73649495e6
FeatureArea will return the user defined workplane if there is one, or else it returns auto selected plane by its internal Area object
241 lines
8.3 KiB
C++
241 lines
8.3 KiB
C++
/****************************************************************************
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* Copyright (c) 2017 Zheng, Lei (realthunder) <realthunder.dev@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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#endif
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#include <BRep_Builder.hxx>
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#include <TopoDS_Compound.hxx>
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#include "FeatureArea.h"
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#include "FeatureAreaPy.h"
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#include <App/DocumentObjectPy.h>
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#include <Base/Placement.h>
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#include <Mod/Part/App/PartFeature.h>
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using namespace Path;
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PROPERTY_SOURCE(Path::FeatureArea, Part::Feature)
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PARAM_ENUM_STRING_DECLARE(static const char *Enums,AREA_PARAMS_ALL)
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FeatureArea::FeatureArea()
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:myBuild(false)
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{
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ADD_PROPERTY(Sources,(0));
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ADD_PROPERTY(WorkPlane,(TopoDS_Shape()));
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PARAM_PROP_ADD("Area",AREA_PARAMS_OPCODE);
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PARAM_PROP_ADD("Area",AREA_PARAMS_BASE);
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PARAM_PROP_ADD("Offset",AREA_PARAMS_OFFSET);
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PARAM_PROP_ADD("Offset", AREA_PARAMS_OFFSET_CONF);
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PARAM_PROP_ADD("Pocket",AREA_PARAMS_POCKET);
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PARAM_PROP_ADD("Pocket",AREA_PARAMS_POCKET_CONF);
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PARAM_PROP_ADD("Section",AREA_PARAMS_SECTION);
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PARAM_PROP_ADD("libarea",AREA_PARAMS_CAREA);
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PARAM_PROP_SET_ENUM(Enums,AREA_PARAMS_ALL);
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PocketMode.setValue((long)0);
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}
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FeatureArea::~FeatureArea()
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{
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}
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Area &FeatureArea::getArea() {
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if(!myBuild)
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execute();
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return myArea;
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}
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App::DocumentObjectExecReturn *FeatureArea::execute(void)
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{
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std::vector<App::DocumentObject*> links = Sources.getValues();
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if (links.empty())
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return new App::DocumentObjectExecReturn("No shapes linked");
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for (std::vector<App::DocumentObject*>::iterator it = links.begin(); it != links.end(); ++it) {
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if (!(*it && (*it)->isDerivedFrom(Part::Feature::getClassTypeId())))
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return new App::DocumentObjectExecReturn("Linked object is not a Part object (has no Shape).");
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TopoDS_Shape shape = static_cast<Part::Feature*>(*it)->Shape.getShape().getShape();
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if (shape.IsNull())
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return new App::DocumentObjectExecReturn("Linked shape object is empty");
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}
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TIME_INIT(t);
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myBuild = true;
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AreaParams params;
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#define AREA_PROP_GET(_param) \
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params.PARAM_FNAME(_param) = PARAM_FNAME(_param).getValue();
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PARAM_FOREACH(AREA_PROP_GET,AREA_PARAMS_CONF)
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myArea.clean(true);
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myArea.setParams(params);
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TopoDS_Shape workPlane = WorkPlane.getShape().getShape();
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myArea.setPlane(workPlane);
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for (std::vector<App::DocumentObject*>::iterator it = links.begin(); it != links.end(); ++it) {
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myArea.add(static_cast<Part::Feature*>(*it)->Shape.getShape().getShape(),
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PARAM_PROP_ARGS(AREA_PARAMS_OPCODE));
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}
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myShapes.clear();
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if(myArea.getSectionCount()==0)
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myShapes.push_back(myArea.getShape(-1));
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else {
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myShapes.reserve(myArea.getSectionCount());
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for(int i=0;i<(int)myArea.getSectionCount();++i)
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myShapes.push_back(myArea.getShape(i));
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}
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if(myShapes.empty())
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Shape.setValue(TopoDS_Shape());
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else if(myShapes.size()==1)
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Shape.setValue(myShapes.front());
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else{
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BRep_Builder builder;
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TopoDS_Compound compound;
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builder.MakeCompound(compound);
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for(auto &shape : myShapes)
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builder.Add(compound,shape);
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Shape.setValue(compound);
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}
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TIME_PRINT(t,"feature execute");
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return Part::Feature::execute();
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}
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const std::vector<TopoDS_Shape> &FeatureArea::getShapes() {
