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_Algo.hxx"
31 #include "SMESH_ProxyMesh.hxx"
32 #include "SMESH_StdMeshers.hxx"
33 #include "StdMeshers_QuadrangleParams.hxx"
35 #include <TopoDS_Face.hxx>
39 class SMESH_MesherHelper;
40 class SMESH_ProxyMesh;
41 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
57 class STDMESHERS_EXPORT StdMeshers_Quadrangle_2D: public SMESH_2D_Algo
60 StdMeshers_Quadrangle_2D(int hypId, int studyId, SMESH_Gen* gen);
61 virtual ~StdMeshers_Quadrangle_2D();
63 virtual bool CheckHypothesis(SMESH_Mesh& aMesh,
64 const TopoDS_Shape& aShape,
65 SMESH_Hypothesis::Hypothesis_Status& aStatus);
67 virtual bool Compute(SMESH_Mesh& aMesh,
68 const TopoDS_Shape& aShape);
70 virtual bool Evaluate(SMESH_Mesh & aMesh, const TopoDS_Shape & aShape,
71 MapShapeNbElems& aResMap);
73 FaceQuadStruct* CheckAnd2Dcompute(SMESH_Mesh& aMesh,
74 const TopoDS_Shape& aShape,
75 const bool CreateQuadratic);
77 FaceQuadStruct* CheckNbEdges(SMESH_Mesh& aMesh,
78 const TopoDS_Shape& aShape);
82 bool CheckNbEdgesForEvaluate(SMESH_Mesh& aMesh,
83 const TopoDS_Shape & aShape,
84 MapShapeNbElems& aResMap,
85 std::vector<int>& aNbNodes,
88 bool SetNormalizedGrid(SMESH_Mesh& aMesh,
89 const TopoDS_Shape& aShape,
90 FaceQuadStruct*& quad);
92 void SplitQuad(SMESHDS_Mesh *theMeshDS,
94 const SMDS_MeshNode* theNode1,
95 const SMDS_MeshNode* theNode2,
96 const SMDS_MeshNode* theNode3,
97 const SMDS_MeshNode* theNode4);
99 bool ComputeQuadPref(SMESH_Mesh& aMesh,
100 const TopoDS_Shape& aShape,
101 FaceQuadStruct* quad);
103 bool EvaluateQuadPref(SMESH_Mesh& aMesh,
104 const TopoDS_Shape& aShape,
105 std::vector<int>& aNbNodes,
106 MapShapeNbElems& aResMap,
109 bool ComputeReduced (SMESH_Mesh& aMesh,
110 const TopoDS_Shape& aShape,
111 FaceQuadStruct* quad);
113 void UpdateDegenUV(FaceQuadStruct* quad);
115 void Smooth (FaceQuadStruct* quad);
118 // true if QuadranglePreference hypothesis is assigned that forces
119 // construction of quadrangles if the number of nodes on opposite edges
120 // is not the same in the case where the global number of nodes on edges
122 bool myQuadranglePreference;
124 bool myTrianglePreference;
130 StdMeshers_QuadType myQuadType;
132 SMESH_MesherHelper* myHelper; // tool for working with quadratic elements
134 SMESH_ProxyMesh::Ptr myProxyMesh;