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francois |
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//---------------------------------------------------------------------------
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//------------------------------------------------------------
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//------------------------------------------------------------
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// MAGiC
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francois |
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// Jean Christophe Cuilli�re et Vincent FRANCOIS
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// D�partement de G�nie M�canique - UQTR
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francois |
139 |
//------------------------------------------------------------
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francois |
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// Le projet MAGIC est un projet de recherche du d�partement
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// de g�nie m�canique de l'Universit� du Qu�bec �
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// Trois Rivi�res
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// Les librairies ne peuvent �tre utilis�es sans l'accord
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francois |
139 |
// des auteurs (contact : francois@uqtr.ca)
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//------------------------------------------------------------
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//------------------------------------------------------------
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//
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// OCC_Surface.cpp
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//
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//------------------------------------------------------------
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//------------------------------------------------------------
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// COPYRIGHT 2000
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francois |
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// Version du 02/03/2006 � 11H22
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francois |
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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_surface.h"
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#include <gp_Pnt.hxx>
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#include <gp_Vec.hxx>
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#include "GeomAPI_ProjectPointOnSurf.hxx"
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#include <ShapeAnalysis_Surface.hxx>
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#include <BRep_Tool.hxx>
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#include <BRepAdaptor_Surface.hxx>
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//***********************************
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francois |
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#include <BRep_Tool.hxx>
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#include <Poly_Triangulation.hxx>
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francois |
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#include <Geom_Plane.hxx>
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#include <gp_Pln.hxx>
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#include <Geom_CylindricalSurface.hxx>
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#include <gp_Cylinder.hxx>
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#include <Geom_ConicalSurface.hxx>
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#include <gp_Cone.hxx>
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#include <Geom_SphericalSurface.hxx>
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#include <gp_Sphere.hxx>
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#include "Geom_ToroidalSurface.hxx"
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#include <gp_Torus.hxx>
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#include <Geom_BSplineSurface.hxx>
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#include <Geom_BezierSurface.hxx>
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#include <GeomConvert.hxx>
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#include <BRepBuilderAPI_NurbsConvert.hxx>
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#include <BRepLib_FindSurface.hxx>
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francois |
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#include "mg_gestionnaire.h"
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francois |
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#include "constantegeo.h"
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#pragma package(smart_init)
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OCC_SURFACE::OCC_SURFACE(unsigned long num, TopoDS_Face srf, OCC_FONCTION1& fonc):MG_SURFACE(num),face(srf), fonction1(fonc)
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{
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Handle(Geom_Surface) surface=BRep_Tool::Surface(face);
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double u1; double u2; double v1; double v2;
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surface->Bounds(u1,u2,v1, v2);
