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StdMeshers_Hexa_3D.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 //
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.
10 //
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.
15 //
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
19 //
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
21 //
22 // SMESH SMESH : implementaion of SMESH idl descriptions
23 // File : StdMeshers_Hexa_3D.hxx
24 // Moved here from SMESH_Hexa_3D.hxx
25 // Author : Paul RASCLE, EDF
26 // Module : SMESH
27 //
28 #ifndef _SMESH_HEXA_3D_HXX_
29 #define _SMESH_HEXA_3D_HXX_
30 
31 #include "SMESH_StdMeshers.hxx"
32 
33 #include "SMESH_3D_Algo.hxx"
34 #include "SMESH_Mesh.hxx"
36 #include "SMESH_Exception.hxx"
37 
38 #include "SMESH_MesherHelper.hxx"
39 
40 class TopTools_IndexedMapOfShape;
41 
42 typedef struct point3Dstruct
43 {
46 
47 typedef double Pt3[3];
48 
49 typedef struct conv2dstruct
50 {
51  double a1; // X = a1*x + b1*y + c1
52  double b1; // Y = a2*x + b2*y + c2
53  double c1; // a1, b1 a2, b2 in {-1,0,1}
54  double a2; // c1, c2 in {0,1}
55  double b2;
56  double c2;
57  int ia; // I = ia*i + ib*j + ic
58  int ib;
59  int ic;
60  int ja; // J = ja*i + jb*j + jc
61  int jb;
62  int jc;
63 } Conv2DStruct;
64 
66  public SMESH_3D_Algo
67 {
68 public:
69  StdMeshers_Hexa_3D(int hypId, int studyId, SMESH_Gen* gen);
70  virtual ~StdMeshers_Hexa_3D();
71 
72  virtual bool CheckHypothesis(SMESH_Mesh& aMesh,
73  const TopoDS_Shape& aShape,
75 
76  virtual bool Compute(SMESH_Mesh& aMesh,
77  const TopoDS_Shape& aShape)
78  /*throw (SMESH_Exception)*/;
79 
80  static TopoDS_Vertex OppositeVertex(const TopoDS_Vertex& aVertex,
81  const TopTools_IndexedMapOfShape& aQuads0Vertices,
82  FaceQuadStruct* aQuads[6]);
83 
84 protected:
85  TopoDS_Edge
86  EdgeNotInFace(SMESH_Mesh& aMesh,
87  const TopoDS_Shape& aShape,
88  const TopoDS_Face& aFace,
89  const TopoDS_Vertex& aVertex,
90  const TopTools_IndexedDataMapOfShapeListOfShape& MS);
91 
92  int GetFaceIndex(SMESH_Mesh& aMesh,
93  const TopoDS_Shape& aShape,
94  const std::vector<SMESH_subMesh*>& meshFaces,
95  const TopoDS_Vertex& V0,
96  const TopoDS_Vertex& V1,
97  const TopoDS_Vertex& V2,
98  const TopoDS_Vertex& V3);
99 
100  void GetConv2DCoefs(const faceQuadStruct& quad,
101  const TopoDS_Shape& aShape,
102  const TopoDS_Vertex& V0,
103  const TopoDS_Vertex& V1,
104  const TopoDS_Vertex& V2,
105  const TopoDS_Vertex& V3,
106  Conv2DStruct& conv);
107 
108  void GetPoint(Pt3 p,
109  int i, int j, int k,
110  int nbx, int nby, int nbz,
111  Point3DStruct *np,
112  const SMESHDS_Mesh* meshDS);
113 
114  bool ClearAndReturn(FaceQuadStruct* theQuads[6], const bool res);
115 };
116 
117 #endif
double Pt3[3]
virtual bool CheckHypothesis(SMESH_Mesh &aMesh, const TopoDS_Shape &aShape, SMESH_Hypothesis::Hypothesis_Status &aStatus)=0
Check hypothesis definition to mesh a shape.
struct point3Dstruct Point3DStruct
#define STDMESHERS_EXPORT
virtual bool Compute(SMESH_Mesh &aMesh, const TopoDS_Shape &aShape)=0
Computes mesh on a shape.
struct conv2dstruct Conv2DStruct
const SMDS_MeshNode * node