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francois |
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//---------------------------------------------------------------------------
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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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// OCC_Courbe.cpp
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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 11H22
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//------------------------------------------------------------
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//------------------------------------------------------------
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#pragma hdrstop
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#include "gestionversion.h"
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#ifdef BREP_OCC
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#include "occ_courbe.h"
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#include "Geom_Line.hxx"
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#include "gp_Lin.hxx"
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#include "Geom_Circle.hxx"
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#include "gp_Circ.hxx"
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#include "Geom_Ellipse.hxx"
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#include "gp_Elips.hxx"
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#include "Geom_Hyperbola.hxx"
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#include "gp_Hypr.hxx"
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#include "Geom_Parabola.hxx"
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#include "gp_Parab.hxx"
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#include "Geom_BezierCurve.hxx"
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#include "Geom_BSplineCurve.hxx"
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#include "GCPnts_AbscissaPoint.hxx"
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#include "GeomAdaptor_Curve.hxx"
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#include "GeomAbs_CurveType.hxx"
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#include "GeomAPI.hxx"
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#include "Handle_Geom2d_Curve.hxx"
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#include "gp_Pln.hxx"
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#include "GeomAPI_ProjectPointOnCurve.hxx"
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#include "ShapeAnalysis_Curve.hxx"
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#include "occ_fonction1.h"
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#include "BRep_Tool.hxx"
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#include "GeomConvert.hxx"
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#include <Geom_TrimmedCurve.hxx>
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#include "constantegeo.h"
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#include "ot_mathematique.h"
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#pragma package(smart_init)
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OCC_COURBE::OCC_COURBE(unsigned long num,TopoDS_Edge crb,OCC_FONCTION1& fonc):MG_COURBE(num),edge(crb),fonction1(fonc)
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{
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double first, last;
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Handle(Geom_Curve) courbe=BRep_Tool::Curve(edge, first, last);
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t_min=courbe->FirstParameter();
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t_max=courbe->LastParameter();
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}
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OCC_COURBE::OCC_COURBE(TopoDS_Edge crb, OCC_FONCTION1& fonc):MG_COURBE(),edge(crb), fonction1(fonc)
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{
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double first, last;
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Handle(Geom_Curve) courbe=BRep_Tool::Curve(edge, first, last);
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t_min=courbe->FirstParameter();
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t_max=courbe->LastParameter();
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}
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OCC_COURBE::OCC_COURBE(OCC_COURBE& mdd):MG_COURBE(mdd),edge(mdd.edge), fonction1(mdd.fonction1)
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{
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double first, last;
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Handle(Geom_Curve) courbe=BRep_Tool::Curve(edge, first, last);
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t_min=mdd.t_min;
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t_max=mdd.t_max;
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}
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OCC_COURBE::~OCC_COURBE()
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{
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}
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void OCC_COURBE::evaluer(double t, double *xyz)
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{
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double first, last;
