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francois |
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//------------------------------------------------------------ |
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//------------------------------------------------------------ |
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// MAGiC |
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// Jean Christophe Cuilli�e et Vincent FRANCOIS |
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// D�artement de G�ie M�anique - UQTR |
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//------------------------------------------------------------ |
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// Le projet MAGIC est un projet de recherche du d�artement |
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// de g�ie m�anique de l'Universit�du Qu�ec � |
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// Trois Rivi�es |
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// Les librairies ne peuvent �re utilis�s sans l'accord |
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// des auteurs (contact : francois@uqtr.ca) |
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//------------------------------------------------------------ |
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//------------------------------------------------------------ |
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// |
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// mailleur1d.cpp |
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// |
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//------------------------------------------------------------ |
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//------------------------------------------------------------ |
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// COPYRIGHT 2000 |
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// Version du 02/03/2006 �11H23 |
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//------------------------------------------------------------ |
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//------------------------------------------------------------ |
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#include "gestionversion.h" |
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#include <math.h> |
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#include <vector> |
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#include "mailleur1d.h" |
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#include "tpl_set.h" |
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//#include "affiche.h" |
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//#include "message.h" |
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#include <fstream> |
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struct integrale |
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{ |
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double ti; |
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double li; |
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}; |
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francois |
494 |
MAILLEUR1D::MAILLEUR1D(MG_MAILLAGE* mgmai,MG_GEOMETRIE *mggeo,FCT_TAILLE* fct_taille,MG_ARETE* mgarete):MAILLEUR(false),mg_maillage(mgmai),mg_geometrie(mggeo),mg_arete(mgarete),metrique(fct_taille) |
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francois |
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{ |
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} |
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MAILLEUR1D::~MAILLEUR1D() |
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{ |
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} |
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couturad |
966 |
int MAILLEUR1D::maille(MG_GROUPE_TOPOLOGIQUE* mggt) |
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francois |
283 |
{ |
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//afficheur << MAILLAGEARETE << endaff; |
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couturad |
966 |
if (mg_arete!=NULL) |
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{ |
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if(maille(mg_arete)==FAIL) return FAIL; |
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} |
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francois |
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else |
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{ |
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TPL_MAP_ENTITE<MG_ELEMENT_TOPOLOGIQUE*> lst; |
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if (mggt!=NULL) |
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{ |
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couturad |
906 |
std::map<MG_ELEMENT_TOPOLOGIQUE*,MG_ELEMENT_TOPOLOGIQUE*>::iterator it; |
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for(MG_ELEMENT_TOPOLOGIQUE* ele=mggt->get_premier(it);ele!=NULL;ele=mggt->get_suivant(it)) |
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{ |
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lst.ajouter(ele); |