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u_min=u1;
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u_max=u2;
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v_min=v1;
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v_max=v2;
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}
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OCC_SURFACE::OCC_SURFACE(TopoDS_Face srf, OCC_FONCTION1& fonc):MG_SURFACE(),face(srf), fonction1(fonc)
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{
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Handle(Geom_Surface) surface=BRep_Tool::Surface(face);
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double u1; double u2; double v1; double v2;
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surface->Bounds(u1,u2,v1, v2);
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u_min=u1;
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u_max=u2;
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v_min=v1;
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v_max=v2;
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}
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OCC_SURFACE::OCC_SURFACE(OCC_SURFACE& mdd):MG_SURFACE(mdd),face(mdd.face), fonction1(mdd.fonction1)
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{
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Handle(Geom_Surface) surface=BRep_Tool::Surface(face);
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u_min=mdd.get_umin();
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u_max=mdd.get_umax();
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v_min=mdd.get_vmin();
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v_max=mdd.get_vmax();
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}
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OCC_SURFACE::~OCC_SURFACE()
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{
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}
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void OCC_SURFACE::evaluer(double *uv,double *xyz)
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{
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const Handle(Geom_Surface) &surface=BRep_Tool::Surface(face);
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gp_Pnt P;
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double u=uv[0];
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double v=uv[1];
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surface->D0(u,v,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_SURFACE::deriver(double *uv,double *xyzdu, double *xyzdv)
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{
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Handle(Geom_Surface) surface=BRep_Tool::Surface(face);
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double u=uv[0];
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double v=uv[1];
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gp_Vec D1U;
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gp_Vec D1V;
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gp_Pnt P;
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surface->D1(u,v,P,D1U,D1V);
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xyzdu[0]=D1U.X();
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xyzdu[1]=D1U.Y();
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xyzdu[2]=D1U.Z();
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xyzdv[0]=D1V.X();
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xyzdv[1]=D1V.Y();
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xyzdv[2]=D1V.Z();
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}
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void OCC_SURFACE::deriver_seconde(double *uv,double* xyzduu,double* xyzduv,double* xyzdvv,double *xyz, double *xyzdu, double *xyzdv)
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{
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Handle(Geom_Surface) surface=BRep_Tool::Surface(face);
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double u=uv[0];
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double v=uv[1];
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gp_Pnt P;
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gp_Vec D1U;
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gp_Vec D1V;
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gp_Vec D2U;
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gp_Vec D2V;
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gp_Vec D2UV;
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surface->D2(u,v,P,D1U,D1V,D2U,D2V,D2UV);
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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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xyzdu[0]=D1U.X();
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xyzdu[1]=D1U.Y();
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xyzdu[2]=D1U.Z();
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xyzdv[0]=D1V.X();
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xyzdv[1]=D1V.Y();
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xyzdv[2]=D1V.Z();
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xyzduu[0]=D2U.X();
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xyzduu[1]=D2U.Y();
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xyzduu[2]=D2U.Z();
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xyzdvv[0]=D2V.X();
