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francois |
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#include "mailleur_stl.h" |
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#include "mg_maillage.h" |
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#include "tpl_fonctions_generiques.h" |
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#include "fct_taille.h" |
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#include <tpl_map_entite.h> |
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#include <mg_maillage_outils.h> |
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#include <fct_taille_fem_solution_generateur_gradient.h> |
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MAILLEUR_STL::MAILLEUR_STL(MG_MAILLAGE* maiori, MG_GESTIONNAIRE* gt, FCT_TAILLE* carte,double limite,double angle1,double angle2):MAILLEUR(false),maiin(maiori),gest(gt),metrique(carte),limite_discretisation(limite),angle_arete(angle1),angle_limite(angle2),pas(4),nx(25),ny(25),nz(25),qualmaxaopt(0.5),nbcoucheopt(1) |
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{ |
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} |
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MAILLEUR_STL::MAILLEUR_STL(MAILLEUR_STL& mdd):MAILLEUR(mdd),maiin(mdd.maiin),mai(mdd.mai),metrique(mdd.metrique),pas(mdd.pas),angle_arete(mdd.angle_arete),angle_limite(mdd.angle_limite),limite_discretisation(mdd.limite_discretisation),nx(mdd.nx),ny(mdd.ny),nz(mdd.nz),qualmaxaopt(mdd.qualmaxaopt),nbcoucheopt(mdd.nbcoucheopt) |
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{ |
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} |
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MAILLEUR_STL::~MAILLEUR_STL() |
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{ |
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delete gesttmp; |
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} |
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int MAILLEUR_STL::maille(class MG_GROUPE_TOPOLOGIQUE* mggt) |
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{ |
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affiche((char*)" Parametre du mailleur"); |
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char mess[255]; |
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sprintf(mess,(char*)" Ratio limite de discrétisation = %f",limite_discretisation); |
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affiche(mess); |
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sprintf(mess,(char*)" Ratio limite angle arete = %f",angle_arete); |
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affiche(mess); |
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sprintf(mess,(char*)" Ratio limite angle de la cavité de Delaunay = %f",angle_limite); |
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affiche(mess); |
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affiche((char*)" Duplication du maillage original"); |
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//mai=maiin->dupliquer(gest); |
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mai=maiin->detacher(gest); |
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francois |
1083 |
affiche((char*)" Vérification de la conformité du maillage"); |
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verification_conformite(); |
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francois |
1082 |
affiche((char*)" Adaptation de la carte de taille"); |
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adapte_carte(); |
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francois |
1083 |
affiche((char*)" Determination des arêtes"); |
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determine_arete(); |
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francois |
1082 |
affiche((char*)" Prepartion de la projection"); |
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prepare_projection(); |
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affiche((char*)" Maillage"); |
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cree_maillage(); |
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affiche((char*)" Optimisation de maillage"); |
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int oldnb=mai->get_nb_mg_triangle(); |
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for (int i=0;i<nbcoucheopt;i++) |
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{ |
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sprintf(mess," Passe numero %d",i+1); |
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affiche(mess); |
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int nb=optimise_maillage(); |
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if ((nb==1)||(nb==oldnb)) i=nbcoucheopt; |
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oldnb=nb; |
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} |
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return OK; |
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} |
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francois |
1083 |
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void MAILLEUR_STL::verification_conformite() |
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{ |
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TPL_MAP_ENTITE<MG_TRIANGLE*> listtriverifie; |
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TPL_LISTE_ENTITE<MG_TRIANGLE*> listtriverifieseq; |
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MG_TRIANGLE* tri=mai->get_mg_triangle(0); |
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listtriverifie.ajouter(tri); |
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listtriverifieseq.ajouter(tri); |
