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_2D_Algo.hxx"
  34 #include "Utils_SALOME_Exception.hxx"
  35
  36 class SMESH_Mesh;
  37 class SMESH_MesherHelper;
  38 class StdMeshers_FaceSide;
  39 struct uvPtStruct;
  40
  41 //class SMDS_MeshNode;
  42
  43 enum TSideID { BOTTOM_SIDE=0, RIGHT_SIDE, TOP_SIDE, LEFT_SIDE, NB_SIDES };
  44
  45 typedef uvPtStruct UVPtStruct;
  46 typedef struct faceQuadStruct
  47 {
  48   //int nbPts[4];
  49   //TopoDS_Edge edge[4];
  50   vector< StdMeshers_FaceSide*> side;
  51   //double first[4];
  52   //double last[4];
  53   //bool isEdgeForward[4];
  54   bool isEdgeOut[4]; // true, if an edge has more nodes, than the opposite
  55   //UVPtStruct* uv_edges[4];
  56   UVPtStruct* uv_grid;
  57   ~faceQuadStruct();
  58 } FaceQuadStruct;
  59
  60 class StdMeshers_Quadrangle_2D: public SMESH_2D_Algo
  61 {
  62 public:
  63   StdMeshers_Quadrangle_2D(int hypId, int studyId, SMESH_Gen* gen);
  64   virtual ~StdMeshers_Quadrangle_2D();
  65
  66   virtual bool CheckHypothesis(SMESH_Mesh& aMesh,
  67                                const TopoDS_Shape& aShape,
  68                                SMESH_Hypothesis::Hypothesis_Status& aStatus);
  69
  70   virtual bool Compute(SMESH_Mesh& aMesh,
  71                        const TopoDS_Shape& aShape)
  72     throw (SALOME_Exception);
  73
  74   FaceQuadStruct* CheckAnd2Dcompute(SMESH_Mesh& aMesh,
  75                                     const TopoDS_Shape& aShape,
  76                                     const bool CreateQuadratic)
  77     throw (SALOME_Exception);
  78
  79 protected:
  80
  81   FaceQuadStruct* CheckNbEdges(SMESH_Mesh& aMesh,
  82                                const TopoDS_Shape& aShape)
  83     throw (SALOME_Exception);
  84
  85   bool SetNormalizedGrid(SMESH_Mesh& aMesh,
  86                          const TopoDS_Shape& aShape,
  87                          FaceQuadStruct*& quad)
  88     throw (SALOME_Exception);
  89
  90   /**
  91    * Special function for creation only quandrangle faces
  92    */
  93   bool ComputeQuadPref(SMESH_Mesh& aMesh,
  94                        const TopoDS_Shape& aShape,
  95                        FaceQuadStruct* quad)
  96     throw (SALOME_Exception);
  97
  98   UVPtStruct* LoadEdgePoints2(SMESH_Mesh& aMesh,
  99                               const TopoDS_Face& F, const TopoDS_Edge& E,
 100                               bool IsReverse);
 101
 102   UVPtStruct* LoadEdgePoints(SMESH_Mesh& aMesh,
 103                              const TopoDS_Face& F, const TopoDS_Edge& E,
 104                              double first, double last);
 105
 106   UVPtStruct* MakeEdgePoints(SMESH_Mesh& aMesh,
 107                              const TopoDS_Face& F, const TopoDS_Edge& E,
 108                              double first, double last, int nb_segm);
 109
 110   // true if QuadranglePreference hypothesis is assigned that forces
 111   // construction of quadrangles if the number of nodes on opposite edges
 112   // is not the same in the case where the global number of nodes on edges is even
 113   bool myQuadranglePreference;
 114
 115   SMESH_MesherHelper* myTool; // tool for working with quadratic elements
 116 };
 117
 118 #endif