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francois |
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//####//------------------------------------------------------------ |
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//####//------------------------------------------------------------ |
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//####// MAGiC |
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//####// Jean Christophe Cuilliere et Vincent FRANCOIS |
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//####// Departement de Genie Mecanique - UQTR |
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//####//------------------------------------------------------------ |
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//####// MAGIC est un projet de recherche de l equipe ERICCA |
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//####// du departement de genie mecanique de l Universite du Quebec a Trois Rivieres |
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//####// http://www.uqtr.ca/ericca |
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//####// http://www.uqtr.ca/ |
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//####//------------------------------------------------------------ |
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//####//------------------------------------------------------------ |
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//####// |
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//####// CAD4FE_MakeLoops.cpp |
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//####// |
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//####//------------------------------------------------------------ |
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//####//------------------------------------------------------------ |
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//####// COPYRIGHT 2000-2024 |
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//####// jeu 13 jun 2024 11:58:56 EDT |
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//####//------------------------------------------------------------ |
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//####//------------------------------------------------------------ |
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foucault |
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#include <sstream>
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#include <string>
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#pragma hdrstop
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#include "gestionversion.h"
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#include "ot_mathematique.h"
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#include "ot_algorithme_geometrique.h"
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#include "mg_coarete.h"
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#include "mg_face.h"
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#include "mg_arete.h"
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#include "mg_boucle.h"
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#include "mg_maillage.h"
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foucault |
569 |
#include "CAD4FE_Geometric_Tools.h"
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foucault |
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#include "CAD4FE_MakeLoops.h"
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#include "CAD4FE_MCVertex.h"
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#include "CAD4FE_MCEdge.h"
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#include "CAD4FE_MCFace.h"
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#pragma package(smart_init)
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using namespace CAD4FE;
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MakeLoops::CoEdge::CoEdge(MG_FACE * __face, MG_ARETE * __e, int __sense):f(__face),sense(__sense),e(__e),prev(0),next(0){}
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MakeLoops::CoEdge::~CoEdge()
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{
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}
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int MakeLoops::CoEdge::Sense(){return sense;}
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MG_ARETE * MakeLoops::CoEdge::Edge(){return e;}
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MG_FACE * MakeLoops::CoEdge::Face(){return f;}
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bool MakeLoops::CoEdge::IsInverse(CoEdge & __mcEdgeSense)
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{
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return (__mcEdgeSense.e == e && __mcEdgeSense.Sense() == -Sense() ) ;
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}
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MG_SOMMET * MakeLoops::CoEdge::StartVertex()
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{
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if (Sense()==1)
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return e->get_cosommet1()->get_sommet();
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else
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return e->get_cosommet2()->get_sommet();
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}
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MG_SOMMET * MakeLoops::CoEdge::EndVertex()
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{
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if (Sense()==1)
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return e->get_cosommet2()->get_sommet();
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else
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return e->get_cosommet1()->get_sommet();
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}
