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348 lines
13 KiB
C++
Executable File
348 lines
13 KiB
C++
Executable File
// File: GeomAPI_ProjectPointOnSurf.cxx
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// Created: Thu Mar 17 16:00:37 1994
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// Author: Bruno DUMORTIER
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#include <GeomAPI_ProjectPointOnSurf.ixx>
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#include <GeomAdaptor_Surface.hxx>
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#include <Precision.hxx>
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//=======================================================================
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//function : GeomAPI_ProjectPointOnSurf
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//purpose :
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//=======================================================================
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GeomAPI_ProjectPointOnSurf::GeomAPI_ProjectPointOnSurf()
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: myIsDone (Standard_False) { }
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//=======================================================================
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//function : GeomAPI_ProjectPointOnSurf
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//purpose :
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//=======================================================================
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GeomAPI_ProjectPointOnSurf::GeomAPI_ProjectPointOnSurf (const gp_Pnt& P,
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const Handle(Geom_Surface)& Surface)
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{
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Init (P, Surface);
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}
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//=======================================================================
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//function : GeomAPI_ProjectPointOnSurf
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//purpose :
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//=======================================================================
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GeomAPI_ProjectPointOnSurf::GeomAPI_ProjectPointOnSurf (const gp_Pnt& P,
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const Handle(Geom_Surface)& Surface,
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const Standard_Real Tolerance)
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{
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Init (P, Surface, Tolerance);
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}
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//=======================================================================
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//function : GeomAPI_ProjectPointOnSurf
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//purpose :
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//=======================================================================
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GeomAPI_ProjectPointOnSurf::GeomAPI_ProjectPointOnSurf(const gp_Pnt& P,
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const Handle(Geom_Surface)& Surface,
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const Standard_Real Umin,
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const Standard_Real Usup,
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const Standard_Real Vmin,
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const Standard_Real Vsup)
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{
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Init (P, Surface, Umin, Usup, Vmin, Vsup);
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}
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//=======================================================================
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//function : GeomAPI_ProjectPointOnSurf
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//purpose :
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//=======================================================================
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GeomAPI_ProjectPointOnSurf::GeomAPI_ProjectPointOnSurf (const gp_Pnt& P,
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const Handle(Geom_Surface)& Surface,
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const Standard_Real Umin,
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const Standard_Real Usup,
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const Standard_Real Vmin,
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const Standard_Real Vsup,
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const Standard_Real Tolerance)
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{
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Init (P, Surface, Umin, Usup, Vmin, Vsup, Tolerance);
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}
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//=======================================================================
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//function : Init
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//purpose :
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//=======================================================================
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void GeomAPI_ProjectPointOnSurf::Init ()
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{
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myIsDone = myExtPS.IsDone() && ( myExtPS.NbExt() > 0);
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if ( myIsDone) {
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// evaluate the lower distance and its index;
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Standard_Real Dist2, Dist2Min = myExtPS.SquareDistance(1);
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myIndex = 1;
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for ( Standard_Integer i = 2; i <= myExtPS.NbExt(); i++) {
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Dist2 = myExtPS.SquareDistance(i);
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if (Dist2 < Dist2Min) {
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Dist2Min = Dist2;
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myIndex = i;
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}
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}
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}
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}
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//=======================================================================
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//function : Init
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//purpose :
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//=======================================================================
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void GeomAPI_ProjectPointOnSurf::Init (const gp_Pnt& P,
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const Handle(Geom_Surface)& Surface)
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{
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Init (P, Surface, Precision::Confusion());
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}
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//=======================================================================
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//function : Init
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//purpose :
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//=======================================================================
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void GeomAPI_ProjectPointOnSurf::Init(const gp_Pnt& P,
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const Handle(Geom_Surface)& Surface,
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const Standard_Real Tolerance)
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{
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//modified by NIZNHY-PKV Thu Apr 4 10:37:55 2002 f
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//GeomAdaptor_Surface TheSurface (Surface);
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//myExtPS = Extrema_ExtPS (P, TheSurface, Tolerance, Tolerance);
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//modified by NIZNHY-PKV Mon Apr 8 11:13:37 2002 f XXX
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Standard_Real Umin, Usup, Vmin, Vsup;
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Surface->Bounds(Umin, Usup, Vmin, Vsup);
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myGeomAdaptor.Load(Surface, Umin, Usup, Vmin, Vsup);
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//
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//myExtPS = Extrema_ExtPS();
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myExtPS.Initialize(myGeomAdaptor, Umin, Usup, Vmin, Vsup, Tolerance, Tolerance);
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myExtPS.Perform(P);
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//XXXmyExtPS = Extrema_ExtPS (P, myGeomAdaptor, Tolerance, Tolerance);
