src/medtool/src/INTERP_KERNEL/CellModel.cxx

   1 // Copyright (C) 2007-2015  CEA/DEN, EDF R&D
   2 //
   3 // This library is free software; you can redistribute it and/or
   4 // modify it under the terms of the GNU Lesser General Public
   5 // License as published by the Free Software Foundation; either
   6 // version 2.1 of the License, or (at your option) any later version.
   7 //
   8 // This library is distributed in the hope that it will be useful,
   9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11 // Lesser General Public License for more details.
  12 //
  13 // You should have received a copy of the GNU Lesser General Public
  14 // License along with this library; if not, write to the Free Software
  15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  16 //
  17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  18 //
  19 // Author : Anthony Geay (CEA/DEN)
  20
  21 #include "CellModel.hxx"
  22
  23 #include "InterpKernelException.hxx"
  24 #include "DiameterCalculator.hxx"
  25
  26 #include <algorithm>
  27 #include <sstream>
  28 #include <vector>
  29 #include <limits>
  30
  31 namespace INTERP_KERNEL
  32 {
  33   const char *CellModel::CELL_TYPES_REPR[]={"NORM_POINT1", "NORM_SEG2", "NORM_SEG3", "NORM_TRI3", "NORM_QUAD4",// 0->4
  34                                             "NORM_POLYGON", "NORM_TRI6", "NORM_TRI7" , "NORM_QUAD8", "NORM_QUAD9",//5->9
  35                                             "NORM_SEG4", "", "", "", "NORM_TETRA4",//10->14
  36                                             "NORM_PYRA5", "NORM_PENTA6", "", "NORM_HEXA8", "",//15->19
  37                                             "NORM_TETRA10", "", "NORM_HEXGP12", "NORM_PYRA13", "",//20->24
  38                                             "NORM_PENTA15", "", "NORM_HEXA27", "", "",//25->29
  39                                             "NORM_HEXA20", "NORM_POLYHED", "NORM_QPOLYG", "NORM_POLYL", "",//30->34
  40                                             "", "", "", "", "",//35->39
  41                                             "NORM_ERROR"};
  42
  43   std::map<NormalizedCellType,CellModel> CellModel::_map_of_unique_instance;
  44
  45   const CellModel& CellModel::GetCellModel(NormalizedCellType type)
  46   {
  47     if(_map_of_unique_instance.empty())
  48       buildUniqueInstance();
  49     const std::map<NormalizedCellType,CellModel>::iterator iter=_map_of_unique_instance.find(type);
  50     if(iter==_map_of_unique_instance.end())
  51       {
  52         std::ostringstream stream; stream << "no cellmodel for normalized type " << type;
  53         throw Exception(stream.str().c_str());
  54       }
  55     return (*iter).second;
  56   }
  57
  58   const char *CellModel::getRepr() const
  59   {
  60     return CELL_TYPES_REPR[(int)_type];
  61   }
  62
  63   /*!
  64    * This method is compatible with all types including dynamic one.
  65    */
  66   bool CellModel::isCompatibleWith(NormalizedCellType type) const
  67   {
  68     if(_type==type)
  69       return true;
  70     const CellModel& other=GetCellModel(type);
  71     if(_dim!=other.getDimension())
  72       return false;
  73     bool b1=isQuadratic();
  74     bool b2=other.isQuadratic();
  75     if((b1 && !b2) || (!b1 && b2))
  76       return false;
  77     b1=isDynamic();
  78     b2=other.isDynamic();
  79     return b1 || b2;
  80   }
  81
  82   void CellModel::buildUniqueInstance()
  83   {
  84     _map_of_unique_instance.insert(std::make_pair(NORM_POINT1,CellModel(NORM_POINT1)));
  85     _map_of_unique_instance.insert(std::make_pair(NORM_SEG2,CellModel(NORM_SEG2)));
  86     _map_of_unique_instance.insert(std::make_pair(NORM_SEG3,CellModel(NORM_SEG3)));
  87     _map_of_unique_instance.insert(std::make_pair(NORM_SEG4,CellModel(NORM_SEG4)));
  88     _map_of_unique_instance.insert(std::make_pair(NORM_TRI3,CellModel(NORM_TRI3)));
  89     _map_of_unique_instance.insert(std::make_pair(NORM_QUAD4,CellModel(NORM_QUAD4)));
  90     _map_of_unique_instance.insert(std::make_pair(NORM_TRI6,CellModel(NORM_TRI6)));
  91     _map_of_unique_instance.insert(std::make_pair(NORM_TRI7,CellModel(NORM_TRI7)));
  92     _map_of_unique_instance.insert(std::make_pair(NORM_QUAD8,CellModel(NORM_QUAD8)));
  93     _map_of_unique_instance.insert(std::make_pair(NORM_QUAD9,CellModel(NORM_QUAD9)));
  94     _map_of_unique_instance.insert(std::make_pair(NORM_TETRA4,CellModel(NORM_TETRA4)));
  95     _map_of_unique_instance.insert(std::make_pair(NORM_HEXA8,CellModel(NORM_HEXA8)));
  96     _map_of_unique_instance.insert(std::make_pair(NORM_PYRA5,CellModel(NORM_PYRA5)));
  97     _map_of_unique_instance.insert(std::make_pair(NORM_PENTA6,CellModel(NORM_PENTA6)));
  98     _map_of_unique_instance.insert(std::make_pair(NORM_TETRA10,CellModel(NORM_TETRA10)));
  99     _map_of_unique_instance.insert(std::make_pair(NORM_HEXGP12,CellModel(NORM_HEXGP12)));
 100     _map_of_unique_instance.insert(std::make_pair(NORM_PYRA13,CellModel(NORM_PYRA13)));
 101     _map_of_unique_instance.insert(std::make_pair(NORM_PENTA15,CellModel(NORM_PENTA15)));
 102     _map_of_unique_instance.insert(std::make_pair(NORM_HEXA20,CellModel(NORM_HEXA20)));
 103     _map_of_unique_instance.insert(std::make_pair(NORM_HEXA27,CellModel(NORM_HEXA27)));
 104     _map_of_unique_instance.insert(std::make_pair(NORM_POLYGON,CellModel(NORM_POLYGON)));