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int i=0; |
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int nbcorrection=0; |
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while (listtriverifie.get_nb()!=mai->get_nb_mg_triangle()) |
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{ |
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MG_TRIANGLE* tri=listtriverifieseq.get(i); |
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MG_SEGMENT *lstseg[3]; |
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lstseg[0]=tri->get_segment1(); |
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lstseg[1]=tri->get_segment2(); |
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lstseg[2]=tri->get_segment3(); |
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for (int j=0;j<3;j++) |
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{ |
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MG_SEGMENT* seg=lstseg[j]; |
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MG_TRIANGLE *tri1=seg->get_lien_triangle()->get(0); |
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MG_TRIANGLE *tri2=seg->get_lien_triangle()->get(1); |
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if (tri1!=tri) |
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{ |
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tri2=tri1; |
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tri1=tri; |
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} |
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francois |
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if (tri2==NULL) continue; |
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francois |
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MG_NOEUD* no1=seg->get_noeud1(); |
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MG_NOEUD* no2=seg->get_noeud2(); |
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int sens1=-1; |
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if ((no1==tri1->get_noeud1()) && (no2==tri1->get_noeud2())) sens1=1; |
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if ((no1==tri1->get_noeud2()) && (no2==tri1->get_noeud3())) sens1=1; |
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if ((no1==tri1->get_noeud3()) && (no2==tri1->get_noeud1())) sens1=1; |
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int sens2=-1; |
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if ((no1==tri2->get_noeud1()) && (no2==tri2->get_noeud2())) sens2=1; |
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if ((no1==tri2->get_noeud2()) && (no2==tri2->get_noeud3())) sens2=1; |
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if ((no1==tri2->get_noeud3()) && (no2==tri2->get_noeud1())) sens2=1; |
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if (sens1*sens2>0) |
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{ |
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tri2->inverse_sens(); |
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nbcorrection++; |
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} |
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int nblistavant=listtriverifie.get_nb(); |
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listtriverifie.ajouter(tri2); |
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if (listtriverifie.get_nb()!=nblistavant) |
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listtriverifieseq.ajouter(tri2); |
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} |
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i++; |
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} |
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char mess[200]; |
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if (nbcorrection!=0) sprintf(mess," Inversion de triangle %d",nbcorrection); |
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else sprintf(mess," Maillage conforme"); |
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affiche(mess); |
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} |
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francois |
1082 |
int MAILLEUR_STL::optimise_maillage(void) |
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{ |
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std::multimap<double,MG_TRIANGLE*> lsttriaopt; |
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LISTE_MG_TRIANGLE::iterator it; |
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for (MG_TRIANGLE* tri=mai->get_premier_triangle(it);tri!=NULL;tri=mai->get_suivant_triangle(it)) |
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{ |
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double val=OPERATEUR::qualite_triangle(tri->get_noeud1()->get_coord(),tri->get_noeud2()->get_coord(),tri->get_noeud3()->get_coord()); |
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lsttriaopt.insert(std::pair<double,MG_TRIANGLE*>(val,tri)); |
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tri->change_solution(val); |
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} |
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int ok=0; |
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int compteur_iter=0; |
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do |
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{ |
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compteur_iter++; |
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if (lsttriaopt.begin()->first<qualmaxaopt) |
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{ |
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MG_TRIANGLE *tri=lsttriaopt.begin()->second; |
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double crit1,crit2,crit3; |
