src/GeomAlgoAPI/GeomAlgoAPI_Chamfer.cpp

   1 // Copyright (C) 2017-2019  CEA/DEN, EDF R&D
   2 //
   3 // This library is free software; you can redistribute it and/or
   4 // modify it under the terms of the GNU Lesser General Public
   5 // License as published by the Free Software Foundation; either
   6 // version 2.1 of the License, or (at your option) any later version.
   7 //
   8 // This library is distributed in the hope that it will be useful,
   9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11 // Lesser General Public License for more details.
  12 //
  13 // You should have received a copy of the GNU Lesser General Public
  14 // License along with this library; if not, write to the Free Software
  15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  16 //
  17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  18 //
  19
  20 #include "GeomAlgoAPI_Chamfer.h"
  21
  22 #include <BRep_Tool.hxx>
  23 #include <BRepFilletAPI_MakeChamfer.hxx>
  24 #include <BRepTools.hxx>
  25 #include <TopExp.hxx>
  26 #include <TopExp_Explorer.hxx>
  27 #include <TopoDS.hxx>
  28 #include <TopoDS_Face.hxx>
  29
  30 //=================================================================================================
  31 GeomAlgoAPI_Chamfer::GeomAlgoAPI_Chamfer(const GeomShapePtr& theBaseSolid,
  32                                          const ListOfShape&  theChamferShapes,
  33                                          const std::map<GeomShapePtr, GeomShapePtr> theMapEdgeFace,
  34                                          const bool performDistances,
  35                                          const double theVal1,
  36                                          const double theVal2)
  37 {
  38   build(theBaseSolid, theChamferShapes, theMapEdgeFace, performDistances, theVal1, theVal2);
  39 }
  40
  41 //=================================================================================================
  42 void GeomAlgoAPI_Chamfer::build(const GeomShapePtr& theBaseSolid,
  43                                 const ListOfShape&  theChamferShapes,
  44                                 const std::map<GeomShapePtr, GeomShapePtr> theMapEdgeFace,
  45                                 const bool performDistances,
  46                                 const double theVal1,
  47                                 const double theVal2)
  48 {
  49   TopoDS_Shape aShapeBase = theBaseSolid->impl<TopoDS_Shape>();
  50   TopTools_IndexedDataMapOfShapeListOfShape M;
  51   TopExp::MapShapesAndAncestors(aShapeBase, TopAbs_EDGE, TopAbs_FACE, M);
  52
  53   // create chamfer builder
  54   BRepFilletAPI_MakeChamfer* aChamferBuilder =
  55       new BRepFilletAPI_MakeChamfer(aShapeBase);
  56   setImpl(aChamferBuilder);
  57   setBuilderType(OCCT_BRepBuilderAPI_MakeShape);
  58
  59   for (ListOfShape::const_iterator anIt = theChamferShapes.begin();
  60      anIt != theChamferShapes.end(); ++anIt) {
  61     if ((*anIt)->isEdge()) {
  62       TopoDS_Edge E = (*anIt)->impl<TopoDS_Edge>();
  63       if (theMapEdgeFace.find(*anIt) != theMapEdgeFace.end()) {
  64         //TopoDS_Face F = (theMapEdgeFace[*anIt])->impl<TopoDS_Face>();
  65         TopoDS_Face F = (theMapEdgeFace.at(*anIt))->impl<TopoDS_Face>();
  66         if (!BRepTools::IsReallyClosed(E,F) && !BRep_Tool::Degenerated(E) &&
  67               M.FindFromKey(E).Extent() == 2) {
  68           if (performDistances) {
  69               aChamferBuilder->Add(theVal1, theVal2, E, F);
  70             } else {
  71               aChamferBuilder->AddDA(theVal1, theVal2 * M_PI / 180., E, F);
  72             }
  73           }
  74       } else {
  75         const TopTools_ListOfShape& aFacesList = M.FindFromKey(E);
  76         TopoDS_Face F = TopoDS::Face(aFacesList.First());
  77         if (performDistances) {
  78           aChamferBuilder->Add(theVal1, theVal2, E, F);
  79         } else {
  80           aChamferBuilder->AddDA(theVal1, theVal2 * M_PI / 180., E, F);
  81         }
  82       }
  83     }
  84   }
  85
  86   // build and get result
  87   aChamferBuilder->Build();
  88   if (!aChamferBuilder->IsDone())
  89     return;
  90   const TopoDS_Shape& aResult = aChamferBuilder->Shape();
  91
  92   std::shared_ptr<GeomAPI_Shape> aShape(new GeomAPI_Shape());
  93   aShape->setImpl(new TopoDS_Shape(aResult));
  94   setShape(aShape);
  95   setDone(true);
  96 }