 105     _map_of_unique_instance.insert(std::make_pair(NORM_POLYHED,CellModel(NORM_POLYHED)));
 106     _map_of_unique_instance.insert(std::make_pair(NORM_QPOLYG,CellModel(NORM_QPOLYG)));
 107     _map_of_unique_instance.insert(std::make_pair(NORM_POLYL,CellModel(NORM_POLYL)));
 108     _map_of_unique_instance.insert(std::make_pair(NORM_ERROR,CellModel(NORM_ERROR)));
 109   }
 110
 111   CellModel::CellModel(NormalizedCellType type):_type(type)
 112   {
 113     _is_extruded=false;
 114     _quadratic=false;
 115     _dyn=false;
 116     _extruded_type=NORM_ERROR;
 117     _reverse_extruded_type=NORM_ERROR;
 118     _linear_type=NORM_ERROR;
 119     _quadratic_type=NORM_ERROR;
 120     _quadratic_type2=NORM_ERROR;
 121     _nb_of_little_sons=std::numeric_limits<unsigned>::max();
 122     switch(type)
 123       {
 124       case NORM_POINT1:
 125         {
 126           _nb_of_pts=1; _nb_of_sons=0; _dim=0; _extruded_type=NORM_SEG2; _is_simplex=true;
 127         }
 128         break;
 129       case NORM_SEG2:
 130         {
 131           _nb_of_pts=2; _nb_of_sons=2; _dim=1; _extruded_type=NORM_QUAD4; _quadratic_type=NORM_SEG3; _quadratic_type2=NORM_SEG3; _is_simplex=true; _is_extruded=true; _reverse_extruded_type=NORM_POINT1;
 132           _sons_type[0]=NORM_POINT1; _sons_type[1]=NORM_POINT1;
 133           _sons_con[0][0]=0; _nb_of_sons_con[0]=1;
 134           _sons_con[1][0]=1; _nb_of_sons_con[1]=1;
 135         }
 136         break;
 137       case NORM_SEG3:
 138         {
 139           _nb_of_pts=3; _nb_of_sons=3; _dim=1; _extruded_type=NORM_QUAD8; _linear_type=NORM_SEG2; _quadratic=true; _is_simplex=false;
 140           _sons_type[0]=NORM_POINT1; _sons_type[1]=NORM_POINT1; _sons_type[2]=NORM_POINT1;
 141           _sons_con[0][0]=0; _nb_of_sons_con[0]=1;
 142           _sons_con[1][0]=1; _nb_of_sons_con[1]=1;
 143           _sons_con[2][0]=2; _nb_of_sons_con[2]=1;
 144         }
 145         break;
 146       case NORM_SEG4:
 147         {
 148           _nb_of_pts=4; _nb_of_sons=4; _dim=1; _linear_type=NORM_SEG2; _quadratic=true; _is_simplex=false; // no _extruded_type because no cubic 2D cell
 149           _sons_type[0]=NORM_POINT1; _sons_type[1]=NORM_POINT1; _sons_type[2]=NORM_POINT1; _sons_type[3]=NORM_POINT1;
 150           _sons_con[0][0]=0; _nb_of_sons_con[0]=1;
 151           _sons_con[1][0]=1; _nb_of_sons_con[1]=1;
 152           _sons_con[2][0]=2; _nb_of_sons_con[2]=1;
 153           _sons_con[3][0]=3; _nb_of_sons_con[3]=1;
 154         }
 155         break;
 156       case NORM_TETRA4:
 157         {
 158           _nb_of_pts=4; _nb_of_sons=4; _dim=3; _quadratic_type=NORM_TETRA10; _is_simplex=true;
 159           _sons_type[0]=NORM_TRI3; _sons_type[1]=NORM_TRI3; _sons_type[2]=NORM_TRI3; _sons_type[3]=NORM_TRI3;
 160           _sons_con[0][0]=0; _sons_con[0][1]=1; _sons_con[0][2]=2; _nb_of_sons_con[0]=3;
 161           _sons_con[1][0]=0; _sons_con[1][1]=3; _sons_con[1][2]=1; _nb_of_sons_con[1]=3;
 162           _sons_con[2][0]=1; _sons_con[2][1]=3; _sons_con[2][2]=2; _nb_of_sons_con[2]=3;
 163           _sons_con[3][0]=2; _sons_con[3][1]=3; _sons_con[3][2]=0; _nb_of_sons_con[3]=3;
 164           _little_sons_con[0][0]=0; _little_sons_con[0][1]=1;  _nb_of_little_sons=6;
 165           _little_sons_con[1][0]=1; _little_sons_con[1][1]=2;
 166           _little_sons_con[2][0]=2; _little_sons_con[2][1]=0;
 167           _little_sons_con[3][0]=0; _little_sons_con[3][1]=3;
 168           _little_sons_con[4][0]=1; _little_sons_con[4][1]=3;
 169           _little_sons_con[5][0]=2; _little_sons_con[5][1]=3;
 170         }
 171         break;
 172       case NORM_HEXA8:
 173         {
 174           _nb_of_pts=8; _nb_of_sons=6; _dim=3; _quadratic_type=NORM_HEXA20; _quadratic_type2=NORM_HEXA27; _is_simplex=false; _is_extruded=true; _reverse_extruded_type=NORM_QUAD4;
 175           _sons_type[0]=NORM_QUAD4; _sons_type[1]=NORM_QUAD4; _sons_type[2]=NORM_QUAD4; _sons_type[3]=NORM_QUAD4; _sons_type[4]=NORM_QUAD4; _sons_type[5]=NORM_QUAD4;
 176           _sons_con[0][0]=0; _sons_con[0][1]=1; _sons_con[0][2]=2; _sons_con[0][3]=3; _nb_of_sons_con[0]=4;
 177           _sons_con[1][0]=4; _sons_con[1][1]=7; _sons_con[1][2]=6; _sons_con[1][3]=5; _nb_of_sons_con[1]=4;
 178           _sons_con[2][0]=0; _sons_con[2][1]=4; _sons_con[2][2]=5; _sons_con[2][3]=1; _nb_of_sons_con[2]=4;
 179           _sons_con[3][0]=1; _sons_con[3][1]=5; _sons_con[3][2]=6; _sons_con[3][3]=2; _nb_of_sons_con[3]=4;
 180           _sons_con[4][0]=2; _sons_con[4][1]=6; _sons_con[4][2]=7; _sons_con[4][3]=3; _nb_of_sons_con[4]=4;
 181           _sons_con[5][0]=3; _sons_con[5][1]=7; _sons_con[5][2]=4; _sons_con[5][3]=0; _nb_of_sons_con[5]=4;
 182           _little_sons_con[0][0]=0; _little_sons_con[0][1]=1;  _nb_of_little_sons=12;
 183           _little_sons_con[1][0]=1; _little_sons_con[1][1]=2;
 184           _little_sons_con[2][0]=2; _little_sons_con[2][1]=3;
 185           _little_sons_con[3][0]=3; _little_sons_con[3][1]=0;
 186           _little_sons_con[4][0]=4; _little_sons_con[4][1]=5;
 187           _little_sons_con[5][0]=5; _little_sons_con[5][1]=6;
 188           _little_sons_con[6][0]=6; _little_sons_con[6][1]=7;
 189           _little_sons_con[7][0]=7; _little_sons_con[7][1]=4;
 190           _little_sons_con[8][0]=0; _little_sons_con[8][1]=4;
 191           _little_sons_con[9][0]=1; _little_sons_con[9][1]=5;
