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/*****************************************************************
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m2d_i_tringle.c Type:Func
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Insertion d un nouveau triangle
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Date de creation : Wed Feb 26 15:41:50 1997
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Derniere version : Wed Jul 2 17:11:02 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 <stdlib.h>
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#include <math.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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/**************************/
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/* programme principal */
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void m2d_i_triangle(struct s_face *face,int n1,int n2,int n3,int origine)
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{
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struct s_triangle *ac_tri;
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struct s_noeud *no1,*no2,*no3;
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struct s_segment *seg;
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int num,i,j,ok,npetit;
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NEW_ENTITE(ac_tri,triangle,mesh->);
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ac_tri->num=mesh->nb_triangle-1;
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ac_tri->n1=n1;
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ac_tri->n2=n2;
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ac_tri->n3=n3;
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ac_tri->crit=m2d_cal_qual(n1,n2,n3);
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ac_tri->type=FACE;
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ac_tri->num_ent=face->num;
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ac_tri->origine=origine;
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ac_tri->creation=CONSTRUIT;
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if (mesh->nb_triangle==1)
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{
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mesh->critmin=ac_tri->crit;
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mesh->critmax=ac_tri->crit;
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mesh->critmoy=0.;
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mesh->tabcrit[0]=0;
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mesh->tabcrit[1]=0;
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mesh->tabcrit[2]=0;
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mesh->tabcrit[3]=0;
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}
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mesh->critmoy=mesh->critmoy+ac_tri->crit;
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if (mesh->critmin>ac_tri->crit) mesh->critmin=ac_tri->crit;
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if (mesh->critmax<ac_tri->crit) mesh->critmax=ac_tri->crit;
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if (ac_tri->crit>0.75) mesh->tabcrit[3]++;
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else if (ac_tri->crit>0.5) mesh->tabcrit[2]++;
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else if (ac_tri->crit>0.25) mesh->tabcrit[1]++;
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else mesh->tabcrit[0]++;
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no1=ADRESSE(n1,noeud,mesh->);
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NEW_POINTEUR(num,triangle,no1->);
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no1->triangle[num]=ac_tri;
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no2=ADRESSE(n2,noeud,mesh->);
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NEW_POINTEUR(num,triangle,no2->);
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no2->triangle[num]=ac_tri;
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no3=ADRESSE(n3,noeud,mesh->);
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NEW_POINTEUR(num,triangle,no3->);
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no3->triangle[num]=ac_tri;
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NEW_POINTEUR(num,triangle,face->);
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face->triangle[num]=ac_tri;
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o2d_ord_tri(ac_tri);
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MINI(npetit,n1,n2);
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MINI(npetit,npetit,n3);
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no1=ADRESSE(npetit,noeud,mesh->);
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if (no1->tete_tri_petit==NULL)
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{
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no1->tete_tri_petit=ac_tri;
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no1->queue_tri_petit=ac_tri;
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}
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else
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{
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no1->queue_tri_petit->suiv=ac_tri;
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no1->queue_tri_petit=ac_tri;
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}
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/* liaison triangle segment */
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/* segment n1 n2 */
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ok=0;i=0;
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while ((i<no1->nb_segment) && (ok==0))
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{
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j=0;
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while ( (j<no2->nb_segment) && (ok==0))
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{
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if (no1->segment[i]==no2->segment[j])
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{
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ok=1;
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seg=no1->segment[i];
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}
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j++;
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}
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i++;
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}
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ac_tri->segment[0]=seg;
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/* segment n1 n3 */
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ok=0;i=0;
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while ((i<no1->nb_segment) && (ok==0))
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{
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j=0;
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while ( (j<no3->nb_segment) && (ok==0))
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{
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if (no1->segment[i]==no3->segment[j])
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{
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ok=1;
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seg=no1->segment[i];
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}
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j++;
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}
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i++;
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}
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ac_tri->segment[1]=seg;
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/* segment n3 n2 */
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ok=0;i=0;
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while ((i<no2->nb_segment) && (ok==0))
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{
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j=0;
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while ( (j<no3->nb_segment) && (ok==0))
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{
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if (no2->segment[i]==no3->segment[j])
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{
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ok=1;
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seg=no2->segment[i];
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}
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j++;
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}
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i++;
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}
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ac_tri->segment[2]=seg;
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}
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