
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# ***************************************************************************
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# * *
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# * Copyright (c) 2018 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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import FreeCAD
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import Part
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import Path
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import PathScripts.PathEngraveBase as PathEngraveBase
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import PathScripts.PathLog as PathLog
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import PathScripts.PathOp as PathOp
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import PathScripts.PathOpTools as PathOpTools
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import math
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from PySide import QtCore
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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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def toolDepthAndOffset(width, extraDepth, tool):
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'''toolDepthAndOffset(width, extraDepth, tool) ... return tuple for given parameters.'''
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angle = tool.CuttingEdgeAngle
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if 0 == angle:
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angle = 180
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tan = math.tan(math.radians(angle/2))
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toolDepth = 0 if 0 == tan else width / tan
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extraDepth = extraDepth
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depth = toolDepth + extraDepth
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toolOffset = tool.FlatRadius
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extraOffset = tool.Diameter/2 - width if 180 == angle else extraDepth / tan
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offset = toolOffset + extraOffset
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return (depth, offset)
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class ObjectChamfer(PathEngraveBase.ObjectOp):
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'''Proxy class for Chamfer operation.'''
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def opFeatures(self, obj):
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return PathOp.FeatureTool | PathOp.FeatureHeights | PathOp.FeatureBaseEdges | PathOp.FeatureBaseFaces
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def initOperation(self, obj):
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PathLog.track(obj.Label)
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obj.addProperty('App::PropertyDistance', 'Width', 'Chamfer', QtCore.QT_TRANSLATE_NOOP('PathChamfer', 'The desired width of the chamfer'))
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obj.addProperty('App::PropertyDistance', 'ExtraDepth', 'Chamfer', QtCore.QT_TRANSLATE_NOOP('PathChamfer', 'The additional depth of the tool path'))
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obj.addProperty('App::PropertyEnumeration', 'Join', 'Chamfer', QtCore.QT_TRANSLATE_NOOP('PathChamfer', 'How to join chamfer segments'))
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obj.Join = ['Round', 'Miter']
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obj.setEditorMode('Join', 2) # hide for now
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def opExecute(self, obj):
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PathLog.track(obj.Label)
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(depth, offset) = toolDepthAndOffset(obj.Width.Value, obj.ExtraDepth.Value, self.tool)
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PathLog.track(obj.Label, depth, offset)
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self.basewires = []
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self.adjusted_basewires = []
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wires = []
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for base, subs in obj.Base:
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edges = []
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basewires = []
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for f in subs:
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sub = base.Shape.getElement(f)
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if type(sub) == Part.Edge:
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edges.append(sub)
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elif sub.Wires:
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basewires.extend(sub.Wires)
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else:
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basewires.append(Part.Wire(sub.Edges))
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self.edges = edges
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for edgelist in Part.sortEdges(edges):
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basewires.append(Part.Wire(edgelist))
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self.basewires.extend(basewires)
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for w in self.adjustWirePlacement(obj, base, basewires):
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self.adjusted_basewires.append(w)
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wire = PathOpTools.offsetWire(w, base.Shape, offset, True)
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if wire:
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wires.append(wire)
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self.wires = wires
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self.buildpathocc(obj, wires, [depth], True)
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def opRejectAddBase(self, obj, base, sub):
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'''The chamfer op can only deal with features of the base model, all others are rejected.'''
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return base != self.baseobject
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def opSetDefaultValues(self, obj):
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PathLog.track(obj.Label)
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obj.Width = '1 mm'
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obj.ExtraDepth = '0.1 mm'
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obj.Join = 'Round'
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def Create(name):
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'''Create(name) ... Creates and returns a Chamfer operation.'''
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obj = FreeCAD.ActiveDocument.addObject("Path::FeaturePython", name)
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proxy = ObjectChamfer(obj)
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return obj
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