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double x1,y1,z1; |
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double x2,y2,z2; |
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double x3,y3,z3; |
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int res1=bouge_point(tri->get_noeud1(),crit1,x1,y1,z1); |
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int res2=bouge_point(tri->get_noeud2(),crit2,x2,y2,z2); |
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int res3=bouge_point(tri->get_noeud3(),crit3,x3,y3,z3); |
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double critmax=0; |
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double nvx,nvy,nvz; |
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MG_NOEUD* nno; |
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if (res1==1) |
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if (crit1>critmax) |
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{critmax=crit1;nvx=x1;nvy=y1;nvz=z1;nno=tri->get_noeud1();} |
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if (res2==1) |
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if (crit2>critmax) |
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{critmax=crit2;nvx=x2;nvy=y2;nvz=z2;nno=tri->get_noeud2();} |
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if (res3==1) |
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if (crit3>critmax) |
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{critmax=crit3;nvx=x3;nvy=y3;nvz=z3;nno=tri->get_noeud3();} |
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if (critmax>lsttriaopt.begin()->first) |
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{ |
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projete_point_sur_triangulation(nvx,nvy,nvz,nvx,nvy,nvz); |
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nno->change_x(nvx); |
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nno->change_y(nvy); |
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nno->change_z(nvz); |
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for (int i=0;i<nno->get_lien_triangle()->get_nb();i++) |
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{ |
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MG_TRIANGLE* tri=nno->get_lien_triangle()->get(i); |
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double *xyz1=tri->get_noeud1()->get_coord(); |
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double *xyz2=tri->get_noeud2()->get_coord(); |
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double *xyz3=tri->get_noeud3()->get_coord(); |
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double val=OPERATEUR::qualite_triangle(xyz1,xyz2,xyz3); |
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std::multimap<double,MG_TRIANGLE*>:: iterator it=lsttriaopt.lower_bound(tri->get_solution()); |
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int trouve=0; |
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while (trouve==0) |
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if (it->first>tri->get_solution()) trouve=-1; |
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else if (it->second==tri) trouve=1; |
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else it++; |
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if (trouve==1) lsttriaopt.erase(it); |
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//lsttriaopt.insert(std::pair<double,MG_TRIANGLE*>(val,tri)); |
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//tri->change_solution(val); |
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} |
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} |
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else lsttriaopt.erase(lsttriaopt.begin()); |
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} |
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else |
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ok=1; |
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} |
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while (ok==0); |
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char chaine[500]; |
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sprintf(chaine," %d iterations effectuées",compteur_iter); |
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affiche(chaine); |
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return(compteur_iter); |
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} |
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void MAILLEUR_STL::adapte_carte(void) |
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{ |
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LISTE_MG_SEGMENT::iterator it; |
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std::vector<double> lstraf; |
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for (MG_SEGMENT* seg=mai->get_premier_segment(it);seg!=NULL;seg=mai->get_suivant_segment(it)) |
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{ |
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double val=metrique->calcul_distance_metrique(seg,pas); |
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if (val<1.) |
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{ |
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double l=seg->get_longueur()/limite_discretisation/1.01; |
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double *xyz=seg->get_noeud1()->get_coord(); |
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lstraf.push_back(xyz[0]); |
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lstraf.push_back(xyz[1]); |
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lstraf.push_back(xyz[2]); |
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lstraf.push_back(l); |
