SALOME - SMESH
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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_Quadrangle_2D.hxx 00024 // Moved here from SMESH_Quadrangle_2D.hxx 00025 // Author : Paul RASCLE, EDF 00026 // Module : SMESH 00027 // $Header$ 00028 // 00029 #ifndef _SMESH_QUADRANGLE_2D_HXX_ 00030 #define _SMESH_QUADRANGLE_2D_HXX_ 00031 00032 #include "SMESH_StdMeshers.hxx" 00033 00034 #include "SMESH_2D_Algo.hxx" 00035 #include "Utils_SALOME_Exception.hxx" 00036 00037 class SMESH_Mesh; 00038 class SMESH_MesherHelper; 00039 class StdMeshers_FaceSide; 00040 class SMDS_MeshNode; 00041 struct uvPtStruct; 00042 00043 00044 enum TSideID { BOTTOM_SIDE=0, RIGHT_SIDE, TOP_SIDE, LEFT_SIDE, NB_SIDES }; 00045 00046 typedef uvPtStruct UVPtStruct; 00047 typedef struct faceQuadStruct 00048 { 00049 std::vector< StdMeshers_FaceSide*> side; 00050 bool isEdgeOut[4]; // true, if an edge has more nodes, than the opposite 00051 UVPtStruct* uv_grid; 00052 ~faceQuadStruct(); 00053 } FaceQuadStruct; 00054 00055 class STDMESHERS_EXPORT StdMeshers_Quadrangle_2D: public SMESH_2D_Algo 00056 { 00057 public: 00058 StdMeshers_Quadrangle_2D(int hypId, int studyId, SMESH_Gen* gen); 00059 virtual ~StdMeshers_Quadrangle_2D(); 00060 00061 virtual bool CheckHypothesis(SMESH_Mesh& aMesh, 00062 const TopoDS_Shape& aShape, 00063 SMESH_Hypothesis::Hypothesis_Status& aStatus); 00064 00065 virtual bool Compute(SMESH_Mesh& aMesh, 00066 const TopoDS_Shape& aShape); 00067 00068 virtual bool Evaluate(SMESH_Mesh & aMesh, const TopoDS_Shape & aShape, 00069 MapShapeNbElems& aResMap); 00070 00071 FaceQuadStruct* CheckAnd2Dcompute(SMESH_Mesh& aMesh, 00072 const TopoDS_Shape& aShape, 00073 const bool CreateQuadratic); 00074 00075 protected: 00076 00077 FaceQuadStruct* CheckNbEdges(SMESH_Mesh& aMesh, 00078 const TopoDS_Shape& aShape); 00079 00080 bool CheckNbEdgesForEvaluate(SMESH_Mesh& aMesh, 00081 const TopoDS_Shape & aShape, 00082 MapShapeNbElems& aResMap, 00083 std::vector<int>& aNbNodes, 00084 bool& IsQuadratic); 00085 00086 bool SetNormalizedGrid(SMESH_Mesh& aMesh, 00087 const TopoDS_Shape& aShape, 00088 FaceQuadStruct*& quad); 00089 00090 void SplitQuad(SMESHDS_Mesh *theMeshDS, 00091 const int theFaceID, 00092 const SMDS_MeshNode* theNode1, 00093 const SMDS_MeshNode* theNode2, 00094 const SMDS_MeshNode* theNode3, 00095 const SMDS_MeshNode* theNode4); 00096 00100 bool ComputeQuadPref(SMESH_Mesh& aMesh, 00101 const TopoDS_Shape& aShape, 00102 FaceQuadStruct* quad); 00103 00104 bool EvaluateQuadPref(SMESH_Mesh& aMesh, 00105 const TopoDS_Shape& aShape, 00106 std::vector<int>& aNbNodes, 00107 MapShapeNbElems& aResMap, 00108 bool IsQuadratic); 00109 00110 UVPtStruct* LoadEdgePoints2(SMESH_Mesh& aMesh, 00111 const TopoDS_Face& F, const TopoDS_Edge& E, 00112 bool IsReverse); 00113 00114 UVPtStruct* LoadEdgePoints(SMESH_Mesh& aMesh, 00115 const TopoDS_Face& F, const TopoDS_Edge& E, 00116 double first, double last); 00117 00118 UVPtStruct* MakeEdgePoints(SMESH_Mesh& aMesh, 00119 const TopoDS_Face& F, const TopoDS_Edge& E, 00120 double first, double last, int nb_segm); 00121 00122 // true if QuadranglePreference hypothesis is assigned that forces 00123 // construction of quadrangles if the number of nodes on opposite edges 00124 // is not the same in the case where the global number of nodes on edges 00125 // is even 00126 bool myQuadranglePreference; 00127 00128 bool myTrianglePreference; 00129 00130 int myTriaVertexID; 00131 00132 SMESH_MesherHelper* myTool; // tool for working with quadratic elements 00133 }; 00134 00135 #endif