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MG_COSOMMET * MakeLoops::CoEdge::StartCoVertex()
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{
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if (Sense()==1)
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return e->get_cosommet1();
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else
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return e->get_cosommet2();
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}
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MG_COSOMMET * MakeLoops::CoEdge::EndCoVertex()
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{
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if (Sense()==1)
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return e->get_cosommet2();
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else
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return e->get_cosommet1();
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}
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bool MakeLoops::CoEdge::IsAfter(CoEdge & __mcEdgeSense)
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{
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return this->StartVertex() == __mcEdgeSense.EndVertex();
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}
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bool MakeLoops::CoEdge::IsBefore(CoEdge & __mcEdgeSense)
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{
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return this->EndVertex() == __mcEdgeSense.StartVertex();
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}
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OT_VECTEUR_3D MakeLoops::CoEdge::StartDir()
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{
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OT_VECTEUR_3D dir;
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double t=StartCoVertex()->get_t();
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e->deriver(t,dir);
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dir=Sense()*dir;
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dir.norme();
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return dir;
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}
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OT_VECTEUR_3D MakeLoops::CoEdge::EndDir()
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{
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OT_VECTEUR_3D dir;
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double t=EndCoVertex()->get_t();
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e->deriver(t,dir);
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dir=Sense()*dir;
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dir.norme();
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return dir;
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}
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OT_VECTEUR_3D MakeLoops::CoEdge::StartMeshDir(MG_MAILLAGE * __mesh)
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{
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OT_VECTEUR_3D result;
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MG_SOMMET * v1=StartVertex(), *v2=EndVertex();
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int meshSense = 0; // if meshSense = sense Then use segment which direction is equal to sense
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// if meshSense = -sense Then use segment which direction is opposite to sense
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// if meshSense = 0 Then use any segment to compute mesh derivative
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if (v1==v2)
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meshSense = Sense();
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else
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meshSense = 0;
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result=MeshDir(__mesh, v1, meshSense);
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if (result.get_longueur2()>1E100)
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{
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result = StartDir();
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}
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return result;
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}
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OT_VECTEUR_3D MakeLoops::CoEdge::EndMeshDir(MG_MAILLAGE * __mesh)
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{
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OT_VECTEUR_3D result;
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MG_SOMMET * v1=StartVertex(), *v2=EndVertex();
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int meshSense = 0;
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if (v1==v2) // if meshSense = sense Then use segment which direction is equal to sense
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// if meshSense = -sense Then use segment which direction is opposite to sense
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// if meshSense = 0 Then use any segment to compute mesh derivative
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meshSense = -Sense();
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else
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meshSense = 0;
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result=MeshDir(__mesh, v2, meshSense);
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if (result.get_longueur2()>1E100)
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{
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result = EndDir();
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}
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return result;
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}
