CAD4FE_PolySurface.cpp

Aller à la documentation de ce fichier.

//####//------------------------------------------------------------
//####//------------------------------------------------------------
//####//  MAGiC
//####//  Jean Christophe Cuilliere et Vincent FRANCOIS
//####//  Departement de Genie Mecanique - UQTR
//####//------------------------------------------------------------
//####//  MAGIC est un projet de recherche de l equipe ERICCA
//####//  du departement de genie mecanique de l Universite du Quebec a Trois Rivieres
//####//  http://www.uqtr.ca/ericca
//####//  http://www.uqtr.ca/
//####//------------------------------------------------------------
//####//------------------------------------------------------------
//####//
//####//       CAD4FE_PolySurface.cpp
//####//
//####//------------------------------------------------------------
//####//------------------------------------------------------------
//####//    COPYRIGHT 2000-2024
//####//  jeu 13 jun 2024 11:58:54 EDT
//####//------------------------------------------------------------
//####//------------------------------------------------------------
 
#include "gestionversion.h"
#include "mg_geometrie.h"
#include "mg_arete.h"
#include "tpl_fonction.h"
 
#include <map>
#include <ostream>
#include <string>
#include <vector>
 
 
#pragma hdrstop
 
#include "CAD4FE_PolySurface.h"
#include "CAD4FE_MCVertex.h"
#include "ot_mathematique.h"
#include "math.h"
 
 
#pragma package(smart_init)
 
#ifdef __BORLANDC__
#pragma warn -8012
#endif
 
using namespace CAD4FE;
 
PolySurface::PolySurface(MG_FACE * __refFace)
{
    // Add the reference face in the list of faces
    _lst_ref_faces.insert(__refFace);
}
 
void PolySurface::InsertSurface(MG_FACE *__refFace)
{
    // Add the reference face in the list of faces
    _lst_ref_faces.insert(__refFace);
}
 
void PolySurface::Merge( PolySurface & __polySurface )
{
    // Add the reference faces in the list of faces
    std::set<MG_FACE*> & r = __polySurface._lst_ref_faces;
 
    for (std::set<MG_FACE*>::iterator itRefFace = r.begin();
            itRefFace != r.end();
            itRefFace++)
        _lst_ref_faces.insert(*itRefFace);
}
 
 
void PolySurface::evaluer(double *uv,double *xyz)
{
 
}
 
 
void PolySurface::deriver(double *uv,double *xyzdu, double *xyzdv)
{
 
}
 
 
void PolySurface::deriver_seconde(double *uv,double* xyzduu,double* xyzduv,double* xyzdvv,double *xyz, double *xyzdu, double *xyzdv)
{
 
}
 
 
void PolySurface::inverser(double *uv,double *xyz,double precision)
{
 
}
 
bool PolySurface::est_sur_surface(double* xyz, double precision)
{
  std::cout <<" *** PolySurface::est_sur_surface : FONCTION NON IMPLEMENTE ***" << std::endl;
  return false;
}
 
 
int PolySurface::est_periodique_u(void)
{
 
    return 0;
}
 
 
int PolySurface::est_periodique_v(void)
{
 
    return 0;
}
 
 
double PolySurface::get_periode_u(void)
{
 
    return 0;
}
 
 
double PolySurface::get_periode_v(void)
{
    return 0;
 
}
 
 
 
void PolySurface::enregistrer(std::ostream& o,double version)
{
    unsigned int i;
 
    o << "%" << get_id()
    << "=CAD4FE_POLYSURFACE(" << GetRefFaceCount() << ",(";
 
    for (i=0; i < GetRefFaceCount(); i++)
    {
        if ( i ) o <<",";
        o << "$" << GetRefFace(i)->get_id();
    }
 
    o << "));" << std::endl;;
}
 
 
int PolySurface::get_type_geometrique(TPL_LISTE_ENTITE<double> &param)
{
    return 0;
}
 
bool PolySurface::Contains(MG_ARETE * __refEdge)
{
    int nb_coedge = __refEdge->get_nb_mg_coarete();
    for (int i=0; i<nb_coedge; i++)
    {
        MG_FACE * f = __refEdge->get_mg_coarete(i)->get_boucle()->get_mg_face();
        if (Contains(f))
            return true;
    }
    return false;
}
 
bool PolySurface::Contains(MG_FACE * __refFace)
{
    return ( _lst_ref_faces.find(__refFace) != _lst_ref_faces.end());
}
 
MG_FACE * PolySurface::GetRefFace(unsigned int __index)
{
    std::set<MG_FACE*>::iterator itFace = _lst_ref_faces.begin();
    std::advance (itFace, __index);
    return *itFace;
}
 
std::set<MG_FACE*> & PolySurface::GetRefFaces()
{
    return _lst_ref_faces;
}
 
unsigned int PolySurface::GetRefFaceCount()
{
    return _lst_ref_faces.size();
}
void PolySurface::calcul_normale_unitaire(MG_SOMMET *v, double __normal[3], int * __nbRefFace)
{
    double angleTot=0;
    OT_VECTEUR_3D normalTriangle(0,0,0);
 
