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/*****************************************************************
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r3d_gene_segment.c Type:Func
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Generation des mailles 1D
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Date de creation : Fri Aug 1 10:23:49 1997
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Derniere version : Tue Aug 5 13:36:13 1997
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Vincent FRANCOIS
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*****************************************************************/
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/**************************/
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/* include */
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#include <stdio.h>
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#include <string.h>
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#include <math.h>
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#include <stdlib.h>
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#include "const.h"
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#include "memoire.h"
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#include "struct.h"
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#include "prototype.h"
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/**************************/
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/* variables globales */
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extern struct environnement env;
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extern struct s_mesh *mesh;
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extern struct s_maillage *maillage;
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extern struct s_acis *acis;
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/**************************/
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/* programme principal */
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void r3d_gene_segment(struct s_octree **liste ,int nb_liste)
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{
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int i,j,num;
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float vec[4];
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struct s_mnoeud *mno1,*mno2;
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struct s_noeud *no1,*no2;
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struct s_msegment *mseg;
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struct s_segment *seg;
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struct s_vertex *vertex1,*vertex2;
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struct s_edge *edge;
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for (i=0;i<maillage->nb_msegment;i++)
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{
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mseg=ADRESSE(i,msegment,maillage->);
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mno1=ADRESSE(mseg->n1,mnoeud,maillage->);
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mno2=ADRESSE(mseg->n2,mnoeud,maillage->);
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if ((mno1->etat==GARDE)&&(mno2->etat==GARDE))
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{
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NEW_ENTITE(seg,segment,mesh->);
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seg->n1=r3d_gene_noeud(mno1,liste,nb_liste);
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seg->n2=r3d_gene_noeud(mno2,liste,nb_liste);
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seg->num=mesh->nb_segment-1;
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seg->type=EDGE;
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no1=ADRESSE(seg->n1,noeud,mesh->);
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no2=ADRESSE(seg->n2,noeud,mesh->);
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VEC(vec,no1,no2);
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seg->longueur=(float)sqrt((double)PSCA(vec,vec));
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if (no1->type==EDGE) seg->num_ent=no1->num_ent;
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else if (no2->type==EDGE) seg->num_ent=no2->num_ent;
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else
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{
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vertex1=(struct s_vertex *)acis->entity[no1->num_ent];
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vertex2=(struct s_vertex *)acis->entity[no2->num_ent];
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for (j=0;j<vertex1->nb_edge;j++)
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if ((vertex1->edge[j]->start_vertex==vertex2)||(vertex1->edge[j]->end_vertex==vertex2))
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seg->num_ent=vertex1->edge[j]->num;
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}
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edge=(struct s_edge *)acis->entity[seg->num_ent];
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NEW_POINTEUR(num,segment,edge->);
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edge->segment[num]=seg;
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NEW_POINTEUR(num,segment,no1->);
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no1->segment[num]=seg;
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NEW_POINTEUR(num,segment,no2->);
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no2->segment[num]=seg;
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}
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}
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}
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