src/DriverDAT/DriverDAT_R_SMDS_Mesh.cxx

   1 //  SMESH DriverDAT : driver to read and write 'dat' files
   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.opencascade.org/SALOME/ or email : webmaster.salome@opencascade.org
  21 //
  22 //
  23 //
  24 //  File   : DriverDAT_R_SMDS_Mesh.cxx
  25 //  Module : SMESH
  26
  27 using namespace std;
  28 #include "DriverDAT_R_SMDS_Mesh.h"
  29
  30 #include "utilities.h"
  31
  32 DriverDAT_R_SMDS_Mesh::DriverDAT_R_SMDS_Mesh()
  33 {
  34         ;
  35 }
  36
  37 DriverDAT_R_SMDS_Mesh::~DriverDAT_R_SMDS_Mesh()
  38 {
  39         ;
  40 }
  41
  42 void DriverDAT_R_SMDS_Mesh::SetMesh(SMDS_Mesh * aMesh)
  43 {
  44         myMesh = aMesh;
  45 }
  46
  47 void DriverDAT_R_SMDS_Mesh::SetFile(string aFile)
  48 {
  49         myFile = aFile;
  50 }
  51
  52 void DriverDAT_R_SMDS_Mesh::SetFileId(FILE * aFileId)
  53 {
  54         myFileId = aFileId;
  55 }
  56
  57 void DriverDAT_R_SMDS_Mesh::SetMeshId(int aMeshId)
  58 {
  59         myMeshId = aMeshId;
  60 }
  61
  62 void DriverDAT_R_SMDS_Mesh::Add()
  63 {
  64         ;
  65 }
  66
  67 void DriverDAT_R_SMDS_Mesh::Read()
  68 {
  69
  70         int i, j;
  71         int nbNodes, nbCells;
  72         int intNumPoint;
  73         float coordX, coordY, coordZ;
  74         int nbNoeuds;
  75
  76         int intNumMaille, Degre;
  77         int ValElement;
  78         int ValDegre;
  79         int NoeudsMaille[20];
  80         int NoeudMaille;
  81
  82         bool ok;
  83
  84         MESSAGE("in DriverDAT_R_SMDS_Mesh::Read()");
  85   /****************************************************************************
  86   *                      OUVERTURE DU FICHIER EN LECTURE                      *
  87   ****************************************************************************/
  88         char *file2Read = (char *)myFile.c_str();
  89         myFileId = fopen(file2Read, "r");
  90         if (myFileId < 0)
  91         {
  92                 fprintf(stderr, ">> ERREUR : ouverture du fichier %s \n", file2Read);
  93                 exit(EXIT_FAILURE);
  94         }
  95
  96         fscanf(myFileId, "%d %d\n", &nbNodes, &nbCells);
  97
  98   /****************************************************************************
  99   *                       LECTURE DES NOEUDS                                  *
 100   ****************************************************************************/
 101         fprintf(stdout, "\n(************************)\n");
 102         fprintf(stdout, "(* NOEUDS DU MAILLAGE : *)\n");
 103         fprintf(stdout, "(************************)\n");
 104
 105         for (i = 0; i < nbNodes; i++)
 106         {
 107                 fscanf(myFileId, "%d %e %e %e\n", &intNumPoint, &coordX, &coordY,
 108                         &coordZ);
 109                 ok = myMesh->AddNodeWithID(coordX, coordY, coordZ, intNumPoint);
 110         }
 111
 112         fprintf(stdout, "%d noeuds\n", myMesh->NbNodes());
 113   /****************************************************************************
 114   *                       LECTURE DES ELEMENTS                                *
 115   ****************************************************************************/
 116         fprintf(stdout, "\n(**************************)\n");
 117         fprintf(stdout, "(* ELEMENTS DU MAILLAGE : *)\n");
 118         fprintf(stdout, "(**************************)");
 119
 120         fprintf(stdout, "%d elements\n", nbCells);
 121
 122         for (i = 0; i < nbCells; i++)
 123         {
 124                 fscanf(myFileId, "%d %d", &intNumMaille, &ValElement);
 125                 Degre = abs(ValElement / 100);
 126                 nbNoeuds = ValElement - (Degre * 100);
 127
 128                 // Recuperation des noeuds de la maille
 129                 for (j = 0; j < nbNoeuds; j++)
 130                 {
 131                         fscanf(myFileId, "%d", &NoeudMaille);
 132                         NoeudsMaille[j] = NoeudMaille;
 133                 }
 134
 135                 // Analyse des cas de cellules
 136                 switch (ValElement)
 137                 {
 138                 case 102:;
 139                 case 103:;
 140                         {
 141                                 ValDegre = 3;
 142                                 nbNoeuds = 2;
 143                                 ok = myMesh->AddEdgeWithID(NoeudsMaille[0], NoeudsMaille[1],
