1 // Copyright (C) 2007-2010 CEA/DEN, EDF R&D, OPEN CASCADE
3 // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
6 // This library is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU Lesser General Public
8 // License as published by the Free Software Foundation; either
9 // version 2.1 of the License.
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // Lesser General Public License for more details.
16 // You should have received a copy of the GNU Lesser General Public
17 // License along with this library; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
23 // SMESH SMESH : implementaion of SMESH idl descriptions
24 // File : StdMeshers_Quadrangle_2D.hxx
25 // Moved here from SMESH_Quadrangle_2D.hxx
26 // Author : Paul RASCLE, EDF
30 #ifndef _SMESH_QUADRANGLE_2D_HXX_
31 #define _SMESH_QUADRANGLE_2D_HXX_
33 #include "SMESH_StdMeshers.hxx"
35 #include "SMESH_2D_Algo.hxx"
36 #include "Utils_SALOME_Exception.hxx"
39 class SMESH_MesherHelper;
40 class StdMeshers_FaceSide;
45 enum TSideID { BOTTOM_SIDE=0, RIGHT_SIDE, TOP_SIDE, LEFT_SIDE, NB_SIDES };
47 typedef uvPtStruct UVPtStruct;
48 typedef struct faceQuadStruct
50 std::vector< StdMeshers_FaceSide*> side;
51 bool isEdgeOut[4]; // true, if an edge has more nodes, than the opposite
56 class STDMESHERS_EXPORT StdMeshers_Quadrangle_2D: public SMESH_2D_Algo
59 StdMeshers_Quadrangle_2D(int hypId, int studyId, SMESH_Gen* gen);
60 virtual ~StdMeshers_Quadrangle_2D();
62 virtual bool CheckHypothesis(SMESH_Mesh& aMesh,
63 const TopoDS_Shape& aShape,
64 SMESH_Hypothesis::Hypothesis_Status& aStatus);
66 virtual bool Compute(SMESH_Mesh& aMesh,
67 const TopoDS_Shape& aShape);
69 virtual bool Evaluate(SMESH_Mesh & aMesh, const TopoDS_Shape & aShape,
70 MapShapeNbElems& aResMap);
72 FaceQuadStruct* CheckAnd2Dcompute(SMESH_Mesh& aMesh,
73 const TopoDS_Shape& aShape,
74 const bool CreateQuadratic);
78 FaceQuadStruct* CheckNbEdges(SMESH_Mesh& aMesh,
79 const TopoDS_Shape& aShape);
81 bool CheckNbEdgesForEvaluate(SMESH_Mesh& aMesh,
82 const TopoDS_Shape & aShape,
83 MapShapeNbElems& aResMap,
84 std::vector<int>& aNbNodes,
87 bool SetNormalizedGrid(SMESH_Mesh& aMesh,
88 const TopoDS_Shape& aShape,
89 FaceQuadStruct*& quad);
91 void SplitQuad(SMESHDS_Mesh *theMeshDS,
93 const SMDS_MeshNode* theNode1,
94 const SMDS_MeshNode* theNode2,
95 const SMDS_MeshNode* theNode3,
96 const SMDS_MeshNode* theNode4);
99 * Special function for creation only quandrangle faces
101 bool ComputeQuadPref(SMESH_Mesh& aMesh,
102 const TopoDS_Shape& aShape,
103 FaceQuadStruct* quad);
105 bool EvaluateQuadPref(SMESH_Mesh& aMesh,
106 const TopoDS_Shape& aShape,
107 std::vector<int>& aNbNodes,
108 MapShapeNbElems& aResMap,
111 UVPtStruct* LoadEdgePoints2(SMESH_Mesh& aMesh,
112 const TopoDS_Face& F, const TopoDS_Edge& E,
115 UVPtStruct* LoadEdgePoints(SMESH_Mesh& aMesh,
116 const TopoDS_Face& F, const TopoDS_Edge& E,
117 double first, double last);
119 UVPtStruct* MakeEdgePoints(SMESH_Mesh& aMesh,
120 const TopoDS_Face& F, const TopoDS_Edge& E,
121 double first, double last, int nb_segm);
123 // true if QuadranglePreference hypothesis is assigned that forces
124 // construction of quadrangles if the number of nodes on opposite edges
125 // is not the same in the case where the global number of nodes on edges
127 bool myQuadranglePreference;
129 bool myTrianglePreference;
133 SMESH_MesherHelper* myTool; // tool for working with quadratic elements