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OT_VECTEUR_3D MakeLoops::CoEdge::MeshDir(MG_MAILLAGE * __mesh, MG_SOMMET * __v, int __meshSense)
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{
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OT_VECTEUR_3D dir;
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TPL_SET < MG_ELEMENT_MAILLAGE *> * mesh = __v->get_lien_maillage();
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TPL_SET < MG_ELEMENT_MAILLAGE *>::ITERATEUR it;
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MG_NOEUD * n;
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MG_SEGMENT * vertexSeg = NULL;
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double t1,t2,*xyz1,*xyz2, t1o, o, t2o;
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double period=e->get_courbe()->get_periode();
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for (n = (MG_NOEUD*)mesh->get_premier(it); n; n = (MG_NOEUD*)mesh->get_suivant(it))
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if (!__mesh || __mesh->contient(n))
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{
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int nSeg = n->get_lien_segment()->get_nb();
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TPL_LISTE_ENTITE< MG_SEGMENT * > * lstSeg = n->get_lien_segment();
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for (int i=0; i<nSeg; i++)
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{
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MG_SEGMENT * seg = lstSeg->get(i);
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if (seg->get_lien_topologie() == e)
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{
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bool valid_sense;
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if (__meshSense == +1 || __meshSense == -1)
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{
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if (seg->get_noeud1()->get_lien_topologie()==__v)
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{
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xyz1=seg->get_noeud1()->get_coord();
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xyz2=seg->get_noeud2()->get_coord();
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}
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else
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{
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xyz1=seg->get_noeud2()->get_coord();
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xyz2=seg->get_noeud1()->get_coord();
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}
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e->inverser(t1, xyz1);
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e->inverser(t2, xyz2);
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t1o=.5*period;
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o=t1o-t1;
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t2o=t2+o;
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if (t2o>period)
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t2o -= period;
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if (t2o<0)
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t2o += period;
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if (__meshSense == +1)
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valid_sense = (t1o<t2o);
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else if (__meshSense == -1)
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valid_sense = (t1o>t2o);
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}
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else
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valid_sense = true;
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if (valid_sense)
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{
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if (vertexSeg == NULL || seg->get_longueur() > vertexSeg->get_longueur())
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vertexSeg = seg;
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}
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}
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}
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}
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MG_NOEUD * vertexSegN[2];
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if (vertexSeg == NULL)
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{
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return OT_VECTEUR_3D(1E308,1E308,1E308);
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}
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xyz1=vertexSeg->get_noeud1()->get_coord();
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xyz2=vertexSeg->get_noeud2()->get_coord();
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e->inverser(t1, xyz1);
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e->inverser(t2, xyz2);
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t1o=.5*e->get_courbe()->get_periode();
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o=t1o-t1;
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t2o=t2+o;
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if (t2o>period)
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t2o -= period;
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if (t2o<0)
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t2o += period;
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dir = OT_VECTEUR_3D(xyz2);
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dir -= OT_VECTEUR_3D(xyz1);
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dir /= Sense()*(t2o-t1o);
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return dir;
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}
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double MakeLoops::CoEdge::MeshAngleInPlane(CoEdge & __coEdge, OT_VECTEUR_3D & __normal, MG_MAILLAGE * __mesh)
