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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 nb_max_noe ;
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void m3d_rnastran(int *nb_noeud,int *nb_ele,float *coord,int *numele,int *ierr)
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{
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FILE *stream ;
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char line[MAX_LINE] ;
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char temp[MAX_LINE] ;
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char tabel[MAX_LINE] ;
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char tabel2[MAX_LINE] ;
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int gtrouve, is_large, lg ;
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int j,i, type;
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/* declaration des fonctions */
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char *ext_ele ;
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int *corresp, itype ;
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int *old, *neww, *tablin, *numele2;
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float *coord2 ;
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*ierr = FAUX ;
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*nb_noeud = 0 ;
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*nb_ele = 0 ;
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itype = 0 ;
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j = 0 ;
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gest->numax = -1 ;
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/* extension du fichier */
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/*
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ext_ele = EXT_ELE_NASTRAN ;
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*/
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/* le nom du fichier contient l'extension */
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temp[0] = 0 ;
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strcpy(temp,gest->buffer) ;
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/*
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strncat(temp,ext_ele,4) ;
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*/
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/* ouverture du fichier */
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if (!(stream = fopen(temp,"r")))
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{
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m3d_erreur(ERR_OPEN) ;
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*ierr = VRAI ;
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return ;
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}
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while (fgets(line,MAX_LINE,stream)) /* tant que le fichier n'est pas vide */
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{
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tabel[0] = 0 ;
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strncat(tabel,line,5) ;
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if (!strcmp (tabel,"GRID " ))
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{
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(*nb_noeud) = (*nb_noeud + 1 ) ;
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if (*nb_noeud>=nb_max_noe)
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{
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m3d_erreur(ERR_NB_NOE) ;
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*ierr = VRAI ;
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return ;
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}
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tabel[0] = 0 ;
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/* plus grand numero de noeud */
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strncat(tabel,line+8,8) ;/* 8 caracteres */
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gest->numax = max(gest->numax,atoi(tabel)) ;
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}
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if (!strcmp (tabel,"GRID*" ))
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{
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(*nb_noeud) = (*nb_noeud + 1 ) ;
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if (*nb_noeud>=nb_max_noe)
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{
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m3d_erreur(ERR_NB_NOE) ;
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*ierr = VRAI ;
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return ;
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}
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tabel[0] = 0 ;
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/* plus grand numero de noeud */
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strncat(tabel,line+8,16) ;/* 16 caracteres */
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gest->numax = max(gest->numax,atoi(tabel)) ;
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}
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}
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/* plus grand numero */
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/* alloc du tableau de correspondance */
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corresp = (int*)calloc(gest->numax+1,sizeof(int)) ;
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if (corresp == NULL)
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{
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m3d_erreur(ERR_ALLOC) ;
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*ierr = VRAI ;
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return ;
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}
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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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m3d_erreur(ERR_ALLOC) ;
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*ierr = VRAI ;
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return ;
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}
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rewind(stream) ;
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/* ******************************************** */
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/* BLOC DES NOEUDS */
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/* ******************************************** */
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i = 0 ;
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while (fgets(line,MAX_LINE,stream)) /* tant que le fichier n'est pas vide */
