MED fichier: c/test7.c

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c/test7.c
/* This file is part of MED.
*
* COPYRIGHT (C) 1999 - 2017 EDF R&D, CEA/DEN
* MED is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* MED is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with MED. If not, see <http://www.gnu.org/licenses/>.
*/
/******************************************************************************
* - Nom du fichier : test7.c
*
* - Description : lecture des elements du maillage MED crees par test6
*
*****************************************************************************/
#include <med.h>
#define MESGERR 1
#include "med_utils.h"
#include <string.h>
#ifdef DEF_LECT_ECR
#define MODE_ACCES MED_ACC_RDWR
#elif DEF_LECT_AJOUT
#define MODE_ACCES MED_ACC_RDEXT
#else
#define MODE_ACCES MED_ACC_CREAT
#endif
int main (int argc, char **argv)
{
med_err ret = 0;
med_idt fid;
med_int nse2;
med_int *se2_1;
med_int *se2_2;
char *nomse2;
med_int *numse2;
med_int *nufase2;
med_int ntr3;
med_int *tr3;
char *nomtr3;
med_int *numtr3;
med_int *nufatr3;
char maa[MED_NAME_SIZE+1] ="maa1";
med_int mdim=0,sdim=0;
med_bool inoele=MED_FALSE,inuele=MED_FALSE,chgt=MED_FALSE,trsf=MED_FALSE;
med_bool inoele3=MED_FALSE,inuele3=MED_FALSE;
med_int tse2,ttr3;
char str[MED_SNAME_SIZE+1];
med_int flt[2] = { 2, 3 }, fltsize=2;
char desc[MED_COMMENT_SIZE+1];
char dtunit[MED_SNAME_SIZE+1]="";
char nomcoo[2*MED_SNAME_SIZE+1];
char unicoo[2*MED_SNAME_SIZE+1];
med_mesh_type type;
med_sorting_type sort;
med_int nstep=0,i=0;
med_filter filter=MED_FILTER_INIT;
med_axis_type rep;
med_int nname=0;
/* Ouverture du fichier en mode lecture seule */
if ((fid = MEDfileOpen("test6.med",MED_ACC_RDONLY)) < 0) {
MESSAGE("Erreur a l'ouverture du fichier test6.med");
return -1;
}
if ((sdim=MEDmeshnAxis(fid, 1)) <0) {
MESSAGE("Erreur a la lecture de la dimension de l'espace du maillage :");
SSCRUTE(maa);
return -1;
}
/* Lecture des infos concernant le premier maillage */
if ( MEDmeshInfo( fid, 1, maa, &sdim, &mdim, &type, desc, dtunit, &sort,
&nstep, &rep, nomcoo,unicoo) < 0 ) {
MESSAGE("Erreur a la lecture des informations sur le maillage : ");SSCRUTE(maa);
return -1;
} else {
printf("Maillage de nom : |%s| , de dimension : "IFORMAT" , et de type %d\n",maa,mdim,type);
printf("\t -Dimension de l'espace : "IFORMAT"\n",sdim);
printf("\t -Description du maillage : %s\n",desc);
printf("\t -Noms des axes : |%s|\n",nomcoo);
printf("\t -Unités des axes : |%s|\n",unicoo);
printf("\t -Type de repère : %d\n",rep);
printf("\t -Nombre d'étapes de calcul : "IFORMAT"\n",nstep);
printf("\t -Unité des dates : |%s|\n",dtunit);
}
/* Combien de triangles et de segments */
if ((nse2 = MEDmeshnEntity(fid, maa, MED_NO_DT, MED_NO_IT,
MED_DESCENDING_EDGE, MED_SEG2, MED_CONNECTIVITY, MED_DESCENDING,
&chgt, &trsf)) < 0) {
MESSAGE("Erreur a la lecture du nombre de faces MED_SEG2");
return -1;
}
if ((ntr3 = MEDmeshnEntity(fid, maa, MED_NO_DT, MED_NO_IT,
MED_CELL, MED_TRIA3,MED_CONNECTIVITY, MED_DESCENDING,
&chgt, &trsf))<0) {
MESSAGE("Erreur a la lecture du nombre de mailles MED_TRIA3");
return -1;
}
printf("Nombre de MED_SEG2 : "IFORMAT" - nombre de MED_TRIA3 : "IFORMAT"\n",nse2,ntr3);
/* Allocations memoire */
tse2 = 2;
se2_1 = (med_int*) calloc(tse2*nse2,sizeof(med_int));
se2_2 = (med_int*) malloc(sizeof(med_int)*tse2*nse2);
nomse2 = (char*) malloc(MED_SNAME_SIZE*nse2+1);
numse2 = (med_int*) malloc(sizeof(med_int)*nse2);
nufase2 = (med_int*) malloc(sizeof(med_int)*nse2);
ttr3 = 3;
tr3 = (med_int*) malloc(sizeof(med_int)*ntr3*ttr3);
nomtr3 = (char*) malloc(MED_SNAME_SIZE*ntr3+1);
numtr3 = (med_int*) malloc(sizeof(med_int)*ntr3);
nufatr3 = (med_int*) malloc(sizeof(med_int)*ntr3);
if ( MEDfilterEntityCr( fid, nse2, 1, sdim, 2,
MED_FULL_INTERLACE, MED_GLOBAL_STMODE,
MED_NO_PROFILE, fltsize,
flt, &filter) < 0 ) {
