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>
47 * \brief "Transforms" quadrilateral faces into triangular ones by creation of pyramids
49 class STDMESHERS_EXPORT StdMeshers_QuadToTriaAdaptor
52 StdMeshers_QuadToTriaAdaptor();
54 ~StdMeshers_QuadToTriaAdaptor();
56 bool Compute(SMESH_Mesh& aMesh, const TopoDS_Shape& aShape);
58 bool Compute(SMESH_Mesh& aMesh);
60 const std::list<const SMDS_MeshFace*>* GetTriangles(const SMDS_MeshElement* aFace);
63 * \brief Return sum of generated and already present triangles
65 int TotalNbOfTriangles() const { return myNbTriangles; }
67 TopoDS_Shape GetShape() const { return myShape; }
71 //bool CheckDegenerate(const SMDS_MeshElement* aFace);
73 int Preparation(const SMDS_MeshElement* face,
74 Handle_TColgp_HArray1OfPnt& PN,
75 Handle_TColgp_HArray1OfVec& VN,
76 std::vector<const SMDS_MeshNode*>& FNodes,
77 gp_Pnt& PC, gp_Vec& VNorm,
78 const SMDS_MeshElement** volumes=0);
80 bool CheckIntersection(const gp_Pnt& P, const gp_Pnt& PC,
81 gp_Pnt& Pint, SMESH_Mesh& aMesh,
82 const TopoDS_Shape& aShape,
83 const SMDS_MeshElement* NotCheckedFace);
85 bool Compute2ndPart(SMESH_Mesh& aMesh);
88 typedef std::list<const SMDS_MeshFace* > TTriaList;
89 typedef std::multimap<const SMDS_MeshElement*, TTriaList > TQuad2Trias;
92 std::vector<const SMDS_MeshElement*> myPyramids;
94 std::list< const SMDS_MeshNode* > myDegNodes;
96 const SMESH_ElementSearcher* myElemSearcher;
100 TopoDS_Shape myShape;