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//------------------------------------------------------------
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//------------------------------------------------------------
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// MAGiC
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// Jean Christophe Cuillière et Vincent FRANCOIS
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// Département de Génie Mécanique - UQTR
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//------------------------------------------------------------
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// Le projet MAGIC est un projet de recherche du département
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// de génie mécanique de l'Université du Québec à
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// Trois Rivières
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// Les librairies ne peuvent être utilisées 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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// stbsplines.h
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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 à 11H24
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//------------------------------------------------------------
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//------------------------------------------------------------
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#ifndef STBSPLINESH
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#define STBSPLINESH
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#include "gestionversion.h"
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#ifdef WINDOWS_VERSION
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#ifdef BUILT_DLL_STEPLIB
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#define DLLPORTSTEP __declspec(dllexport)
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#else
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#define DLLPORTSTEP __declspec(dllimport)
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#endif
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#else
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#define DLLPORTSTEP
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#endif
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#include "st_surface.h"
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#include "st_point.h"
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#include "ot_mathematique.h"
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#include "st_ident.h"
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#include <vector> // etait <vector.h>
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class DLLPORTSTEP ST_B_SPLINE_SURF : public ST_SURFACE
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{
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public :
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ST_B_SPLINE_SURF(long LigneCourante,std::string idori,int bs_degre_u,int bs_degre_v,std::vector<int> bs_indexptsctr,std::vector<int> bs_knots_multiplicities_u,std::vector<int> bs_knots_multiplicities_v,std::vector<double> bs_knots_u,std::vector<double> bs_knots_v);
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ST_B_SPLINE_SURF(int bs_degre_u,int bs_degre_v,std::vector<double> &bs_knots_u,std::vector<double> &bs_knots_v,std::vector<double> &bs_ptsctr,std::vector<double> &bs_poids,int sense);
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~ST_B_SPLINE_SURF();
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virtual void evaluer(double *uv,double *xyz);
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virtual void deriver(double *uv,double *xyzdu, double *xyzdv);
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virtual void deriver_seconde(double *uv,double* xyzduu,double* xyzduv,double* xyzdvv,double *xyz = NULL , double *xyzdu = NULL , double *xyzdv =NULL);
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virtual void inverser(double *uv,double *xyz,double precision=1e-6);
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virtual int inverser2(double *uv,double *xyz,int num_test, double precision);
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virtual int est_periodique_u(void);
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virtual int est_periodique_v(void);
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virtual double get_periode_u(void);
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virtual double get_periode_v(void);
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virtual double get_umin(void);
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virtual double get_umax(void);
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virtual double get_vmin(void);
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virtual double get_vmax(void);
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virtual void initialiser(class ST_GESTIONNAIRE* gest);
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virtual int get_type_geometrique(TPL_LISTE_ENTITE<double> ¶m);
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virtual void est_util(class ST_GESTIONNAIRE* gest);
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virtual void get_param_NURBS(TPL_LISTE_ENTITE<double> ¶m);
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private:
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virtual int get_intervalle(int nb_point, int degre, double t, std::vector<double> &knots);
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virtual void get_valeur_fonction(int inter, double t, int degre, std::vector<double> &knots,double *grand_n);
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virtual void deriver_fonction(int inter,double t,int degre,int dd,std::vector<double> &knots,double *f_deriver);
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virtual void deriver_bs_kieme(int nb_ptsctr_u,int degre_u,std::vector<double> &knots_u,int nb_ptsctr_v,int degre_v,std::vector<double> &knots_v,double u,double v,int d,OT_VECTEUR_4D *skl);
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virtual void deriver_kieme(double *uv,int d,OT_VECTEUR_4D *skl);
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virtual void binomialCoef(double * Bin, int degre);
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int periodique_u;
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double periode_u;
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int periodique_v;
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double periode_v;
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int degre_u;
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int degre_v;
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int nb_ptsctr_u;
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int nb_ptsctr_v;
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int nb_point;
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std::vector<int> indexptsctr;
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std::vector<double> knots_u;
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std::vector<double> knots_v;
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std::vector<OT_VECTEUR_4D> ptsctr;
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int sens;
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double umin,umax;
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double vmin,vmax;
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};
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#endif
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