# -*- coding: utf-8 -*- #*************************************************************************** #* * #* Copyright (c) 2015 Dan Falck * #* * #* 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 * #* * #*************************************************************************** '''PathKurve - Path Profile operation using libarea (created by Dan Heeks) for making simple CNC paths. libarea, originally from HeeksCNC project must be present for this to work.''' import FreeCAD,FreeCADGui,Path,PathGui from PathScripts import PathProject,PathUtils,PathKurveUtils,PathSelection from PySide import QtCore,QtGui # Qt tanslation handling try: _encoding = QtGui.QApplication.UnicodeUTF8 def translate(context, text, disambig=None): return QtGui.QApplication.translate(context, text, disambig, _encoding) except AttributeError: def translate(context, text, disambig=None): return QtGui.QApplication.translate(context, text, disambig) class PathProfile: def __init__(self,obj): obj.addProperty("App::PropertyLinkSub","Base","Path",translate("Parent Object","The base geometry of this toolpath")) obj.addProperty("App::PropertyLinkSub","StartPoint", "Path", translate("Start Point","Linked Start Point of Profile")) obj.addProperty("App::PropertyLinkSub","EndPoint", "Path", translate("End Point","Linked End Point of Profile")) obj.addProperty("App::PropertyBool","Active","Path",translate("Active","Make False, to prevent operation from generating code")) obj.addProperty("App::PropertyString","Comment","Path",translate("Comment","An optional comment for this profile")) obj.addProperty("App::PropertyIntegerConstraint","ToolNumber","Tool",translate("PathProfile","The tool number in use")) obj.ToolNumber = (0,0,1000,1) obj.setEditorMode('ToolNumber',1) #make this read only #Depth Properties obj.addProperty("App::PropertyDistance", "ClearanceHeight", "Depth", translate("Clearance Height","The height needed to clear clamps and obstructions")) obj.addProperty("App::PropertyLength", "StepDown", "Depth", translate("StepDown","Incremental Step Down of Tool")) # obj.addProperty("App::PropertyBool","UseStartDepth","Depth",translate("Use Start Depth","make True, if manually specifying a Start Start Depth")) obj.addProperty("App::PropertyDistance", "StartDepth", "Depth", translate("Start Depth","Starting Depth of Tool- first cut depth in Z")) obj.addProperty("App::PropertyDistance", "FinalDepth", "Depth", translate("Final Depth","Final Depth of Tool- lowest value in Z")) obj.addProperty("App::PropertyDistance", "RetractHeight", "Depth", translate("Retract Height","The height desired to retract tool when path is finished")) #Feed Properties obj.addProperty("App::PropertyLength", "VertFeed", "Feed",translate("Vert Feed","Feed rate (in units per minute) for vertical moves in Z")) obj.addProperty("App::PropertyLength", "HorizFeed", "Feed",translate("Horiz Feed","Feed rate (in units per minute) for horizontal moves")) #Profile Properties obj.addProperty("App::PropertyEnumeration", "Side", "Profile", translate("Side","Side of edge that tool should cut")) obj.Side = ['left','right','on'] #side of profile that cutter is on in relation to direction of profile obj.addProperty("App::PropertyEnumeration", "Direction", "Profile",translate("Direction", "The direction that the toolpath should go around the part ClockWise CW or CounterClockWise CCW")) obj.Direction = ['CW','CCW'] #this is the direction that the profile runs obj.addProperty("App::PropertyBool","UseComp","Profile",translate("Use Cutter Comp","make True, if using Cutter Radius Compensation")) obj.addProperty("App::PropertyIntegerList","Edgelist","Profile",translate("Edge List", "List of edges selected")) obj.addProperty("App::PropertyDistance", "OffsetExtra", "Profile",translate("OffsetExtra","Extra value to stay away from final profile- good for roughing toolpath")) # obj.addProperty("App::PropertyLength", "SegLen", "Profile",translate("Seg Len","Tesselation value for tool paths made from beziers, bsplines, and ellipses")) # #Start Point Properties obj.addProperty("App::PropertyString","StartPtName","Profile",translate("Start Point","The name of the start point of this path")) obj.addProperty("App::PropertyBool","UseStartPt","Profile",translate("Use Start Point","Make True, if specifying a Start Point")) # obj.addProperty("App::PropertyLength", "ExtendAtStart", "Profile", translate("extend at start", "extra length of tool path before start of part edge")) # obj.addProperty("App::PropertyLength", "LeadInLineLen", "Profile", translate("lead in length","length of straight segment of toolpath that comes in at angle to first part edge")) # #End Point Properties obj.addProperty("App::PropertyString","EndPtName","Profile",translate("End Point","The name of the end point of this path")) obj.addProperty("App::PropertyBool","UseEndPt","Profile",translate("Use