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xyz=seg->get_noeud2()->get_coord(); |
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lstraf.push_back(xyz[0]); |
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lstraf.push_back(xyz[1]); |
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lstraf.push_back(xyz[2]); |
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lstraf.push_back(l); |
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} |
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} |
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gesttmp=new MG_GESTIONNAIRE(); |
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FCT_TAILLE_FEM_SOLUTION_GENERATEUR_GRADIENT* metriquetmp=new FCT_TAILLE_FEM_SOLUTION_GENERATEUR_GRADIENT(gesttmp,mai,metrique,2,nx,ny,nz,(char*)"carteadapte.sol",lstraf); |
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metriquetmp->construit(); |
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metrique2=metrique; |
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metrique=metriquetmp; |
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} |
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void MAILLEUR_STL::prepare_projection() |
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{ |
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LISTE_MG_NOEUD::iterator it; |
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MG_NOEUD* no=maiin->get_premier_noeud(it); |
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BOITE_3D boite(no->get_boite_3D()); |
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TPL_LISTE_ENTITE<MG_NOEUD*> lstini; |
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for (MG_NOEUD* no=maiin->get_premier_noeud(it);no!=NULL;no=maiin->get_suivant_noeud(it)) |
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{ |
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boite=no->get_boite_3D()+boite; |
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lstini.ajouter(no); |
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} |
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boite.change_grosseur(1.2); |
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octree.initialiser(&lstini,1,boite.get_xmin(),boite.get_ymin(),boite.get_zmin(),boite.get_xmax(),boite.get_ymax(),boite.get_zmax()); |
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LISTE_MG_TRIANGLE::iterator itt; |
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for (MG_TRIANGLE* tri=maiin->get_premier_triangle(itt);tri!=NULL;tri=maiin->get_suivant_triangle(itt)) |
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octree.inserer(tri); |
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} |
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void MAILLEUR_STL::determine_arete(void) |
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{ |
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LISTE_MG_SEGMENT::iterator it; |
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int nbsegmentarete=0; |
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for (MG_SEGMENT* seg=mai->get_premier_segment(it);seg!=NULL;seg=mai->get_suivant_segment(it)) |
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{ |
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int nbtri=seg->get_lien_triangle()->get_nb(); |
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if (nbtri!=2) |
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{ |
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char chaine[500]; |
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sprintf(chaine," Maillage STL invalide : segment à %d voisin : noeud 1 %lu noeud 2 %lu ",nbtri,seg->get_noeud1()->get_id(),seg->get_noeud2()->get_id()); |
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affiche(chaine); |
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} |
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if (nbtri==2) |
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{ |
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MG_TRIANGLE *tri1=seg->get_lien_triangle()->get(0); |
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MG_TRIANGLE *tri2=seg->get_lien_triangle()->get(1); |
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double angle=get_angle_par_noeud<MG_NOEUD*>(tri1->get_noeud1(),tri1->get_noeud2(),tri1->get_noeud3(),tri2->get_noeud1(),tri2->get_noeud2(),tri2->get_noeud3()); |
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if ((angle<M_PI-angle_arete) || (angle > M_PI+angle_arete)) |
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{ |
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seg->change_origine(MAGIC::ORIGINE::TRIANGULATION_ARETEORIGINE); |
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seg->get_noeud1()->change_origine(MAGIC::ORIGINE::TRIANGULATION_ARETEORIGINE); |
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seg->get_noeud2()->change_origine(MAGIC::ORIGINE::TRIANGULATION_ARETEORIGINE); |
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nbsegmentarete++; |
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} |
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ajouter_seg_a_discretiser(seg); |
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} |
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} |
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char mess[255]; |
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sprintf(mess,(char*)" Nombre de segments aretes = %d",nbsegmentarete); |
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affiche(mess); |
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} |
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francois |