 144                                         intNumMaille);
 145                                 break;
 146                         }
 147                 case 204:;
 148                 case 208:;
 149                         {
 150                                 ValDegre = 9;
 151                                 nbNoeuds = 4;
 152                                 ok = myMesh->AddFaceWithID(NoeudsMaille[0], NoeudsMaille[1],
 153                                         NoeudsMaille[2], NoeudsMaille[3], intNumMaille);
 154                                 break;
 155                         }
 156                 case 203:;
 157                 case 206:;
 158                         {
 159                                 ValDegre = 5;
 160                                 nbNoeuds = 3;
 161                                 ok = myMesh->AddFaceWithID(NoeudsMaille[0], NoeudsMaille[1],
 162                                         NoeudsMaille[2], intNumMaille);
 163                                 break;
 164                         }
 165                 case 308:;
 166                 case 320:;
 167                         {
 168                                 ValDegre = 12;
 169                                 nbNoeuds = 8;
 170                                 if (ValElement == 320)
 171                                 {
 172                                         //A voir, correspondance VTK
 173                                         NoeudsMaille[4] = NoeudsMaille[8];
 174                                         NoeudsMaille[5] = NoeudsMaille[9];
 175                                         NoeudsMaille[6] = NoeudsMaille[10];
 176                                         NoeudsMaille[7] = NoeudsMaille[11];
 177                                 }
 178                                 ok = myMesh->AddVolumeWithID(NoeudsMaille[0], NoeudsMaille[1],
 179                                         NoeudsMaille[2], NoeudsMaille[3], NoeudsMaille[4],
 180                                         NoeudsMaille[5], NoeudsMaille[6], NoeudsMaille[7],
 181                                         intNumMaille);
 182                                 break;
 183                         }
 184                 case 304:;
 185                 case 310:;
 186                         {
 187                                 ValDegre = 10;
 188                                 nbNoeuds = 4;
 189                                 if (ValElement == 310)
 190                                         NoeudsMaille[3] = NoeudsMaille[6];
 191                                 ok = myMesh->AddVolumeWithID(NoeudsMaille[0], NoeudsMaille[1],
 192                                         NoeudsMaille[2], NoeudsMaille[3], intNumMaille);
 193                                 break;
 194                         }
 195                 case 306:;
 196                 case 315:;
 197                         {
 198                                 ValDegre = 12;
 199                                 nbNoeuds = 8;
 200                                 if (ValElement == 315)
 201                                 {
 202                                         NoeudsMaille[3] = NoeudsMaille[6];
 203                                         NoeudsMaille[4] = NoeudsMaille[7];
 204                                         NoeudsMaille[5] = NoeudsMaille[8];
 205                                 }
 206                                 NoeudsMaille[7] = NoeudsMaille[5];
 207                                 NoeudsMaille[6] = NoeudsMaille[5];
 208                                 NoeudsMaille[5] = NoeudsMaille[4];
 209                                 NoeudsMaille[4] = NoeudsMaille[3];
 210                                 NoeudsMaille[3] = NoeudsMaille[2];
 211                                 ok = myMesh->AddVolumeWithID(NoeudsMaille[0], NoeudsMaille[1],
 212                                         NoeudsMaille[2], NoeudsMaille[3], NoeudsMaille[4],
 213                                         NoeudsMaille[5], intNumMaille);
 214                                 break;
 215                         }
 216
 217                 }
 218         }
 219
 220   /****************************************************************************
 221   *                      FERMETURE DU FICHIER                      *
 222   ****************************************************************************/
 223         fclose(myFileId);
 224
 225 }