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Handle(Geom_Curve) courbe=BRep_Tool::Curve(edge, first, last);
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gp_Pnt P;
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courbe->D0(t,P);
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xyz[0]=P.X();
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xyz[1]=P.Y();
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xyz[2]=P.Z();
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}
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void OCC_COURBE::deriver(double t,double *xyz)
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{
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double first, last;
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Handle(Geom_Curve) courbe=BRep_Tool::Curve(edge, first, last);
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gp_Pnt P;
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gp_Vec V;
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courbe->D1(t, P, V);
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xyz[0]=V.X();
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xyz[1]=V.Y();
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xyz[2]=V.Z();
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}
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void OCC_COURBE::deriver_seconde(double t,double *ddxyz,double *dxyz,double *xyz)
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{
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double first, last;
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Handle(Geom_Curve) courbe=BRep_Tool::Curve(edge, first, last);
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gp_Vec V1;
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gp_Vec V2;
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gp_Pnt P;
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courbe->D2(t,P,V1,V2);
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dxyz[0]=V1.X();
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dxyz[1]=V1.Y();
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dxyz[2]=V1.Z();
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ddxyz[0]=V2.X();
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ddxyz[1]=V2.Y();
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ddxyz[2]=V2.Z();
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xyz[0]=P.X();
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xyz[1]=P.Y();
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xyz[2]=P.Z();
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}
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void OCC_COURBE::inverser(double& t,double *xyz,double precision)
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{
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double first, last;
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Handle(Geom_Curve) courbe=BRep_Tool::Curve(edge, first, last);
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//ShapeAnalysis_Curve SAC;
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double tmin=courbe->FirstParameter();
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double tmax=courbe->LastParameter();
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francois |
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double xyz1[3],xyz2[3];
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francois |
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evaluer(tmin,xyz1);
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evaluer(tmax,xyz2);
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double max=fabs(xyz1[0]);
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if (max<xyz1[1]) max=xyz1[1];
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if (max<xyz1[2]) max=xyz1[2];
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if (max<xyz2[0]) max=xyz2[0];
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if (max<xyz2[1]) max=xyz2[1];
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if (max<xyz2[2]) max=xyz2[2];
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double eps=10.*precision*max;
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OT_VECTEUR_3D vec1(xyz,xyz1);
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OT_VECTEUR_3D vec2(xyz,xyz2); |
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if (vec1.get_longueur()<eps) {t=tmin;return;}
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if (vec2.get_longueur()<eps) {t=tmax;return;}
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double u=xyz[0];
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double v=xyz[1];
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double w=xyz[2];
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gp_Pnt P(u,v,w);
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//gp_Pnt proj;
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//Standard_Real param;
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//t=SAC.Project(courbe, P, precision, proj, param, Standard_True);*/
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GeomAPI_ProjectPointOnCurve PPC(P,courbe);
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//PPC.Perform(P);
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t=PPC.LowerDistanceParameter();
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}
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int OCC_COURBE::est_periodique(void)
