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/*****************************************************************
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o2d.c Type:Func
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optimisation de maillage 2d
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Date de creation : Tue May 27 09:54:25 1997
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Derniere version : Tue May 27 09:54:25 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 "const.h"
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#include "struct.h"
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#include "memoire.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 o2d(struct s_face *face)
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{
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struct s_triangle *tri;
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struct s_noeud *no[3];
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float tab[4],x[4],y[4],z[4],u[4],v[4];
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int ierr,fin,numero,i;
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/* phase 1 : qualite croissante */
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if (mesh->tete_triangle==NULL) return;
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fin=0;
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while (fin==0)
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{
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voir();
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tri=mesh->tete_triangle;
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if (tri->crit<env.opti*1./10)
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{
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no[0]=ADRESSE(tri->n1,noeud,mesh->);
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no[1]=ADRESSE(tri->n2,noeud,mesh->);
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no[2]=ADRESSE(tri->n3,noeud,mesh->);
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ierr=o2d_opt_point(face,no[0],&tab[0],&u[0],&v[0],&x[0],&y[0],&z[0]);
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if (ierr==0) tab[0]=0.;
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ierr=o2d_opt_point(face,no[1],&tab[1],&u[1],&v[1],&x[1],&y[1],&z[1]);
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if (ierr==0) tab[1]=0.;
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ierr=o2d_opt_point(face,no[2],&tab[2],&u[2],&v[2],&x[2],&y[2],&z[2]);
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if (ierr==0) tab[2]=0.;
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MAXI(tab[3],tab[0],tab[1]);
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MAXI(tab[3],tab[3],tab[2]);
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if (tab[3]<tri->crit)
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tri->opt=(-1);
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else
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{
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if (tab[3]==tab[0]) numero=0;
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if (tab[3]==tab[1]) numero=1;
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if (tab[3]==tab[2]) numero=2;
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tri->opt=1;
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no[numero]->x=x[numero];
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no[numero]->y=y[numero];
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no[numero]->z=z[numero];
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no[numero]->u=u[numero];
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no[numero]->v=v[numero];
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for (i=0;i<no[numero]->nb_triangle;i++)
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no[numero]->triangle[i]->crit=m2d_cal_qual(no[numero]->triangle[i]->n1,no[numero]->triangle[i]->n2,no[numero]->triangle[i]->n3);
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}
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}
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mesh->tete_triangle=tri->suivant;
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if (mesh->tete_triangle==NULL) fin=1;
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else
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{
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tri->suivant->precedent=NULL;
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tri->suivant=NULL;
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}
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o2d_ord_tri2(tri);
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}
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/* phase 2 : qualite decroissante */
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fin=0;
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while (fin==0)
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{
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voir();
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tri=mesh->tete_triangle2;
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if (tri->crit<env.opti*1./10)
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{
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no[0]=ADRESSE(tri->n1,noeud,mesh->);
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no[1]=ADRESSE(tri->n2,noeud,mesh->);
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no[2]=ADRESSE(tri->n3,noeud,mesh->);
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ierr=o2d_opt_point(face,no[0],&tab[0],&u[0],&v[0],&x[0],&y[0],&z[0]);
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if (ierr==0) tab[0]=0.;
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ierr=o2d_opt_point(face,no[1],&tab[1],&u[1],&v[1],&x[1],&y[1],&z[1]);
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if (ierr==0) tab[1]=0.;
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ierr=o2d_opt_point(face,no[2],&tab[2],&u[2],&v[2],&x[2],&y[2],&z[2]);
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if (ierr==0) tab[2]=0.;
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MAXI(tab[3],tab[0],tab[1]);
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MAXI(tab[3],tab[3],tab[2]);
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if (tab[3]<tri->crit)
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tri->opt=(-1);
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else
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{
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if (tab[3]==tab[0]) numero=0;
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if (tab[3]==tab[1]) numero=1;
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if (tab[3]==tab[2]) numero=2;
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tri->opt=1;
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no[numero]->x=x[numero];
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no[numero]->y=y[numero];
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no[numero]->z=z[numero];
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no[numero]->u=u[numero];
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no[numero]->v=v[numero];
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for (i=0;i<no[numero]->nb_triangle;i++)
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no[numero]->triangle[i]->crit=m2d_cal_qual(no[numero]->triangle[i]->n1,no[numero]->triangle[i]->n2,no[numero]->triangle[i]->n3);
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}
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}
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mesh->tete_triangle2=tri->suivant;
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if (mesh->tete_triangle2==NULL) fin=1;
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else
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{
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tri->suivant->precedent=NULL;
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tri->suivant=NULL;
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}
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}
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}
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