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ele->get_topologie_sousjacente(&lst); |
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} |
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francois |
283 |
} |
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int nb_arete=mg_geometrie->get_nb_mg_arete(); |
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for (int i=0;i<nb_arete;i++) |
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{ |
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MG_ARETE* mgarete=mg_geometrie->get_mg_arete(i); |
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if (mggt!=NULL) |
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if (lst.existe(mgarete)==0) continue; |
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couturad |
966 |
if(maille(mg_arete)==FAIL) return FAIL; |
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francois |
283 |
} |
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} |
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couturad |
966 |
return OK; |
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francois |
283 |
} |
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couturad |
966 |
int MAILLEUR1D::maille(MG_ARETE* mgarete,double t1,MG_NOEUD* noeud_depart,double t2,MG_NOEUD* noeud_arrivee) |
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francois |
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{ |
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/* calcul de la longueur de la arete dans la metrique */ |
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if (fabs(t1)<1e-14) |
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if (fabs(t2)<1e-14) |
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{ |
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t1=mgarete->get_tmin(); |
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t2=mgarete->get_tmax(); |
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} |
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std::vector<integrale> tab_integrale; |
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double ti,tii,t; |
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double longueur_metrique=0.; |
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tii=t1; |
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francois |
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double dt=1./pas; |
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francois |
283 |
do |
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{ |
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refresh(); |
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double coefficient_metrique_ti[9]; |
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double coefficient_metrique_tii[9]; |
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double coefficient_metrique_derive_ti[9]; |
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ti=tii; |
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tii=ti+(t2-t1)*dt; |
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if (tii>t2) tii=t2; |
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#define ON_A_ABANDONNE_ET_ON_PREND_DT_EGALE_T2_MOINS_T1_DIVISE_PAR_1000 |
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#ifndef ON_A_ABANDONNE_ET_ON_PREND_DT_EGALE_T2_MOINS_T1_DIVISE_PAR_1000 |
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int bon_dt=0; |
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do |
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{ |
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tii=ti+(t2-t1)*dt; |
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if (tii>t2) tii=t2; |
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double ddxyz[3]; |
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double dxyz[3]; |
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double xyz[3]; |
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double dxyzii[3]; |
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double xyzii[3]; |
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mgarete->deriver_seconde(ti,ddxyz,dxyz,xyz); |
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mgarete->evaluer(tii,xyzii); |
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mgarete->deriver(tii,dxyzii); |
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if (creation_metrique) |
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{ |
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metrique->evaluer(&ti,coefficient_metrique_ti); |
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metrique->evaluer(&tii,coefficient_metrique_tii); |
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metrique->deriver(&ti,coefficient_metrique_derive_ti); |
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} |
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else |
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{ |
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metrique->evaluer(xyz,coefficient_metrique_ti); |
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metrique->evaluer(xyzii,coefficient_metrique_tii); |
