164 lines
7.5 KiB
Python
164 lines
7.5 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 FreeCADGui
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import Path
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from PySide import QtCore, QtGui
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"""Path Profile object and FreeCAD command"""
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# Qt tanslation handling
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try:
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_encoding = QtGui.QApplication.UnicodeUTF8
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def translate(context, text, disambig=None):
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return QtGui.QApplication.translate(context, text, disambig, _encoding)
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except AttributeError:
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def translate(context, text, disambig=None):
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return QtGui.QApplication.translate(context, text, disambig)
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class ObjectFaceProfile:
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def __init__(self,obj):
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obj.addProperty("App::PropertyLinkSub","Base","Path",QtCore.QT_TRANSLATE_NOOP("App::Property","The base geometry of this object"))
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obj.addProperty("App::PropertyDistance","Offset","Path",QtCore.QT_TRANSLATE_NOOP("App::Property","The distance between the face and the path"))
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obj.addProperty("App::PropertyInteger","StartVertex","Path",QtCore.QT_TRANSLATE_NOOP("App::Property","The vertex index to start the path from"))
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obj.addProperty("App::PropertyEnumeration","FirstMove","Path",QtCore.QT_TRANSLATE_NOOP("App::Property","The type of the first move"))
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obj.FirstMove = ["G0","G1"]
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obj.Proxy = self
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def __getstate__(self):
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return None
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def __setstate__(self, state):
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return None
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def execute(self, obj):
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if obj.Base:
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import Part
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import DraftGeomUtils
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# we only consider the outer wire if this is a Face
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shape = getattr(obj.Base[0].Shape, obj.Base[1][0])
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if shape.ShapeType == "Wire":
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wire = shape
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else:
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wire = shape.OuterWire
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# we use the OCC offset feature
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if obj.Offset.Value != 0:
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offset = wire.makeOffset(obj.Offset.Value)
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else:
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offset = wire
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# absolute coords, millimeters, cancel offsets
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output = "G90\nG21\nG40\n"
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# reorder the wire
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offset = DraftGeomUtils.rebaseWire(offset, obj.StartVertex)
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# we create the path from the offset shape
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last = None
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for edge in offset.Edges:
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if not last:
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# we set the first move to our first point
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last = edge.Vertexes[0].Point
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output += obj.FirstMove + " X" + \
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str("%f" % last.x) + " Y" + str("%f" %
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last.y) + " Z" + str("%f" % last.z) + "\n"
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if isinstance(edge.Curve, Part.Circle):
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point = edge.Vertexes[-1].Point
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if point == last: # edges can come flipped
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point = edge.Vertexes[0].Point
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center = edge.Curve.Center
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relcenter = center.sub(last)
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v1 = last.sub(center)
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v2 = point.sub(center)
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if v1.cross(v2).z < 0:
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output += "G2"
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else:
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output += "G3"
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output += " X" + str("%f" % point.x) + " Y" + \
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str("%f" % point.y) + " Z" + str("%f" % point.z)
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output += " I" + str("%f" % relcenter.x) + " J" + str("%f" %
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relcenter.y) + " K" + str("%f" % relcenter.z)
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output += "\n"
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last = point
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else:
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point = edge.Vertexes[-1].Point
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if point == last: # edges can come flipped
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point = edge.Vertexes[0].Point
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output += "G1 X" + \
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str("%f" % point.x) + " Y" + str("%f" %
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point.y) + " Z" + str("%f" % point.z) + "\n"
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last = point
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# print output
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path = Path.Path(output)
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obj.Path = path
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class CommandPathFaceProfile:
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def GetResources(self):
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return {'Pixmap': 'Path-FaceProfile',
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'MenuText': QtCore.QT_TRANSLATE_NOOP("Path_FaceProfile", "Face Profile"),
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'ToolTip': QtCore.QT_TRANSLATE_NOOP("Path_FaceProfile", "Creates a profile object around a selected face")}
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def IsActive(self):
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return FreeCAD.ActiveDocument is not None
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def Activated(self):
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# check that the selection contains exactly what we want
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selection = FreeCADGui.Selection.getSelectionEx()
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if len(selection) != 1:
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FreeCAD.Console.PrintError(
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translate("Path_FaceProfile", "Please select one face or wire\n"))
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return
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if len(selection[0].SubObjects) != 1:
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FreeCAD.Console.PrintError(
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translate("Path_FaceProfile", "Please select only one face or wire\n"))
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return
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if not selection[0].SubObjects[0].ShapeType in ["Face", "Wire"]:
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FreeCAD.Console.PrintError(
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translate("Path_FaceProfile", "Please select only a face or a wire\n"))
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return
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# if everything is ok, execute and register the transaction in the
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# undo/redo stack
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FreeCAD.ActiveDocument.openTransaction("Create Profile")
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FreeCADGui.addModule("PathScripts.PathFaceProfile")
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FreeCADGui.addModule("PathScripts.PathUtils")
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FreeCADGui.doCommand(
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'obj = FreeCAD.ActiveDocument.addObject("Path::FeaturePython","FaceProfile")')
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FreeCADGui.doCommand(
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'PathScripts.PathFaceProfile.ObjectFaceProfile(obj)')
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FreeCADGui.doCommand('obj.Base = (FreeCAD.ActiveDocument.' + selection[
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0].ObjectName + ',"' + selection[0].SubElementNames[0] + '")')
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FreeCADGui.doCommand('obj.ViewObject.Proxy = 0')
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FreeCADGui.doCommand('PathScripts.PathUtils.addToJob(obj)')
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FreeCAD.ActiveDocument.commitTransaction()
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FreeCAD.ActiveDocument.recompute()
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if FreeCAD.GuiUp:
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# register the FreeCAD command
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FreeCADGui.addCommand('Path_FaceProfile', CommandPathFaceProfile())
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