118 lines
4.1 KiB
C++
118 lines
4.1 KiB
C++
/***************************************************************************
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* Copyright (c) 2014 Nathan Miller <Nathan.A.Mill[at]gmail.com> *
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* *
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* This file is part of the FreeCAD CAx development system. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library 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 library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 59 Temple Place, *
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* Suite 330, Boston, MA 02111-1307, USA *
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* *
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***************************************************************************/
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#include "PreCompiled.h"
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#ifndef _PreComp_
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#include <BRepBuilderAPI_MakeFace.hxx>
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#include <TopoDS.hxx>
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#include <TopoDS_Edge.hxx>
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#include <Precision.hxx>
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#endif
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#include "FeatureCut.h"
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#include <BRepAlgoAPI_Cut.hxx>
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#include <TopExp_Explorer.hxx>
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#include <TopoDS_Builder.hxx>
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#include <BRep_Tool.hxx>
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#include <gp_Pnt.hxx>
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#include <Base/Tools.h>
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#include <Base/Exception.h>
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using namespace Surface;
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PROPERTY_SOURCE(Surface::Cut, Part::Feature)
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//Initial values
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Cut::Cut()
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{
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ADD_PROPERTY(aShapeList,(0,"TopoDS_Shape"));
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}
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//Check if any components of the surface have been modified
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short Cut::mustExecute() const
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{
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if (aShapeList.isTouched())
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return 1;
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return 0;
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}
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App::DocumentObjectExecReturn *Cut::execute(void)
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{
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//Perform error checking
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//Begin Construction
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try{
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if((aShapeList.getSize()>2) || (aShapeList.getSize()<2)){
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return new App::DocumentObjectExecReturn("Two shapes must be entered at a time for a cut operation");
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}
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//Initialize variables for first toposhape from document object
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Part::TopoShape ts1;
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TopoDS_Shape sub1;
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App::PropertyLinkSubList::SubSet set1 = aShapeList[0];
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//Initialize variables for second toposhape from document object
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Part::TopoShape ts2;
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TopoDS_Shape sub2;
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App::PropertyLinkSubList::SubSet set2 = aShapeList[1];
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//Get first toposhape
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printf("Get first toposhape\n");
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if(set1.obj->getTypeId().isDerivedFrom(Part::Feature::getClassTypeId())) {
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ts1 = static_cast<Part::Feature*>(set1.obj)->Shape.getShape(); //Part::TopoShape 1
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}
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else{return new App::DocumentObjectExecReturn("Shape1 not from Part::Feature");}
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//Get second toposhape
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printf("Get second toposhape\n");
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if(set2.obj->getTypeId().isDerivedFrom(Part::Feature::getClassTypeId())) {
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ts2 = static_cast<Part::Feature*>(set2.obj)->Shape.getShape();
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}
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else{return new App::DocumentObjectExecReturn("Shape2 not from Part::Feature");}
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//Cut Shape1 by Shape2
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TopoDS_Shape aCutShape;
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aCutShape = ts1.cut(ts2._Shape);
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//Check if resulting shell is null
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if (aCutShape.IsNull()){
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return new App::DocumentObjectExecReturn("Resulting shape is null");
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}
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this->Shape.setValue(aCutShape);
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return 0;
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} //End Try
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catch (Standard_Failure) {
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Handle_Standard_Failure e = Standard_Failure::Caught();
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return new App::DocumentObjectExecReturn(e->GetMessageString());
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} //End Catch
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} //End execute
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