Test_MEDsupportMesh.c

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00001 /*  This file is part of MED.
00002  *
00003  *  COPYRIGHT (C) 1999 - 2011  EDF R&D, CEA/DEN
00004  *  MED is free software: you can redistribute it and/or modify
00005  *  it under the terms of the GNU Lesser General Public License as published by
00006  *  the Free Software Foundation, either version 3 of the License, or
00007  *  (at your option) any later version.
00008  *
00009  *  MED is distributed in the hope that it will be useful,
00010  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012  *  GNU Lesser General Public License for more details.
00013  *
00014  *  You should have received a copy of the GNU Lesser General Public License
00015  *  along with MED.  If not, see <http://www.gnu.org/licenses/>.
00016  */
00017 
00018 
00019 #include <med.h>
00020 #define MESGERR 1
00021 #include <med_utils.h>
00022 #include <string.h>
00023 
00024 #ifdef DEF_LECT_ECR
00025 #define MODE_ACCES MED_ACC_RDWR
00026 #elif DEF_LECT_AJOUT
00027 #define MODE_ACCES MED_ACC_RDEXT
00028 #else
00029 #define MODE_ACCES MED_ACC_CREAT
00030 #endif
00031 
00032 int main (int argc, char **argv)
00033 
00034 {
00035 
00036   int     _i          = 0;
00037   int     _j          = 0;
00038   med_idt _fid        = 0;
00039   med_int _meshdim    = 3;
00040   med_int _rmeshdim   = 0;
00041   med_int _rspacedim  = 0;
00042   med_int _n          = 0;
00043   med_int _rnnoe      = 0;
00044   med_int _rnse2      = 0;
00045 
00046   const med_int _nnoe = 5;
00047 
00048   /* table des coordonnees
00049      (dimension * nombre de noeuds) */
00050   med_float coo[5*3] = {0.0, 0.0, 0.0, 0.1 , 0.0, 0.0,
00051                         1.0, 0.0, 0.0, 1.1 , 0.0, 0.0,
00052                         2.0, 0.0, 0.0  };
00053   med_float * _rcoo=NULL;
00054 
00055   med_int nse2 = 4;
00056   med_int se2[10] = {1,2, 2,3, 3,4, 4,5};
00057   med_int * _rse2=NULL;
00058 
00059   const char   _supportmeshname[]="SUPPORT_POUTRE";
00060   char         _axisname[3*MED_SNAME_SIZE+1]="";
00061   char         _axisunit[3*MED_SNAME_SIZE+1]="";
00062 
00063   char           _rsupportmeshname[MED_NAME_SIZE+1]="";
00064   char           _raxisname[3*MED_SNAME_SIZE+1]="";
00065   char           _raxisunit[3*MED_SNAME_SIZE+1]="";
00066   char           _rdescription[MED_COMMENT_SIZE+1]="";
00067   med_axis_type  _raxistype;
00068   med_bool       _chgt=MED_FALSE,_trsf=MED_FALSE;
00069 
00070   strcat(_axisname,"x               ");
00071   strcat(_axisname,"y               ");
00072   strcat(_axisname,"z               ");
00073   strcat(_axisunit,"cm              ");
00074   strcat(_axisunit,"cm              ");
00075   strcat(_axisunit,"cm              ");
00076 
00077  /* ouverture du fichier */
00078   if ((_fid = MEDfileOpen("current.med",MODE_ACCES)) < 0) {
00079     MESSAGE("Impossible de creer le fichier current.med");
00080     return -1;
00081   }
00082 
00083   if (MEDsupportMeshCr( _fid, _supportmeshname, _meshdim, _meshdim,"Maillage support ED de type poutre",
00084                         MED_CARTESIAN,_axisname, _axisname) < 0) {
00085     MESSAGE("Erreur a la creation du maillage support : "); SSCRUTE(_supportmeshname);
00086     return -1;
00087   }
00088 
00089   /* Ecriture des coordonnees des noeuds en mode MED_FULL_INTERLACE :
00090      (X1,Y1, X2,Y2, X3,Y3, ...) dans un repere cartesien */
00091   if (MEDmeshNodeCoordinateWr(_fid,_supportmeshname,MED_NO_DT,MED_NO_IT,MED_UNDEF_DT,
00092                               MED_FULL_INTERLACE, _nnoe,  coo) < 0) {
00093     MESSAGE("Erreur a l'écriture des coordonnees des noeuds du maillage support");
00094     return -1;
00095   }
00096 
00097 
00098   /* ecriture des connectivites des segments */
00099   if ( MEDmeshElementConnectivityWr(_fid,_supportmeshname, MED_NO_DT, MED_NO_IT, MED_UNDEF_DT,
00100                                     MED_CELL, MED_SEG2, MED_NODAL,
00101                                     MED_FULL_INTERLACE, nse2, se2) < 0 ) {
00102     MESSAGE("Impossible d'ecrire la connectivité des segments du maillage support : ");
00103     return -1;
00104   }
00105 
00106   if (MEDsupportMeshCr( _fid, "MED_BILLE_SUPPORT", _meshdim, _meshdim,"Maillage support ED de type bille",