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{
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tabel[0] = 0 ;
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strncat(tabel,line,5) ;/* 5 premiers caracteres */
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if (!strcmp (tabel,"GRID "))
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{
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if (sscanf(line,"%8s%8d",tabel,&j)!=2)
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{
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m3d_erreur(ERR_FORMAT) ;
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*ierr = VRAI ;
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return ;
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}
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lg = 8 ;
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tabel[0] = 0 ;
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strncat(tabel,line+24,8) ;
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m3d_nastof(tabel,&lg,coord+3*i,ierr) ;
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if (*ierr)
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{
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m3d_erreur(ERR_FORMAT) ;
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return ;
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}
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tabel[0] = 0 ;
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strncat(tabel,line+32,8) ;
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m3d_nastof(tabel,&lg,coord+(3*i+1),ierr) ;
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if (*ierr)
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{
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m3d_erreur(ERR_FORMAT) ;
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return ;
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}
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tabel[0] = 0 ;
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strncat(tabel,line+40,8) ;
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m3d_nastof(tabel,&lg,coord+(3*i+2),ierr) ;
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if (*ierr)
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{
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m3d_erreur(ERR_FORMAT) ;
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return ;
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}
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/* tables de correspondance anciens nouveaux numeros de noeuds */
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corresp[j] = i + 1 ;
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gest->tabcor[i+1] = j ;
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i++ ;
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}
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if (!strcmp (tabel,"GRID*" ))
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{
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if (sscanf(line,"%8s%16d",tabel,&j)!=2)
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{
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m3d_erreur(ERR_FORMAT) ;
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*ierr = VRAI ;
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return ;
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}
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lg = 16 ;
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tabel[0] = 0 ;
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strncat(tabel,line+40,16) ;
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m3d_nastof(tabel,&lg,coord+3*i,ierr) ;
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if (*ierr)
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{
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m3d_erreur(ERR_FORMAT) ;
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return ;
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}
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tabel[0] = 0 ;
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strncat(tabel,line+56,16) ;
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m3d_nastof(tabel,&lg,coord+(3*i+1),ierr) ;
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if (*ierr)
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{
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m3d_erreur(ERR_FORMAT) ;
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return ;
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}
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/* passer a la ligne suivante */
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if (!fgets(line,MAX_LINE,stream))
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{
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| 179 |
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m3d_erreur(ERR_FORMAT) ;
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| 180 |
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*ierr = VRAI ;
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| 181 |
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return ;
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| 182 |
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}
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tabel[0] = 0 ;
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strncat(tabel,line+8,16) ;
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m3d_nastof(tabel,&lg,coord+(3*i+2),ierr) ;
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| 186 |
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if (*ierr)
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{
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| 188 |
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m3d_erreur(ERR_FORMAT) ;
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return ;
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| 190 |
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}
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| 191 |
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/* tables de correspondance anciens nouveaux numeros de noeuds */
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corresp[j] = i + 1 ;
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gest->tabcor[i+1] = j ;
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| 194 |
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i++ ;
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| 195 |
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}
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| 196 |