 192           _little_sons_con[10][0]=2; _little_sons_con[10][1]=6;
 193           _little_sons_con[11][0]=3; _little_sons_con[11][1]=7;
 194         }
 195         break;
 196       case NORM_QUAD4:
 197         {
 198           _nb_of_pts=4; _nb_of_sons=4; _dim=2; _quadratic_type=NORM_QUAD8; _quadratic_type2=NORM_QUAD9; _is_simplex=false; _is_extruded=true;
 199           _sons_type[0]=NORM_SEG2; _sons_type[1]=NORM_SEG2; _sons_type[2]=NORM_SEG2; _sons_type[3]=NORM_SEG2;
 200           _sons_con[0][0]=0; _sons_con[0][1]=1; _nb_of_sons_con[0]=2;
 201           _sons_con[1][0]=1; _sons_con[1][1]=2; _nb_of_sons_con[1]=2;
 202           _sons_con[2][0]=2; _sons_con[2][1]=3; _nb_of_sons_con[2]=2;
 203           _sons_con[3][0]=3; _sons_con[3][1]=0; _nb_of_sons_con[3]=2; _extruded_type=NORM_HEXA8;
 204         }
 205         break;
 206       case NORM_TRI3:
 207         {
 208           _nb_of_pts=3; _nb_of_sons=3; _dim=2; _quadratic_type=NORM_TRI6; _quadratic_type2=NORM_TRI7; _is_simplex=true;
 209           _sons_type[0]=NORM_SEG2; _sons_type[1]=NORM_SEG2; _sons_type[2]=NORM_SEG2;
 210           _sons_con[0][0]=0; _sons_con[0][1]=1; _nb_of_sons_con[0]=2;
 211           _sons_con[1][0]=1; _sons_con[1][1]=2; _nb_of_sons_con[1]=2;
 212           _sons_con[2][0]=2; _sons_con[2][1]=0; _nb_of_sons_con[2]=2; _extruded_type=NORM_PENTA6;
 213         }
 214         break;
 215       case NORM_TRI6:
 216         {
 217           _nb_of_pts=6; _nb_of_sons=3; _dim=2; _linear_type=NORM_TRI3; _is_simplex=false;
 218           _sons_type[0]=NORM_SEG3; _sons_type[1]=NORM_SEG3; _sons_type[2]=NORM_SEG3;
 219           _sons_con[0][0]=0; _sons_con[0][1]=1; _sons_con[0][2]=3; _nb_of_sons_con[0]=3;
 220           _sons_con[1][0]=1; _sons_con[1][1]=2; _sons_con[1][2]=4; _nb_of_sons_con[1]=3;
 221           _sons_con[2][0]=2; _sons_con[2][1]=0; _sons_con[2][2]=5; _nb_of_sons_con[2]=3; _quadratic=true; _extruded_type=NORM_PENTA15;
 222         }
 223         break;
 224       case NORM_TRI7:
 225         {
 226           _nb_of_pts=7; _nb_of_sons=3; _dim=2; _linear_type=NORM_TRI3; _is_simplex=false;
 227           _sons_type[0]=NORM_SEG3; _sons_type[1]=NORM_SEG3; _sons_type[2]=NORM_SEG3;
 228           _sons_con[0][0]=0; _sons_con[0][1]=1; _sons_con[0][2]=3; _nb_of_sons_con[0]=3;
 229           _sons_con[1][0]=1; _sons_con[1][1]=2; _sons_con[1][2]=4; _nb_of_sons_con[1]=3;
 230           _sons_con[2][0]=2; _sons_con[2][1]=0; _sons_con[2][2]=5; _nb_of_sons_con[2]=3; _quadratic=true; //no extruded type because no penta20
 231         }
 232         break;
 233       case NORM_QUAD8:
 234         {
 235           _nb_of_pts=8; _nb_of_sons=4; _dim=2; _linear_type=NORM_QUAD4; _is_simplex=false;
 236           _sons_type[0]=NORM_SEG3; _sons_type[1]=NORM_SEG3; _sons_type[2]=NORM_SEG3; _sons_type[3]=NORM_SEG3;
 237           _sons_con[0][0]=0; _sons_con[0][1]=1; _sons_con[0][2]=4; _nb_of_sons_con[0]=3;
 238           _sons_con[1][0]=1; _sons_con[1][1]=2; _sons_con[1][2]=5; _nb_of_sons_con[1]=3;
 239           _sons_con[2][0]=2; _sons_con[2][1]=3; _sons_con[2][2]=6; _nb_of_sons_con[2]=3;
 240           _sons_con[3][0]=3; _sons_con[3][1]=0; _sons_con[3][2]=7; _nb_of_sons_con[3]=3; _quadratic=true; _extruded_type=NORM_HEXA20;
 241         }
 242         break;
 243       case NORM_QUAD9:
 244         {
 245           _nb_of_pts=9; _nb_of_sons=4; _dim=2; _linear_type=NORM_QUAD4; _is_simplex=false;
 246           _sons_type[0]=NORM_SEG3; _sons_type[1]=NORM_SEG3; _sons_type[2]=NORM_SEG3; _sons_type[3]=NORM_SEG3;
 247           _sons_con[0][0]=0; _sons_con[0][1]=1; _sons_con[0][2]=4; _nb_of_sons_con[0]=3;
 248           _sons_con[1][0]=1; _sons_con[1][1]=2; _sons_con[1][2]=5; _nb_of_sons_con[1]=3;
 249           _sons_con[2][0]=2; _sons_con[2][1]=3; _sons_con[2][2]=6; _nb_of_sons_con[2]=3;
 250           _sons_con[3][0]=3; _sons_con[3][1]=0; _sons_con[3][2]=7; _nb_of_sons_con[3]=3; _quadratic=true; _extruded_type=NORM_HEXA27;
 251         }
 252         break;
 253       case NORM_PYRA5:
 254         {
 255           _nb_of_pts=5; _nb_of_sons=5; _dim=3; _quadratic_type=NORM_PYRA13; _is_simplex=false;
 256           _sons_type[0]=NORM_QUAD4; _sons_type[1]=NORM_TRI3; _sons_type[2]=NORM_TRI3; _sons_type[3]=NORM_TRI3; _sons_type[4]=NORM_TRI3;
 257           _sons_con[0][0]=0; _sons_con[0][1]=1; _sons_con[0][2]=2; _sons_con[0][3]=3; _nb_of_sons_con[0]=4;
 258           _sons_con[1][0]=0; _sons_con[1][1]=4; _sons_con[1][2]=1; _nb_of_sons_con[1]=3;
 259           _sons_con[2][0]=1; _sons_con[2][1]=4; _sons_con[2][2]=2; _nb_of_sons_con[2]=3;
 260           _sons_con[3][0]=2; _sons_con[3][1]=4; _sons_con[3][2]=3; _nb_of_sons_con[3]=3;
 261           _sons_con[4][0]=3; _sons_con[4][1]=4; _sons_con[4][2]=0; _nb_of_sons_con[4]=3;
 262           _little_sons_con[0][0]=0; _little_sons_con[0][1]=1;  _nb_of_little_sons=8;
 263           _little_sons_con[1][0]=1; _little_sons_con[1][1]=2;
 264           _little_sons_con[2][0]=2; _little_sons_con[2][1]=3;
 265           _little_sons_con[3][0]=3; _little_sons_con[3][1]=0;
 266           _little_sons_con[4][0]=0; _little_sons_con[4][1]=4;
 267           _little_sons_con[5][0]=1; _little_sons_con[5][1]=4;
 268           _little_sons_con[6][0]=2; _little_sons_con[6][1]=4;
 269           _little_sons_con[7][0]=3; _little_sons_con[7][1]=4;
 270         }
 271         break;
 272       case NORM_PENTA6:
 273         {
