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StdMeshers_Quadrangle_2D.hxx
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1 // Copyright (C) 2007-2008 CEA/DEN, EDF R&D, OPEN CASCADE
2 //
3 // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
5 //
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7 // modify it under the terms of the GNU Lesser General Public
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22 // SMESH SMESH : implementaion of SMESH idl descriptions
23 // File : StdMeshers_Quadrangle_2D.hxx
24 // Moved here from SMESH_Quadrangle_2D.hxx
25 // Author : Paul RASCLE, EDF
26 // Module : SMESH
27 // $Header: /home/server/cvs/SMESH/SMESH_SRC/src/StdMeshers/StdMeshers_Quadrangle_2D.hxx,v 1.12.2.4 2008/11/27 13:03:50 abd Exp $
28 //
29 #ifndef _SMESH_QUADRANGLE_2D_HXX_
30 #define _SMESH_QUADRANGLE_2D_HXX_
31 
32 #include "SMESH_StdMeshers.hxx"
33 
34 #include "SMESH_2D_Algo.hxx"
35 #include "SMESH_Exception.hxx"
36 
37 class SMESH_Mesh;
38 class SMESH_MesherHelper;
40 class SMDS_MeshNode;
41 struct uvPtStruct;
42 
44 
46 typedef struct faceQuadStruct
47 {
48  std::vector< StdMeshers_FaceSide*> side;
49  bool isEdgeOut[4]; // true, if an edge has more nodes, than the opposite
53 
55 {
56 public:
57  StdMeshers_Quadrangle_2D(int hypId, int studyId, SMESH_Gen* gen);
58  virtual ~StdMeshers_Quadrangle_2D();
59 
60  virtual bool CheckHypothesis(SMESH_Mesh& aMesh,
61  const TopoDS_Shape& aShape,
63 
64  virtual bool Compute(SMESH_Mesh& aMesh,
65  const TopoDS_Shape& aShape);
66 
67  FaceQuadStruct* CheckAnd2Dcompute(SMESH_Mesh& aMesh,
68  const TopoDS_Shape& aShape,
69  const bool CreateQuadratic);
70 
71 protected:
72 
73  FaceQuadStruct* CheckNbEdges(SMESH_Mesh& aMesh,
74  const TopoDS_Shape& aShape);
75 
76  bool SetNormalizedGrid(SMESH_Mesh& aMesh,
77  const TopoDS_Shape& aShape,
78  FaceQuadStruct*& quad);
79 
80  void SplitQuad(SMESHDS_Mesh *theMeshDS,
81  const int theFaceID,
82  const SMDS_MeshNode* theNode1,
83  const SMDS_MeshNode* theNode2,
84  const SMDS_MeshNode* theNode3,
85  const SMDS_MeshNode* theNode4);
86 
90  bool ComputeQuadPref(SMESH_Mesh& aMesh,
91  const TopoDS_Shape& aShape,
92  FaceQuadStruct* quad);
93 
94  UVPtStruct* LoadEdgePoints2(SMESH_Mesh& aMesh,
95  const TopoDS_Face& F, const TopoDS_Edge& E,
96  bool IsReverse);
97 
98  UVPtStruct* LoadEdgePoints(SMESH_Mesh& aMesh,
99  const TopoDS_Face& F, const TopoDS_Edge& E,
100  double first, double last);
101 
102  UVPtStruct* MakeEdgePoints(SMESH_Mesh& aMesh,
103  const TopoDS_Face& F, const TopoDS_Edge& E,
104  double first, double last, int nb_segm);
105 
106  // true if QuadranglePreference hypothesis is assigned that forces
107  // construction of quadrangles if the number of nodes on opposite edges
108  // is not the same in the case where the global number of nodes on edges is even
110 
112 
113 
114  SMESH_MesherHelper* myTool; // tool for working with quadratic elements
115 };
116 
117 #endif
virtual bool CheckHypothesis(SMESH_Mesh &aMesh, const TopoDS_Shape &aShape, SMESH_Hypothesis::Hypothesis_Status &aStatus)=0
Check hypothesis definition to mesh a shape.
std::vector< StdMeshers_FaceSide * > side
#define STDMESHERS_EXPORT
virtual bool Compute(SMESH_Mesh &aMesh, const TopoDS_Shape &aShape)=0
Computes mesh on a shape.
uvPtStruct UVPtStruct
struct faceQuadStruct FaceQuadStruct
Represents a side of a quasi quadrilateral face. It can be composed of several edges. Gives access to geometry and 1D mesh of a side.