1083 |
void MAILLEUR_STL::valide_maillage(void) |
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{ |
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LISTE_MG_SEGMENT::iterator it; |
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for (MG_SEGMENT* seg=mai->get_premier_segment(it);seg!=NULL;seg=mai->get_suivant_segment(it)) |
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{ |
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int nbtri=seg->get_lien_triangle()->get_nb(); |
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if (nbtri!=2) |
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affiche((char*)" **** erreur **** un triangle n'a pas deux voisins"); |
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MG_TRIANGLE *tri1=seg->get_lien_triangle()->get(0); |
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MG_TRIANGLE *tri2=seg->get_lien_triangle()->get(1); |
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MG_NOEUD* no1=seg->get_noeud1(); |
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MG_NOEUD* no2=seg->get_noeud2(); |
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int sens1=-1; |
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if ((no1==tri1->get_noeud1()) && (no2==tri1->get_noeud2())) sens1=1; |
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if ((no1==tri1->get_noeud2()) && (no2==tri1->get_noeud3())) sens1=1; |
| 301 |
|
|
if ((no1==tri1->get_noeud3()) && (no2==tri1->get_noeud1())) sens1=1; |
| 302 |
|
|
int sens2=-1; |
| 303 |
|
|
if ((no1==tri2->get_noeud1()) && (no2==tri2->get_noeud2())) sens2=1; |
| 304 |
|
|
if ((no1==tri2->get_noeud2()) && (no2==tri2->get_noeud3())) sens2=1; |
| 305 |
|
|
if ((no1==tri2->get_noeud3()) && (no2==tri2->get_noeud1())) sens2=1; |
| 306 |
|
|
if (sens1*sens2>0) |
| 307 |
|
|
affiche((char*)" **** erreur **** un segment n'est pas pris dans chaque sens pour deux mailles vosines"); |
| 308 |
|
|
double xyz1[3]; |
| 309 |
|
|
double xyz2[3]; |
| 310 |
|
|
tri1->normal(xyz1); |
| 311 |
|
|
tri2->normal(xyz2); |
| 312 |
|
|
OT_VECTEUR_3D vec1(xyz1); |
| 313 |
|
|
OT_VECTEUR_3D vec2(xyz2); |
| 314 |
|
|
if (vec1*vec2<0) |
| 315 |
|
|
if (seg->get_origine()!=MAGIC::ORIGINE::TRIANGULATION_ARETEORIGINE) |
| 316 |
|
|
affiche((char*)" **** erreur **** deux triangles voisins n'ont pas la normal dans le meme sens"); |
| 317 |
|
|
|
| 318 |
|
|
|
| 319 |
|
|
} |
| 320 |
|
|
} |
| 321 |
|
|
|
| 322 |
|
|
|
| 323 |
|
|
|
| 324 |
francois |
1082 |
void MAILLEUR_STL::calcul_nouveau_noeud_et_etoile(MG_SEGMENT* seg,double& x, double& y, double& z,OT_VECTEUR_3D &normale, TPL_LISTE_ENTITE<MG_TRIANGLE*> &listuniquetri,std::map<unsigned long,std::pair<MG_SEGMENT*,int> > &lstsegment) |
| 325 |
|
|
{ |
| 326 |
|
|
MG_TRIANGLE *tri1=seg->get_lien_triangle()->get(0); |
| 327 |
|
|
MG_TRIANGLE *tri2=seg->get_lien_triangle()->get(1); |
| 328 |
|
|
double xyz1[3],xyz2[3]; |
| 329 |
|
|
tri1->normal(xyz1); |
| 330 |
|
|
tri2->normal(xyz2); |
| 331 |
|
|
OT_VECTEUR_3D nor1(xyz1); |
| 332 |
|
|
OT_VECTEUR_3D nor2(xyz2); |
| 333 |
|
|
normale=0.5*nor1+0.5*nor2; |
| 334 |
|
|
MG_NOEUD* no1=seg->get_noeud1(); |
| 335 |
|
|
MG_NOEUD* no2=seg->get_noeud2(); |
| 336 |
|
|
x=0.5*(no1->get_x()+no2->get_x()); |
| 337 |
|
|
y=0.5*(no1->get_y()+no2->get_y()); |
| 338 |
|
|
z=0.5*(no1->get_z()+no2->get_z()); |
| 339 |
|
|
listuniquetri.ajouter(tri1); |
| 340 |
|
|
listuniquetri.ajouter(tri2); |
| 341 |
|
|
for (int i=0;i<listuniquetri.get_nb();i++) |
| 342 |
|
|
{ |
| 343 |
|
|
MG_TRIANGLE* tri=listuniquetri.get(i); |
| 344 |
|
|
for (int cote=1;cote<4;cote++) |
| 345 |
|
|
{ |
| 346 |
|
|
MG_TRIANGLE* triv=get_voisin(tri,cote); |
| 347 |
|
|
if (!(listuniquetri.est_dans_la_liste(triv))) |
| 348 |
|
|
if (triv!=NULL) |
| 349 |
|
|
{ |
| 350 |
|
|
double xyzv[3]; |
| 351 |
|
|
triv->normal(xyzv); |
| 352 |
|
|
OT_VECTEUR_3D norv(xyzv); |
| 353 |
|
|
if (norv*normale>cos(angle_limite)) |
| 354 |
|
|
{ |
| 355 |
|
|
bool res=respecte_delaunay(x,y,z,triv); |
| 356 |
|
|
if (!res) |
| 357 |
|
|
listuniquetri.ajouter(triv); |
| 358 |
|
|
} |
| 359 |
|
|
} |
| 360 |
|
|
} |
| 361 |
|
|
|
| 362 |
|
|
|
| 363 |
|
|
|
| 364 |
|
|
} |
| 365 |
|
|
for (int i=0;i<listuniquetri.get_nb();i++) |
| 366 |
|
|
{ |
| 367 |
|
|
MG_TRIANGLE* tri=listuniquetri.get(i); |
| 368 |
|
|
std::map<unsigned long,std::pair<MG_SEGMENT*,int> >::iterator ptmp; |
| 369 |
|
|
MG_SEGMENT* seg=tri->get_segment1(); |
| 370 |
|
|
ptmp=lstsegment.find(seg->get_id()); |
| 371 |
|
|
if (ptmp==lstsegment.end()) lstsegment[seg->get_id()]=std::pair<MG_SEGMENT*,int>(seg,1); |
| 372 |
|
|
else ptmp->second.second=ptmp->second.second+1; |
| 373 |
|
|
seg=tri->get_segment2(); |
| 374 |
|
|
ptmp=lstsegment.find(seg->get_id()); |
| 375 |
|
|
if (ptmp==lstsegment.end()) lstsegment[seg->get_id()]=std::pair<MG_SEGMENT*,int>(seg,1); |
| 376 |
|
|
else ptmp->second.second=ptmp->second.second+1; |
| 377 |
|
|
seg=tri->get_segment3(); |
| 378 |
|
|
ptmp=lstsegment.find(seg->get_id()); |
| 379 |
|
|
if (ptmp==lstsegment.end()) lstsegment[seg->get_id()]=std::pair<MG_SEGMENT*,int>(seg,1); |
| 380 |
|
|
else ptmp->second.second=ptmp->second.second+1; |
| 381 |
|
|
} |
| 382 |
|
|
|
| 383 |
|
|
|
| 384 |
|
|
|
| 385 |
|
|
projete_point_sur_triangulation(x,y,z,x,y,z); |
| 386 |
|
|
|
| 387 |
|
|
|
| 388 |
|
|
bool convergecoquille; |
| 389 |
|
|
|
| 390 |
|
|
do |
| 391 |
|
|
{ |
| 392 |
|
|
convergecoquille=true; |
| 393 |
|
|
TPL_LISTE_ENTITE<MG_SEGMENT*> contour; |
| 394 |
|
|
for (std::map<unsigned long,std::pair<MG_SEGMENT*,int> >::iterator ptmp=lstsegment.begin();ptmp!=lstsegment.end();ptmp++) |
| 395 |
|
|
if (ptmp->second.second==1) |
| 396 |
|
|
{ |
| 397 |
|
|
MG_SEGMENT* seg=ptmp->second.first; |
| 398 |
|
|
contour.ajouter(seg); |