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//modified by NIZNHY-PKV Mon Apr 8 11:13:44 2002 t XXX
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//modified by NIZNHY-PKV Thu Apr 4 10:37:58 2002 t
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Init ();
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}
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//=======================================================================
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//function : Init
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//purpose :
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//=======================================================================
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void GeomAPI_ProjectPointOnSurf::Init (const gp_Pnt& P,
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const Handle(Geom_Surface)& Surface,
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const Standard_Real Umin,
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const Standard_Real Usup,
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const Standard_Real Vmin,
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const Standard_Real Vsup )
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{
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Standard_Real Tolerance = Precision::PConfusion();
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//modified by NIZNHY-PKV Thu Apr 4 10:38:23 2002 f
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//GeomAdaptor_Surface TheSurface (Surface,Umin,Usup,Vmin,Vsup);
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//myExtPS = Extrema_ExtPS (P, TheSurface, Tol, Tol);
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myGeomAdaptor.Load(Surface, Umin,Usup,Vmin,Vsup);
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//myExtPS = Extrema_ExtPS();
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myExtPS.Initialize(myGeomAdaptor, Umin, Usup, Vmin, Vsup, Tolerance, Tolerance);
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myExtPS.Perform(P);
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//XXX myExtPS = Extrema_ExtPS (P, myGeomAdaptor, Tol, Tol);
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//modified by NIZNHY-PKV Thu Apr 4 10:38:30 2002 t
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Init ();
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}
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//=======================================================================
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//function : Init
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//purpose :
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//=======================================================================
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void GeomAPI_ProjectPointOnSurf::Init (const gp_Pnt& P,
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const Handle(Geom_Surface)& Surface,
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const Standard_Real Umin,
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const Standard_Real Usup,
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const Standard_Real Vmin,
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const Standard_Real Vsup,
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const Standard_Real Tolerance)
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{
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//modified by NIZNHY-PKV Thu Apr 4 10:39:10 2002 f
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//GeomAdaptor_Surface TheSurface (Surface,Umin,Usup,Vmin,Vsup);
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//myExtPS = Extrema_ExtPS (P, TheSurface, Tolerance, Tolerance);
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myGeomAdaptor.Load(Surface, Umin,Usup,Vmin,Vsup);
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//myExtPS = Extrema_ExtPS();
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myExtPS.Initialize(myGeomAdaptor, Umin, Usup, Vmin, Vsup, Tolerance, Tolerance);
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myExtPS.Perform(P);
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//XXX myExtPS = Extrema_ExtPS (P, myGeomAdaptor, Tolerance, Tolerance);
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//modified by NIZNHY-PKV Thu Apr 4 10:39:14 2002 t
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Init ();
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}
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//=======================================================================
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//function : Init
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//purpose :
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//=======================================================================
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void GeomAPI_ProjectPointOnSurf::Init (const Handle(Geom_Surface)& Surface,
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const Standard_Real Umin,
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const Standard_Real Usup,
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const Standard_Real Vmin,
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const Standard_Real Vsup )
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{
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Standard_Real Tolerance = Precision::PConfusion();
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//modified by NIZNHY-PKV Thu Apr 4 10:41:50 2002 f
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//GeomAdaptor_Surface TheSurface (Surface,Umin,Usup,Vmin,Vsup);
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myGeomAdaptor.Load(Surface, Umin,Usup,Vmin,Vsup);
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//modified by NIZNHY-PKV Thu Apr 4 10:42:29 2002 t
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//myExtPS = Extrema_ExtPS();
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//modified by NIZNHY-PKV Thu Apr 4 10:42:32 2002 f
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//myExtPS.Initialize(TheSurface, Umin, Usup, Vmin, Vsup, Tol, Tol);
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myExtPS.Initialize(myGeomAdaptor, Umin, Usup, Vmin, Vsup, Tolerance, Tolerance);
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//modified by NIZNHY-PKV Thu Apr 4 10:42:39 2002 t
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myIsDone = Standard_False;
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}
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//=======================================================================
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//function : Init
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//purpose :
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//=======================================================================
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void GeomAPI_ProjectPointOnSurf::Init (const Handle(Geom_Surface)& Surface,
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const Standard_Real Umin,
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const Standard_Real Usup,
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const Standard_Real Vmin,
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const Standard_Real Vsup,
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const Standard_Real Tolerance)
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{
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//modified by NIZNHY-PKV Thu Apr 4 10:43:00 2002 f
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//GeomAdaptor_Surface TheSurface (Surface,Umin,Usup,Vmin,Vsup);
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myGeomAdaptor.Load(Surface, Umin,Usup,Vmin,Vsup);
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//modified by NIZNHY-PKV Thu Apr 4 10:43:16 2002 t
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//myExtPS = Extrema_ExtPS();
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//modified by NIZNHY-PKV Thu Apr 4 10:43:18 2002 f
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//myExtPS.Initialize(TheSurface, Umin, Usup, Vmin, Vsup, Tolerance, Tolerance);
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myExtPS.Initialize(myGeomAdaptor, Umin, Usup, Vmin, Vsup, Tolerance, Tolerance);
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//modified by NIZNHY-PKV Thu Apr 4 10:43:26 2002 t
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myIsDone = Standard_False;
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}
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//=======================================================================
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//function : Perform
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//purpose :
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//=======================================================================
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void GeomAPI_ProjectPointOnSurf::Perform(const gp_Pnt& P)
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{
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myExtPS.Perform(P);
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Init ();
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}