 274           _nb_of_pts=6; _nb_of_sons=5; _dim=3; _quadratic_type=NORM_PENTA15; _is_simplex=false; _is_extruded=true; _reverse_extruded_type=NORM_TRI3;
 275           _sons_type[0]=NORM_TRI3; _sons_type[1]=NORM_TRI3; _sons_type[2]=NORM_QUAD4; _sons_type[3]=NORM_QUAD4; _sons_type[4]=NORM_QUAD4;
 276           _sons_con[0][0]=0; _sons_con[0][1]=1; _sons_con[0][2]=2; _nb_of_sons_con[0]=3;
 277           _sons_con[1][0]=3; _sons_con[1][1]=5; _sons_con[1][2]=4; _nb_of_sons_con[1]=3;
 278           _sons_con[2][0]=0; _sons_con[2][1]=3; _sons_con[2][2]=4; _sons_con[2][3]=1; _nb_of_sons_con[2]=4;
 279           _sons_con[3][0]=1; _sons_con[3][1]=4; _sons_con[3][2]=5; _sons_con[3][3]=2; _nb_of_sons_con[3]=4;
 280           _sons_con[4][0]=2; _sons_con[4][1]=5; _sons_con[4][2]=3; _sons_con[4][3]=0; _nb_of_sons_con[4]=4;
 281           _little_sons_con[0][0]=0; _little_sons_con[0][1]=1;  _nb_of_little_sons=9;
 282           _little_sons_con[1][0]=1; _little_sons_con[1][1]=2;
 283           _little_sons_con[2][0]=2; _little_sons_con[2][1]=0;
 284           _little_sons_con[3][0]=3; _little_sons_con[3][1]=4;
 285           _little_sons_con[4][0]=4; _little_sons_con[4][1]=5;
 286           _little_sons_con[5][0]=5; _little_sons_con[5][1]=3;
 287           _little_sons_con[6][0]=0; _little_sons_con[6][1]=3;
 288           _little_sons_con[7][0]=1; _little_sons_con[7][1]=4;
 289           _little_sons_con[8][0]=2; _little_sons_con[8][1]=5;
 290         }
 291         break;
 292       case NORM_TETRA10:
 293         {
 294           _nb_of_pts=10; _nb_of_sons=4; _dim=3; _linear_type=NORM_TETRA4; _is_simplex=false;
 295           _sons_type[0]=NORM_TRI6; _sons_type[1]=NORM_TRI6; _sons_type[2]=NORM_TRI6; _sons_type[3]=NORM_TRI6;
 296           _sons_con[0][0]=0; _sons_con[0][1]=1; _sons_con[0][2]=2; _sons_con[0][3]=4; _sons_con[0][4]=5; _sons_con[0][5]=6; _nb_of_sons_con[0]=6;
 297           _sons_con[1][0]=0; _sons_con[1][1]=3; _sons_con[1][2]=1; _sons_con[1][3]=7; _sons_con[1][4]=8; _sons_con[1][5]=4; _nb_of_sons_con[1]=6;
 298           _sons_con[2][0]=1; _sons_con[2][1]=3; _sons_con[2][2]=2; _sons_con[2][3]=8; _sons_con[2][4]=9; _sons_con[2][5]=5; _nb_of_sons_con[2]=6;
 299           _sons_con[3][0]=2; _sons_con[3][1]=3; _sons_con[3][2]=0; _sons_con[3][3]=9; _sons_con[3][4]=7; _sons_con[3][5]=6; _nb_of_sons_con[3]=6;  _quadratic=true;
 300           _little_sons_con[0][0]=0; _little_sons_con[0][1]=1;  _little_sons_con[0][2]=4;  _nb_of_little_sons=6;
 301           _little_sons_con[1][0]=1; _little_sons_con[1][1]=2;  _little_sons_con[1][2]=5;
 302           _little_sons_con[2][0]=2; _little_sons_con[2][1]=0;  _little_sons_con[2][2]=6;
 303           _little_sons_con[3][0]=0; _little_sons_con[3][1]=3;  _little_sons_con[3][2]=7;
 304           _little_sons_con[4][0]=1; _little_sons_con[4][1]=3;  _little_sons_con[4][2]=8;
 305           _little_sons_con[5][0]=2; _little_sons_con[5][1]=3;  _little_sons_con[5][2]=9;
 306         }
 307         break;
 308       case NORM_HEXGP12:
 309         {
 310           _nb_of_pts=12; _nb_of_sons=8; _dim=3; _is_simplex=false; _is_extruded=true;
 311           _sons_type[0]=NORM_POLYGON; _sons_type[1]=NORM_POLYGON; _sons_type[2]=NORM_QUAD4; _sons_type[3]=NORM_QUAD4; _sons_type[4]=NORM_QUAD4; _sons_type[5]=NORM_QUAD4;
 312           _sons_type[6]=NORM_QUAD4; _sons_type[7]=NORM_QUAD4;
 313           _sons_con[0][0]=0; _sons_con[0][1]=1; _sons_con[0][2]=2; _sons_con[0][3]=3; _sons_con[0][4]=4; _sons_con[0][5]=5; _nb_of_sons_con[0]=6;
 314           _sons_con[1][0]=6; _sons_con[1][1]=11; _sons_con[1][2]=10; _sons_con[1][3]=9; _sons_con[1][4]=8; _sons_con[1][5]=7; _nb_of_sons_con[1]=6;
 315           _sons_con[2][0]=0; _sons_con[2][1]=6; _sons_con[2][2]=7; _sons_con[2][3]=1; _nb_of_sons_con[2]=4;
 316           _sons_con[3][0]=1; _sons_con[3][1]=7; _sons_con[3][2]=8; _sons_con[3][3]=2; _nb_of_sons_con[3]=4;
 317           _sons_con[4][0]=2; _sons_con[4][1]=8; _sons_con[4][2]=9; _sons_con[4][3]=3; _nb_of_sons_con[4]=4;
 318           _sons_con[5][0]=3; _sons_con[5][1]=9; _sons_con[5][2]=10; _sons_con[5][3]=4; _nb_of_sons_con[5]=4;
 319           _sons_con[6][0]=4; _sons_con[6][1]=10; _sons_con[6][2]=11; _sons_con[6][3]=5; _nb_of_sons_con[6]=4;
 320           _sons_con[7][0]=5; _sons_con[7][1]=11; _sons_con[7][2]=6; _sons_con[7][3]=0; _nb_of_sons_con[7]=4;
 321         }
 322         break;
 323       case NORM_PYRA13:
 324         {
 325           _nb_of_pts=13; _nb_of_sons=5; _dim=3; _linear_type=NORM_PYRA5; _is_simplex=false;
 326           _sons_type[0]=NORM_QUAD8; _sons_type[1]=NORM_TRI6; _sons_type[2]=NORM_TRI6; _sons_type[3]=NORM_TRI6; _sons_type[4]=NORM_TRI6;
 327           _sons_con[0][0]=0; _sons_con[0][1]=1; _sons_con[0][2]=2; _sons_con[0][3]=3; _sons_con[0][4]=5; _sons_con[0][5]=6; _sons_con[0][6]=7; _sons_con[0][7]=8; _nb_of_sons_con[0]=8;
 328           _sons_con[1][0]=0; _sons_con[1][1]=4; _sons_con[1][2]=1; _sons_con[1][3]=9; _sons_con[1][4]=10; _sons_con[1][5]=5; _nb_of_sons_con[1]=6;
 329           _sons_con[2][0]=1; _sons_con[2][1]=4; _sons_con[2][2]=2; _sons_con[2][3]=10; _sons_con[2][4]=11; _sons_con[2][5]=6; _nb_of_sons_con[2]=6;
 330           _sons_con[3][0]=2; _sons_con[3][1]=4; _sons_con[3][2]=3; _sons_con[3][3]=11; _sons_con[3][4]=12; _sons_con[3][5]=7;  _nb_of_sons_con[3]=6;
 331           _sons_con[4][0]=3; _sons_con[4][1]=4; _sons_con[4][2]=0; _sons_con[4][3]=12; _sons_con[4][4]=9; _sons_con[4][5]=8; _nb_of_sons_con[4]=6; _quadratic=true;
