src/StdMeshers/StdMeshers_Hexa_3D.hxx

   1 //  Copyright (C) 2007-2010  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
  23 //  SMESH SMESH : implementaion of SMESH idl descriptions
  24 //  File   : StdMeshers_Hexa_3D.hxx
  25 //           Moved here from SMESH_Hexa_3D.hxx
  26 //  Author : Paul RASCLE, EDF
  27 //  Module : SMESH
  28 //
  29 #ifndef _SMESH_HEXA_3D_HXX_
  30 #define _SMESH_HEXA_3D_HXX_
  31
  32 #include "SMESH_StdMeshers.hxx"
  33
  34 #include "SMESH_3D_Algo.hxx"
  35 #include "SMESH_Mesh.hxx"
  36 #include "StdMeshers_Quadrangle_2D.hxx"
  37 #include "Utils_SALOME_Exception.hxx"
  38
  39 #include "SMESH_MesherHelper.hxx"
  40
  41 class TopTools_IndexedMapOfShape;
  42
  43 typedef struct point3Dstruct
  44 {
  45   const SMDS_MeshNode * node;
  46 } Point3DStruct;
  47
  48 typedef double Pt3[3];
  49
  50 typedef struct conv2dstruct
  51 {
  52   double a1; // X = a1*x + b1*y + c1
  53   double b1; // Y = a2*x + b2*y + c2
  54   double c1; // a1, b1 a2, b2 in {-1,0,1}
  55   double a2; // c1, c2 in {0,1}
  56   double b2;
  57   double c2;
  58   int ia;    // I = ia*i + ib*j + ic
  59   int ib;
  60   int ic;
  61   int ja;    // J = ja*i + jb*j + jc
  62   int jb;
  63   int jc;
  64 } Conv2DStruct;
  65
  66 class STDMESHERS_EXPORT StdMeshers_Hexa_3D:
  67   public SMESH_3D_Algo
  68 {
  69 public:
  70   StdMeshers_Hexa_3D(int hypId, int studyId, SMESH_Gen* gen);
  71   virtual ~StdMeshers_Hexa_3D();
  72
  73   virtual bool CheckHypothesis(SMESH_Mesh& aMesh,
  74                                const TopoDS_Shape& aShape,
  75                                SMESH_Hypothesis::Hypothesis_Status& aStatus);
  76
  77   virtual bool Compute(SMESH_Mesh& aMesh,  const TopoDS_Shape& aShape);
  78
  79   virtual bool Compute(SMESH_Mesh & aMesh, SMESH_MesherHelper* aHelper);
  80
  81   virtual bool Evaluate(SMESH_Mesh & aMesh, const TopoDS_Shape & aShape,
  82                         MapShapeNbElems& aResMap);
  83
  84   static TopoDS_Vertex OppositeVertex(const TopoDS_Vertex& aVertex,
  85                                       const TopTools_IndexedMapOfShape& aQuads0Vertices,
  86                                       FaceQuadStruct* aQuads[6]);
  87
  88 protected:
  89   TopoDS_Edge
  90   EdgeNotInFace(SMESH_Mesh& aMesh,
  91                 const TopoDS_Shape& aShape,
  92                 const TopoDS_Face& aFace,
  93                 const TopoDS_Vertex& aVertex,
  94                 const TopTools_IndexedDataMapOfShapeListOfShape& MS);
  95
  96   int GetFaceIndex(SMESH_Mesh& aMesh,
  97                    const TopoDS_Shape& aShape,
  98                    const std::vector<SMESH_subMesh*>& meshFaces,
  99                    const TopoDS_Vertex& V0,
 100                    const TopoDS_Vertex& V1,
 101                    const TopoDS_Vertex& V2,
 102                    const TopoDS_Vertex& V3);
 103
 104   void GetConv2DCoefs(const faceQuadStruct& quad,
 105                       const TopoDS_Shape& aShape,
 106                       const TopoDS_Vertex& V0,
 107                       const TopoDS_Vertex& V1,
 108                       const TopoDS_Vertex& V2,
 109                       const TopoDS_Vertex& V3,
 110                       Conv2DStruct& conv);
 111
 112   void GetPoint(Pt3 p,
 113                 int i, int j, int k,
 114                 int nbx, int nby, int nbz,
 115                 Point3DStruct *np,
 116                 const SMESHDS_Mesh* meshDS);
 117
 118   bool ClearAndReturn(FaceQuadStruct* theQuads[6], const bool res);
 119 };
 120
 121 #endif