Files
create/src/Mod/Surface/App/FeatureCut.cpp
2017-11-27 22:11:13 +01:00

105 lines
3.7 KiB
C++

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