 332           _little_sons_con[0][0]=0; _little_sons_con[0][1]=1; _little_sons_con[0][2]=5;  _nb_of_little_sons=8;
 333           _little_sons_con[1][0]=1; _little_sons_con[1][1]=2; _little_sons_con[1][2]=6;
 334           _little_sons_con[2][0]=2; _little_sons_con[2][1]=3; _little_sons_con[2][2]=7;
 335           _little_sons_con[3][0]=3; _little_sons_con[3][1]=0; _little_sons_con[3][2]=8;
 336           _little_sons_con[4][0]=0; _little_sons_con[4][1]=4; _little_sons_con[4][2]=9;
 337           _little_sons_con[5][0]=1; _little_sons_con[5][1]=4; _little_sons_con[5][2]=10;
 338           _little_sons_con[6][0]=2; _little_sons_con[6][1]=4; _little_sons_con[6][2]=11;
 339           _little_sons_con[7][0]=3; _little_sons_con[7][1]=4; _little_sons_con[7][2]=12;
 340         }
 341         break;
 342       case NORM_PENTA15:
 343         {
 344           _nb_of_pts=15; _nb_of_sons=5; _dim=3; _linear_type=NORM_PENTA6; _is_simplex=false;
 345           _sons_type[0]=NORM_TRI6; _sons_type[1]=NORM_TRI6; _sons_type[2]=NORM_QUAD8; _sons_type[3]=NORM_QUAD8; _sons_type[4]=NORM_QUAD8;
 346           _sons_con[0][0]=0; _sons_con[0][1]=1; _sons_con[0][2]=2; _sons_con[0][3]=6; _sons_con[0][4]=7; _sons_con[0][5]=8; _nb_of_sons_con[0]=6;
 347           _sons_con[1][0]=3; _sons_con[1][1]=5; _sons_con[1][2]=4; _sons_con[1][3]=11; _sons_con[1][4]=10; _sons_con[1][5]=9; _nb_of_sons_con[1]=6;
 348           _sons_con[2][0]=0; _sons_con[2][1]=3; _sons_con[2][2]=4; _sons_con[2][3]=1; _sons_con[2][4]=12; _sons_con[2][5]=9; _sons_con[2][6]=13; _sons_con[2][7]=6; _nb_of_sons_con[2]=8;
 349           _sons_con[3][0]=1; _sons_con[3][1]=4; _sons_con[3][2]=5; _sons_con[3][3]=2; _sons_con[3][4]=13; _sons_con[3][5]=10; _sons_con[3][6]=14; _sons_con[3][7]=7; _nb_of_sons_con[3]=8;
 350           _sons_con[4][0]=2; _sons_con[4][1]=4; _sons_con[4][2]=5; _sons_con[4][3]=0; _sons_con[4][4]=14; _sons_con[4][5]=11; _sons_con[4][6]=12; _sons_con[4][7]=8; _nb_of_sons_con[4]=8; _quadratic=true;
 351           _little_sons_con[0][0]=0; _little_sons_con[0][1]=1; _little_sons_con[0][2]=6;  _nb_of_little_sons=9;
 352           _little_sons_con[1][0]=1; _little_sons_con[1][1]=2; _little_sons_con[1][2]=7;
 353           _little_sons_con[2][0]=2; _little_sons_con[2][1]=0; _little_sons_con[2][2]=8;
 354           _little_sons_con[3][0]=3; _little_sons_con[3][1]=4; _little_sons_con[3][2]=9;
 355           _little_sons_con[4][0]=4; _little_sons_con[4][1]=5; _little_sons_con[4][2]=10;
 356           _little_sons_con[5][0]=5; _little_sons_con[5][1]=3; _little_sons_con[5][2]=11;
 357           _little_sons_con[6][0]=0; _little_sons_con[6][1]=3; _little_sons_con[6][2]=12;
 358           _little_sons_con[7][0]=1; _little_sons_con[7][1]=4; _little_sons_con[7][2]=13;
 359           _little_sons_con[8][0]=2; _little_sons_con[8][1]=5; _little_sons_con[8][2]=14;
 360         }
 361         break;
 362       case NORM_HEXA20:
 363         {
 364           _nb_of_pts=20; _nb_of_sons=6; _dim=3; _linear_type=NORM_HEXA8; _is_simplex=false;
 365           _sons_type[0]=NORM_QUAD8; _sons_type[1]=NORM_QUAD8; _sons_type[2]=NORM_QUAD8; _sons_type[3]=NORM_QUAD8; _sons_type[4]=NORM_QUAD8; _sons_type[5]=NORM_QUAD8;
 366           _sons_con[0][0]=0; _sons_con[0][1]=1; _sons_con[0][2]=2; _sons_con[0][3]=3; _sons_con[0][4]=8; _sons_con[0][5]=9; _sons_con[0][6]=10; _sons_con[0][7]=11; _nb_of_sons_con[0]=8;
 367           _sons_con[1][0]=4; _sons_con[1][1]=7; _sons_con[1][2]=6; _sons_con[1][3]=5; _sons_con[1][4]=15; _sons_con[1][5]=14; _sons_con[1][6]=13; _sons_con[1][7]=12; _nb_of_sons_con[1]=8;
 368           _sons_con[2][0]=0; _sons_con[2][1]=4; _sons_con[2][2]=5; _sons_con[2][3]=1; _sons_con[2][4]=16; _sons_con[2][5]=12; _sons_con[2][6]=17; _sons_con[2][7]=8; _nb_of_sons_con[2]=8;
 369           _sons_con[3][0]=1; _sons_con[3][1]=5; _sons_con[3][2]=6; _sons_con[3][3]=2; _sons_con[3][4]=17; _sons_con[3][5]=13; _sons_con[3][6]=18; _sons_con[3][7]=9;_nb_of_sons_con[3]=8;
 370           _sons_con[4][0]=2; _sons_con[4][1]=6; _sons_con[4][2]=7; _sons_con[4][3]=3; _sons_con[4][4]=18; _sons_con[4][5]=14; _sons_con[4][6]=19; _sons_con[4][7]=10; _nb_of_sons_con[4]=8;
 371           _sons_con[5][0]=3; _sons_con[5][1]=7; _sons_con[5][2]=4; _sons_con[5][3]=0; _sons_con[5][4]=19; _sons_con[5][5]=15; _sons_con[5][6]=16; _sons_con[5][7]=11; _nb_of_sons_con[5]=8; _quadratic=true;
 372           _little_sons_con[0][0]=0; _little_sons_con[0][1]=1;  _little_sons_con[0][2]=8; _nb_of_little_sons=12;
 373           _little_sons_con[1][0]=1; _little_sons_con[1][1]=2;  _little_sons_con[1][2]=9;
 374           _little_sons_con[2][0]=2; _little_sons_con[2][1]=3;  _little_sons_con[2][2]=10;
 375           _little_sons_con[3][0]=3; _little_sons_con[3][1]=0;  _little_sons_con[3][2]=11;
 376           _little_sons_con[4][0]=4; _little_sons_con[4][1]=5;  _little_sons_con[4][2]=12;
 377           _little_sons_con[5][0]=5; _little_sons_con[5][1]=6;  _little_sons_con[5][2]=13;
 378           _little_sons_con[6][0]=6; _little_sons_con[6][1]=7;  _little_sons_con[6][2]=14;
 379           _little_sons_con[7][0]=7; _little_sons_con[7][1]=4;  _little_sons_con[7][2]=15;
 380           _little_sons_con[8][0]=0; _little_sons_con[8][1]=4;  _little_sons_con[8][2]=16;
 381           _little_sons_con[9][0]=1; _little_sons_con[9][1]=5;  _little_sons_con[9][2]=17;