MESSAGE("Erreur à la crétion du filtre 1.");
}
/* Lecture des connectivites des segments avec flt */
if (MEDmeshElementConnectivityAdvancedRd(fid, maa, MED_NO_DT, MED_NO_IT,
MED_DESCENDING_EDGE, MED_SEG2, MED_DESCENDING, &filter,
se2_1) < 0) {
MESSAGE("Erreur a la lecture de la connectivite des segments");
return -1;
}
MEDfilterClose(&filter);
/* Lecture de la connectivite des segments */
if (MEDmeshElementConnectivityRd(fid, maa, MED_NO_DT, MED_NO_IT,
MED_DESCENDING_EDGE, MED_SEG2, MED_DESCENDING,
MED_FULL_INTERLACE, se2_2) < 0) {
MESSAGE("Erreur a la lecture de la connectivite des segments");
return -1;
}
/* Lecture (optionnelle) des noms des segments */
if (MEDmeshEntityNameRd(fid, maa, MED_NO_DT, MED_NO_IT,
MED_DESCENDING_EDGE, MED_SEG2,nomse2) < 0)
inoele = MED_FALSE;
else
inoele = MED_TRUE;
/* Test complémentaire */
if ((nname = MEDmeshnEntity(fid, maa, MED_NO_DT, MED_NO_IT,
MED_DESCENDING_EDGE,MED_SEG2, MED_NAME, MED_NO_CMODE,
&chgt, &trsf))<0) {
MESSAGE("Erreur a la lecture du nombre de nom de mailles MED_SEG2");
return -1;
}
printf("Nombre de nom de MED_SEG2 : "IFORMAT" \n",nname);
/* Lecture (optionnelle) des numeros des segments */
if ( MEDmeshEntityNumberRd(fid, maa, MED_NO_DT, MED_NO_IT,
MED_DESCENDING_EDGE, MED_SEG2, numse2) < 0)
inuele = MED_FALSE;
else
inuele = MED_TRUE;
/* Lecture des numeros des familles des segments */
if (MEDmeshEntityFamilyNumberRd(fid,maa, MED_NO_DT, MED_NO_IT,
MED_DESCENDING_EDGE, MED_SEG2,nufase2) < 0) {
MESSAGE("Erreur a la lecture des numéros de famille des segments");
return -1;
}
/* Lecture de la connectivite des triangles */
if (MEDmeshElementConnectivityRd(fid, maa, MED_NO_DT, MED_NO_IT,
MED_CELL, MED_TRIA3, MED_DESCENDING,
MED_FULL_INTERLACE, tr3) < 0) {
MESSAGE("Erreur a la lecture de la connectivite des triangles");
return -1;
}
/* Lecture (optionnelle) des noms des triangles */
if (MEDmeshEntityNameRd(fid, maa, MED_NO_DT, MED_NO_IT,
MED_CELL, MED_TRIA3, nomtr3) < 0)
inoele3 = MED_FALSE;
else
inoele3 = MED_TRUE;
/* Lecture (optionnelle) des numeros des triangles */
if (MEDmeshEntityNumberRd(fid, maa, MED_NO_DT, MED_NO_IT,
MED_CELL, MED_TRIA3, numtr3) < 0)
inuele3 = MED_FALSE;
else
inuele3 = MED_TRUE;
/* Lecture des numeros des familles des triangles */
if ( (ret = MEDmeshEntityFamilyNumberRd(fid,maa, MED_NO_DT, MED_NO_IT,
MED_CELL, MED_TRIA3,nufatr3)) < 0) {
MESSAGE("Erreur a la lecture des numeros de famille des segments");
return -1;
}
/* Fermeture du fichier */
if (MEDfileClose(fid) < 0) {
MESSAGE("Erreur a la fermeture du fichier");
return -1;
}
/* Affichage */
if (ret == 0) {
printf("Connectivite des segments (1): \n");
for (i=0;i<nse2*tse2;i++)
printf(IFORMAT" ",*(se2_1+i));
printf("\n");
printf("Connectivite des segments (2): \n");
for (i=0;i<nse2*tse2;i++)
printf(IFORMAT" ",*(se2_2+i));
if (inoele) {
printf("\nNoms des segments :\n");
for (i=0;i<nse2;i++) {
strncpy(str,nomse2+i*MED_SNAME_SIZE,MED_SNAME_SIZE);
str[MED_SNAME_SIZE] = '\0';
printf("|%s| ",str);
}
}
if (inuele) {
printf("\nNumeros des segments :\n");
for (i=0;i<nse2;i++)
printf(IFORMAT" ",*(numse2+i));
}
printf("\nNumeros des familles des segments :\n");
for (i=0;i<nse2;i++)
printf(IFORMAT" ",*(nufase2+i));
printf("\nConnectivite des triangles : \n");
for (i=0;i<ntr3*ttr3;i++)
printf(IFORMAT" ",*(tr3+i));
if (inoele3) {
printf("\nNoms des triangles :\n");
for (i=0;i<ntr3;i++) {
strncpy(str,nomtr3+i*MED_SNAME_SIZE,MED_SNAME_SIZE);
str[MED_SNAME_SIZE] = '\0';
printf("|%s| ",str);
}
}
if (inuele3) {
printf("\nNumeros des triangles :\n");
for (i=0;i<ntr3;i++)
printf(IFORMAT" ",*(numtr3+i));
}
printf("\nNumeros des familles des triangles :\n");
for (i=0;i<ntr3;i++)
printf(IFORMAT" ",*(nufatr3+i));
printf("\n");
}
/* Nettoyage memoire */
free(se2_1);
free(se2_2);
free(nomse2);
free(numse2);
free(nufase2);
free(tr3);
free(nomtr3);
free(numtr3);
free(nufatr3);
return ret;
}