App/FeatureFillet.cpp

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00001 /***************************************************************************
00002  *   Copyright (c) 2008 Werner Mayer <wmayer[at]users.sourceforge.net>     *
00003  *                                                                         *
00004  *   This file is part of the FreeCAD CAx development system.              *
00005  *                                                                         *
00006  *   This library is free software; you can redistribute it and/or         *
00007  *   modify it under the terms of the GNU Library General Public           *
00008  *   License as published by the Free Software Foundation; either          *
00009  *   version 2 of the License, or (at your option) any later version.      *
00010  *                                                                         *
00011  *   This library  is distributed in the hope that it will be useful,      *
00012  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
00013  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
00014  *   GNU Library General Public License for more details.                  *
00015  *                                                                         *
00016  *   You should have received a copy of the GNU Library General Public     *
00017  *   License along with this library; see the file COPYING.LIB. If not,    *
00018  *   write to the Free Software Foundation, Inc., 59 Temple Place,         *
00019  *   Suite 330, Boston, MA  02111-1307, USA                                *
00020  *                                                                         *
00021  ***************************************************************************/
00022 
00023 
00024 #include "PreCompiled.h"
00025 #ifndef _PreComp_
00026 # include <BRepFilletAPI_MakeFillet.hxx>
00027 # include <TopExp.hxx>
00028 # include <TopExp_Explorer.hxx>
00029 # include <TopoDS.hxx>
00030 # include <TopoDS_Edge.hxx>
00031 # include <TopTools_IndexedMapOfShape.hxx>
00032 #endif
00033 
00034 
00035 #include "FeatureFillet.h"
00036 #include <Base/Exception.h>
00037 
00038 
00039 using namespace Part;
00040 
00041 
00042 PROPERTY_SOURCE(Part::Fillet, Part::Feature)
00043 
00044 Fillet::Fillet()
00045 {
00046     ADD_PROPERTY(Base,(0));
00047     ADD_PROPERTY(Edges,(0,0,0));
00048     Edges.setSize(0);
00049 }
00050 
00051 short Fillet::mustExecute() const
00052 {
00053     if (Base.isTouched() || Edges.isTouched())
00054         return 1;
00055     return 0;
00056 }
00057 
00058 App::DocumentObjectExecReturn *Fillet::execute(void)
00059 {
00060     App::DocumentObject* link = Base.getValue();
00061     if (!link)
00062         return new App::DocumentObjectExecReturn("No object linked");
00063     if (!link->getTypeId().isDerivedFrom(Part::Feature::getClassTypeId()))
00064         return new App::DocumentObjectExecReturn("Linked object is not a Part object");
00065     Part::Feature *base = static_cast<Part::Feature*>(Base.getValue());
00066 
00067     try {
00068 #if defined(__GNUC__) && defined (FC_OS_LINUX)
00069         Base::SignalException se;
00070 #endif
00071         BRepFilletAPI_MakeFillet mkFillet(base->Shape.getValue());
00072         TopTools_IndexedMapOfShape mapOfShape;
00073         TopExp::MapShapes(base->Shape.getValue(), TopAbs_EDGE, mapOfShape);
00074 
00075         std::vector<FilletElement> values = Edges.getValues();
00076         for (std::vector<FilletElement>::iterator it = values.begin(); it != values.end(); ++it) {
00077             int id = it->edgeid;
00078             double radius1 = it->radius1;
00079             double radius2 = it->radius2;
00080             const TopoDS_Edge& edge = TopoDS::Edge(mapOfShape.FindKey(id));
00081             mkFillet.Add(radius1, radius2, edge);
00082         }
00083 
00084         TopoDS_Shape shape = mkFillet.Shape();
00085         if (shape.IsNull())
00086             return new App::DocumentObjectExecReturn("Resulting shape is null");
00087         this->Shape.setValue(shape);
00088         return App::DocumentObject::StdReturn;
00089     }
00090     catch (Standard_Failure) {
00091         Handle_Standard_Failure e = Standard_Failure::Caught();
00092         return new App::DocumentObjectExecReturn(e->GetMessageString());
00093     }
00094     catch (...) {
00095         return new App::DocumentObjectExecReturn("A fatal error occurred when making fillets");
00096     }
00097 }

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