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souaissa |
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#include "gestionversion.h"
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//---------------------------------------------------------------------------
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#pragma hdrstop
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#include "vct_point.h"
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#include "mg_point.h"
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//---------------------------------------------------------------------------
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#include <iomanip.h>
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#pragma package(smart_init)
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VCT_POINT::VCT_POINT(MG_POINT* elemgeo):VCT_ELEMENT_GEOMETRIQUE(elemgeo)
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{
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elem_geo->get_param_NURBS(indx_premier_ptctr,nurbs_params);
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nb_points=1./4*(nurbs_params.get_nb()-indx_premier_ptctr);
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}
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VCT_POINT::VCT_POINT(VCT_POINT& mdd):VCT_ELEMENT_GEOMETRIQUE(mdd.elem_geo)
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{
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mdd.elem_geo->get_param_NURBS(indx_premier_ptctr,nurbs_params);
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nb_points=1./4*(nurbs_params.get_nb()-indx_premier_ptctr);
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}
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VCT_POINT::~VCT_POINT()
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{
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}
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void VCT_POINT::get_vectorisation(vector<double2>& vct_lst)
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{
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//int indx_premier_ptctr;
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double2 ZERO=0.;
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//TPL_LISTE_ENTITE<double> param_point;
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//elem_geo->get_param_NURBS(indx_premier_ptctr, param_point);
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double2 vx,vy,vz,w;
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vx=nurbs_params.get(indx_premier_ptctr);
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vy=nurbs_params.get(indx_premier_ptctr+1);
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vz=nurbs_params.get(indx_premier_ptctr+2);
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w=nurbs_params.get(indx_premier_ptctr+3);
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double2 norm_au_carre=vx*vx+vy*vy+vz*vz+w*w;
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double2 norm=norm_au_carre^0.5;
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if(norm==ZERO)
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{
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vct_lst.insert(vct_lst.end(),0.);
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vct_lst.insert(vct_lst.end(),0.);
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vct_lst.insert(vct_lst.end(),0.);
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vct_lst.insert(vct_lst.end(),0.);
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}
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else{
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vct_lst.insert(vct_lst.end(),vx/norm);
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vct_lst.insert(vct_lst.end(),vy/norm);
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vct_lst.insert(vct_lst.end(),vz/norm);
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vct_lst.insert(vct_lst.end(),w/norm);
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}
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}
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void VCT_POINT::get_geo_barycentre(double2* xyz)
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{
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xyz[0]=0.;
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xyz[1]=0.;
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xyz[2]=0.;
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xyz[3]=0.;
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for(int i=0;i<nb_points;i++)
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{
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xyz[0]=xyz[0]+nurbs_params.get(4*i+indx_premier_ptctr);
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xyz[1]=xyz[1]+nurbs_params.get(4*i+indx_premier_ptctr+1);
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xyz[2]=xyz[2]+nurbs_params.get(4*i+indx_premier_ptctr+2);
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xyz[3]=xyz[2]+nurbs_params.get(4*i+indx_premier_ptctr+3);
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}
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xyz[0]=1./nb_points*xyz[0];
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xyz[1]=1./nb_points*xyz[1];
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xyz[2]=1./nb_points*xyz[2];
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xyz[3]=1./nb_points*xyz[3];
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}
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double2 VCT_POINT::get_inertie_au_centre_de_masse()
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{
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double2 xyz_g[4];
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double2 xyzi[4];
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this->get_geo_barycentre(xyz_g);
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xyzi[0]=0.;
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xyzi[1]=0.;
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xyzi[2]=0.;
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xyzi[3]=0.;
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double2 moment_inertie=0.;
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for(int i=0;i<nb_points;i++)
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{
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xyzi[0]=xyz_g[0]-nurbs_params.get(4*i+indx_premier_ptctr);
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xyzi[1]=xyz_g[1]-nurbs_params.get(4*i+indx_premier_ptctr+1);
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xyzi[2]=xyz_g[2]-nurbs_params.get(4*i+indx_premier_ptctr+2);
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xyzi[3]=xyz_g[3]-nurbs_params.get(4*i+indx_premier_ptctr+3);
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moment_inertie=moment_inertie+xyzi[0]*xyzi[0]+xyzi[1]*xyzi[1]+xyzi[2]*xyzi[2]+xyzi[3]*xyzi[3];
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}
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return moment_inertie;
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}
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void VCT_POINT::enregistrer(std::ostream& o)
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{
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int compt=0;
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for(int i=indx_premier_ptctr;i<nurbs_params.get_nb();i++)
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{
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o<<setw(15)<<nurbs_params.get(i);
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compt++;
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if(compt==4) {
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o<<endl;
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compt=0;}
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}
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}
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