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}
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| 197 |
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rewind(stream) ;
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| 198 |
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| 199 |
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/* ******************************************** */
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| 200 |
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/* BLOC DES ELEMENTS */
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| 201 |
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/* ******************************************** */
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| 202 |
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| 203 |
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while (fgets(line,MAX_LINE,stream))
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| 204 |
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{
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| 205 |
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tabel[0] = 0 ;
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strncat(tabel,line,5) ;/* 5 premiers caracteres */
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gtrouve = !strcmp (tabel,"CTRIA" ) ;
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| 208 |
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| 209 |
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if (gtrouve)
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| 210 |
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{
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| 211 |
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/* test si maillage lineaire ou quadratique */
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| 212 |
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tabel[0] = 0 ;
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| 213 |
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strncat(tabel,line+5,1) ;/* lecture du sixieme caractere */
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| 214 |
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type = atoi(tabel) ;
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switch(type)
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{
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| 217 |
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case 1 : case 2 : case 3 : /* CTRIA1 , CTRIA2, CTRIA3 : lineaire */
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gest->is_qua = FAUX ;
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break ;
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case 6 :
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gest->is_qua = VRAI ;/* CTRIA6 */
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break ;
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| 223 |
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default :
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| 224 |
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m3d_erreur(ERR_TYPE_ELE) ;
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| 225 |
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*ierr = VRAI ;
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| 226 |
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return ;
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| 227 |
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}
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| 228 |
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(*nb_ele) = (*nb_ele) + 1 ;
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| 229 |
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}
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| 230 |
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}
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| 231 |
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if (*nb_ele == 0)
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| 232 |
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{
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| 233 |
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m3d_erreur(ERR_FORMAT);
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| 234 |
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*ierr = VRAI ;
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| 235 |
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return ;
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| 236 |
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}
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| 237 |
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| 238 |
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rewind(stream) ;
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| 239 |
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/* mailles lineaires */
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| 240 |
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i = 0 ;
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| 241 |
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if (gest->is_qua == FAUX)
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| 242 |
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{
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| 243 |
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while (fgets(line,MAX_LINE,stream))
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| 244 |
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{
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| 245 |
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tabel[0] = 0 ;
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| 246 |
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strncat(tabel,line,5) ;
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| 247 |
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if (!strcmp (tabel,"CTRIA"))
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| 248 |
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{
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| 249 |
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tabel[0] = 0 ;
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| 250 |
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strncat(tabel,line+6,1) ;
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| 251 |
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if (!strcmp (tabel," "))
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| 252 |
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{
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| 253 |