End Point","Make True, if specifying an End Point")) # obj.addProperty("App::PropertyLength", "ExtendAtEnd", "Profile", translate("extend at end","extra length of tool path after end of part edge")) # obj.addProperty("App::PropertyLength", "LeadOutLineLen", "Profile", translate("lead_out_line_len","length of straight segment of toolpath that comes in at angle to last edge selected")) # obj.addProperty("App::PropertyDistance", "RollRadius", "Profile", translate("Roll Radius","Radius at start and end")) obj.Proxy = self def __getstate__(self): return None def __setstate__(self,state): return None def execute(self,obj): if obj.Base: # tie the toolnumber to the PathLoadTool object ToolNumber if len(obj.InList)>0: #check to see if obj is in the Project group yet project = obj.InList[0] tl = int(PathUtils.changeTool(obj,project)) obj.ToolNumber= tl tool = PathUtils.getTool(obj,obj.ToolNumber) if tool: self.radius = tool.Diameter/2 else: # temporary value,in case we don't have any tools defined already self.radius = 0.25 # self.radius = 0.25 self.clearance = obj.ClearanceHeight.Value self.step_down=obj.StepDown.Value self.start_depth=obj.StartDepth.Value self.final_depth=obj.FinalDepth.Value self.rapid_safety_space=obj.RetractHeight.Value self.side=obj.Side self.offset_extra=obj.OffsetExtra.Value self.use_CRC=obj.UseComp self.vf=obj.VertFeed.Value self.hf=obj.HorizFeed.Value edgelist = [] if obj.StartPtName and obj.UseStartPt: self.startpt = FreeCAD.ActiveDocument.getObject(obj.StartPtName).Shape else: self.startpt = None if obj.EndPtName and obj.UseEndPt: self.endpt = FreeCAD.ActiveDocument.getObject(obj.EndPtName).Shape else: self.endpt = None for e in obj.Edgelist: edgelist.append(FreeCAD.ActiveDocument.getObject(obj.Base[0].Name).Shape.Edges[e-1]) output=PathKurveUtils.makePath(edgelist,self.side,self.radius,self.vf,self.hf,self.offset_extra, \ self.rapid_safety_space,self.clearance,self.start_depth,self.step_down, \ self.final_depth,self.use_CRC,obj.Direction,self.startpt,self.endpt) if obj.Active: path = Path.Path(output) obj.Path = path obj.ViewObject.Visibility = True else: path = Path.Path("(inactive operation)") obj.Path = path obj.ViewObject.Visibility = False class _ViewProviderKurve: def __init__(self,vobj): #mandatory vobj.Proxy = self def __getstate__(self): #mandatory return None def __setstate__(self,state): #mandatory return None def getIcon(self): #optional return ":/icons/Path-Kurve.svg" class CommandPathKurve: def GetResources(self): return {'Pixmap' : 'Path-Kurve', 'MenuText': QtCore.QT_TRANSLATE_NOOP("PathProfile","Profile"), 'Accel': "P, P", 'ToolTip': QtCore.QT_TRANSLATE_NOOP("PathProfile","Creates a Path Profile object from selected edges, using libarea for offset algorithm")} def IsActive(self): return not FreeCAD.ActiveDocument is None def Activated(self): FreeCAD.ActiveDocument.openTransaction(translate("PathKurve","Create a Profile operation using libarea")) FreeCADGui.addModule("PathScripts.PathKurve") snippet = ''' import Path from PathScripts import PathSelection,PathProject,PathUtils import area def profileop(): selection = PathSelection.multiSelect() if not selection: FreeCAD.Console.PrintError('please select some edges\\n') obj = FreeCAD.ActiveDocument.addObject("Path::FeaturePython","Profile") PathScripts.PathKurve.PathProfile(obj) obj.Active = True PathScripts.PathKurve._ViewProviderKurve(obj.ViewObject) obj.Base = (FreeCAD.ActiveDocument.getObject(selection['objname'])) elist = [] for e in selection['edgenames']: elist.append(eval(e.lstrip('Edge'))) obj.Edgelist = elist if selection['pointnames']: FreeCAD.Console.PrintMessage('There are points selected.\\n') if len(selection['pointnames'])>1: obj.StartPtName = selection['pointnames'][0] obj.StartPoint= FreeCAD.ActiveDocument.getObject(obj.StartPtName) obj.EndPtName = selection['pointnames'][-1] obj.EndPoint=FreeCAD.ActiveDocument.getObject(obj.EndPtName) else: obj.StartPtName = selection['pointnames'][0] obj.StartPoint= FreeCAD.ActiveDocument.getObject(obj.StartPtName) obj.ClearanceHeight = 2.0 obj.StepDown = 1.0 obj.StartDepth=0.0 obj.FinalDepth=-1.0 obj.RetractHeight = 5.0 obj.Side = 'left' obj.OffsetExtra = 0.0 if selection['clockwise']: obj.Direction = 'CW' else: obj.Direction = 'CCW' obj.UseComp = False project = PathUtils.addToProject(obj) tl = PathUtils.changeTool(obj,project) if tl: obj.ToolNumber = tl from PathScripts import PathProject,PathUtils,PathKurve, PathKurveUtils,PathSelection try: import area except: FreeCAD.Console.PrintError('libarea needs to be installed for this command to work\\n') profileop() ''' FreeCADGui.doCommand(snippet) FreeCAD.ActiveDocument.commitTransaction() FreeCAD.ActiveDocument.recompute() if FreeCAD.GuiUp: # register the FreeCAD command FreeCADGui.addCommand('Path_Kurve',CommandPathKurve()) FreeCAD.Console.PrintLog("Loading PathKurve... done\n")