 382           _little_sons_con[10][0]=2; _little_sons_con[10][1]=6;  _little_sons_con[10][2]=18;
 383           _little_sons_con[11][0]=3; _little_sons_con[11][1]=7;  _little_sons_con[11][2]=19;
 384         }
 385         break;
 386       case NORM_HEXA27:
 387         {
 388           _nb_of_pts=27; _nb_of_sons=6; _dim=3; _linear_type=NORM_HEXA8; _is_simplex=false;
 389           _sons_type[0]=NORM_QUAD9; _sons_type[1]=NORM_QUAD9; _sons_type[2]=NORM_QUAD9; _sons_type[3]=NORM_QUAD9; _sons_type[4]=NORM_QUAD9; _sons_type[5]=NORM_QUAD9;
 390           _sons_con[0][0]=0; _sons_con[0][1]=1; _sons_con[0][2]=2; _sons_con[0][3]=3; _sons_con[0][4]=8; _sons_con[0][5]=9; _sons_con[0][6]=10; _sons_con[0][7]=11; _sons_con[0][8]=20; _nb_of_sons_con[0]=9;
 391           _sons_con[1][0]=4; _sons_con[1][1]=7; _sons_con[1][2]=6; _sons_con[1][3]=5; _sons_con[1][4]=15; _sons_con[1][5]=14; _sons_con[1][6]=13; _sons_con[1][7]=12; _sons_con[1][8]=25; _nb_of_sons_con[1]=9;
 392           _sons_con[2][0]=0; _sons_con[2][1]=4; _sons_con[2][2]=5; _sons_con[2][3]=1; _sons_con[2][4]=16; _sons_con[2][5]=12; _sons_con[2][6]=17; _sons_con[2][7]=8; _sons_con[2][8]=21; _nb_of_sons_con[2]=9;
 393           _sons_con[3][0]=1; _sons_con[3][1]=5; _sons_con[3][2]=6; _sons_con[3][3]=2; _sons_con[3][4]=17; _sons_con[3][5]=13; _sons_con[3][6]=18; _sons_con[3][7]=9; _sons_con[3][8]=22; _nb_of_sons_con[3]=9;
 394           _sons_con[4][0]=2; _sons_con[4][1]=6; _sons_con[4][2]=7; _sons_con[4][3]=3; _sons_con[4][4]=18; _sons_con[4][5]=14; _sons_con[4][6]=19; _sons_con[4][7]=10; _sons_con[4][8]=23; _nb_of_sons_con[4]=9;
 395           _sons_con[5][0]=3; _sons_con[5][1]=7; _sons_con[5][2]=4; _sons_con[5][3]=0; _sons_con[5][4]=19; _sons_con[5][5]=15; _sons_con[5][6]=16; _sons_con[5][7]=11; _sons_con[5][8]=24; _nb_of_sons_con[5]=9;
 396           _quadratic=true;
 397         }
 398         break;
 399       case NORM_POLYGON:
 400         {
 401           _nb_of_pts=0; _nb_of_sons=0; _dim=2; _dyn=true; _extruded_type=NORM_POLYHED; _is_simplex=false; _quadratic_type=NORM_QPOLYG;
 402         }
 403         break;
 404       case NORM_POLYHED:
 405         {
 406           _nb_of_pts=0; _nb_of_sons=0; _dim=3; _dyn=true; _is_simplex=false;
 407         }
 408         break;
 409       case NORM_QPOLYG:
 410         {
 411           _nb_of_pts=0; _nb_of_sons=0; _dim=2; _dyn=true; _is_simplex=false; _quadratic=true; _linear_type=NORM_POLYGON;
 412         }
 413         break;
 414       case NORM_POLYL:
 415         {
 416           _nb_of_pts=0; _nb_of_sons=0; _dim=1; _dyn=true; _extruded_type=NORM_POLYGON; _is_simplex=false;
 417         }
 418         break;
 419       case NORM_ERROR:
 420         {
 421           _nb_of_pts=std::numeric_limits<unsigned>::max(); _nb_of_sons=std::numeric_limits<unsigned>::max(); _dim=std::numeric_limits<unsigned>::max();
 422         }
 423         break;
 424       }
 425   }
 426
 427   /*!
 428    * Equivalent to getNumberOfSons except that this method deals with dynamic type.
 429    */
 430   unsigned CellModel::getNumberOfSons2(const int *conn, int lgth) const
 431   {
 432     if(!isDynamic())
 433       return getNumberOfSons();
 434     if(_dim==2)
 435       {
 436         if(_type==NORM_POLYGON)
 437           return lgth;
 438         else
 439           return lgth/2;
 440       }
 441     else if(_dim==1)
 442       return lgth;//NORM_POLYL
 443     else
 444       return std::count(conn,conn+lgth,-1)+1;
 445   }
 446
 447   unsigned CellModel::getNumberOfEdgesIn3D(const int *conn, int lgth) const
 448   {
 449     if(!isDynamic())
 450       return _nb_of_little_sons;
 451     else//polyhedron
 452       return (lgth-std::count(conn,conn+lgth,-1))/2;
 453   }
 454
 455   NormalizedCellType CellModel::getCorrespondingPolyType() const
 456   {
 457     switch(getDimension())
 458       {
 459       case 0:
 460         return NORM_POINT1;
 461       case 1:
 462         {
 463           if(!isQuadratic())
 464             return NORM_POLYL;
 465           throw INTERP_KERNEL::Exception("CellModel::getPolyType : no poly type for quadratic 1D !");
 466         }
 467       case 2:
 468         {
 469           if(!isQuadratic())
 470             return NORM_POLYGON;
 471           else
 472             return NORM_QPOLYG;
 473         }
 474       case 3:
 475         {
 476           if(!isQuadratic())
 477             return NORM_POLYHED;
 478           throw INTERP_KERNEL::Exception("CellModel::getPolyType : no poly type for quadratic 3D !");
 479         }
 480       default:
 481         throw INTERP_KERNEL::Exception("CellModel::getPolyType : only dimension 0, 1, 2, 3 are supported !");
 482       }
 483   }
 484
 485   /*!
 486    * Equivalent to getSonType except that this method deals with dynamic type.
 487    */
 488   NormalizedCellType CellModel::getSonType2(unsigned sonId) const
 489   {
 490     if(!isDynamic())
 491       return getSonType(sonId);
 492     if(_dim==2)
 493       {
 494         if(_type==NORM_POLYGON)
 495           return NORM_SEG2;
 496         else
 497           return NORM_SEG3;
 498       }
 499     else if(_dim==1)
 500       return NORM_ERROR;//NORM_POLYL
 501     //polyedron
 502     return NORM_POLYGON;
 503   }
 504
 505   /*!
 506    * \b WARNING this method do not manage correctly types that return true at the call of isDynamic. Use fillSonCellNodalConnectivity2 instead.