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{
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OT_MATRICE_3D repereNormal, transform3DToRepereNormal;
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OT_VECTEUR_3D dir1_3D, dir2_3D, dir1_2D, dir2_2D, normal_2D;
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if (IsInverse(__coEdge))
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return -M_PI;
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if (IsAfter(__coEdge))
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{
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dir2_3D=StartMeshDir(__mesh);
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dir1_3D=__coEdge.EndMeshDir(__mesh);
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}
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else if (IsBefore(__coEdge))
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{
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dir1_3D=EndMeshDir(__mesh);
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dir2_3D=__coEdge.StartMeshDir(__mesh);
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}
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else return 1E308;
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double angle = AngleInPlane(dir1_3D, dir2_3D, __normal);
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francois |
1075 |
printf("Angle Between %lu and %lu = %f\n", e->get_id(), __coEdge.e->get_id(), angle);
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foucault |
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return angle;
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}
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double MakeLoops::CoEdge::AngleInPlane(CoEdge & __coEdge, OT_VECTEUR_3D & __normal)
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{
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OT_VECTEUR_3D dir1_3D, dir2_3D;
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if (IsInverse(__coEdge))
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return -M_PI;
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if (IsAfter(__coEdge))
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{
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dir2_3D=StartDir();
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dir1_3D=__coEdge.EndDir();
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}
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else if (IsBefore(__coEdge))
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{
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dir1_3D=EndDir();
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dir2_3D=__coEdge.StartDir();
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}
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else return 1E308;
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double angle = AngleInPlane(dir1_3D, dir2_3D, __normal);
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francois |
1075 |
printf("Angle Between %lu and %lu = %f\n", e->get_id(), __coEdge.e->get_id(), angle);
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foucault |
27 |
return angle;
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}
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double MakeLoops::CoEdge::AngleInPlane(OT_VECTEUR_3D & dir1_3D, OT_VECTEUR_3D & dir2_3D, OT_VECTEUR_3D & __normal)
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{
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OT_VECTEUR_3D dir1_2D, dir2_2D;
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OT_MATRICE_3D repereNormal, transform3DToRepereNormal;
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repereNormal = GeometricTools::GetPlaneFrame(__normal);
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repereNormal.transpose(transform3DToRepereNormal);
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dir1_2D=transform3DToRepereNormal*dir1_3D;
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dir2_2D=transform3DToRepereNormal*dir2_3D;
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dir2_2D[2]=dir1_2D[2]=0;
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dir1_2D = dir1_2D;
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double x=1/(dir1_2D.get_longueur()*dir2_2D.get_longueur());
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double cs = x*(dir1_2D*dir2_2D);
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OT_VECTEUR_3D Y=OT_VECTEUR_3D(0,0,1)&dir1_2D;
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double sn = dir2_2D*Y;
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if (cs>1)cs=1;else if (cs<-1)cs=-1;
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double angle = acos (cs);
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if (sn<0) angle = -angle;
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return angle;
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}
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| 310 |
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MakeLoops::MakeLoops(std::vector <MG_FACE*> __faceList, std::vector <MG_ARETE*> __edgeList, std::vector <int> __senseList)
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| 312 |
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{
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for (unsigned i=0; i<__edgeList.size(); i++)
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| 314 |
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{
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| 315 |
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MG_FACE * face = __faceList[i];
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| 316 |
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MG_ARETE * edge = __edgeList[i];
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| 317 |