| 399 |
|
|
} |
| 400 |
|
|
|
| 401 |
|
|
for (int i=0;i<contour.get_nb();i++) |
| 402 |
|
|
{ |
| 403 |
|
|
MG_SEGMENT* seg=contour.get(i); |
| 404 |
|
|
MG_TRIANGLE *triin,*triext; |
| 405 |
|
|
if (listuniquetri.est_dans_la_liste(seg->get_lien_triangle()->get(0))) |
| 406 |
|
|
{ |
| 407 |
|
|
triin=seg->get_lien_triangle()->get(0); |
| 408 |
|
|
triext=seg->get_lien_triangle()->get(1); |
| 409 |
|
|
} |
| 410 |
|
|
else |
| 411 |
|
|
{ |
| 412 |
|
|
triin=seg->get_lien_triangle()->get(1); |
| 413 |
|
|
triext=seg->get_lien_triangle()->get(0); |
| 414 |
|
|
} |
| 415 |
|
|
MG_NOEUD* no1=seg->get_noeud1(); |
| 416 |
|
|
MG_NOEUD* no2=seg->get_noeud2(); |
| 417 |
|
|
int sens=-1; |
| 418 |
|
|
if ((triin->get_noeud1()==no1) && (triin->get_noeud2()==no2)) sens=1; |
| 419 |
|
|
if ((triin->get_noeud2()==no1) && (triin->get_noeud3()==no2)) sens=1; |
| 420 |
|
|
if ((triin->get_noeud3()==no1) && (triin->get_noeud1()==no2)) sens=1; |
| 421 |
|
|
double *xyz1,*xyz2; |
| 422 |
|
|
if (sens==-1) |
| 423 |
|
|
{ |
| 424 |
|
|
xyz1=no2->get_coord(); |
| 425 |
|
|
xyz2=no1->get_coord(); |
| 426 |
|
|
} |
| 427 |
|
|
else |
| 428 |
|
|
{ |
| 429 |
|
|
xyz1=no1->get_coord(); |
| 430 |
|
|
xyz2=no2->get_coord(); |
| 431 |
|
|
} |
| 432 |
|
|
double xyz3[3]={x,y,z}; |
| 433 |
|
|
OT_VECTEUR_3D vec1(xyz1,xyz2); |
| 434 |
|
|
OT_VECTEUR_3D vec2(xyz1,xyz3); |
| 435 |
|
|
OT_VECTEUR_3D nor=vec1&vec2; |
| 436 |
|
|
nor.norme(); |
| 437 |
|
|
double xyzin[3]; |
| 438 |
|
|
triin->normal(xyzin); |
| 439 |
|
|
OT_VECTEUR_3D norin(xyzin); |
| 440 |
|
|
if (nor*norin<0.) |
| 441 |
|
|
{ |
| 442 |
francois |
1083 |
affiche((char*)"etoile non conforme"); |
| 443 |
francois |
1082 |
listuniquetri.ajouter(triext); |
| 444 |
|
|
std::map<unsigned long,std::pair<MG_SEGMENT*,int> >::iterator ptmp; |
| 445 |
|
|
MG_SEGMENT* seg=triext->get_segment1(); |
| 446 |
|
|
ptmp=lstsegment.find(seg->get_id()); |
| 447 |
|
|
ptmp=lstsegment.find(seg->get_id()); |
| 448 |
|
|
if (ptmp==lstsegment.end()) lstsegment[seg->get_id()]=std::pair<MG_SEGMENT*,int>(seg,1); |
| 449 |
|
|
else ptmp->second.second=ptmp->second.second+1; |
| 450 |
|
|
seg=triext->get_segment2(); |
| 451 |
|
|
ptmp=lstsegment.find(seg->get_id()); |
| 452 |
|
|
if (ptmp==lstsegment.end()) lstsegment[seg->get_id()]=std::pair<MG_SEGMENT*,int>(seg,1); |
| 453 |
|
|
else ptmp->second.second=ptmp->second.second+1; |
| 454 |
|
|
seg=triext->get_segment3(); |
| 455 |
|
|
ptmp=lstsegment.find(seg->get_id()); |
| 456 |
|
|
if (ptmp==lstsegment.end()) lstsegment[seg->get_id()]=std::pair<MG_SEGMENT*,int>(seg,1); |
| 457 |
|
|
else ptmp->second.second=ptmp->second.second+1; |
| 458 |
|
|
convergecoquille=false; |
| 459 |
|
|
} |
| 460 |
|
|
} |
| 461 |
|
|
} |
| 462 |
|
|
while (convergecoquille==false); |
| 463 |
|
|
} |
| 464 |
|
|
|
| 465 |
|
|
int MAILLEUR_STL::bouge_point(MG_NOEUD* mg_noeud,double& crit,double& x,double& y, double& z) |
| 466 |
|
|
{ |
| 467 |
|
|
if (mg_noeud->get_origine()==MAGIC::ORIGINE::TRIANGULATION_ARETEORIGINE) |
| 468 |
|
|
return 0; |
| 469 |
|
|
TPL_MAP_ENTITE<MG_NOEUD*> lstnoeud; |
| 470 |
|
|
double critdep=1.; |
| 471 |
|
|
for (int i=0;i<mg_noeud->get_lien_triangle()->get_nb();i++) |
| 472 |
|
|
{ |
| 473 |
|
|
MG_TRIANGLE* tri=mg_noeud->get_lien_triangle()->get(i); |
| 474 |
|
|
double val=OPERATEUR::qualite_triangle(tri->get_noeud1()->get_coord(),tri->get_noeud2()->get_coord(),tri->get_noeud3()->get_coord()); |
| 475 |
|
|
if (val<critdep) critdep=val; |
| 476 |
|
|
if (tri->get_noeud1()!=mg_noeud) lstnoeud.ajouter(tri->get_noeud1()); |
| 477 |
|
|
if (tri->get_noeud2()!=mg_noeud) lstnoeud.ajouter(tri->get_noeud2()); |
| 478 |
|
|
if (tri->get_noeud3()!=mg_noeud) lstnoeud.ajouter(tri->get_noeud3()); |
| 479 |
|
|
} |
| 480 |
|
|
TPL_MAP_ENTITE<MG_NOEUD*>::ITERATEUR it; |
| 481 |
|
|
double xi=0.; |
| 482 |
|
|
double yi=0.; |
| 483 |
|
|
double zi=0.; |
| 484 |
|
|
for (MG_NOEUD* no=lstnoeud.get_premier(it);no!=NULL;no=lstnoeud.get_suivant(it)) |
| 485 |
|
|
{ |
| 486 |
|
|
xi=xi+no->get_x(); |
| 487 |
|
|
yi=yi+no->get_y(); |
| 488 |
|
|
zi=zi+no->get_z(); |
| 489 |
|
|
} |
| 490 |
|
|
xi=xi/lstnoeud.get_nb(); |
| 491 |
|
|
yi=yi/lstnoeud.get_nb(); |
| 492 |
|
|
zi=zi/lstnoeud.get_nb(); |
| 493 |
|
|
OT_VECTEUR_3D dir(xi-mg_noeud->get_x(),yi-mg_noeud->get_y(),zi-mg_noeud->get_z()); |
| 494 |
|
|
if (dir.get_longueur()<1e-10) return 0; |
| 495 |
|
|
double alpha=0.1; |
| 496 |
|
|
bool converge=false; |
| 497 |
|
|
double critencours=critdep; |
| 498 |
|
|
int passe=0; |
| 499 |
|
|
while (converge==false) |
| 500 |
|
|
{ |
| 501 |
|
|
double xyz[3]; |
| 502 |
|
|
xyz[0]=mg_noeud->get_x()+alpha*dir.get_x(); |
| 503 |
|
|
xyz[1]=mg_noeud->get_y()+alpha*dir.get_y(); |
| 504 |
|
|
xyz[2]=mg_noeud->get_z()+alpha*dir.get_z(); |
| 505 |
|
|
double critcourant=1.; |
| 506 |
|
|
for (int i=0;i<mg_noeud->get_lien_triangle()->get_nb();i++) |
| 507 |
|
|
{ |
| 508 |
|
|
MG_TRIANGLE* tri=mg_noeud->get_lien_triangle()->get(i); |
| 509 |
|
|
double *xyz1=tri->get_noeud1()->get_coord(); |
| 510 |
|
|
double *xyz2=tri->get_noeud2()->get_coord(); |
| 511 |
|
|
double *xyz3=tri->get_noeud3()->get_coord(); |
| 512 |
|
|
if (tri->get_noeud1()==mg_noeud) xyz1=xyz; |
| 513 |
|
|
if (tri->get_noeud2()==mg_noeud) xyz2=xyz; |
| 514 |
|
|
if (tri->get_noeud3()==mg_noeud) xyz3=xyz; |
| 515 |
|
|
double val=OPERATEUR::qualite_triangle(xyz1,xyz2,xyz3); |
| 516 |
|
|
if (val<critcourant) critcourant=val; |
| 517 |
|
|
} |
| 518 |
|
|
if (critencours>critcourant) |
| 519 |
|
|
{ |
| 520 |
|
|
converge=true; |
| 521 |
|
|
return passe; |
| 522 |
|
|
} |
| 523 |
|
|
else |
| 524 |
|
|
{ |
| 525 |
|
|
alpha=alpha+0.1; |
| 526 |
|
|
x=xyz[0]; |
| 527 |
|
|
y=xyz[1]; |
| 528 |
|
|
z=xyz[2]; |
| 529 |
