1 // Copyright (C) 2007-2013 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 { QUAD_BOTTOM_SIDE=0, QUAD_RIGHT_SIDE, QUAD_TOP_SIDE, QUAD_LEFT_SIDE, NB_QUAD_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 an opposite one
55 void shift( size_t nb, bool keepUnitOri );
56 typedef boost::shared_ptr<faceQuadStruct> Ptr;
59 class STDMESHERS_EXPORT StdMeshers_Quadrangle_2D: public SMESH_2D_Algo
62 StdMeshers_Quadrangle_2D(int hypId, int studyId, SMESH_Gen* gen);
63 virtual ~StdMeshers_Quadrangle_2D();
65 virtual bool CheckHypothesis(SMESH_Mesh& aMesh,
66 const TopoDS_Shape& aShape,
67 SMESH_Hypothesis::Hypothesis_Status& aStatus);
69 virtual bool Compute(SMESH_Mesh& aMesh,
70 const TopoDS_Shape& aShape);
72 virtual bool Evaluate(SMESH_Mesh & aMesh, const TopoDS_Shape & aShape,
73 MapShapeNbElems& aResMap);
75 FaceQuadStruct::Ptr CheckAnd2Dcompute(SMESH_Mesh& aMesh,
76 const TopoDS_Shape& aShape,
77 const bool CreateQuadratic);
79 FaceQuadStruct::Ptr CheckNbEdges(SMESH_Mesh& aMesh,
80 const TopoDS_Shape& aShape);
84 bool CheckNbEdgesForEvaluate(SMESH_Mesh& aMesh,
85 const TopoDS_Shape & aShape,
86 MapShapeNbElems& aResMap,
87 std::vector<int>& aNbNodes,
90 bool SetNormalizedGrid(SMESH_Mesh& aMesh,
91 const TopoDS_Shape& aShape,
92 FaceQuadStruct::Ptr& quad);
94 void SplitQuad(SMESHDS_Mesh *theMeshDS,
96 const SMDS_MeshNode* theNode1,
97 const SMDS_MeshNode* theNode2,
98 const SMDS_MeshNode* theNode3,
99 const SMDS_MeshNode* theNode4);
101 bool ComputeQuadPref(SMESH_Mesh& aMesh,
102 const TopoDS_Shape& aShape,
103 FaceQuadStruct::Ptr quad);
105 bool EvaluateQuadPref(SMESH_Mesh& aMesh,
106 const TopoDS_Shape& aShape,
107 std::vector<int>& aNbNodes,
108 MapShapeNbElems& aResMap,
111 bool ComputeReduced (SMESH_Mesh& aMesh,
112 const TopoDS_Shape& aShape,
113 FaceQuadStruct::Ptr quad);
115 void UpdateDegenUV(FaceQuadStruct::Ptr quad);
117 void Smooth (FaceQuadStruct::Ptr quad);
120 // true if QuadranglePreference hypothesis is assigned that forces
121 // construction of quadrangles if the number of nodes on opposite edges
122 // is not the same in the case where the global number of nodes on edges
124 bool myQuadranglePreference;
126 bool myTrianglePreference;
132 StdMeshers_QuadType myQuadType;
134 SMESH_MesherHelper* myHelper; // tool for working with quadratic elements
136 SMESH_ProxyMesh::Ptr myProxyMesh;
138 FaceQuadStruct::Ptr myQuadStruct;