 507    */
 508   unsigned CellModel::fillSonCellNodalConnectivity(int sonId, const int *nodalConn, int *sonNodalConn) const
 509   {
 510     unsigned nbOfTurnLoop=_nb_of_sons_con[sonId];
 511     const unsigned *sonConn=_sons_con[sonId];
 512     for(unsigned i=0;i<nbOfTurnLoop;i++)
 513       sonNodalConn[i]=nodalConn[sonConn[i]];
 514     return nbOfTurnLoop;
 515   }
 516
 517   unsigned CellModel::fillSonCellNodalConnectivity2(int sonId, const int *nodalConn, int lgth, int *sonNodalConn, NormalizedCellType& typeOfSon) const
 518   {
 519     typeOfSon=getSonType2(sonId);
 520     if(!isDynamic())
 521       return fillSonCellNodalConnectivity(sonId,nodalConn,sonNodalConn);
 522     else
 523       {
 524         if(_dim==2)//polygon
 525           {
 526             if(_type==NORM_POLYGON)
 527               {
 528                 sonNodalConn[0]=nodalConn[sonId];
 529                 sonNodalConn[1]=nodalConn[(sonId+1)%lgth];
 530                 return 2;
 531               }
 532             else
 533               {
 534                 sonNodalConn[0]=nodalConn[sonId];
 535                 sonNodalConn[1]=nodalConn[(sonId+1)%(lgth/2)];
 536                 sonNodalConn[2]=nodalConn[sonId+(lgth/2)];
 537                 return 3;
 538               }
 539           }
 540         else if(_dim==3)
 541           {//polyedron
 542             const int *where=nodalConn;
 543             for(int i=0;i<sonId;i++)
 544               {
 545                 where=std::find(where,nodalConn+lgth,-1);
 546                 where++;
 547               }
 548             const int *where2=std::find(where,nodalConn+lgth,-1);
 549             std::copy(where,where2,sonNodalConn);
 550             return where2-where;
 551           }
 552         else
 553           throw INTERP_KERNEL::Exception("CellModel::fillSonCellNodalConnectivity2 : no sons on NORM_POLYL !");
 554       }
 555   }
 556
 557   /*!
 558    * Equivalent to CellModel::fillSonCellNodalConnectivity2 except for HEXA8 where the order of sub faces is not has MED file numbering for transformation HEXA8->HEXA27
 559    */
 560   unsigned CellModel::fillSonCellNodalConnectivity4(int sonId, const int *nodalConn, int lgth, int *sonNodalConn, NormalizedCellType& typeOfSon) const
 561   {
 562     if(_type==NORM_HEXA8)
 563       {
 564         static const int permutation[6]={0,2,3,4,5,1};
 565         return fillSonCellNodalConnectivity2(permutation[sonId],nodalConn,lgth,sonNodalConn,typeOfSon);
 566       }
 567     else
 568       return fillSonCellNodalConnectivity2(sonId,nodalConn,lgth,sonNodalConn,typeOfSon);
 569   }
 570
 571   unsigned CellModel::fillSonEdgesNodalConnectivity3D(int sonId, const int *nodalConn, int lgth, int *sonNodalConn, NormalizedCellType& typeOfSon) const
 572   {
 573     if(!isDynamic())
 574       {
 575         if(!isQuadratic())
 576           {
 577             typeOfSon=NORM_SEG2;
 578             sonNodalConn[0]=nodalConn[_little_sons_con[sonId][0]];
 579             sonNodalConn[1]=nodalConn[_little_sons_con[sonId][1]];
 580             return 2;
 581           }
 582         else
 583           {
 584             typeOfSon=NORM_SEG3;
 585             sonNodalConn[0]=nodalConn[_little_sons_con[sonId][0]];
 586             sonNodalConn[1]=nodalConn[_little_sons_con[sonId][1]];
 587             sonNodalConn[2]=nodalConn[_little_sons_con[sonId][2]];
 588             return 3;
 589           }
 590       }
 591     else
 592       throw INTERP_KERNEL::Exception("CellModel::fillSonEdgesNodalConnectivity3D : not implemented yet for NORM_POLYHED !");
 593   }
 594
 595   void CellModel::changeOrientationOf2D(int *nodalConn, unsigned int sz) const
 596   {
 597     if(sz<1)
 598       return ;
 599     if(!isQuadratic())
 600       {
 601         std::vector<int> tmp(sz-1);
 602         std::copy(nodalConn+1,nodalConn+sz,tmp.rbegin());
 603         std::copy(tmp.begin(),tmp.end(),nodalConn+1);
 604       }
 605     else
 606       {
 607         unsigned int sz2(sz/2);
 608         std::vector<int> tmp0(sz2-1),tmp1(sz2);
 609         std::copy(nodalConn+1,nodalConn+sz2,tmp0.rbegin());
 610         std::copy(nodalConn+sz2,nodalConn+sz,tmp1.rbegin());
 611         std::copy(tmp0.begin(),tmp0.end(),nodalConn+1);
 612         std::copy(tmp1.begin(),tmp1.end(),nodalConn+sz2);
 613       }
 614   }
 615
 616   void CellModel::changeOrientationOf1D(int *nodalConn, unsigned int sz) const
 617   {
 618     if(!isDynamic())
 619       {
 620         if(sz==2 || sz==3)
 621           {
 622             std::swap(nodalConn[0],nodalConn[1]);
 623             return ;
 624           }
 625         else if(sz==4)
 626           {
 627             std::swap(nodalConn[0],nodalConn[1]);
 628             std::swap(nodalConn[2],nodalConn[3]);
 629           }
 630         else
 631           throw Exception("CellModel::changeOrientationOf1D : unrecognized 1D cell type !");
 632       }
 633     else
 634       {
 635         std::vector<int> tmp(sz-1);
 636         std::copy(nodalConn+1,nodalConn+sz,tmp.rbegin());
 637         std::copy(tmp.begin(),tmp.end(),nodalConn+1);
 638       }
 639   }
 640
 641   //================================================================================
 642   /*!
 643    * \brief Return number of nodes in sonId-th son of a Dynamic() cell
 644    */
 645   //================================================================================
 646
 647   unsigned CellModel::getNumberOfNodesConstituentTheSon2(unsigned sonId, const int *nodalConn, int lgth) const
 648   {
 649     if(!isDynamic())
 650       return getNumberOfNodesConstituentTheSon(sonId);
 651
 652     if(_dim==2)//polygon
 653       {
 654         if(_type==NORM_POLYGON)
 655           return 2;
 656         else
 657           return 3;
 658       }
 659     else if(_dim==3)
 660       {//polyedron
 661         const int *where=nodalConn;
 662         for(unsigned int i=0;i<sonId;i++)
 663           {
 664             where=std::find(where,nodalConn+lgth,-1);
 665             where++;
 666           }
 667         const int *where2=std::find(where,nodalConn+lgth,-1);
 668         return where2-where;
 669       }
 670     else
 671       throw INTERP_KERNEL::Exception("CellModel::getNumberOfNodesConstituentTheSon2 : no sons on NORM_POLYL !");
 672   }
 673
 674   /*!
 675    * This method retrieves if cell1 represented by 'conn1' and cell2 represented by 'conn2'
 676    * are equivalent by a permutation or not. This method expects to work on 1D or 2D (only mesh dimension where it is possible to have a spaceDim) strictly higher than meshDim.
 677    * If not an exception will be thrown.
 678    * @return True if two cells have same orientation, false if not.
