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d5f74e42d6
License statement text corrected; compiler warnings caused by Bison 2.41 disabled for MSVC; a few other compiler warnings on 54-bit Windows eliminated by appropriate type cast Wrong license statements corrected in several files. Copyright and license statements added in XSD and GLSL files. Copyright year updated in some files. Obsolete documentation files removed from DrawResources.
374 lines
14 KiB
C++
374 lines
14 KiB
C++
// Created on: 1994-03-17
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// Created by: Bruno DUMORTIER
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// Copyright (c) 1994-1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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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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const Extrema_ExtAlgo theProjAlgo)
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{
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Init (P, Surface, theProjAlgo);
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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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const Extrema_ExtAlgo theProjAlgo)
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{
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Init (P, Surface, Tolerance, theProjAlgo);
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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 Extrema_ExtAlgo theProjAlgo)
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{
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Init (P, Surface, Umin, Usup, Vmin, Vsup, theProjAlgo);
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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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const Extrema_ExtAlgo theProjAlgo)
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{
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Init (P, Surface, Umin, Usup, Vmin, Vsup, Tolerance, theProjAlgo);
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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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const Extrema_ExtAlgo theProjAlgo)
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{
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Init (P, Surface, Precision::Confusion(), theProjAlgo);
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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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const Extrema_ExtAlgo theProjAlgo)
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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.SetAlgo(theProjAlgo);
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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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const Extrema_ExtAlgo theProjAlgo)
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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.SetAlgo(theProjAlgo);
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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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const Extrema_ExtAlgo theProjAlgo)
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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.SetAlgo(theProjAlgo);
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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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const Extrema_ExtAlgo theProjAlgo)
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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.SetAlgo(theProjAlgo);
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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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const Extrema_ExtAlgo theProjAlgo)
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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.SetAlgo(theProjAlgo);
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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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