1 // Copyright (C) 2007-2012 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
22 // File : StdMeshers_Quadrangle_2D.hxx
23 // Moved here from SMESH_Quadrangle_2D.hxx
24 // Author : Paul RASCLE, EDF
27 #ifndef _SMESH_QUADRANGLE_2D_HXX_
28 #define _SMESH_QUADRANGLE_2D_HXX_
30 #include "SMESH_StdMeshers.hxx"
32 #include "StdMeshers_QuadrangleParams.hxx"
34 #include "SMESH_Algo.hxx"
35 #include "Utils_SALOME_Exception.hxx"
37 #include <TopoDS_Face.hxx>
40 class SMESH_MesherHelper;
41 class StdMeshers_FaceSide;
46 enum TSideID { BOTTOM_SIDE=0, RIGHT_SIDE, TOP_SIDE, LEFT_SIDE, NB_SIDES };
48 typedef uvPtStruct UVPtStruct;
49 typedef struct faceQuadStruct
51 std::vector< StdMeshers_FaceSide*> side;
52 bool isEdgeOut[4]; // true, if an edge has more nodes, than the opposite
58 class STDMESHERS_EXPORT StdMeshers_Quadrangle_2D: public SMESH_2D_Algo
61 StdMeshers_Quadrangle_2D(int hypId, int studyId, SMESH_Gen* gen);
62 virtual ~StdMeshers_Quadrangle_2D();
64 virtual bool CheckHypothesis(SMESH_Mesh& aMesh,
65 const TopoDS_Shape& aShape,
66 SMESH_Hypothesis::Hypothesis_Status& aStatus);
68 virtual bool Compute(SMESH_Mesh& aMesh,
69 const TopoDS_Shape& aShape);
71 virtual bool Evaluate(SMESH_Mesh & aMesh, const TopoDS_Shape & aShape,
72 MapShapeNbElems& aResMap);
74 FaceQuadStruct* CheckAnd2Dcompute(SMESH_Mesh& aMesh,
75 const TopoDS_Shape& aShape,
76 const bool CreateQuadratic);
78 FaceQuadStruct* CheckNbEdges(SMESH_Mesh& aMesh,
79 const TopoDS_Shape& aShape);
83 bool CheckNbEdgesForEvaluate(SMESH_Mesh& aMesh,
84 const TopoDS_Shape & aShape,
85 MapShapeNbElems& aResMap,
86 std::vector<int>& aNbNodes,
89 bool SetNormalizedGrid(SMESH_Mesh& aMesh,
90 const TopoDS_Shape& aShape,
91 FaceQuadStruct*& quad);
93 void SplitQuad(SMESHDS_Mesh *theMeshDS,
95 const SMDS_MeshNode* theNode1,
96 const SMDS_MeshNode* theNode2,
97 const SMDS_MeshNode* theNode3,
98 const SMDS_MeshNode* theNode4);
100 bool ComputeQuadPref(SMESH_Mesh& aMesh,
101 const TopoDS_Shape& aShape,
102 FaceQuadStruct* quad);
104 bool EvaluateQuadPref(SMESH_Mesh& aMesh,
105 const TopoDS_Shape& aShape,
106 std::vector<int>& aNbNodes,
107 MapShapeNbElems& aResMap,
110 bool ComputeReduced (SMESH_Mesh& aMesh,
111 const TopoDS_Shape& aShape,
112 FaceQuadStruct* quad);
114 void UpdateDegenUV(FaceQuadStruct* quad);
116 void Smooth (FaceQuadStruct* quad);
119 // true if QuadranglePreference hypothesis is assigned that forces
120 // construction of quadrangles if the number of nodes on opposite edges
121 // is not the same in the case where the global number of nodes on edges
123 bool myQuadranglePreference;
125 bool myTrianglePreference;
129 StdMeshers_QuadType myQuadType;
131 SMESH_MesherHelper* myHelper; // tool for working with quadratic elements