00107                         MED_CARTESIAN,_axisname, _axisname) < 0) {
00108     MESSAGE("Erreur a la creation du maillage support : "); SSCRUTE(_supportmeshname);
00109     return -1;
00110   }
00111 
00112   /* Ecriture des coordonnees des noeuds en mode MED_FULL_INTERLACE :
00113      (X1,Y1, X2,Y2, X3,Y3, ...) dans un repere cartesien */
00114   if (MEDmeshNodeCoordinateWr(_fid,"MED_BILLE_SUPPORT",MED_NO_DT,MED_NO_IT,MED_UNDEF_DT,
00115                               MED_FULL_INTERLACE, 1,  coo) < 0) {
00116     MESSAGE("Erreur a l'écriture des coordonnees des noeuds du maillage support : MED_BILLE_SUPPORT.");
00117     return -1;
00118   }
00119 
00120 
00121   if ( (_n =MEDnSupportMesh(_fid)) < 0 ) {
00122     MESSAGE("Erreur à la lecture du nombre de maillages supports : ");
00123     return -1;
00124   }
00125 
00126   for (_i=1; _i <= _n; ++_i) {
00127 
00128     /*TODO : Developper supportMeshnAxis && supportMeshnAxisByName */
00129     if ( MEDsupportMeshInfo(_fid, _i ,
00130                             _rsupportmeshname, &_rspacedim, &_rmeshdim, _rdescription,
00131                             &_raxistype, _raxisname, _raxisunit) < 0 ) {
00132       MESSAGE("Erreur à la lecture des informations sur le  maillage support : "); SSCRUTE(_supportmeshname);
00133       return -1;
00134     }
00135 
00136     printf("Maillage support de nom : |%s| , de dimension : %d.\n",_rsupportmeshname, _rmeshdim);
00137     printf("\t -Dimension de l'espace : %d\n",_rspacedim);
00138     printf("\t -Description du maillage : %s\n",_rdescription);
00139     printf("\t -Noms des axes : %s\n",_raxisname);
00140     printf("\t -Unités des axes : %s\n",_raxisunit);
00141 
00142     /* Combien de noeuds a lire ? */
00143     _rnnoe = MEDmeshnEntity(_fid,_rsupportmeshname,MED_NO_DT,MED_NO_IT,
00144                             MED_NODE,MED_NONE,MED_COORDINATE,MED_NO_CMODE,
00145                             &_chgt,&_trsf);
00146     if (_rnnoe < 0) {
00147       MESSAGE("Erreur a la lecture du nombre de noeuds. ");
00148       return -1;
00149     } else
00150       printf("Nombre de noeuds du maillage support: "IFORMAT" \n",_rnnoe);
00151 
00152     /* Allocations memoires */
00153     if (_rnnoe > 0) {
00154       /* table des coordonnees (dimension * nombre de noeuds ) */
00155       _rcoo = (med_float*) calloc(_rnnoe*_rspacedim,sizeof(med_float));
00156 
00157       if ( MEDmeshNodeCoordinateRd(_fid, _rsupportmeshname, MED_NO_DT, MED_NO_IT,MED_FULL_INTERLACE, _rcoo) < 0 ) {
00158         MESSAGE("Erreur a la lecture des coordonnees des noeuds");
00159         return -1;
00160       } else {
00161         printf("Valeur de _rcoo : ");
00162         for (_j=0;_j<_rnnoe*_rspacedim;_j++)  printf("%4.2f ",_rcoo[_j]);
00163         printf("\n");
00164       }
00165 
00166       free(_rcoo);
00167     }
00168 
00169     /* Combien de segments à lire ? */
00170     _rnse2 = MEDmeshnEntity(_fid,_rsupportmeshname,MED_NO_DT,MED_NO_IT,
00171                             MED_CELL,MED_SEG2,MED_CONNECTIVITY,MED_NODAL,
00172                             &_chgt,&_trsf);
00173 
00174     if (_rnse2 < 0) {
00175       MESSAGE("Erreur a la lecture du nombre de segments.");
00176       return -1;
00177     } else
00178       printf("Nombre de segments du maillage support: "IFORMAT" \n",_rnse2);
00179 
00180     if (_rnse2 > 0) {
00181       /* table des connectivités (_rnse2 * nombre de noeuds ds un MED_SE2) */
00182       _rse2 = (med_int*) calloc(_rnse2*2,sizeof(med_int));
00183 
00184       if ( MEDmeshElementConnectivityRd(_fid, _rsupportmeshname, MED_NO_DT, MED_NO_IT,
00185                                        MED_CELL,MED_SEG2,MED_NODAL,MED_FULL_INTERLACE, _rse2) < 0 ) {
00186         MESSAGE("Erreur a la lecture des connectivités des segments");
00187         return -1;
00188       } else {
00189         printf("Valeur de _rse2 : ");
00190         for (_j=0;_j<_rnse2*2;_j++)  printf("%d ",_rse2[_j]);
00191         printf("\n");
00192       }
00193 
00194       free(_rse2);
00195     }
00196 
00197   }
00198 
00199   return 0;
00200 }

Généré le Mon May 16 17:10:24 2011 pour MED fichier par  doxygen 1.6.1