src/StdMeshers/StdMeshers_Quadrangle_2D.hxx

   1 //  SMESH SMESH : implementaion of SMESH idl descriptions
   2 //
   3 //  Copyright (C) 2003  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 //
  24 //  File   : StdMeshers_Quadrangle_2D.hxx
  25 //           Moved here from SMESH_Quadrangle_2D.hxx
  26 //  Author : Paul RASCLE, EDF
  27 //  Module : SMESH
  28 //  $Header$
  29
  30 #ifndef _SMESH_QUADRANGLE_2D_HXX_
  31 #define _SMESH_QUADRANGLE_2D_HXX_
  32
  33 #include "SMESH_StdMeshers.hxx"
  34
  35 #include "SMESH_2D_Algo.hxx"
  36 #include "Utils_SALOME_Exception.hxx"
  37
  38 class SMESH_Mesh;
  39 class SMESH_MesherHelper;
  40 class StdMeshers_FaceSide;
  41 struct uvPtStruct;
  42
  43 //class SMDS_MeshNode;
  44
  45 enum TSideID { BOTTOM_SIDE=0, RIGHT_SIDE, TOP_SIDE, LEFT_SIDE, NB_SIDES };
  46
  47 typedef uvPtStruct UVPtStruct;
  48 typedef struct faceQuadStruct
  49 {
  50   //int nbPts[4];
  51   //TopoDS_Edge edge[4];
  52   vector< StdMeshers_FaceSide*> side;
  53   //double first[4];
  54   //double last[4];
  55   //bool isEdgeForward[4];
  56   bool isEdgeOut[4]; // true, if an edge has more nodes, than the opposite
  57   //UVPtStruct* uv_edges[4];
  58   UVPtStruct* uv_grid;
  59   ~faceQuadStruct();
  60 } FaceQuadStruct;
  61
  62 class STDMESHERS_EXPORT StdMeshers_Quadrangle_2D: public SMESH_2D_Algo
  63 {
  64 public:
  65   StdMeshers_Quadrangle_2D(int hypId, int studyId, SMESH_Gen* gen);
  66   virtual ~StdMeshers_Quadrangle_2D();
  67
  68   virtual bool CheckHypothesis(SMESH_Mesh& aMesh,
  69                                const TopoDS_Shape& aShape,
  70                                SMESH_Hypothesis::Hypothesis_Status& aStatus);
  71
  72   virtual bool Compute(SMESH_Mesh& aMesh,
  73                        const TopoDS_Shape& aShape)
  74     throw (SALOME_Exception);
  75
  76   FaceQuadStruct* CheckAnd2Dcompute(SMESH_Mesh& aMesh,
  77                                     const TopoDS_Shape& aShape,
  78                                     const bool CreateQuadratic)
  79     throw (SALOME_Exception);
  80
  81 protected:
  82
  83   FaceQuadStruct* CheckNbEdges(SMESH_Mesh& aMesh,
  84                                const TopoDS_Shape& aShape)
  85     throw (SALOME_Exception);
  86
  87   bool SetNormalizedGrid(SMESH_Mesh& aMesh,
  88                          const TopoDS_Shape& aShape,
  89                          FaceQuadStruct*& quad)
  90     throw (SALOME_Exception);
  91
  92   /**
  93    * Special function for creation only quandrangle faces
  94    */
  95   bool ComputeQuadPref(SMESH_Mesh& aMesh,
  96                        const TopoDS_Shape& aShape,
  97                        FaceQuadStruct* quad)
  98     throw (SALOME_Exception);
  99
 100   UVPtStruct* LoadEdgePoints2(SMESH_Mesh& aMesh,
 101                               const TopoDS_Face& F, const TopoDS_Edge& E,
 102                               bool IsReverse);
 103
 104   UVPtStruct* LoadEdgePoints(SMESH_Mesh& aMesh,
 105                              const TopoDS_Face& F, const TopoDS_Edge& E,
 106                              double first, double last);
 107
 108   UVPtStruct* MakeEdgePoints(SMESH_Mesh& aMesh,
 109                              const TopoDS_Face& F, const TopoDS_Edge& E,
 110                              double first, double last, int nb_segm);
 111
 112   // true if QuadranglePreference hypothesis is assigned that forces
 113   // construction of quadrangles if the number of nodes on opposite edges
 114   // is not the same in the case where the global number of nodes on edges is even
 115   bool myQuadranglePreference;
 116
 117   SMESH_MesherHelper* myTool; // tool for working with quadratic elements
 118 };
 119
 120 #endif