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//=======================================================================
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//function : IsDone
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//purpose :
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//=======================================================================
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Standard_Boolean GeomAPI_ProjectPointOnSurf::IsDone () const
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{
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return myIsDone;
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}
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//=======================================================================
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//function : NbPoints
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//purpose :
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//=======================================================================
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Standard_Integer GeomAPI_ProjectPointOnSurf::NbPoints() const
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{
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if ( myIsDone){
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return myExtPS.NbExt();
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}
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else{
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return 0;
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}
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}
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//=======================================================================
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//function : Point
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//purpose :
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//=======================================================================
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gp_Pnt GeomAPI_ProjectPointOnSurf::Point(const Standard_Integer Index) const
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{
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Standard_OutOfRange_Raise_if( Index < 1 || Index > NbPoints(),
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"GeomAPI_ProjectPointOnSurf::Point");
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return (myExtPS.Point(Index)).Value();
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}
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//=======================================================================
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//function : Parameters
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//purpose :
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//=======================================================================
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void GeomAPI_ProjectPointOnSurf::Parameters(const Standard_Integer Index,
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Standard_Real& U,
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Standard_Real& V) const
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{
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Standard_OutOfRange_Raise_if( Index < 1 || Index > NbPoints(),
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"GeomAPI_ProjectPointOnSurf::Parameter");
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(myExtPS.Point(Index)).Parameter(U,V);
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}
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//=======================================================================
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//function : Distance
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//purpose :
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//=======================================================================
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Standard_Real GeomAPI_ProjectPointOnSurf::Distance (const Standard_Integer Index) const
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{
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Standard_OutOfRange_Raise_if( Index < 1 || Index > NbPoints(),
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"GeomAPI_ProjectPointOnSurf::Distance");
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return sqrt (myExtPS.SquareDistance(Index));
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}
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//=======================================================================
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//function : NearestPoint
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//purpose :
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//=======================================================================
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gp_Pnt GeomAPI_ProjectPointOnSurf::NearestPoint() const
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{
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StdFail_NotDone_Raise_if
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(!myIsDone, "GeomAPI_ProjectPointOnSurf::NearestPoint");
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return (myExtPS.Point(myIndex)).Value();
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}
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//=======================================================================
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//function : Standard_Integer
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//purpose :
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//=======================================================================
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GeomAPI_ProjectPointOnSurf::operator Standard_Integer() const
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{
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return NbPoints();
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}
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//=======================================================================
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//function : gp_Pnt
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//purpose :
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//=======================================================================
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GeomAPI_ProjectPointOnSurf::operator gp_Pnt() const
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{
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return NearestPoint();
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}
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//=======================================================================
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//function : LowerDistanceParameters
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//purpose :
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//=======================================================================
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void GeomAPI_ProjectPointOnSurf::LowerDistanceParameters (Standard_Real& U,
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Standard_Real& V ) const
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{
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StdFail_NotDone_Raise_if
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(!myIsDone, "GeomAPI_ProjectPointOnSurf::LowerDistanceParameters");
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(myExtPS.Point(myIndex)).Parameter(U,V);
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}
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//=======================================================================
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//function : LowerDistance
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//purpose :
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//=======================================================================
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Standard_Real GeomAPI_ProjectPointOnSurf::LowerDistance() const
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{
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StdFail_NotDone_Raise_if
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(!myIsDone, "GeomAPI_ProjectPointOnSurf::LowerDistance");
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return sqrt (myExtPS.SquareDistance(myIndex));
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}
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//=======================================================================
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//function : Standard_Real
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//purpose :
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//=======================================================================
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GeomAPI_ProjectPointOnSurf::operator Standard_Real() const
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{
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return LowerDistance();
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}
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