|
|
critencours=critcourant; |
| 530 |
|
|
crit=critencours; |
| 531 |
|
|
passe=1; |
| 532 |
|
|
} |
| 533 |
|
|
|
| 534 |
|
|
} |
| 535 |
|
|
return 0; |
| 536 |
|
|
} |
| 537 |
|
|
|
| 538 |
|
|
void MAILLEUR_STL::maillage_et_segadiscretiser_update(MG_SEGMENT* segbase,double x, double y, double z, OT_VECTEUR_3D normale,TPL_LISTE_ENTITE<MG_TRIANGLE *>& listuniquetri, std::map<unsigned long, std::pair<MG_SEGMENT *, int> >& lstsegment) |
| 539 |
|
|
{ |
| 540 |
francois |
1085 |
//projete_point_sur_triangulation(x,y,z,x,y,z); |
| 541 |
francois |
1082 |
MG_NOEUD *no=mai->ajouter_mg_noeud(NULL,x,y,z,segbase->get_origine()); |
| 542 |
|
|
MG_NOEUD* nobase1=NULL; |
| 543 |
|
|
MG_NOEUD* nobase2=NULL; |
| 544 |
|
|
if (segbase->get_origine()==MAGIC::ORIGINE::TRIANGULATION_ARETEORIGINE) |
| 545 |
|
|
{ |
| 546 |
|
|
nobase1=segbase->get_noeud1(); |
| 547 |
|
|
nobase2=segbase->get_noeud2(); |
| 548 |
|
|
} |
| 549 |
|
|
for (std::map<unsigned long,std::pair<MG_SEGMENT*,int> >::iterator ptmp=lstsegment.begin();ptmp!=lstsegment.end();ptmp++) |
| 550 |
|
|
if (ptmp->second.second==2) |
| 551 |
|
|
supprimer_seg_a_discretiser(ptmp->second.first); |
| 552 |
|
|
for (int i=0;i<listuniquetri.get_nb();i++) |
| 553 |
|
|
{ |
| 554 |
|
|
MG_TRIANGLE* tri=listuniquetri.get(i); |
| 555 |
|
|
mai->supprimer_mg_triangleid(tri->get_id()); |
| 556 |
|
|
} |
| 557 |
|
|
for (std::map<unsigned long,std::pair<MG_SEGMENT*,int> >::iterator ptmp=lstsegment.begin();ptmp!=lstsegment.end();ptmp++) |
| 558 |
|
|
if (ptmp->second.second==1) |
| 559 |
|
|
{ |
| 560 |
|
|
MG_SEGMENT* seg=ptmp->second.first; |
| 561 |
francois |
1085 |
MG_TRIANGLE* triext=seg->get_lien_triangle()->get(0); |
| 562 |
|
|
int sens=1; |
| 563 |
|
|
if ((triext->get_noeud1()==seg->get_noeud1()) && (triext->get_noeud2()==seg->get_noeud2()) ) sens=-1; |
| 564 |
|
|
if ((triext->get_noeud2()==seg->get_noeud1()) && (triext->get_noeud3()==seg->get_noeud2()) ) sens=-1; |
| 565 |
|
|
if ((triext->get_noeud3()==seg->get_noeud1()) && (triext->get_noeud1()==seg->get_noeud2()) ) sens=-1; |
| 566 |
|
|
MG_NOEUD *no1,*no2; |
| 567 |
|
|
if (sens==1) |
| 568 |
|
|
{ |
| 569 |
|
|
no1=seg->get_noeud1(); |
| 570 |
|
|
no2=seg->get_noeud2(); |
| 571 |
|
|
} |
| 572 |
|
|
else |
| 573 |
|
|
{ |
| 574 |
|
|
no2=seg->get_noeud1(); |
| 575 |
|
|
no1=seg->get_noeud2(); |
| 576 |
|
|
} |
| 577 |
|
|
|
| 578 |
|
|
|
| 579 |
|
|
MG_SEGMENT* mgsegment1=mai->get_mg_segment(no1->get_id(),no2->get_id()); |
| 580 |
|
|
MG_SEGMENT* mgsegment2=mai->get_mg_segment(no2->get_id(),no->get_id()); |
| 581 |
|
|
MG_SEGMENT* mgsegment3=mai->get_mg_segment(no->get_id(),no1->get_id()); |
| 582 |
francois |
1082 |
if (mgsegment1==NULL) |
| 583 |
francois |
1083 |
{//mormalement ne devrai jamais passer ici |
| 584 |
francois |
1085 |
mgsegment1=mai->ajouter_mg_segment(NULL,no1,no2,MAGIC::ORIGINE::TRIANGULATION); |
| 585 |
francois |
1082 |
ajouter_seg_a_discretiser(mgsegment1); |
| 586 |
|
|
} |
| 587 |
|
|
if (mgsegment2==NULL) |
| 588 |
|
|
{ |
| 589 |
|
|
int origine=MAGIC::ORIGINE::TRIANGULATION; |
| 590 |
francois |
1085 |
if ((no2==nobase1)|| (no2==nobase2)) |
| 591 |
francois |
1082 |
origine=MAGIC::ORIGINE::TRIANGULATION_ARETEORIGINE; |
| 592 |
francois |
1085 |
mgsegment2=mai->ajouter_mg_segment(NULL,no2,no,origine); |
| 593 |
francois |
1082 |
ajouter_seg_a_discretiser(mgsegment2); |
| 594 |
|
|
} |
| 595 |
|
|
if (mgsegment3==NULL) |
| 596 |
|
|
{ |
| 597 |
|
|
int origine=MAGIC::ORIGINE::TRIANGULATION; |
| 598 |
francois |
1085 |
if ((no1==nobase1)|| (no1==nobase2)) |
| 599 |
francois |
1082 |
origine=MAGIC::ORIGINE::TRIANGULATION_ARETEORIGINE; |
| 600 |
francois |
1085 |
mgsegment3=mai->ajouter_mg_segment(NULL,no,no1,origine); |
| 601 |
francois |
1082 |
ajouter_seg_a_discretiser(mgsegment3); |
| 602 |
|
|
} |
| 603 |
francois |
1085 |
MG_TRIANGLE* nvtri=new MG_TRIANGLE(NULL,no1,no2,no,mgsegment1,mgsegment2,mgsegment3,MAGIC::ORIGINE::TRIANGULATION); |
| 604 |
francois |
1082 |
mai->ajouter_mg_triangle(nvtri); |
| 605 |
francois |
1085 |
/*double xyz[3]; |
| 606 |
francois |
1082 |
nvtri->normal(xyz); |
| 607 |
|
|
OT_VECTEUR_3D nvnor(xyz); |
| 608 |
|
|
if (nvnor*normale<0) |
| 609 |
francois |
1085 |
nvtri->inverse_sens();*/ |
| 610 |
francois |
1082 |
|
| 611 |
francois |
1083 |
|
| 612 |
francois |
1082 |
} |
| 613 |
|
|
} |
| 614 |
|
|
|
| 615 |
|
|
|
| 616 |
|
|
void MAILLEUR_STL::cree_maillage() |
| 617 |
|
|
{ |
| 618 |
|
|
int ok=0; |
| 619 |
|
|
int compteur_iter=0; |
| 620 |
francois |
1083 |
//valide_maillage(); |
| 621 |
|
|
|
| 622 |
francois |
1082 |
do |
| 623 |
|
|
{ |
| 624 |
|
|
compteur_iter++; |
| 625 |
|
|
if (lstsegadiscretiser.begin()->first>limite_discretisation) |
| 626 |
|
|
{ |
| 627 |
|
|
MG_SEGMENT* seg=lstsegadiscretiser.begin()->second; |
| 628 |
|
|
double x,y,z; |
| 629 |
|
|
OT_VECTEUR_3D normale; |
| 630 |
|
|
TPL_LISTE_ENTITE<MG_TRIANGLE*> listtrietoile; |
| 631 |
|
|
std::map<unsigned long,std::pair<MG_SEGMENT*,int> > lstsegmentetoile; |
| 632 |
|
|
calcul_nouveau_noeud_et_etoile(seg,x,y,z,normale,listtrietoile,lstsegmentetoile); |
| 633 |
|
|
maillage_et_segadiscretiser_update(seg,x,y,z,normale,listtrietoile,lstsegmentetoile); |
| 634 |
|
|
} |
| 635 |
|
|
else |
| 636 |
|
|
ok=1; |
| 637 |
|
|
} |
| 638 |
|
|
while (ok==0); |
| 639 |
|
|
char chaine[500]; |
| 640 |
|
|
sprintf(chaine," %d iterations effectuées",compteur_iter); |
| 641 |
|
|
affiche(chaine); |
| 642 |
|
|
} |
| 643 |
|
|
|
| 644 |
|
|
|
| 645 |
|
|
|
| 646 |
|
|
|
| 647 |
|
|
bool MAILLEUR_STL::respecte_delaunay(double x, double y, double z, MG_TRIANGLE* tri) |
| 648 |
|
|
{ |
| 649 |
|
|
OT_VECTEUR_3D vec1(tri->get_noeud1()->get_coord(),tri->get_noeud2()->get_coord()); |
| 650 |
|
|