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tabel[0] = 0 ;
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| 254 |
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strncat(tabel,line+24,8) ;
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| 255 |
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numele[3*i] = corresp[atoi(tabel)] ;
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| 256 |
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tabel[0] = 0 ;
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| 257 |
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strncat(tabel,line+32,8) ;
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| 258 |
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numele[3*i+1] = corresp[atoi(tabel)] ;
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| 259 |
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tabel[0] = 0 ;
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| 260 |
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strncat(tabel,line+40,8) ;
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| 261 |
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numele[3*i+2] = corresp[atoi(tabel)] ;
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| 262 |
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i++ ;
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| 263 |
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}
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| 264 |
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if (!strcmp (tabel,"*" ))/* large */
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| 265 |
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{
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| 266 |
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tabel[0] = 0 ;
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| 267 |
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strncat(tabel,line+40,16) ;
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| 268 |
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numele[3*i] = corresp[atoi(tabel)] ;
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| 269 |
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tabel[0] = 0 ;
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| 270 |
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strncat(tabel,line+56,16) ;
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| 271 |
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numele[3*i+1] = corresp[atoi(tabel)] ;
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| 272 |
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/* passer a la ligne suivante */
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| 273 |
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if (!fgets(line,MAX_LINE,stream))
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| 274 |
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{
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| 275 |
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m3d_erreur(ERR_FORMAT);
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| 276 |
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*ierr = VRAI ;
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| 277 |
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return ;
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| 278 |
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}
|
| 279 |
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tabel[0] = 0 ;
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| 280 |
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strncat(tabel,line+8,16) ;
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| 281 |
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numele[3*i+2] = corresp[atoi(tabel)] ;
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| 282 |
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i++ ;
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| 283 |
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}
|
| 284 |
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}
|
| 285 |
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}
|
| 286 |
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}
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| 287 |
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else /* mailles quadratiques */
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| 288 |
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{
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| 289 |
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/* tableau des coordonnees des noeuds quadratiques,
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| 290 |
|
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le maillage se fait evidemment en lineaire puis on fait un simple
|
| 291 |
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post-traitement */
|
| 292 |
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|
| 293 |
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/* lecture des noeuds ->on remplit coord2 */
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| 294 |
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gest->coord2 = (float*)calloc(3*(*nb_noeud),sizeof(float)) ;
|
| 295 |
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if (gest->coord2 == NULL)
|
| 296 |
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{
|
| 297 |
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m3d_erreur(ERR_ALLOC) ;
|
| 298 |
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*ierr = VRAI ;
|
| 299 |
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return ;
|
| 300 |
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}
|
| 301 |
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coord2 = gest->coord2 ;
|
| 302 |
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/* si tablin[i] = VRAI le noeud est un noeud du maillage (sommet de triangle) */
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| 303 |
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gest->tablin = (int*)calloc((*nb_noeud)+1,sizeof(int)) ;
|
| 304 |
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/* les noeuds sont ils des noeuds du maillage */
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| 305 |
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if (gest->tablin == NULL)
|
| 306 |
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{
|
| 307 |
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m3d_erreur(ERR_ALLOC) ;
|
| 308 |
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*ierr = VRAI ;
|
| 309 |
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return ;
|
| 310 |
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}
|
| 311 |