 679    */
 680   bool CellModel::getOrientationStatus(unsigned lgth, const int *conn1, const int *conn2) const
 681   {
 682     if(_dim!=1 && _dim!=2)
 683       throw INTERP_KERNEL::Exception("CellModel::getOrientationStatus : invalid dimension ! Must be 1 or 2 !");
 684     if(!_quadratic)
 685       {
 686         std::vector<int> tmp(2*lgth);
 687         std::vector<int>::iterator it=std::copy(conn1,conn1+lgth,tmp.begin());
 688         std::copy(conn1,conn1+lgth,it);
 689         it=std::search(tmp.begin(),tmp.end(),conn2,conn2+lgth);
 690         if(it==tmp.begin())
 691           return true;
 692         if(it!=tmp.end())
 693           return _dim!=1;
 694         std::vector<int>::reverse_iterator it2=std::search(tmp.rbegin(),tmp.rend(),conn2,conn2+lgth);
 695         if(it2!=tmp.rend())
 696           return false;
 697         throw INTERP_KERNEL::Exception("CellModel::getOrientationStatus : Request of orientation status of non equal connectively cells !");
 698       }
 699     else
 700       {
 701         if(_dim!=1)
 702           {
 703             std::vector<int> tmp(lgth);
 704             std::vector<int>::iterator it=std::copy(conn1,conn1+lgth/2,tmp.begin());
 705             std::copy(conn1,conn1+lgth/2,it);
 706             it=std::search(tmp.begin(),tmp.end(),conn2,conn2+lgth/2);
 707             int d=std::distance(tmp.begin(),it);
 708             if(it==tmp.end())
 709               return false;
 710             it=std::copy(conn1+lgth/2,conn1+lgth,tmp.begin());
 711             std::copy(conn1+lgth/2,conn1+lgth,it);
 712             it=std::search(tmp.begin(),tmp.end(),conn2,conn2+lgth);
 713             if(it==tmp.end())
 714               return false;
 715             int d2=std::distance(tmp.begin(),it);
 716             return d==d2;
 717           }
 718         else
 719           {
 720             int p=(lgth+1)/2;
 721             std::vector<int> tmp(2*p);
 722             std::vector<int>::iterator it=std::copy(conn1,conn1+p,tmp.begin());
 723             std::copy(conn1,conn1+p,it);
 724             it=std::search(tmp.begin(),tmp.end(),conn2,conn2+p);
 725             int d=std::distance(tmp.begin(),it);
 726             if(it==tmp.end())
 727               return false;
 728             tmp.resize(2*p-2);
 729             it=std::copy(conn1+p,conn1+lgth,tmp.begin());
 730             std::copy(conn1+p,conn1+lgth,it);
 731             it=std::search(tmp.begin(),tmp.end(),conn2+p,conn2+lgth);
 732             if(it==tmp.end())
 733               return false;
 734             int d2=std::distance(tmp.begin(),it);
 735             return d==d2;
 736           }
 737       }
 738   }
 739
 740   DiameterCalculator *CellModel::buildInstanceOfDiameterCalulator(int spaceDim) const
 741   {
 742     switch(_type)
 743       {
 744       case NORM_TRI3:
 745         {
 746           switch(spaceDim)
 747             {
 748             case 2:
 749               return new DiameterCalulatorTRI3S2;
 750             case 3:
 751               return new DiameterCalulatorTRI3S3;
 752             default:
 753               throw Exception("CellModel::buildInstanceOfDiameterCalulator : For TRI3 only space dimension 2 and 3 implemented !");
 754             }
 755           break;
 756         }
 757       case NORM_QUAD4:
 758         {
 759           switch(spaceDim)
 760             {
 761             case 2:
 762               return new DiameterCalulatorQUAD4S2;
 763             case 3:
 764               return new DiameterCalulatorQUAD4S3;
 765             default:
 766               throw Exception("CellModel::buildInstanceOfDiameterCalulator : For QUAD4 only space dimension 2 and 3 implemented !");
 767             }
 768           break;
 769         }
 770       case NORM_TRI6:
 771         {
 772           switch(spaceDim)
 773           {
 774             case 2:
 775               return new DiameterCalulatorTRI6S2;
 776             case 3:
 777               return new DiameterCalulatorTRI6S3;
 778             default:
 779               throw Exception("CellModel::buildInstanceOfDiameterCalulator : For TRI6 only space dimension 2 and 3 implemented !");
 780           }
 781           break;
 782         }
 783       case NORM_TRI7:
 784         {
 785           switch(spaceDim)
 786           {
 787             case 2:
 788               return new DiameterCalulatorTRI7S2;
 789             case 3:
 790               return new DiameterCalulatorTRI7S3;
 791             default:
 792               throw Exception("CellModel::buildInstanceOfDiameterCalulator : For TRI7 only space dimension 2 and 3 implemented !");
 793           }
 794           break;
 795         }
 796       case NORM_QUAD8:
 797         {
 798           switch(spaceDim)
 799           {
 800             case 2:
 801               return new DiameterCalulatorQUAD8S2;
 802             case 3:
 803               return new DiameterCalulatorQUAD8S3;
 804             default:
 805               throw Exception("CellModel::buildInstanceOfDiameterCalulator : For QUAD8 only space dimension 2 and 3 implemented !");
 806           }
 807           break;
 808         }
 809       case NORM_QUAD9:
 810         {
 811           switch(spaceDim)
 812           {
 813             case 2:
 814               return new DiameterCalulatorQUAD9S2;
 815             case 3:
 816               return new DiameterCalulatorQUAD9S3;
 817             default:
 818               throw Exception("CellModel::buildInstanceOfDiameterCalulator : For QUAD9 only space dimension 2 and 3 implemented !");
 819           }
 820           break;
 821         }
 822       case NORM_TETRA4:
 823         {
 824           if(spaceDim==3)
 825             return new DiameterCalulatorTETRA4;
 826           else
 827             throw Exception("CellModel::buildInstanceOfDiameterCalulator : For TETRA4 space dimension 3 expected !");
 828         }
 829       case NORM_TETRA10:
 830         {
 831           if(spaceDim==3)
 832             return new DiameterCalulatorTETRA10;
 833           else
 834             throw Exception("CellModel::buildInstanceOfDiameterCalulator : For TETRA10 space dimension 3 expected !");
 835         }
 836       case NORM_HEXA8:
 837         {
 838           if(spaceDim==3)
 839             return new DiameterCalulatorHEXA8;
 840           else
 841             throw Exception("CellModel::buildInstanceOfDiameterCalulator : For HEXA8 space dimension 3 expected !");
 842         }
 843       case NORM_HEXA20:
 844         {
 845           if(spaceDim==3)
 846             return new DiameterCalulatorHEXA20;
 847           else
 848             throw Exception("CellModel::buildInstanceOfDiameterCalulator : For HEXA20 space dimension 3 expected !");
 849         }
 850       case NORM_HEXA27:
 851         {
 852           if(spaceDim==3)
 853             return new DiameterCalulatorHEXA27;
 854           else
 855             throw Exception("CellModel::buildInstanceOfDiameterCalulator : For HEXA27 space dimension 3 expected !");
 856         }
 857       case NORM_PENTA6:
 858         {
 859           if(spaceDim==3)
 860             return new DiameterCalulatorPENTA6;
 861           else
 862             throw Exception("CellModel::buildInstanceOfDiameterCalulator : For PENTA6 space dimension 3 expected !");
 863         }
 864       case NORM_PENTA15:
 865         {
 866           if(spaceDim==3)
 867             return new DiameterCalulatorPENTA15;
 868           else
 869             throw Exception("CellModel::buildInstanceOfDiameterCalulator : For PENTA15 space dimension 3 expected !");
 870         }
 871       case NORM_PYRA5:
 872         {
 873           if(spaceDim==3)
 874             return new DiameterCalulatorPYRA5;
 875           else
 876             throw Exception("CellModel::buildInstanceOfDiameterCalulator : For PYRA5 space dimension 3 expected !");
 877         }
 878       case NORM_PYRA13:
 879         {
 880           if(spaceDim==3)
 881             return new DiameterCalulatorPYRA13;
 882           else
 883             throw Exception("CellModel::buildInstanceOfDiameterCalulator : For PYRA13 space dimension 3 expected !");
 884         }
 885       default:
 886         throw Exception("CellModel::buildInstanceOfDiameterCalulator : implemented only for TRI3, QUAD4, TETRA4, HEXA8, PENTA6, PYRA5 !");
 887       }
 888   }
 889 }