SALOME - SMESH
StdMeshers_QuadToTriaAdaptor.hxx
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00001 //  Copyright (C) 2007-2008  CEA/DEN, EDF R&D, OPEN CASCADE
00002 //
00003 //  Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
00004 //  CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
00005 //
00006 //  This library is free software; you can redistribute it and/or
00007 //  modify it under the terms of the GNU Lesser General Public
00008 //  License as published by the Free Software Foundation; either
00009 //  version 2.1 of the License.
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 GNU
00014 //  Lesser General Public License for more details.
00015 //
00016 //  You should have received a copy of the GNU Lesser General Public
00017 //  License along with this library; if not, write to the Free Software
00018 //  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
00019 //
00020 //  See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
00021 //
00022 //  SMESH SMESH : implementaion of SMESH idl descriptions
00023 //  File   : StdMeshers_QuadToTriaAdaptor.hxx
00024 //  Module : SMESH
00025 //
00026 #ifndef _SMESH_QuadToTriaAdaptor_HXX_
00027 #define _SMESH_QuadToTriaAdaptor_HXX_
00028 
00029 #include <SMESH_Mesh.hxx>
00030 #include "SMESH_StdMeshers.hxx"
00031 #include <SMDS_FaceOfNodes.hxx>
00032 #include <TColgp_HArray1OfPnt.hxx>
00033 #include <TColgp_HArray1OfVec.hxx>
00034 
00035 #include <map>
00036 #include <list>
00037 #include <vector>
00038 
00039 class STDMESHERS_EXPORT StdMeshers_QuadToTriaAdaptor
00040 {
00041 public:
00042 
00043   StdMeshers_QuadToTriaAdaptor();
00044 
00045   ~StdMeshers_QuadToTriaAdaptor();
00046 
00047   bool Compute(SMESH_Mesh& aMesh, const TopoDS_Shape& aShape);
00048 
00049   bool Compute(SMESH_Mesh& aMesh);
00050 
00051   const std::list<const SMDS_FaceOfNodes*>* GetTriangles(const SMDS_MeshElement* aFace);
00052 
00053 protected:
00054 
00055   //bool CheckDegenerate(const SMDS_MeshElement* aFace);
00056 
00057   int Preparation(const SMDS_MeshElement* face,
00058                   Handle(TColgp_HArray1OfPnt)& PN,
00059                   Handle(TColgp_HArray1OfVec)& VN,
00060                   std::vector<const SMDS_MeshNode*>& FNodes,
00061                   gp_Pnt& PC, gp_Vec& VNorm);
00062 
00063   bool CheckIntersection(const gp_Pnt& P, const gp_Pnt& PC,
00064                          gp_Pnt& Pint, SMESH_Mesh& aMesh,
00065                          const TopoDS_Shape& aShape,
00066                          const TopoDS_Shape& NotCheckedFace);
00067 
00068   bool Compute2ndPart(SMESH_Mesh& aMesh);
00069 
00070   typedef std::map< const SMDS_MeshElement*, const SMDS_MeshElement*, TIDCompare > TF2PyramMap;
00071 
00072   std::map< const SMDS_MeshElement*, std::list<const SMDS_FaceOfNodes*> > myResMap;
00073   TF2PyramMap myMapFPyram;
00074   std::list< const SMDS_MeshNode* > myDegNodes;
00075 
00076 };
00077 
00078 #endif