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francois |
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#include "gestionversion.h" |
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//--------------------------------------------------------------------------- |
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#pragma hdrstop |
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#include<math.h> |
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#include "vct_courbe.h" |
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#include "mg_courbe.h" |
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#include "mg_arete.h" |
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#include <iomanip> |
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//--------------------------------------------------------------------------- |
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#pragma package(smart_init) |
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VCT_COURBE::VCT_COURBE(MG_COURBE* elemgeo):VCT_ELEMENT_GEOMETRIQUE(elemgeo) |
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{ |
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int indx_premier_ptctr; |
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OT_VECTEUR_4DD V1,V2,V; |
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TPL_LISTE_ENTITE<double> nurbs_params; |
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elem_geo->get_param_NURBS(indx_premier_ptctr,nurbs_params); |
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int nb_points=1/4.*(nurbs_params.get_nb()-indx_premier_ptctr); |
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double2 ZERO=0.; |
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OT_VECTEUR_4DD VCT_NUL(0.,0.,0.,0.); |
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int nb_u=nurbs_params.get(3); |
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for (int s=0;s<nb_u-1;s++) |
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{ |
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V1[0]=nurbs_params.get(indx_premier_ptctr+ 4 * s); |
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V1[1]=nurbs_params.get(indx_premier_ptctr+ 4 * s + 1); |
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V1[2]=nurbs_params.get(indx_premier_ptctr+ 4 * s + 2); |
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V1[3]=nurbs_params.get(indx_premier_ptctr+ 4 * s + 3); |
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if (s==0) |
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lst_points.insert(lst_points.end(),V1); |
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V2[0]=nurbs_params.get(indx_premier_ptctr+ 4 * (s + 1)); |
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V2[1]=nurbs_params.get(indx_premier_ptctr+ 4 * (s + 1) + 1); |
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V2[2]=nurbs_params.get(indx_premier_ptctr+ 4 * (s + 1) + 2); |
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V2[3]=nurbs_params.get(indx_premier_ptctr+ 4 * (s + 1) + 3); |
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lst_points.insert(lst_points.end(),V2); |
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V=V2-V1; |
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V=V.vecteur_norme_3d(); |
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/* |
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francois |
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double2 norm_au_carre=(V[0]*V[0])+(V[1]*V[1])+(V[2]*V[2])+(V[3]*V[3]); |
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double2 norm=norm_au_carre^0.5; |
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francois |
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*/ |
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francois |
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if (V==VCT_NUL) |
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lst_vecteurs.insert(lst_vecteurs.end(),VCT_NUL); |
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francois |
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//if (norm!=ZERO) //{ |
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// V=1./norm*V; |
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else lst_vecteurs.insert(lst_vecteurs.end(),V); |
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//} |
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francois |
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} |
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construire_forme_tensorielle(); |
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} |
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VCT_COURBE::VCT_COURBE(VCT_COURBE& mdd):VCT_ELEMENT_GEOMETRIQUE(mdd.elem_geo) |
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{ |
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} |
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VCT_COURBE::~VCT_COURBE() |
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{ |
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} |
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