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xyzdvv[1]=D2V.Y();
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xyzdvv[2]=D2V.Z();
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xyzduv[0]=D2UV.X();
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xyzduv[1]=D2UV.Y();
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xyzduv[2]=D2UV.Z();
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}
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void OCC_SURFACE::inverser(double *uv,double *xyz,double precision)
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{
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Handle(Geom_Surface) surface=BRep_Tool::Surface(face);
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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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//ShapeAnalysis_Surface SAS(surface);
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//gp_Pnt2d pnt2d=SAS.ValueOfUV(P, precision);
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GeomAPI_ProjectPointOnSurf PPS(P,surface, precision);
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//PPS.Perform(P);
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double UU, VV;
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PPS.LowerDistanceParameters(UU,VV);
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uv[0]=UU;
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uv[1]=VV;
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}
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int OCC_SURFACE::est_periodique_u(void)
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{
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Handle(Geom_Surface) surface=BRep_Tool::Surface(face);
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return surface->IsUClosed();
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}
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int OCC_SURFACE::est_periodique_v(void)
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{
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Handle(Geom_Surface) surface=BRep_Tool::Surface(face);
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return surface->IsVPeriodic();
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}
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double OCC_SURFACE::get_periode_u(void)
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{
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Handle(Geom_Surface) surface=BRep_Tool::Surface(face);
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if(surface->IsUPeriodic()==0) return 0.;
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return surface->UPeriod();
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}
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double OCC_SURFACE::get_periode_v(void)
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{
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Handle(Geom_Surface) surface=BRep_Tool::Surface(face);
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if(surface->IsVPeriodic()==0) return 0.;
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return surface->VPeriod();
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}
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void OCC_SURFACE::enregistrer(std::ostream& o)
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{
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o <<"%"<<get_id()<< "=SURFACE_OCC("<< fonction1.GetID(face)<< ");" << std::endl;
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}
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int OCC_SURFACE::get_type_geometrique(TPL_LISTE_ENTITE<double> ¶m)
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{
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Handle(Geom_Surface) surface=BRep_Tool::Surface(face);
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Handle(Standard_Type) type=surface->DynamicType();
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//******plan
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if(type==STANDARD_TYPE(Geom_Plane))
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{
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Handle(Geom_Plane) Pln=Handle(Geom_Plane)::DownCast(surface);
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gp_Pln plan=Pln->Pln();
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double origine[3];
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gp_Pnt centre=plan.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 normal[3];
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gp_Ax1 axe=plan.Axis();
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gp_Dir direction=axe.Direction();
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normal[0]=direction.X();
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normal[1]=direction.Y();
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normal[2]=direction.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(normal[0]);
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param.ajouter(normal[1]);
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param.ajouter(normal[2]);
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return MGCo_PLAN;
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}
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//******cylindre
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if(type==STANDARD_TYPE(Geom_CylindricalSurface))