    MG_NOEUD * refNode = 0;
    TPL_SET < MG_ELEMENT_MAILLAGE * > * refNodeMesh = v->get_lien_maillage();
    TPL_SET < MG_ELEMENT_MAILLAGE * >::ITERATEUR it;
    refNode = (MG_NOEUD *)refNodeMesh->get_premier(it);
    TPL_LISTE_ENTITE<MG_TRIANGLE*>* adjacentTriangles = refNode->get_lien_triangle();
    unsigned itTriang;
    for (itTriang=0;itTriang <adjacentTriangles->get_nb(); itTriang++)
    {
        MG_TRIANGLE* t = adjacentTriangles->get(itTriang);
        MG_FACE * refFace = (MG_FACE*) t->get_lien_topologie();
        if ( Contains(refFace) == false)
            continue;
        int id=-1;
        MG_NOEUD * nos[3]={t->get_noeud1(),t->get_noeud2(),t->get_noeud3()};
        for (int j=0;j<3;j++)
            if (nos[j] == refNode)
            {
                id = j;
                break;
            }
        OT_VECTEUR_3D x[3];
        for (int j=0;j<3;j++)
            x[j]=OT_VECTEUR_3D(nos[j]->get_coord());
        OT_VECTEUR_3D x1x2 = x[id]-x[(id+2)%3];
        x1x2.norme();
        OT_VECTEUR_3D x2x3 = x[(id+1)%3]-x[id];
        x2x3.norme();
        OT_VECTEUR_3D normal = x1x2&x2x3;
        double angle = acos(-(x1x2*x2x3));
        normal *= angle;
        angleTot += angle;
        normalTriangle += normal;
    }
    if (angleTot != 0)
    {
        normalTriangle /= angleTot;
        for (int j=0;j<3;j++)
            __normal[j]=normalTriangle[j];
    }
    else
    {
        for (int j=0;j<3;j++)
            __normal[j]=0;
    }
    *__nbRefFace = ceil(angleTot);
}
 
void PolySurface::calcul_normale_unitaire(MCVertex * __mcVertex, double __n[3], int *__nbRefFace)
{
    // normal = 1/n * sum_i=1,n ( normal(ref face) )
    // where n is the number of reference faces adjacent to reference vertex and contained in the MC Face
 
    OT_VECTEUR_3D tmpNormal(0,0,0);
    MG_SOMMET * v =  __mcVertex->GetRefVertex();
    int nbRefFace=0;
    calcul_normale_unitaire(v, __n, &nbRefFace);
    std::map <unsigned long, MG_SOMMET *> & mergedVertices = __mcVertex->GetMergedRefVertices();
    for (std::map <unsigned long, MG_SOMMET *>::iterator itRefVertex=mergedVertices.begin();
            itRefVertex != mergedVertices.end();
            itRefVertex++)
    {
        v = itRefVertex->second;
        int tmpnbRefFace;
        calcul_normale_unitaire(v, tmpNormal, &tmpnbRefFace);
        for (int i=0;i<3;i++) __n[i]+=tmpNormal[i];
        nbRefFace += tmpnbRefFace;
    }
    *__nbRefFace = nbRefFace;
}
 
void PolySurface::calcul_normale_unitaire(const std::map<MG_FACE *, OT_VECTEUR_3D > & __tabRefFaceUV, double __n[3], int *__nbRefFace)
{
    (*__nbRefFace) = 0;
    OT_VECTEUR_3D n(0,0,0);
 
    for (std::map<MG_FACE *, OT_VECTEUR_3D >::const_iterator itF = __tabRefFaceUV.begin();
            itF != __tabRefFaceUV.end(); itF++)
    {
        MG_FACE * refFace = itF->first;
 
        if ( _lst_ref_faces.find(refFace) == _lst_ref_faces.end() )
            continue;
 
        OT_VECTEUR_3D refFaceNormal;
        OT_VECTEUR_3D refFaceUV=itF->second;
        refFace->calcul_normale_unitaire(refFaceUV,refFaceNormal);
 
        n += refFaceNormal;
 
        (*__nbRefFace)++;
    }
 
    if ((*__nbRefFace)==0)
        return;
 
    n /= (*__nbRefFace);
 
    double inv_n_norm = 1/n.get_longueur();
    for (int i=0; i<3; i++)
        __n[i]=n[i]*inv_n_norm;
}
 
void PolySurface::get_param_NURBS(int& indx_premier_ptctr, TPL_LISTE_ENTITE<double> &param)
{
    return;
}
 
void PolySurface::get_liste_pole(std::vector<double> *liste_pole,double eps)
{
printf("void PolySurface::get_liste_pole(std::vector<double> *liste_pole) : Fonction non implementee !\n");
}