OT_VECTEUR_3D vec2(tri->get_noeud1()->get_coord(),tri->get_noeud3()->get_coord()); |
| 651 |
|
|
OT_VECTEUR_3D vec3=vec1&vec2; |
| 652 |
|
|
vec1.norme(); |
| 653 |
|
|
vec3.norme(); |
| 654 |
|
|
vec2=vec3&vec1; |
| 655 |
|
|
OT_MATRICE_3D base(vec1,vec2,vec3); |
| 656 |
|
|
OT_MATRICE_3D baset=base.transpose();; |
| 657 |
|
|
OT_VECTEUR_3D pt1(tri->get_noeud1()->get_coord()); |
| 658 |
|
|
OT_VECTEUR_3D pt2(tri->get_noeud1()->get_coord(),tri->get_noeud2()->get_coord()); |
| 659 |
|
|
OT_VECTEUR_3D pt3(tri->get_noeud1()->get_coord(),tri->get_noeud3()->get_coord()); |
| 660 |
|
|
OT_VECTEUR_3D pt1l(0.,0.,0.); |
| 661 |
|
|
OT_VECTEUR_3D pt2l=baset*pt2; |
| 662 |
|
|
OT_VECTEUR_3D pt3l=baset*pt3; |
| 663 |
|
|
|
| 664 |
|
|
OT_VECTEUR_3D colx(pt1l.get_x(),pt2l.get_x(),pt3l.get_x()); |
| 665 |
|
|
OT_VECTEUR_3D coly(pt1l.get_y(),pt2l.get_y(),pt3l.get_y()); |
| 666 |
|
|
OT_VECTEUR_3D colz(1.,1.,1.); |
| 667 |
|
|
OT_VECTEUR_3D colx2y2(pt1l.get_x()*pt1l.get_x()+pt1l.get_y()*pt1l.get_y(),pt2l.get_x()*pt2l.get_x()+pt2l.get_y()*pt2l.get_y(),pt3l.get_x()*pt3l.get_x()+pt3l.get_y()*pt3l.get_y()); |
| 668 |
|
|
OT_MATRICE_3D sys1(colx,coly,colz); |
| 669 |
|
|
double det=2.*sys1.get_determinant(); |
| 670 |
|
|
OT_MATRICE_3D sys2(colx2y2,coly,colz); |
| 671 |
|
|
double xcl=sys2.get_determinant()/det; |
| 672 |
|
|
OT_MATRICE_3D sys3(colx2y2,colx,colz); |
| 673 |
|
|
double ycl=-sys3.get_determinant()/det; |
| 674 |
|
|
OT_VECTEUR_3D centrel(xcl,ycl,0.); |
| 675 |
|
|
OT_VECTEUR_3D centre=pt1+base*centrel; |
| 676 |
|
|
|
| 677 |
|
|
OT_VECTEUR_3D r1(centre.get_xyz(),tri->get_noeud1()->get_coord()); |
| 678 |
|
|
double rayon=r1.get_longueur(); |
| 679 |
|
|
OT_VECTEUR_3D dist(x,y,z); |
| 680 |
|
|
dist=dist-centre; |
| 681 |
|
|
bool rep=true; |
| 682 |
|
|
if (dist.get_longueur()<rayon) |
| 683 |
|
|
rep=false; |
| 684 |
|
|
return rep; |
| 685 |
|
|
} |
| 686 |
|
|
|
| 687 |
|
|
|
| 688 |
|
|
|
| 689 |
|
|
void MAILLEUR_STL::projete_point_sur_triangulation(double x, double y, double z, double& nvx, double& nvy, double& nvz) |
| 690 |
|
|
{ |
| 691 |
|
|
double mat[9]; |
| 692 |
|
|
double xyz[3]={x,y,z}; |
| 693 |
|
|
metrique->evaluer(xyz,mat); |
| 694 |
|
|
double dref=1./sqrt(mat[0]); |
| 695 |
|
|
TPL_MAP_ENTITE<MG_TRIANGLE*> lst; |
| 696 |
|
|
while (lst.get_nb()==0) |
| 697 |
|
|
{ |
| 698 |
|
|
octree.rechercher(x,y,z,dref,lst); |
| 699 |
|
|
dref=dref*1.05; |
| 700 |
|
|
} |
| 701 |
|
|
MG_MAILLAGE_OUTILS ot; |
| 702 |
|
|
TPL_MAP_ENTITE<MG_TRIANGLE*>::ITERATEUR it; |
| 703 |
|
|
double dis=1e308; |
| 704 |
|
|
for (MG_TRIANGLE* tri=lst.get_premier(it);tri!=NULL;tri=lst.get_suivant(it)) |
| 705 |
|
|
{ |
| 706 |
|
|
double xt,yt,zt; |
| 707 |
|
|
ot.projetedansletriangle(tri,x,y,z,xt,yt,zt); |
| 708 |
|
|
OT_VECTEUR_3D vec(x-xt,y-yt,z-zt); |
| 709 |
|
|
double l=vec.get_longueur(); |
| 710 |
|
|
if (l<dis) |
| 711 |
|
|
{ |
| 712 |
|
|
dis=l; |
| 713 |
|
|
nvx=xt; |
| 714 |
|
|
nvy=yt; |
| 715 |
|
|
nvz=zt; |
| 716 |
|
|
} |
| 717 |
|
|
} |
| 718 |
|
|
} |
| 719 |
|
|
|
| 720 |
|
|
|
| 721 |
|
|
|
| 722 |
|
|
void MAILLEUR_STL::change_angle_arete(double val) |
| 723 |
|
|
{ |
| 724 |
|
|
angle_arete=val; |
| 725 |
|
|
} |
| 726 |
|
|
|
| 727 |
|
|
|
| 728 |
|
|
double MAILLEUR_STL::get_angle_arete() |
| 729 |
|
|
{ |
| 730 |
|
|
return angle_arete; |
| 731 |
|
|
} |
| 732 |
|
|
|
| 733 |
|
|
MG_TRIANGLE * MAILLEUR_STL::get_voisin(MG_TRIANGLE* tri, int cote) |
| 734 |
|
|
{ |
| 735 |
|
|
MG_SEGMENT* seg; |
| 736 |
|
|
if (cote==1) seg=tri->get_segment1(); |
| 737 |
|
|
if (cote==2) seg=tri->get_segment2(); |
| 738 |
|
|
if (cote==3) seg=tri->get_segment3(); |
| 739 |
|
|
if (seg->get_origine()==MAGIC::ORIGINE::TRIANGULATION_ARETEORIGINE) return NULL; |
| 740 |
|
|
if (seg->get_lien_triangle()->get_nb()!=2) return NULL; |
| 741 |
|
|
MG_TRIANGLE* tri1=seg->get_lien_triangle()->get(0); |
| 742 |
|
|
MG_TRIANGLE* tri2=seg->get_lien_triangle()->get(1); |
| 743 |
|
|
if (tri1==tri) return tri2; |
| 744 |
|
|
return tri1; |
| 745 |
|
|
} |
| 746 |
|
|
|
| 747 |
|
|
void MAILLEUR_STL::ajouter_seg_a_discretiser(MG_SEGMENT* seg) |
| 748 |
|
|
{ |
| 749 |
|
|
double l=metrique->calcul_distance_metrique(seg,pas); |
| 750 |
|
|
seg->change_distance_metrique(l); |
| 751 |
|
|
lstsegadiscretiser.insert(std::pair<double,MG_SEGMENT*>(l,seg)); |
| 752 |
|
|
} |
| 753 |
|
|
|
| 754 |
|
|
void MAILLEUR_STL::supprimer_seg_a_discretiser(MG_SEGMENT* seg) |
| 755 |
|
|
{ |
| 756 |
|
|
double l; |
| 757 |
|
|
seg->get_distance_metrique(&l); |
| 758 |
|
|
std::multimap<double,MG_SEGMENT*,std::greater<double > >:: iterator it=lstsegadiscretiser.lower_bound(l); |
| 759 |
|
|
while (it->second!=seg) |
| 760 |
|
|
it++; |
| 761 |
|
|
lstsegadiscretiser.erase(it); |
| 762 |
|
|
} |
| 763 |
|
|
|
| 764 |
|
|
void MAILLEUR_STL::change_pas(int val) |
| 765 |
|
|
{ |
| 766 |
|
|
pas=val; |
| 767 |
|
|
} |
| 768 |
|
|
|
| 769 |
|
|
void MAILLEUR_STL::change_nbpasseoptimisation(int nb) |
| 770 |
|
|
{ |
| 771 |
|
|
nbcoucheopt=nb; |
| 772 |
|
|
} |
| 773 |
|
|
|
| 774 |
|
|
|
| 775 |
|
|
void MAILLEUR_STL::change_nx(int val) |
| 776 |
|
|
{ |
| 777 |
|
|
nx=val; |
| 778 |
|
|
} |
| 779 |
|
|
|
| 780 |
|
|
|
| 781 |
|
|
void MAILLEUR_STL::change_ny(int val) |
| 782 |
|
|
{ |
| 783 |
|
|
ny=val; |
| 784 |
|
|
} |
| 785 |
|
|
|
| 786 |
|
|
|
| 787 |
|
|
void MAILLEUR_STL::change_nz(int val) |
| 788 |
|
|
{ |
| 789 |
|
|
nz=val; |
| 790 |
|
|
} |
| 791 |
|
|
|
| 792 |
|
|
void MAILLEUR_STL::change_nxnynz(int nvx, int nvy, int nvz) |
| 793 |
|
|
{ |
| 794 |
|
|
nx=nvx; |
| 795 |
|
|
ny=nvy; |
| 796 |
|
|
nz=nvz; |
| 797 |
|
|
} |
| 798 |
|
|
|
| 799 |
|
|
|
| 800 |
|
|
void MAILLEUR_STL::change_qualmaxaoptimiser(double val) |
| 801 |
|
|
{ |
| 802 |
|
|
qualmaxaopt=val; |
| 803 |
|
|
} |