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metrique->deriver(xyz,coefficient_metrique_derive_ti); |
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} |
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double facteur1=dxyz[0]*dxyz[0]*coefficient_metrique_ti[0]+dxyz[0]*dxyz[1]*coefficient_metrique_ti[3]+dxyz[0]*dxyz[2]*coefficient_metrique_ti[6]+dxyz[1]*dxyz[0]*coefficient_metrique_ti[1]+dxyz[1]*dxyz[1]*coefficient_metrique_ti[4]+dxyz[1]*dxyz[2]*coefficient_metrique_ti[7]+dxyz[2]*dxyz[0]*coefficient_metrique_ti[2]+dxyz[2]*dxyz[1]*coefficient_metrique_ti[4]+dxyz[2]*dxyz[2]*coefficient_metrique_ti[8]; |
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double facteur2=ddxyz[0]*dxyz[0]*coefficient_metrique_ti[0]+dxyz[0]*ddxyz[0]*coefficient_metrique_ti[0]+dxyz[0]*dxyz[0]*coefficient_metrique_derive_ti[0]+ |
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ddxyz[0]*dxyz[1]*coefficient_metrique_ti[3]+dxyz[0]*ddxyz[1]*coefficient_metrique_ti[3]+dxyz[0]*dxyz[1]*coefficient_metrique_derive_ti[3]+ |
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ddxyz[0]*dxyz[2]*coefficient_metrique_ti[6]+dxyz[0]*ddxyz[2]*coefficient_metrique_ti[6]+dxyz[0]*dxyz[2]*coefficient_metrique_derive_ti[6]+ |
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ddxyz[1]*dxyz[0]*coefficient_metrique_ti[1]+dxyz[1]*ddxyz[0]*coefficient_metrique_ti[1]+dxyz[1]*dxyz[0]*coefficient_metrique_derive_ti[1]+ |
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ddxyz[1]*dxyz[1]*coefficient_metrique_ti[4]+dxyz[1]*ddxyz[1]*coefficient_metrique_ti[4]+dxyz[1]*dxyz[1]*coefficient_metrique_derive_ti[4]+ |
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ddxyz[1]*dxyz[2]*coefficient_metrique_ti[7]+dxyz[1]*ddxyz[2]*coefficient_metrique_ti[7]+dxyz[1]*dxyz[2]*coefficient_metrique_derive_ti[7]+ |
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ddxyz[2]*dxyz[0]*coefficient_metrique_ti[2]+dxyz[2]*ddxyz[0]*coefficient_metrique_ti[2]+dxyz[2]*dxyz[0]*coefficient_metrique_derive_ti[2]+ |
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ddxyz[2]*dxyz[1]*coefficient_metrique_ti[4]+dxyz[2]*ddxyz[1]*coefficient_metrique_ti[4]+dxyz[2]*dxyz[1]*coefficient_metrique_derive_ti[4]+ |
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ddxyz[2]*dxyz[2]*coefficient_metrique_ti[8]+dxyz[2]*ddxyz[2]*coefficient_metrique_ti[8]+dxyz[2]*dxyz[2]*coefficient_metrique_derive_ti[8]; |
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double facteur3=dxyzii[0]*dxyzii[0]*coefficient_metrique_tii[0]+dxyzii[0]*dxyzii[1]*coefficient_metrique_tii[3]+dxyzii[0]*dxyzii[2]*coefficient_metrique_tii[6]+dxyzii[1]*dxyzii[0]*coefficient_metrique_tii[1]+dxyzii[1]*dxyzii[1]*coefficient_metrique_tii[4]+dxyzii[1]*dxyzii[2]*coefficient_metrique_tii[7]+dxyzii[2]*dxyzii[0]*coefficient_metrique_tii[2]+dxyzii[2]*dxyzii[1]*coefficient_metrique_tii[4]+dxyzii[2]*dxyzii[2]*coefficient_metrique_tii[8]; |
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double residu=fabs(sqrt(facteur3)-sqrt(facteur1)-1./2./sqrt(facteur1)*facteur2*(tii-ti)); |
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//if (residu>0.01) dt=dt/2.; else {dt=dt*2;bon_dt=1;} |
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//if (dt<1e-4) {dt=1e-4;bon_dt=1;} |
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//if (dt>0.25) {dt=0.25;bon_dt=1;} |
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bon_dt=1; |
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} |
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while (bon_dt!=1); |
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#endif // ON_A_ABANDONNE_ET_ON_PREND_DT_EGALE_T2_MOINS_T1_DIVISE_PAR_1000 |
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t=0.7886751345*ti+0.2113248654*tii; |
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double coord[3]; |
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double coefficient_metrique[9]; |
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mgarete->deriver(t,coord); |
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double xyz[3]; |
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mgarete->evaluer(t,xyz); |
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metrique->evaluer(xyz,coefficient_metrique); |
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double facteur1=coord[0]*coord[0]*coefficient_metrique[0]+coord[0]*coord[1]*coefficient_metrique[3]+coord[0]*coord[2]*coefficient_metrique[6]+coord[1]*coord[0]*coefficient_metrique[1]+coord[1]*coord[1]*coefficient_metrique[4]+coord[1]*coord[2]*coefficient_metrique[7]+coord[2]*coord[0]*coefficient_metrique[2]+coord[2]*coord[1]*coefficient_metrique[4]+coord[2]*coord[2]*coefficient_metrique[8]; |
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longueur_metrique=longueur_metrique+0.5*(tii-ti)*sqrt(facteur1); |
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t=0.7886751345*tii+0.2113248654*ti; |
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mgarete->deriver(t,coord); |
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francois |
446 |
// double xyz[3]; |
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francois |
283 |
mgarete->evaluer(t,xyz); |
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metrique->evaluer(xyz,coefficient_metrique); |