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{
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double first, last;
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Handle(Geom_Curve) courbe=BRep_Tool::Curve(edge, first, last);
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return courbe->IsPeriodic();
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}
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double OCC_COURBE::get_periode(void)
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{
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double first, last;
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Handle(Geom_Curve) courbe=BRep_Tool::Curve(edge, first, last);
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if(courbe->IsPeriodic()==0) return 0.;
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return courbe->Period();
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}
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double OCC_COURBE::get_longueur(double t1,double t2,double precis)
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{
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double first, last;
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Handle(Geom_Curve) courbe=BRep_Tool::Curve(edge, first, last);
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double longueur;
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GeomAdaptor_Curve cc(courbe);
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longueur= GCPnts_AbscissaPoint::Length(cc,t1,t2,precis);
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return longueur;
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}
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void OCC_COURBE::enregistrer(std::ostream& o)
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{
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o <<"%"<<get_id()<<"=COURBE_OCC("<<fonction1.GetID(edge)<< ");" << std::endl;
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}
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int OCC_COURBE::get_type_geometrique(TPL_LISTE_ENTITE<double> ¶m)
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{
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double first, last;
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Handle(Geom_Curve) courbe=BRep_Tool::Curve(edge, first, last);
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Handle(Standard_Type) type=courbe->DynamicType();
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//***droite
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if(type==STANDARD_TYPE(Geom_Line))
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{
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Handle(Geom_Line) droite=Handle(Geom_Line)::DownCast(courbe);
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gp_Lin lin=droite->Lin();
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double origine[3];
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gp_Pnt centre=lin.Location();
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origine[0]=centre.X();
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origine[1]=centre.Y();
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origine[2]=centre.Z();
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double direction[3];
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gp_Dir dir=lin.Direction();
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direction[0]=dir.X();
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direction[1]=dir.Y();
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direction[2]=dir.Z();
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param.ajouter(origine[0]);
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param.ajouter(origine[1]);
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param.ajouter(origine[2]);
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param.ajouter(direction[0]);
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param.ajouter(direction[1]);
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param.ajouter(direction[2]);
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return MGCo_LINE;
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}
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//***circle
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if(type==STANDARD_TYPE(Geom_Circle))
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{
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Handle(Geom_Circle) circle=Handle_Geom_Circle::DownCast(courbe);
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gp_Circ Circ=circle->Circ();
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double origine[3];
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gp_Pnt centre=Circ.Location();
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origine[0]=centre.X();
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origine[1]=centre.Y();
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origine[2]=centre.Z();
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double direction[3];
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gp_Ax1 axe=Circ.Axis();
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gp_Dir dir=axe.Direction();
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direction[0]=dir.X();
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direction[1]=dir.Y();