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tablin = gest->tablin ;
|
| 312 |
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for (i=0;i<=*nb_noeud;i++) tablin[i] = VRAI ;
|
| 313 |
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gest->neww = (int*)calloc((*nb_noeud)+1,sizeof(int)) ;
|
| 314 |
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if (gest->neww == NULL)
|
| 315 |
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{
|
| 316 |
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m3d_erreur(ERR_ALLOC) ;
|
| 317 |
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*ierr = VRAI ;
|
| 318 |
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return ;
|
| 319 |
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}
|
| 320 |
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neww = gest->neww ;
|
| 321 |
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gest->old = (int*)calloc((*nb_noeud)+1,sizeof(int)) ;
|
| 322 |
|
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if (gest->old == NULL)
|
| 323 |
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{
|
| 324 |
|
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m3d_erreur(ERR_ALLOC) ;
|
| 325 |
|
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*ierr = VRAI ;
|
| 326 |
|
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return ;
|
| 327 |
|
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}
|
| 328 |
|
|
old = gest->old ;
|
| 329 |
|
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gest->nb_noe_qua = *nb_noeud ;
|
| 330 |
|
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/* transfert */
|
| 331 |
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for (i=0;i<3 *(*nb_noeud);i++) coord2[i] = coord[i] ;
|
| 332 |
|
|
|
| 333 |
|
|
/* on a rempli le tableau des noeuds quadratiques */
|
| 334 |
|
|
/* parcours des elements gestions des noeuds quadratiques */
|
| 335 |
|
|
/* reperer les numeros de noeuds quadratiques */
|
| 336 |
|
|
|
| 337 |
|
|
gest->numele2 = (int*)calloc(6 * (*nb_ele),sizeof(int)) ;
|
| 338 |
|
|
if (gest->numele2 == NULL)
|
| 339 |
|
|
{
|
| 340 |
|
|
m3d_erreur(ERR_ALLOC) ;
|
| 341 |
|
|
*ierr = VRAI ;
|
| 342 |
|
|
return ;
|
| 343 |
|
|
}
|
| 344 |
|
|
numele2 = gest->numele2 ;
|
| 345 |
|
|
/* numele2 contient le maillage quadratique de la peau */
|
| 346 |
|
|
i = 0 ;
|
| 347 |
|
|
while (fgets(line,MAX_LINE,stream))
|
| 348 |
|
|
{
|
| 349 |
|
|
tabel[0] = 0 ;
|
| 350 |
|
|
strncat(tabel,line,5) ;
|
| 351 |
|
|
if (!strcmp (tabel,"CTRIA"))
|
| 352 |
|
|
{
|
| 353 |
|
|
tabel[0] = 0 ;
|
| 354 |
|
|
strncat(tabel,line+6,1) ;
|
| 355 |
|
|
if (!strcmp (tabel," "))/* small */
|
| 356 |
|
|
{
|
| 357 |
|
|
/* noeud 1 */
|
| 358 |
|
|
tabel[0] = 0 ;
|
| 359 |
|
|
strncat(tabel,line+24,8) ;
|
| 360 |
|
|
numele[3*i] = corresp[atoi(tabel)] ;
|
| 361 |
|
|
numele2[6*i] = numele[3*i] ;
|
| 362 |
|
|
|
| 363 |
|
|
/* noeud 2 */
|
| 364 |
|
|
tabel[0] = 0 ;
|
| 365 |
|
|
strncat(tabel,line+32,8) ;
|
| 366 |
|
|
numele[3*i+1] = corresp[atoi(tabel)] ;
|
| 367 |
|
|
numele2[6*i+2] = numele[3*i+1] ;
|
| 368 |
|
|
|
| 369 |
|
|
/* noeud 3 */
|
| 370 |
|
|
tabel[0] = 0 ;
|
| 371 |
|
|
strncat(tabel,line+40,8) ;
|
| 372 |
|
|
numele[3*i+2] = corresp[atoi(tabel)] ;
|
| 373 |
|
|
numele2[6*i+4] = numele[3*i+2] ;
|
| 374 |
|
|
|
| 375 |
|
|
/* noeud 4 = noeud milieu d'arete */
|
| 376 |
|
|
tabel[0] = 0 ;
|
| 377 |
|
|
strncat(tabel,line+48,8) ;
|
| 378 |
|
|
numele2[6*i+1] = corresp[atoi(tabel)] ;
|
| 379 |
|
|
tablin[corresp[atoi(tabel)]] = FAUX ;
|
| 380 |
|
|
|
| 381 |
|
|
/* noeud 5 = noeud milieu d'arete */
|
| 382 |
|
|
tabel[0] = 0 ;
|
| 383 |
|
|
strncat(tabel,line+56,8) ;
|
| 384 |
|
|
numele2[6*i+3] = corresp[atoi(tabel)] ;
|
| 385 |
|
|
tablin[corresp[atoi(tabel)]] = FAUX ;
|
| 386 |
|
|
|
| 387 |
|
|
/* noeud 6 = noeud milieu d'arete */
|
| 388 |
|
|
tabel[0] = 0 ;
|
| 389 |
|
|
strncat(tabel,line+64,8) ;
|
| 390 |
|
|
numele2[6*i+5] = corresp[atoi(tabel)] ;
|
| 391 |
|
|
tablin[corresp[atoi(tabel)]] = FAUX ;
|
| 392 |
|
|
i++ ;
|
| 393 |
|
|
}
|
| 394 |
|
|
if (!strcmp (tabel,"*" ))/* large */
|
| 395 |
|
|
{
|
| 396 |
|
|
/* noeud 1 */
|
| 397 |
|
|
tabel[0] = 0 ;
|
| 398 |
|
|
strncat(tabel,line+40,16) ;
|
| 399 |
|
|
numele[3*i] = corresp[atoi(tabel)] ;
|
| 400 |
|
|
numele2[6*i] = numele[3*i] ;
|
| 401 |
|
|
|
| 402 |
|
|
/* noeud 2 */
|
| 403 |
|
|
tabel[0] = 0 ;
|
| 404 |
|
|
strncat(tabel,line+56,16) ;
|
| 405 |
|
|
numele[3*i+1] = corresp[atoi(tabel)] ;
|
| 406 |
|
|
numele2[6*i+2] = numele[3*i+1] ;
|
| 407 |
|
|
|
| 408 |
|
|
/* passer a la ligne suivante */
|
| 409 |
|
|
if (!fgets(line,MAX_LINE,stream))
|
| 410 |
|
|
{
|
| 411 |
|
|
m3d_erreur(ERR_FORMAT) ;
|
| 412 |
|
|
*ierr = VRAI ;
|
| 413 |
|
|
return ;
|
| 414 |
|
|
}
|
| 415 |
|
|
/* noeud 3 */
|
| 416 |
|
|
tabel[0] = 0 ;
|
| 417 |
|
|
strncat(tabel,line+8,16) ;
|
| 418 |
|
|
numele[3*i+2] = corresp[atoi(tabel)] ;
|
| 419 |
|
|
numele2[6*i+4] = numele[3*i+2] ;
|
| 420 |
|
|
|
| 421 |
|
|
/* noeud 4 = noeud milieu d'arete */
|
| 422 |
|
|
tabel[0] = 0 ;
|
| 423 |
|
|
strncat(tabel,line+24,16) ;
|
| 424 |
|
|
numele2[6*i+1] = corresp[atoi(tabel)] ;
|
| 425 |
|
|
tablin[corresp[atoi(tabel)]] = FAUX ;
|
| 426 |
|
|
|
| 427 |
|
|
/* noeud 5 = noeud milieu d'arete */
|
| 428 |
|
|
tabel[0] = 0 ;
|
| 429 |
|
|
strncat(tabel,line+40,16) ;
|
| 430 |
|
|
numele2[6*i+3] = corresp[atoi(tabel)] ;
|
| 431 |
|
|
tablin[corresp[atoi(tabel)]] = FAUX ;
|
| 432 |
|
|
|
| 433 |
|
|
/* noeud 6 = noeud milieu d'arete */
|
| 434 |
|
|
tabel[0] = 0 ;
|
| 435 |
|
|
strncat(tabel,line+56,16) ;
|
| 436 |
|
|
numele2[6*i+5] = corresp[atoi(tabel)] ;
|
| 437 |
|
|
tablin[corresp[atoi(tabel)]] = FAUX ;
|
| 438 |
|
|
i++ ;
|
| 439 |
|
|
}
|
| 440 |
|
|
}
|
| 441 |
|
|
}
|
| 442 |
|
|
|
| 443 |
|
|
/* parcours du tableau des coordonnees coord2 */
|
| 444 |
|
|
*nb_noeud = 0 ;
|
| 445 |
|
|
for (i=1;i<=gest->nb_noe_qua;i++)/* numeros fortran */
|
| 446 |
|
|
{
|
| 447 |
|
|
if (tablin[i]==VRAI)
|
| 448 |
|
|
{
|
| 449 |
|
|
coord[x(*nb_noeud)] = coord2[x(i-1)] ;
|
| 450 |
|
|
coord[y(*nb_noeud)] = coord2[y(i-1)] ;
|
| 451 |
|
|
coord[z(*nb_noeud)] = coord2[z(i-1)] ;
|
| 452 |
|
|
*nb_noeud = *nb_noeud + 1 ;
|
| 453 |
|
|
/* correspondance */
|
| 454 |
|
|
neww[i] = *nb_noeud ;
|
| 455 |
|
|
old[*nb_noeud] = i ;
|
| 456 |
|
|
}
|
| 457 |
|
|
}
|
| 458 |
|
|
/* renumerotation des elements */
|
| 459 |
|
|
for (i=0;i<*nb_ele;i++)/* numeros fortran */
|
| 460 |
|
|
{
|
| 461 |
|
|
numele[3*i] = neww[numele[3*i]] ;
|
| 462 |
|
|
numele[3*i+1] = neww[numele[3*i+1]] ;
|
| 463 |
|
|
numele[3*i+2] = neww[numele[3*i+2]] ;
|
| 464 |
|
|
}
|
| 465 |
|
|
}
|
| 466 |
|
|
fclose(stream) ;
|
| 467 |
|
|
free(corresp) ;
|
| 468 |
|
|
return ;
|
| 469 |
|
|
}
|
| 470 |
|
|
|
| 471 |
|
|
|
| 472 |
|
|
|