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facteur1=coord[0]*coord[0]*coefficient_metrique[0]+coord[0]*coord[1]*coefficient_metrique[3]+coord[0]*coord[2]*coefficient_metrique[6]+coord[1]*coord[0]*coefficient_metrique[1]+coord[1]*coord[1]*coefficient_metrique[4]+coord[1]*coord[2]*coefficient_metrique[7]+coord[2]*coord[0]*coefficient_metrique[2]+coord[2]*coord[1]*coefficient_metrique[4]+coord[2]*coord[2]*coefficient_metrique[8]; |
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longueur_metrique=longueur_metrique+0.5*(tii-ti)*sqrt(facteur1); |
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integrale pas; |
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pas.ti=ti; |
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pas.li=longueur_metrique; |
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tab_integrale.insert(tab_integrale.end(),pas); |
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} |
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while (tii<t2); |
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int nombre_de_segment=(int)floor(longueur_metrique); |
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if (longueur_metrique-floor(longueur_metrique)>0.5) nombre_de_segment++; |
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if (nombre_de_segment<1) nombre_de_segment=1; |
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/* discretisation */ |
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double valeur_cible=longueur_metrique/nombre_de_segment; |
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int bon_noeud; |
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if (noeud_depart==NULL) bon_noeud=0; |
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else bon_noeud=1; |
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int numnoeud=0; |
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while (bon_noeud==0) |
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{ |
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noeud_depart=(MG_NOEUD*)mgarete->get_cosommet1()->get_sommet()->get_lien_maillage()->get(numnoeud); |
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MG_NOEUD* noeudtemp=mg_maillage->get_mg_noeudid(noeud_depart->get_id()); |
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if (noeudtemp==NULL) numnoeud++; |
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else bon_noeud=1; |
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} |
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if (noeud_arrivee==NULL) bon_noeud=0; |
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else bon_noeud=1; |
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numnoeud=0; |
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while (bon_noeud==0) |
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{ |
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noeud_arrivee=(MG_NOEUD*)mgarete->get_cosommet2()->get_sommet()->get_lien_maillage()->get(numnoeud); |
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MG_NOEUD* noeudtemp=mg_maillage->get_mg_noeudid(noeud_arrivee->get_id()); |
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if (noeudtemp==NULL) numnoeud++; |
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else bon_noeud=1; |
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} |
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MG_NOEUD* noeud_precedent=noeud_depart; |
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int nb_segment_cree=0; |
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int nb_pas_integrale=tab_integrale.size(); |
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for (int i=0;i<nb_pas_integrale;i++) |
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{ |
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while ((tab_integrale[i].li>(nb_segment_cree+1)*valeur_cible) && (nb_segment_cree<nombre_de_segment-1)) |
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{ |
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refresh(); |
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double ti=tab_integrale[i].ti; |
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double tii=t2; |
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double li=0.; |
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if (i!=0) li=tab_integrale[i-1].li; |
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double lii=tab_integrale[i].li; |
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if (i!=nb_pas_integrale-1) tii=tab_integrale[i+1].ti; |
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t=ti+(tii-ti)/(lii-li)*((nb_segment_cree+1)*valeur_cible-li); |
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double coo[3]; |
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mgarete->evaluer(t,coo); |
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francois |
791 |
MG_NOEUD* nouveau_noeud=mg_maillage->ajouter_mg_noeud(mgarete,coo[0],coo[1],coo[2],MAGIC::ORIGINE::MAILLEUR_AUTO); |
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mg_maillage->ajouter_mg_segment(mgarete,noeud_precedent,nouveau_noeud,MAGIC::ORIGINE::MAILLEUR_AUTO); |
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francois |
