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francois |
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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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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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} |
