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 Hypothesis_Status& aStatus);
69 virtual bool Compute(SMESH_Mesh& aMesh,
70 const TopoDS_Shape& aShape);
72 virtual bool Evaluate(SMESH_Mesh & aMesh,
73 const TopoDS_Shape & aShape,
74 MapShapeNbElems& aResMap);
76 FaceQuadStruct::Ptr CheckAnd2Dcompute(SMESH_Mesh& aMesh,
77 const TopoDS_Shape& aShape,
78 const bool CreateQuadratic);
80 FaceQuadStruct::Ptr CheckNbEdges(SMESH_Mesh& aMesh,
81 const TopoDS_Shape& aShape,
82 const bool considerMesh=false);
86 bool checkNbEdgesForEvaluate(SMESH_Mesh& aMesh,
87 const TopoDS_Shape & aShape,
88 MapShapeNbElems& aResMap,
89 std::vector<int>& aNbNodes,
92 bool setNormalizedGrid(SMESH_Mesh& aMesh,
93 const TopoDS_Face& aFace,
94 FaceQuadStruct::Ptr& quad);
96 void splitQuad(SMESHDS_Mesh *theMeshDS,
98 const SMDS_MeshNode* theNode1,
99 const SMDS_MeshNode* theNode2,
100 const SMDS_MeshNode* theNode3,
101 const SMDS_MeshNode* theNode4);
103 bool computeQuadDominant(SMESH_Mesh& aMesh,
104 const TopoDS_Face& aFace,
105 FaceQuadStruct::Ptr quad);
107 bool computeQuadPref(SMESH_Mesh& aMesh,
108 const TopoDS_Face& aFace,
109 FaceQuadStruct::Ptr quad);
111 bool evaluateQuadPref(SMESH_Mesh& aMesh,
112 const TopoDS_Shape& aShape,
113 std::vector<int>& aNbNodes,
114 MapShapeNbElems& aResMap,
117 bool computeReduced (SMESH_Mesh& aMesh,
118 const TopoDS_Face& aFace,
119 FaceQuadStruct::Ptr quad);
121 void updateDegenUV(FaceQuadStruct::Ptr quad);
123 void smooth (FaceQuadStruct::Ptr quad);
125 int getCorners(const TopoDS_Face& theFace,
126 SMESH_Mesh & theMesh,
127 std::list<TopoDS_Edge>& theWire,
128 std::vector<TopoDS_Vertex>& theVertices,
129 int & theNbDegenEdges,
130 const bool considerMesh);
133 // true if QuadranglePreference hypothesis is assigned that forces
134 // construction of quadrangles if the number of nodes on opposite edges
135 // is not the same in the case where the global number of nodes on edges
137 bool myQuadranglePreference;
138 bool myTrianglePreference;
142 StdMeshers_QuadType myQuadType;
143 SMESH_MesherHelper* myHelper; // tool for working with quadratic elements
144 SMESH_ProxyMesh::Ptr myProxyMesh;
145 FaceQuadStruct::Ptr myQuadStruct;