1 // Copyright (C) 2007-2010 CEA/DEN, EDF R&D, OPEN CASCADE
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.
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.
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
17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
20 // SMESH SMESH : implementaion of SMESH idl descriptions
21 // File : StdMeshers_QuadToTriaAdaptor.hxx
24 #ifndef _SMESH_QuadToTriaAdaptor_HXX_
25 #define _SMESH_QuadToTriaAdaptor_HXX_
27 #include "SMESH_StdMeshers.hxx"
30 class SMESH_ElementSearcher;
31 class SMDS_MeshElement;
34 class Handle_TColgp_HArray1OfPnt;
35 class Handle_TColgp_HArray1OfVec;
44 #include <TopoDS_Shape.hxx>
46 typedef std::map<const SMDS_MeshElement*, bool> TRemTrias;
49 * \brief "Transforms" quadrilateral faces into triangular ones by creation of pyramids
51 class STDMESHERS_EXPORT StdMeshers_QuadToTriaAdaptor
54 StdMeshers_QuadToTriaAdaptor();
56 ~StdMeshers_QuadToTriaAdaptor();
58 bool Compute(SMESH_Mesh& aMesh, const TopoDS_Shape& aShape);
60 bool Compute(SMESH_Mesh& aMesh);
62 const std::list<const SMDS_MeshFace*>* GetTriangles(const SMDS_MeshElement* aFace);
65 * \brief Return sum of generated and already present triangles
67 int TotalNbOfTriangles() const { return myNbTriangles; }
69 TopoDS_Shape GetShape() const { return myShape; }
73 //bool CheckDegenerate(const SMDS_MeshElement* aFace);
75 int Preparation(const SMDS_MeshElement* face,
76 Handle_TColgp_HArray1OfPnt& PN,
77 Handle_TColgp_HArray1OfVec& VN,
78 std::vector<const SMDS_MeshNode*>& FNodes,
79 gp_Pnt& PC, gp_Vec& VNorm,
80 const SMDS_MeshElement** volumes=0);
82 bool CheckIntersection(const gp_Pnt& P, const gp_Pnt& PC,
83 gp_Pnt& Pint, SMESH_Mesh& aMesh,
84 const TopoDS_Shape& aShape,
85 const SMDS_MeshElement* NotCheckedFace);
87 bool Compute2ndPart(SMESH_Mesh& aMesh);
90 typedef std::list<const SMDS_MeshFace* > TTriaList;
91 typedef std::multimap<const SMDS_MeshElement*, TTriaList > TQuad2Trias;
93 TRemTrias myTempTriangles;
95 std::vector<const SMDS_MeshElement*> myPyramids;
97 std::list< const SMDS_MeshNode* > myDegNodes;
99 const SMESH_ElementSearcher* myElemSearcher;
103 TopoDS_Shape myShape;