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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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// stbspline.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 _HEADER_STBSPLINE_
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#define _HEADER_STBSPLINE_
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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_courbe.h"
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#include "st_point.h"
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#include <vector>
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#include "ot_mathematique.h"
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class DLLPORTSTEP ST_B_SPLINE : public ST_COURBE
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{
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public :
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ST_B_SPLINE(long LigneCourante,std::string idori,int bs_degre,std::vector<int> bs_indexptsctr,std::vector<int> bs_knots_multiplicities,std::vector<double> bs_knots);
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ST_B_SPLINE(int bs_degre,std::vector<double> &vec_knots,std::vector<double> &vec_point,std::vector<double> &vec_poids);
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~ST_B_SPLINE();
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virtual void evaluer(double t,double *xyz) ;
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virtual void deriver(double t,double *xyz) ;
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virtual void deriver_seconde(double t,double *ddxyz,double* dxyz = NULL,double* xyz = NULL);
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virtual void inverser(double& t,double *xyz,double precision=1e-6) ;
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virtual int inverser2(double& t,double *xyz,int num_test,double precision=1e-6) ;
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virtual double get_tmin();
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virtual double get_tmax();
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virtual double get_longueur(double t1,double t2,double precis=1e6);
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virtual int est_periodique(void);
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virtual double get_periode(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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private:
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virtual int get_intervalle(int nbptsctr, 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_pts(int nbptsctr,int degre,std::vector<double> &knots,std::vector<double> &ptsctr_x,int d,int r1,int r2,double *PK_x);
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virtual void deriver_bs_kieme(int nbptsctr,int degre,std::vector<double> &knots,std::vector<double> &ptsctr_x,double t,int d,double *CK);
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virtual void deriver_kieme(double t,int d,double *CK_x,double *CK_y,double *CK_z);
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virtual void get_tout_fonction(int inter, double t, int degre, std::vector<double> &knots, double *grand_n);
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virtual void binomialCoef(double * Bin, int degre);
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//virtual void ST_B_SPLINE::deriver_fonction(int inter,double t,int degre,int nb_point,vector<double> &knots,double *f_deriver);
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virtual void get_param_NURBS(TPL_LISTE_ENTITE<double> ¶m);
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int periodique;
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double periode;
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int degre;
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int nb_point;
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std::vector<int> indexptsctr;
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std::vector<double> knots;
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std::vector<double> poids;
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std::vector<double> ptsctr;
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};
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#endif
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