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getArea();
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return myShapes;
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}
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short FeatureArea::mustExecute(void) const
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{
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return !myArea.isBuilt() || Part::Feature::mustExecute();
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}
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PyObject *FeatureArea::getPyObject()
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{
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if (PythonObject.is(Py::_None())){
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// ref counter is set to 1
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PythonObject = Py::Object(new FeatureAreaPy(this),true);
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}
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return Py::new_reference_to(PythonObject);
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}
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// FeatureAreaView -------------------------------------------------------------
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//
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PROPERTY_SOURCE(Path::FeatureAreaView, Part::Feature)
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FeatureAreaView::FeatureAreaView()
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{
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ADD_PROPERTY(Source,(0));
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ADD_PROPERTY_TYPE(SectionIndex,(0),"Section",App::Prop_None,"The start index of the section to show, negative value for reverse index from bottom");
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ADD_PROPERTY_TYPE(SectionCount,(1),"Section",App::Prop_None,"Number of sections to show, 0 to show all section starting from SectionIndex");
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}
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std::list<TopoDS_Shape> FeatureAreaView::getShapes() {
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std::list<TopoDS_Shape> shapes;
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App::DocumentObject* pObj = Source.getValue();
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if (!pObj) return shapes;
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if(!pObj->isDerivedFrom(FeatureArea::getClassTypeId()))
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return shapes;
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auto all_shapes = static_cast<FeatureArea*>(pObj)->getShapes();
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if(all_shapes.empty())
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return shapes;
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int index=SectionIndex.getValue(),count=SectionCount.getValue();
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if(index<0) {
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index += ((int)all_shapes.size());
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if(index<0) return shapes;
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if(count<=0 || index+1-count<0) {
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count = index+1;
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index = 0;
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}else
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index -= count-1;
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}else if(index >= (int)all_shapes.size())
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return shapes;
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if(count<=0) count = all_shapes.size();
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count += index;
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if(count>(int)all_shapes.size())
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count = all_shapes.size();
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for(int i=index;i<count;++i)
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shapes.push_back(all_shapes[i]);
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return std::move(shapes);
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}
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App::DocumentObjectExecReturn *FeatureAreaView::execute(void)
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{
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App::DocumentObject* pObj = Source.getValue();
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if (!pObj)
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return new App::DocumentObjectExecReturn("No shape linked");
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if(!pObj->isDerivedFrom(FeatureArea::getClassTypeId()))
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return new App::DocumentObjectExecReturn("Linked object is not a FeatureArea");
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std::list<TopoDS_Shape> shapes = getShapes();
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if(shapes.empty())
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Shape.setValue(TopoDS_Shape());
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else if(shapes.size()==1) {
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Shape.setValue(shapes.front());
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}else{
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BRep_Builder builder;
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TopoDS_Compound compound;
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builder.MakeCompound(compound);
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for(auto &shape : shapes)
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builder.Add(compound,shape);
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Shape.setValue(compound);
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}
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return Part::Feature::execute();
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}
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// Python feature ---------------------------------------------------------
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namespace App {
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/// @cond DOXERR
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PROPERTY_SOURCE_TEMPLATE(Path::FeatureAreaPython, Path::FeatureArea)
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PROPERTY_SOURCE_TEMPLATE(Path::FeatureAreaViewPython, Path::FeatureAreaView)
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template<> const char* Path::FeatureAreaPython::getViewProviderName(void) const {
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return "PathGui::ViewProviderAreaPython";
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}
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template<> const char* Path::FeatureAreaViewPython::getViewProviderName(void) const {
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return "PathGui::ViewProviderAreaViewPython";
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}
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/// @endcond
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// explicit template instantiation
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template class PathExport FeaturePythonT<Path::FeatureArea>;
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}
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