283 |
noeud_precedent=nouveau_noeud; |
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nb_segment_cree++; |
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//ofstream o2("test_1D.mai",ios::out|ios::trunc); |
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//o2.precision(16); |
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//o2.setf(ios::showpoint); |
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//mg_maillage->enregistrer_sous_mesh_1D(o2); |
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} |
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} |
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francois |
791 |
mg_maillage->ajouter_mg_segment(mgarete,noeud_precedent,noeud_arrivee,MAGIC::ORIGINE::MAILLEUR_AUTO); |
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francois |
283 |
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couturad |
966 |
return OK; |
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francois |
283 |
} |
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void MAILLEUR1D::adapte(void) |
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{ |
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MG_NOEUD* noeud_dep; |
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MG_NOEUD* noeud_arr; |
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int nb=mg_arete->get_cosommet1()->get_sommet()->get_lien_maillage()->get_nb(); |
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for (int i=0;i<nb;i++) |
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if (mg_maillage->get_mg_noeudid(mg_arete->get_cosommet1()->get_sommet()->get_lien_maillage()->get(i)->get_id())!=NULL) |
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noeud_dep=(MG_NOEUD*)mg_arete->get_cosommet1()->get_sommet()->get_lien_maillage()->get(i); |
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nb=mg_arete->get_cosommet2()->get_sommet()->get_lien_maillage()->get_nb(); |
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for (int i=0;i<nb;i++) |
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if (mg_maillage->get_mg_noeudid(mg_arete->get_cosommet2()->get_sommet()->get_lien_maillage()->get(i)->get_id())!=NULL) |
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noeud_arr=(MG_NOEUD*)mg_arete->get_cosommet2()->get_sommet()->get_lien_maillage()->get(i); |
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int nb_segment=mg_arete->get_lien_maillage()->get_nb(); |
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double tdeb=mg_arete->get_tmin(); |
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double tfin=mg_arete->get_tmax(); |
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std::map<double,MG_NOEUD*,std::less<double> > debut; |
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std::map<double,MG_NOEUD*,std::less<double> > fin; |
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std::pair<double,MG_NOEUD*> tmp(tfin,noeud_arr); |
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debut.insert(tmp); |
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std::pair<double,MG_NOEUD*> tmp2(tdeb,noeud_dep); |
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fin.insert(tmp2); |
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for (int i=0;i<nb_segment;i++) |
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{ |
| 271 |
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|
MG_SEGMENT* seg=(MG_SEGMENT*)mg_arete->get_lien_maillage()->get(i); |
| 272 |
|
|
if (mg_maillage->get_mg_segmentid(seg->get_id())==NULL) continue; |
| 273 |
|
|
MG_NOEUD* noeud1=seg->get_noeud1(); |
| 274 |
|
|
MG_NOEUD* noeud2=seg->get_noeud2(); |
| 275 |
|
|
double t1,t2; |
| 276 |
|
|
if (noeud1==noeud_dep) t1=tdeb; |
| 277 |
|
|
else if (noeud1==noeud_arr) t1=tfin; |
| 278 |
|
|
else |
| 279 |
|
|
{ |
| 280 |
|
|
double *xyz1=noeud1->get_coord(); |
| 281 |
|
|
mg_arete->inverser(t1,xyz1); |
| 282 |
|
|
} |
| 283 |
|
|
if (noeud2==noeud_dep) t2=tdeb; |
| 284 |
|
|
else if (noeud2==noeud_arr) t2=tfin; |
| 285 |
|
|
else |
| 286 |
|
|
{ |
| 287 |
|
|
double *xyz2=noeud2->get_coord(); |
| 288 |
|
|
mg_arete->inverser(t2,xyz2); |
| 289 |
|
|
} |
| 290 |
|
|
if (mg_arete->get_courbe()->est_periodique()) |
| 291 |
|
|
{ |
| 292 |
|
|
if (t1<tdeb) t1=t1+mg_arete->get_courbe()->get_periode(); |
| 293 |
|
|
if (t2<t1) t2=t2+mg_arete->get_courbe()->get_periode(); |
| 294 |
|
|
} |
| 295 |
|
|
std::pair<double,MG_NOEUD*> tmp(t1,noeud1); |
| 296 |
|
|
std::pair<double,MG_NOEUD*> tmp2(t2,noeud2); |
| 297 |
|
|
debut.insert(tmp); |
| 298 |
|
|
fin.insert(tmp2); |
| 299 |
|
|
} |
| 300 |
|
|
std::map<double,MG_NOEUD*,std::less<double> > :: iterator itdebut; |
| 301 |
|
|
std::map<double,MG_NOEUD*,std::less<double> > :: iterator itfin; |
| 302 |
|
|
itdebut=debut.begin(); |
| 303 |
|
|
itfin=fin.begin(); |
| 304 |
|
|
do |
| 305 |
|
|
{ |
| 306 |
|
|
if ((itdebut->second!=itfin->second) || (nb_segment==0) ) maille(mg_arete,(*itfin).first,(*itfin).second,(*itdebut).first,(*itdebut).second); |
| 307 |
|
|
itdebut++; |
| 308 |
|
|
itfin++; |
| 309 |
|
|
} |
| 310 |
|
|
while (itdebut!=debut.end()); |
| 311 |
|
|
} |
| 312 |
|
|
|
| 313 |
|
|
|
| 314 |
|
|
|
| 315 |
|
|
|