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{
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Handle(Geom_CylindricalSurface) cylinder=Handle(Geom_CylindricalSurface)::DownCast(surface);
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gp_Cylinder cylin=cylinder->Cylinder();
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double origine[3];
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gp_Pnt centre=cylin.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=cylin.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=cylin.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_CYLINDRE;
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}
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//******Cone
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if(type==STANDARD_TYPE(Geom_ConicalSurface))
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{
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Handle(Geom_ConicalSurface) cone=Handle(Geom_ConicalSurface)::DownCast(surface);
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gp_Cone con=cone->Cone();
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double origine[3];
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gp_Pnt centre=con.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=con.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=con.RefRadius();
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double angle;
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angle=con.SemiAngle();
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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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param.ajouter(angle);
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return MGCo_CONE;
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}
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//*****Sphere
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if(type==STANDARD_TYPE(Geom_SphericalSurface))
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{
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| 315 |
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Handle(Geom_SphericalSurface) sphere=Handle(Geom_SphericalSurface)::DownCast(surface);
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gp_Sphere sph=sphere->Sphere();
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| 317 |
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double origine[3];
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gp_Pnt centre=sph.Location();
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| 320 |
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origine[0]=centre.X();
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origine[1]=centre.Y();
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| 322 |
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origine[2]=centre.Z();
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double rayon;
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rayon=sph.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(rayon);
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return MGCo_SPHERE;
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}
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| 333 |
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|
//****** Tore
|
| 334 |
|
|
if(type==STANDARD_TYPE(Geom_ToroidalSurface))
|
| 335 |
|
|
{
|
| 336 |
|
|
Handle(Geom_ToroidalSurface) tore=Handle(Geom_ToroidalSurface)::DownCast(surface);
|
| 337 |
|
|
gp_Torus tro=tore->Torus();
|
| 338 |
|
|
double origine[3];
|
| 339 |
|
|
gp_Pnt centre=tro.Location();
|
| 340 |
|
|
origine[0]=centre.X();
|
| 341 |
|
|
origine[1]=centre.Y();
|
| 342 |
|
|
origine[2]=centre.Z();
|
| 343 |
|
|
double direction[3];
|
| 344 |
|
|
gp_Ax1 axe=tro.Axis();
|
| 345 |
|
|
gp_Dir dir=axe.Direction();
|
| 346 |
|
|
direction[0]=dir.X();
|
| 347 |
|
|
direction[1]=dir.Y();
|
| 348 |
|
|
direction[2]=dir.Z();
|
| 349 |
|
|
double Grayon;
|
| 350 |
|
|
Grayon=tro.MajorRadius();
|
| 351 |
|
|
double Prayon;
|
| 352 |
|
|
Prayon=tro.MinorRadius();
|
| 353 |
|
|
|
| 354 |
|
|
param.ajouter(origine[0]);
|
| 355 |
|
|
param.ajouter(origine[1]);
|
| 356 |
|
|
param.ajouter(origine[2]);
|
| 357 |
|
|
param.ajouter(direction[0]);
|
| 358 |
|
|
param.ajouter(direction[1]);
|
| 359 |
|
|
param.ajouter(direction[2]);
|
| 360 |
|
|
param.ajouter(Grayon);
|
| 361 |
|
|
param.ajouter(Prayon);
|
| 362 |
|
|
|
| 363 |
|
|
return MGCo_TORE;
|
| 364 |
|
|
|
| 365 |
|
|
}
|
| 366 |
|
|
//*******BSpline
|
| 367 |
|
|
if(type==STANDARD_TYPE(Geom_BSplineSurface))
|
| 368 |
|
|
{
|
| 369 |
|
|
Handle(Geom_BSplineSurface) bspline=Handle(Geom_BSplineSurface)::DownCast(surface);
|
| 370 |
|
|
|
| 371 |
|
|
//nombre des noeuds suivant Udirection
|
| 372 |
|
|
int nb_Uknot=bspline->NbUKnots();
|
| 373 |
|
|
//valeur de Unoeud
|
| 374 |
|
|
for(int i=1; i<=nb_Uknot; i++)
|
| 375 |
|
|
{
|
| 376 |
|
|
double Uvaleur=bspline->UKnot(i);
|
| 377 |
|
|
param.ajouter(Uvaleur);
|
| 378 |
|
|
}
|
| 379 |
|
|
//nombre des noeuds suivants Vdirection
|
| 380 |
|
|
int nb_Vknot=bspline->NbVKnots();
|
| 381 |
|
|
//valeur de Vnoeud
|
| 382 |
|
|
for(int j=1; j<=nb_Vknot; j++)
|
| 383 |
|
|
{
|
| 384 |
|
|
double Vvaleur=bspline->VKnot(j);
|
| 385 |
|
|
param.ajouter(Vvaleur);
|
| 386 |
|
|
}
|
| 387 |
|
|
//point de controle et poids
|
| 388 |
|
|
gp_Pnt pctr;
|
| 389 |
|
|
double poids;
|
| 390 |
|
|
for(int u=1; u<=bspline->NbUPoles(); u++)
|