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direction[2]=dir.Z();
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double rayon;
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rayon=Circ.Radius();
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param.ajouter(origine[0]);
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param.ajouter(origine[1]);
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param.ajouter(origine[2]);
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param.ajouter(direction[0]);
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param.ajouter(direction[1]);
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param.ajouter(direction[2]);
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param.ajouter(rayon);
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return MGCo_CIRCLE;
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}
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//*****ellipse
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if(type==STANDARD_TYPE(Geom_Ellipse))
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{
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Handle(Geom_Ellipse) ellipse=Handle_Geom_Ellipse::DownCast(courbe);
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gp_Elips Elips=ellipse->Elips();
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double origine[3];
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gp_Pnt centre=Elips.Location();
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origine[0]=centre.X();
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origine[1]=centre.Y();
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origine[2]=centre.Z();
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double Grayon;
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Grayon=Elips.MajorRadius();
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double Xdirectrise[3];
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gp_Ax1 Xaxe=Elips.Directrix1();
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gp_Dir dir=Xaxe.Direction();
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Xdirectrise[0]=dir.X();
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Xdirectrise[1]=dir.Y();
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Xdirectrise[2]=dir.Z();
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double Prayon;
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Prayon=Elips.MinorRadius();
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double Ydirectrise[3];
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gp_Ax1 Yaxe=Elips.Directrix2();
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gp_Dir dir1=Yaxe.Direction();
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Ydirectrise[0]=dir1.X();
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Ydirectrise[1]=dir1.Y();
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Ydirectrise[2]=dir1.Z();
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param.ajouter(origine[0]);
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param.ajouter(origine[1]);
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param.ajouter(origine[2]);
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param.ajouter(Grayon);
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param.ajouter(Xdirectrise[0]);
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param.ajouter(Xdirectrise[1]);
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param.ajouter(Xdirectrise[2]);
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param.ajouter(Prayon);
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param.ajouter(Ydirectrise[0]);
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param.ajouter(Ydirectrise[1]);
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param.ajouter(Ydirectrise[2]);
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return MGCo_ELLIPSE;
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}
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/* //*****hyperbole
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if(type==STANDARD_TYPE(Geom_Hyperbola))
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{
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Handle(Geom_Hyperbola) hyperbole=Handle_Geom_Hyperbola::DownCast(courbe);
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gp_Hypr Hyper=hyperbole->Hypr();
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double origine[3];
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gp_Pnt centre=Hyper.Location();
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origine[0]=centre.X();
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origine[1]=centre.Y();
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origine[2]=centre.Z();
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double Grayon;
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Grayon=Hyper.MajorRadius();
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double Xdirectrise[3];
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gp_Ax1 Xaxe=Hyper.Directrix1();
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gp_Dir Xdir=Xaxe.Direction();
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Xdirectrise[0]=Xdir.X();
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Xdirectrise[1]=Xdir.Y();
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Xdirectrise[2]=Xdir.Z();
