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/* lecture des fichiers */
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include "m3d_const.h"
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#include "m3d_hotes.h"
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#include "m3d_struct.h"
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#include "m3d_erreur.h"
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#include "prototype.h"
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extern int format ;
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extern GEST_MEM *gest ;
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extern int debug ;
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extern int nb_max_noe ;
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void m3d_rstar(int *nb_noeud,int *nb_ele,float *coord,int *numele,int *ierr)
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{
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FILE *stream, *output ;
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char line[MAX_LINE] ;
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char temp[MAX_LINE] ;
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int j,i;
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int j1,j2,j3,j4 ;
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/* declaration des fonctions */
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char *ext_noe, *ext_ele ;
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int *corresp, itype ;
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float crit, crit1, crit2 ;
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*ierr = FAUX ;
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j = 0 ;
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itype = 0 ;
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if (format == STARCD)
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{
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francois |
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ext_noe = (char*)EXT_NOE_STAR ;
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ext_ele = (char*)EXT_ELE_STAR ;
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temp[0] = 0 ;
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strcpy(temp,gest->buffer) ;
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strncat(temp,ext_noe,8) ;
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/* ouverture du fichier des noeuds */
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if (!(stream = fopen(temp,"r")))
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{
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*ierr = VRAI ;
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m3d_erreur(ERR_OPEN);
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return ;
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}
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/* lecture du plus grand numero i de noeud + nombre de noeud */
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i = 0 ;
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*nb_noeud = 0 ;
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while (fgets(line,MAX_LINE,stream))
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{
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if (sscanf(line,"%d",&j)!=1)
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{
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*ierr = VRAI ;
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m3d_erreur(ERR_FORMAT);
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return ;
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}
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(*nb_noeud)++ ;
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if (j>i) i = j ;
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}
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if (*nb_noeud>=nb_max_noe)
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{
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*ierr = VRAI ;
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m3d_erreur(ERR_NB_NOE);
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return ;
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}
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gest->numax = i ;
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corresp = (int*)calloc(i+1,sizeof(int)) ;
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if (corresp == NULL)
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{
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*ierr = VRAI ;
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m3d_erreur(ERR_ALLOC);
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return ;
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}
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/* plus grand numero */
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gest->tabcor = (int*)calloc((*nb_noeud)+1,sizeof(int)) ;
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if (gest->tabcor == NULL)
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{
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*ierr = VRAI ;
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m3d_erreur(ERR_ALLOC);
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return ;
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}
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rewind(stream) ;
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j = 0 ;
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while (fgets(line,MAX_LINE,stream))
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{
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if (sscanf(line,"%d %f %f %f",&i,coord+3*j,coord+3*j+1,coord+3*j+2)!=4)
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{
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*ierr = VRAI ;
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m3d_erreur(ERR_FORMAT);
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return ;
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}
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j++ ;
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corresp[i] = j ;
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gest->tabcor[j] = i ;
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}
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fclose(stream) ;
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*nb_noeud = j ;
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/* ouverture du fichier des elements */
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temp[0] = 0 ;
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strcpy(temp,gest->buffer) ;
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strncat(temp,ext_ele,8) ;
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/* ouverture du fichier */
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if (!(stream = fopen(temp,"r")))
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{
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*ierr = VRAI ;
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m3d_erreur(ERR_OPEN);
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return ;
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}
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j = 0 ;
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while (fgets(line,MAX_LINE,stream))
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{
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if (sscanf(line,"%d %d %d %d %d",&i,&j1,&j2,&j3,&j4)!=5)
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{
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*ierr = VRAI ;
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m3d_erreur(ERR_FORMAT);
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return ;
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}
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if (j3 == j4)
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{
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numele[3*j] = corresp[j1] ;
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numele[3*j+1] = corresp[j2] ;
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numele[3*j+2] = corresp[j3] ;
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/* examen de la qualite */
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crit = m3d_cal2d(coord,numele[3*j],numele[3*j+1],numele[3*j+2]) ;
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if ((crit<0.1) && (debug)) printf("%s %f\n",line,crit) ;
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j++ ;
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}
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else
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{
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crit = m3d_cal2d(coord,corresp[j1],corresp[j2],corresp[j3]) ;
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crit1 = m3d_cal2d(coord,corresp[j1],corresp[j3],corresp[j4]) ;
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crit1 = min(crit,crit1) ;
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crit = m3d_cal2d(coord,corresp[j1],corresp[j2],corresp[j4]) ;
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crit2 = m3d_cal2d(coord,corresp[j2],corresp[j3],corresp[j4]) ;
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crit2 = min(crit,crit2) ;
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if (crit1 > crit2)
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{
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numele[3*j] = corresp[j1] ;
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numele[3*j+1] = corresp[j2] ;
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numele[3*j+2] = corresp[j3] ;
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/* examen de la qualite */
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crit = m3d_cal2d(coord,numele[3*j],numele[3*j+1],numele[3*j+2]) ;
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j++ ;
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numele[3*j] = corresp[j1] ;
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numele[3*j+1] = corresp[j3] ;
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numele[3*j+2] = corresp[j4] ;
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/* examen de la qualite */
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crit = m3d_cal2d(coord,numele[3*j],numele[3*j+1],numele[3*j+2]) ;
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j++ ;
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}
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else
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{
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numele[3*j] = corresp[j1] ;
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numele[3*j+1] = corresp[j2] ;
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numele[3*j+2] = corresp[j4] ;
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/* examen de la qualite */
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crit = m3d_cal2d(coord,numele[3*j],numele[3*j+1],numele[3*j+2]) ;
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j++ ;
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numele[3*j] = corresp[j2] ;
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numele[3*j+1] = corresp[j3] ;
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numele[3*j+2] = corresp[j4] ;
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/* examen de la qualite */
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crit = m3d_cal2d(coord,numele[3*j],numele[3*j+1],numele[3*j+2]) ;
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j++ ;
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}
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}
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}
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*nb_ele = j ;
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free(corresp) ;
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fclose(stream) ;
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}
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else
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{
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*ierr = VRAI ;
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m3d_erreur(ERR_FORMAT);
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return ;
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}
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return ;
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}
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