| 391 |
|
|
for(int v=1; v<=bspline->NbVPoles(); v++)
|
| 392 |
|
|
{
|
| 393 |
|
|
pctr=bspline->Pole(u, v);
|
| 394 |
|
|
|
| 395 |
|
|
param.ajouter(pctr.X());
|
| 396 |
|
|
param.ajouter(pctr.Y());
|
| 397 |
|
|
param.ajouter(pctr.Z());
|
| 398 |
|
|
|
| 399 |
|
|
poids=bspline->Weight(u, v);
|
| 400 |
|
|
param.ajouter(poids);
|
| 401 |
|
|
}
|
| 402 |
|
|
|
| 403 |
|
|
double uDegree=bspline->UDegree();
|
| 404 |
|
|
param.ajouter(uDegree);
|
| 405 |
|
|
double vDegree=bspline->VDegree();
|
| 406 |
|
|
param.ajouter(vDegree);
|
| 407 |
|
|
return MGCo_BSPLINES;
|
| 408 |
|
|
}
|
| 409 |
|
|
|
| 410 |
|
|
}
|
| 411 |
|
|
void OCC_SURFACE::get_param_NURBS(int& indx_premier_ptctr,TPL_LISTE_ENTITE<double> ¶m)
|
| 412 |
|
|
{
|
| 413 |
|
|
//Conversion of the complete geometry of a shape into
|
| 414 |
|
|
//NURBS geometry
|
| 415 |
|
|
BRepBuilderAPI_NurbsConvert NURBS(face);
|
| 416 |
|
|
Handle(Geom_Surface) surface=BRepLib_FindSurface(NURBS).Surface();
|
| 417 |
|
|
Handle(Geom_BSplineSurface) bspline=GeomConvert::SurfaceToBSplineSurface(surface) ;
|
| 418 |
|
|
|
| 419 |
|
|
// The first parameter indicate the code access
|
| 420 |
francois |
275 |
param.ajouter(2);
|
| 421 |
|
|
//The follewing two parameters of the list indicate the orders of the net points
|
| 422 |
|
|
param.ajouter( bspline->UDegree()+1);
|
| 423 |
|
|
param.ajouter(bspline->VDegree()+1);
|
| 424 |
francois |
139 |
|
| 425 |
francois |
275 |
//The follewing two parameters indicate the number of rows and colons of the control points
|
| 426 |
|
|
//respectively to the two parameters directions
|
| 427 |
|
|
param.ajouter(bspline->NbUPoles());
|
| 428 |
|
|
param.ajouter(bspline->NbVPoles());
|
| 429 |
francois |
139 |
|
| 430 |
francois |
275 |
// this present the knot vector in the u-direction
|
| 431 |
|
|
for(unsigned int i=1;i<=bspline->NbUKnots();i++)
|
| 432 |
|
|
{
|
| 433 |
|
|
param.ajouter(bspline->UKnot(i));
|
| 434 |
|
|
}
|
| 435 |
|
|
//This present the knot vector in the v-direction
|
| 436 |
|
|
for(unsigned int j=1;j<=bspline->NbVKnots();j++)
|
| 437 |
|
|
{
|
| 438 |
|
|
param.ajouter(bspline->VKnot(j));
|
| 439 |
|
|
}
|
| 440 |
|
|
|
| 441 |
|
|
for(int u=1;u<=bspline->NbUPoles();u++)
|
| 442 |
|
|
{
|
| 443 |
|
|
for(int v=1;v<=bspline->NbVPoles();v++)
|
| 444 |
|
|
{
|
| 445 |
|
|
double w=bspline->Weight(u,v);
|
| 446 |
|
|
gp_Pnt point=bspline->Pole(u, v);
|
| 447 |
|
|
double x=point.X();
|
| 448 |
|
|
double y=point.Y();
|
| 449 |
|
|
double z=point.Z();
|
| 450 |
|
|
param.ajouter(x);
|
| 451 |
|
|
param.ajouter(y);
|
| 452 |
|
|
param.ajouter(z);
|
| 453 |
|
|
param.ajouter(w);
|
| 454 |
|
|
}
|
| 455 |
|
|
|
| 456 |
|
|
}
|
| 457 |
|
|
indx_premier_ptctr=5+bspline->NbUKnots()+bspline->NbVKnots();
|
| 458 |
|
|
|
| 459 |
|
|
|
| 460 |
|
|
|
| 461 |
|
|
|
| 462 |
|
|
|
| 463 |
francois |
139 |
}
|
| 464 |
francois |
275 |
|
| 465 |
|
|
void OCC_SURFACE::get_triangulation(MG_MAILLAGE* mai,MG_FACE* mgface,multimap<double,MG_NOEUD*,less<double> >& tabnoeudfus,double eps,int mode)
|
| 466 |
|
|
{
|
| 467 |
|
|
TopLoc_Location L;
|
| 468 |
|
|
Handle (Poly_Triangulation) pt=BRep_Tool::Triangulation(face,L);
|
| 469 |
|
|
int nbnoeud=pt->NbNodes();
|
| 470 |
|
|
int nbmaille=pt->NbTriangles();
|
| 471 |
|
|
const TColgp_Array1OfPnt& nodes = pt->Nodes();
|
| 472 |
|
|
const Poly_Array1OfTriangle& triangles = pt->Triangles();
|
| 473 |
|
|
const TColgp_Array1OfPnt2d& uvNodes = pt->UVNodes();
|
| 474 |
|
|
vector<MG_NOEUD*> tabnoeud;
|
| 475 |
|
|
for ( Standard_Integer i = 0; i < nbnoeud; i++ )
|
| 476 |
|
|
{
|
| 477 |
|
|
gp_Pnt p1=nodes(i+1);
|
| 478 |
|
|
double xx=p1.X();
|
| 479 |
|
|
double yy=p1.Y();
|
| 480 |
|
|
double zz=p1.Z();
|
| 481 |
|
|
double key=fabs(xx)+fabs(yy)+fabs(zz);
|
| 482 |
|
|
MG_NOEUD* nvnoeud=NULL;
|
| 483 |
|
|
if (mode>1)
|
| 484 |
|
|
{
|
| 485 |
|
|
multimap<double,MG_NOEUD*,less<double> >::iterator it,itbas,ithaut;
|
| 486 |
|
|
itbas=tabnoeudfus.lower_bound(key*0.99);
|
| 487 |
|
|
ithaut=tabnoeudfus.upper_bound(key*1.1010101);
|
| 488 |
|
|
for ( it=itbas ; it != ithaut; it++ )
|
| 489 |
|
|
{
|
| 490 |
|
|
MG_NOEUD* ntmp=(*it).second;
|
| 491 |
|
|
double xtmp=ntmp->get_x();
|
| 492 |
|
|
double ytmp=ntmp->get_y();
|
| 493 |
|
|
double ztmp=ntmp->get_z();
|
| 494 |
|
|
OT_VECTEUR_3D vec(xtmp-xx,ytmp-yy,ztmp-zz);
|
| 495 |
|
|
if (vec.get_longueur()<1e-6*eps) {nvnoeud=ntmp;break;}
|
| 496 |
|
|
}
|
| 497 |
|
|
}
|
| 498 |
|
|
if (nvnoeud==NULL)
|
| 499 |
|
|
{
|
| 500 |
|
|
nvnoeud=new MG_NOEUD(mgface,xx,yy,zz,TRIANGULATION);
|
| 501 |
|
|
mai->ajouter_mg_noeud(nvnoeud);
|
| 502 |
|
|
std::pair<double,MG_NOEUD*> tmp(key,nvnoeud);
|
| 503 |
|
|
tabnoeudfus.insert(tmp);
|
| 504 |
|
|
}
|
| 505 |
|
|
|
| 506 |
|
|
|
| 507 |
|
|
tabnoeud.insert(tabnoeud.end(),nvnoeud);
|
| 508 |
|
|
}
|
| 509 |
|
|
for ( Standard_Integer i = 0; i < nbmaille; i++ )
|
| 510 |
|
|
{
|
| 511 |
|
|
int n1,n2,n3;
|
| 512 |
|
|
Poly_Triangle triangle = triangles( i + 1 );
|
| 513 |
|
|
bool face_reversed = (face.Orientation() == TopAbs_REVERSED);
|
| 514 |
|
|
if ( face_reversed )
|
| 515 |
|
|
triangle.Get( n1, n3, n2 );
|
| 516 |
|
|
else
|
| 517 |
|
|
triangle.Get( n1, n2, n3 );
|
| 518 |
|
|
MG_NOEUD* noeud1=tabnoeud[n1-1];
|
| 519 |
|
|
MG_NOEUD* noeud2=tabnoeud[n2-1];
|
| 520 |
|
|
MG_NOEUD* noeud3=tabnoeud[n3-1];
|
| 521 |
|
|
mai->ajouter_mg_triangle(mgface,noeud1,noeud2,noeud3,TRIANGULATION);
|
| 522 |
|
|
|
| 523 |
|
|
|
| 524 |
|
|
}
|
| 525 |
|
|
}
|
| 526 |
|
|
|
| 527 |
francois |
139 |
#endif
|