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double Prayon;
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Prayon=Hyper.MinorRadius();
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double Ydirectrise[3];
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gp_Ax1 Yaxe=Hyper.Directrix1();
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gp_Dir Ydir=Yaxe.Direction();
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Ydirectrise[0]=Ydir.X();
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Ydirectrise[1]=Ydir.Y();
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Ydirectrise[2]=Ydir.Z();
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| 325 |
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|
|
| 326 |
|
|
|
| 327 |
|
|
param.ajouter(origine[0]);
|
| 328 |
|
|
param.ajouter(origine[1]);
|
| 329 |
|
|
param.ajouter(origine[2]);
|
| 330 |
|
|
param.ajouter(Grayon);
|
| 331 |
|
|
param.ajouter(Xdirectrise[0]);
|
| 332 |
|
|
param.ajouter(Xdirectrise[1]);
|
| 333 |
|
|
param.ajouter(Xdirectrise[2]);
|
| 334 |
|
|
param.ajouter(Prayon);
|
| 335 |
|
|
param.ajouter(Ydirectrise[0]);
|
| 336 |
|
|
param.ajouter(Ydirectrise[1]);
|
| 337 |
|
|
param.ajouter(Ydirectrise[2]);
|
| 338 |
|
|
|
| 339 |
|
|
|
| 340 |
|
|
return hyperbole->IsKind(STANDARD_TYPE(Geom_Hyperbola));
|
| 341 |
|
|
}
|
| 342 |
|
|
//*****parabole
|
| 343 |
|
|
if(type==STANDARD_TYPE(Geom_Parabola))
|
| 344 |
|
|
{
|
| 345 |
|
|
Handle(Geom_Parabola) parabole=Handle_Geom_Parabola::DownCast(courbe);
|
| 346 |
|
|
gp_Parab Parab=parabole->Parab();
|
| 347 |
|
|
|
| 348 |
|
|
double origine[3];
|
| 349 |
|
|
gp_Pnt centre=Parab.Location();
|
| 350 |
|
|
origine[0]=centre.X();
|
| 351 |
|
|
origine[1]=centre.Y();
|
| 352 |
|
|
origine[2]=centre.Z();
|
| 353 |
|
|
|
| 354 |
|
|
double focale;
|
| 355 |
|
|
focale=Parab.Focal();
|
| 356 |
|
|
double directrice[3];
|
| 357 |
|
|
gp_Ax1 dire=Parab.Directrix();
|
| 358 |
|
|
gp_Dir dir=dire.Direction();
|
| 359 |
|
|
directrice[0]=dir.X();
|
| 360 |
|
|
directrice[1]=dir.Y();
|
| 361 |
|
|
directrice[2]=dir.Z();
|
| 362 |
|
|
|
| 363 |
|
|
param.ajouter(origine[0]);
|
| 364 |
|
|
param.ajouter(origine[1]);
|
| 365 |
|
|
param.ajouter(origine[2]);
|
| 366 |
|
|
param.ajouter(focale);
|
| 367 |
|
|
param.ajouter(directrice[0]);
|
| 368 |
|
|
param.ajouter(directrice[1]);
|
| 369 |
|
|
param.ajouter(directrice[2]);
|
| 370 |
|
|
|
| 371 |
|
|
return parabole->IsKind(STANDARD_TYPE(Geom_Parabola));
|
| 372 |
|
|
} */
|
| 373 |
|
|
//*****Bspline
|
| 374 |
|
|
if(type==STANDARD_TYPE(Geom_BSplineCurve))
|
| 375 |
|
|
{
|
| 376 |
|
|
Handle(Geom_BSplineCurve) bspline=Handle_Geom_BSplineCurve::DownCast(courbe);
|
| 377 |
|
|
|
| 378 |
|
|
//nombre des noeuds
|
| 379 |
|
|
int nb_knot=bspline->NbKnots();
|
| 380 |
|
|
//valeur de noeud
|
| 381 |
|
|
for(int i=1; i<=nb_knot; i++)
|
| 382 |
|
|
{
|
| 383 |
|
|
double valeur=bspline->Knot(i);
|
| 384 |
|
|
param.ajouter(valeur);
|
| 385 |
|
|
}
|
| 386 |
|
|
//point de controle et poids
|
| 387 |
|
|
gp_Pnt pctr;
|
| 388 |
|
|
double poids;
|
| 389 |
|
|
for(int u=1; u<=bspline->NbPoles(); u++)
|
| 390 |
|
|
{
|
| 391 |
|
|
pctr=bspline->Pole(u);
|
| 392 |
|
|
param.ajouter(pctr.X());
|
| 393 |
|
|
param.ajouter(pctr.Y());
|
| 394 |
|
|
param.ajouter(pctr.Z());
|
| 395 |
|
|
poids=bspline->Weight(u);
|
| 396 |
|
|
param.ajouter(poids);
|
| 397 |
|
|
}
|
| 398 |
|
|
|
| 399 |
|
|
double Degree=bspline->Degree();
|
| 400 |
|
|
param.ajouter(Degree);
|
| 401 |
|
|
|
| 402 |
|
|
|
| 403 |
|
|
return MGCo_BSPLINE;
|
| 404 |
|
|
}
|
| 405 |
|
|
|
| 406 |
|
|
}
|
| 407 |
|
|
|
| 408 |
|
|
void OCC_COURBE::get_param_NURBS(int& indx_premier_ptctr,TPL_LISTE_ENTITE<double> ¶m)
|
| 409 |
|
|
{
|
| 410 |
|
|
//Conversion of the complete geometry of a shape into
|
| 411 |
|
|
//NURBS geometry
|
| 412 |
|
|
double first, last;
|
| 413 |
|
|
Handle(Geom_Curve) courbe=BRep_Tool::Curve(edge, first, last);
|
| 414 |
|
|
Handle(Geom_TrimmedCurve) curv=new Geom_TrimmedCurve(courbe, first, last);
|
| 415 |
|
|
Handle(Geom_BSplineCurve) bspline=GeomConvert::CurveToBSplineCurve(curv) ;
|
| 416 |
|
|
|
| 417 |
|
|
// The first parameter indicate the code access
|
| 418 |
|
|
param.ajouter(1); |
| 419 |
|
|
//The follewing two parameters of the list indicate the orders of the net points |
| 420 |
|
|
param.ajouter(bspline->Degree()+1); |
| 421 |
|
|
param.ajouter(0); |
| 422 |
|
|
|
| 423 |
|
|
//The follewing two parameters indicate the number of rows and colons of the control points |
| 424 |
|
|
//respectively to the two parameters directions |
| 425 |
|
|
param.ajouter(bspline->NbPoles()); |
| 426 |
|
|
param.ajouter(0); |
| 427 |
|
|
|
| 428 |
|
|
//this present the knot vector |
| 429 |
|
|
|
| 430 |
|
|
for(unsigned int i=1;i<=bspline->NbKnots();i++) |
| 431 |
|
|
{ |
| 432 |
|
|
param.ajouter(bspline->Knot(i)); |
| 433 |
|
|
} |
| 434 |
|
|
|
| 435 |
|
|
// in the following we construct the control point vector |
| 436 |
|
|
for(unsigned int j=1;j<=bspline->NbPoles();j++) |
| 437 |
|
|
{ |
| 438 |
|
|
double w=bspline->Weight(j); |
| 439 |
|
|
gp_Pnt point=bspline->Pole(j); |
| 440 |
|
|
double x=point.X(); |
| 441 |
|
|
double y=point.Y(); |
| 442 |
|
|
double z=point.Z(); |
| 443 |
|
|
param.ajouter(x); |
| 444 |
|
|
param.ajouter(y); |
| 445 |
|
|
param.ajouter(z); |
| 446 |
|
|
param.ajouter(w); |
| 447 |
|
|
} |
| 448 |
|
|
indx_premier_ptctr=5+bspline->NbKnots(); |
| 449 |
|
|
|
| 450 |
|
|
|
| 451 |
|
|
}
|
| 452 |
|
|
#endif
|