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int sense = __senseList[i];
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| 318 |
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if (_mapFaceCoEdge.find(face) == _mapFaceCoEdge.end())
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| 319 |
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{
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| 320 |
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std::set < CoEdge * > faceCoEdges;
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faceCoEdges.insert(new CoEdge(face, edge, sense));
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| 322 |
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_mapFaceCoEdge[face] = faceCoEdges;
|
| 323 |
|
|
}
|
| 324 |
|
|
else
|
| 325 |
|
|
{
|
| 326 |
|
|
_mapFaceCoEdge[face].insert(new CoEdge(face, edge, sense));
|
| 327 |
|
|
}
|
| 328 |
|
|
}
|
| 329 |
|
|
}
|
| 330 |
|
|
MakeLoops::~MakeLoops()
|
| 331 |
|
|
{
|
| 332 |
|
|
for (std::map < MG_FACE * , std::set < CoEdge * > >::iterator itLst = _mapFaceCoEdge.begin();
|
| 333 |
|
|
itLst != _mapFaceCoEdge.end();
|
| 334 |
|
|
itLst++)
|
| 335 |
|
|
{
|
| 336 |
|
|
std::set < CoEdge * > & lst = itLst->second;
|
| 337 |
|
|
for ( std::set < CoEdge * >::iterator itCoEdge = lst.begin(); itCoEdge != lst.end(); itCoEdge++)
|
| 338 |
|
|
{
|
| 339 |
|
|
CoEdge * coedge = *itCoEdge;
|
| 340 |
|
|
delete coedge;
|
| 341 |
|
|
}
|
| 342 |
|
|
}
|
| 343 |
|
|
}
|
| 344 |
|
|
std::string MakeLoops::PrintFaceNormalAtVertices(MG_FACE * __face)
|
| 345 |
|
|
{
|
| 346 |
|
|
std::stringstream out;
|
| 347 |
|
|
unsigned N=0;
|
| 348 |
|
|
MCFace * mcFace = (MCFace*) __face;
|
| 349 |
|
|
out << "BaseColor { rgb 0.5 0 0 }\n";
|
| 350 |
|
|
out << "\n Coordinate3 {\n point [ \n";
|
| 351 |
|
|
std::set < CoEdge * > & lst = _mapFaceCoEdge[__face];
|
| 352 |
|
|
for (std::set < CoEdge * >::iterator itCoEdge = lst.begin();
|
| 353 |
|
|
itCoEdge != lst.end();
|
| 354 |
|
|
itCoEdge++)
|
| 355 |
|
|
{
|
| 356 |
|
|
CoEdge * current = *itCoEdge;
|
| 357 |
|
|
MCVertex * vertex = (MCVertex *)current->StartVertex();
|
| 358 |
|
|
OT_VECTEUR_3D normal(0,0,0);
|
| 359 |
|
|
int nbRefFaces;
|
| 360 |
|
|
mcFace->calcul_normale_unitaire(vertex,normal,&nbRefFaces);
|
| 361 |
|
|
double xyz[3],xyz2[3];
|
| 362 |
|
|
vertex->get_point()->evaluer(xyz);
|
| 363 |
|
|
for (int i=0; i<3; i++) xyz2[i] = xyz[i]+normal[i]*.005;
|
| 364 |
|
|
out << xyz[0] <<" "<< xyz[1] <<" "<< xyz[2]<<",\n";
|
| 365 |
|
|
out << xyz2[0] <<" "<< xyz2[1] <<" "<< xyz2[2]<<",\n";
|
| 366 |
|
|
N+=2;
|
| 367 |
|
|
}
|
| 368 |
|
|
out << "\n]\n}\n";
|
| 369 |
|
|
out << "\nIndexedLineSet {";
|
| 370 |
|
|
out << "\ncoordIndex\n [ \n";
|
| 371 |
|
|
for (unsigned int j=0; j+1<N; j+=2)
|
| 372 |
|
|
{
|
| 373 |
|
|
out << j << ", ";
|
| 374 |
|
|
out << j+1 << ", ";
|
| 375 |
|
|
out << "-1,\n";
|
| 376 |
|
|
}
|
| 377 |
|
|
out << "] \n}\n";
|
| 378 |
|
|
|
| 379 |
|
|
return out.str();
|
| 380 |
|
|
}
|
| 381 |
|
|
void MakeLoops::GetFaceLoops(MG_FACE* __face, std::vector < std::vector < CoEdge *> > & __loops )
|
| 382 |
|
|
{
|
| 383 |
|
|
std::set < CoEdge * > & lst = _mapFaceCoEdge[__face];
|
| 384 |
|
|
std::set < CoEdge * > unvisited = lst;
|
| 385 |
|
|
|
| 386 |
foucault |
64 |
if (lst.size()==0) return;
|
| 387 |
|
|
|
| 388 |
foucault |
27 |
bool isMCT;
|
| 389 |
|
|
{
|
| 390 |
|
|
std::string MCSTR("MC");
|
| 391 |
|
|
std::string idorig = __face->get_idoriginal();
|
| 392 |
|
|
string::size_type loc = idorig.find( MCSTR, 0 );
|
| 393 |
|
|
isMCT = ( loc == 0 );
|
| 394 |
|
|
}
|
| 395 |
|
|
|
| 396 |
|
|
std::vector<CoEdge*> currentLoop;
|
| 397 |
|
|
CoEdge * current = 0;
|
| 398 |
|
|
|
| 399 |
|
|
while (unvisited.size())
|
| 400 |
|
|
{
|
| 401 |
|
|
if (current == 0 || current->next != 0 )
|
| 402 |
|
|
{
|
| 403 |
|
|
if (currentLoop.size())
|
| 404 |
|
|
{
|
| 405 |
|
|
__loops.push_back(currentLoop);
|
| 406 |
|
|
currentLoop.clear();
|
| 407 |
|
|
}
|
| 408 |
francois |
1075 |
printf("Loop %lu of Face %lu\n", __loops.size(), __face->get_id());
|
| 409 |
foucault |
27 |
current = *(unvisited.begin());
|
| 410 |
|
|
}
|
| 411 |
|
|
currentLoop.push_back(current);
|
| 412 |
|
|
unvisited.erase(current);
|
| 413 |
francois |
1075 |
printf("Edge %lu\n", current->e->get_id());
|
| 414 |
foucault |
27 |
|
| 415 |
|
|
double score_max = -(+M_PI+.001);
|
| 416 |
|
|
OT_VECTEUR_3D normal;
|
| 417 |
|
|
if (isMCT)
|
| 418 |
|
|
{
|
| 419 |
|
|
int nbRefFaceNormal;
|
| 420 |
|
|
MCVertex * mcVertex = (MCVertex*) current->EndVertex();
|
| 421 |
|
|
MCFace * mcFace = (MCFace*)__face;
|
| 422 |
|
|
mcFace->calcul_normale_unitaire(mcVertex, normal, &nbRefFaceNormal);
|
| 423 |
|
|
}
|
| 424 |
|
|
else
|
| 425 |
|
|
{
|
| 426 |
|
|
MG_SOMMET * vertex = current->EndVertex();
|
| 427 |
|
|
double xyzVertex[3]; vertex->get_point()->evaluer(xyzVertex);
|
| 428 |
|
|
double uvVertex[2]; __face->inverser(uvVertex, xyzVertex);
|
| 429 |
|
|
__face->calcul_normale_unitaire(uvVertex, normal);
|
| 430 |
|
|
}
|
| 431 |
|
|
|
| 432 |
|
|
|
| 433 |
|
|
for (std::set<CoEdge*>::const_iterator it = unvisited.begin(); it != unvisited.end(); it++)
|
| 434 |
|
|
{
|
| 435 |
|
|
CoEdge * candidate = *it;
|
| 436 |
|
|
if (candidate->IsAfter(*current))
|
| 437 |
|
|
{
|
| 438 |
|
|
double score = current->MeshAngleInPlane(*candidate, normal,0);
|
| 439 |
|
|
if (score > score_max)
|
| 440 |
|
|
{
|
| 441 |
|
|
score_max = score;
|
| 442 |
|
|
current->next = candidate;
|
| 443 |
|
|
}
|
| 444 |
|
|
}
|
| 445 |
|
|
}
|
| 446 |
|
|
|
| 447 |
|
|
current = current->next;
|
| 448 |
|
|
}
|
| 449 |
|
|
|
| 450 |
|
|
__loops.push_back(currentLoop);
|
| 451 |
|
|
int N=0;
|
| 452 |
|
|
for (unsigned k=0; k<__loops.size(); k++)
|
| 453 |
|
|
N+=__loops[k].size();
|
| 454 |
francois |
1075 |
printf("N=%d lst=%lu\n", N, lst.size());
|
| 455 |
foucault |
27 |
}
|
