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42cf5bc1ca
Automatic upgrade of OCCT code by command "occt_upgrade . -nocdl": - WOK-generated header files from inc and sources from drv are moved to src - CDL files removed - All packages are converted to nocdlpack
283 lines
9.0 KiB
C++
283 lines
9.0 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 <Extrema_ExtPC.hxx>
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#include <Geom_Curve.hxx>
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#include <GeomAdaptor_Curve.hxx>
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#include <GeomAPI_ProjectPointOnCurve.hxx>
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#include <gp_Pnt.hxx>
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#include <Standard_OutOfRange.hxx>
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#include <StdFail_NotDone.hxx>
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//=======================================================================
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//function : GeomAPI_ProjectPointOnCurve
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//purpose :
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//=======================================================================
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GeomAPI_ProjectPointOnCurve::GeomAPI_ProjectPointOnCurve()
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{
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myIsDone = Standard_False;
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}
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//=======================================================================
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//function : GeomAPI_ProjectPointOnCurve
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//purpose :
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//=======================================================================
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GeomAPI_ProjectPointOnCurve::GeomAPI_ProjectPointOnCurve
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(const gp_Pnt& P,
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const Handle(Geom_Curve)& Curve)
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{
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Init(P,Curve);
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}
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//=======================================================================
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//function : GeomAPI_ProjectPointOnCurve
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//purpose :
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//=======================================================================
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GeomAPI_ProjectPointOnCurve::GeomAPI_ProjectPointOnCurve
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(const gp_Pnt& P,
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const Handle(Geom_Curve)& Curve,
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const Standard_Real Umin,
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const Standard_Real Usup)
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{
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Init(P,Curve,Umin,Usup);
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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_ProjectPointOnCurve::Init
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(const gp_Pnt& P,
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const Handle(Geom_Curve)& Curve)
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{
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myC.Load(Curve);
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/*
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Extrema_ExtPC theExtPC(P, myC);
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myExtPC = theExtPC;
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*/
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myExtPC.Initialize(myC, myC.FirstParameter(), myC.LastParameter());
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myExtPC.Perform(P);
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myIsDone = myExtPC.IsDone() && ( myExtPC.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 = myExtPC.SquareDistance(1);
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myIndex = 1;
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for ( Standard_Integer i = 2; i <= myExtPC.NbExt(); i++) {
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Dist2 = myExtPC.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_ProjectPointOnCurve::Init(const gp_Pnt& P,
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const Handle(Geom_Curve)& Curve,
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const Standard_Real Umin,
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const Standard_Real Usup )
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{
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myC.Load(Curve,Umin,Usup);
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/*
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Extrema_ExtPC theExtPC(P, myC);
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myExtPC = theExtPC;
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*/
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myExtPC.Initialize(myC, myC.FirstParameter(), myC.LastParameter());
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myExtPC.Perform(P);
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myIsDone = myExtPC.IsDone() && ( myExtPC.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 = myExtPC.SquareDistance(1);
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myIndex = 1;
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for ( Standard_Integer i = 2; i <= myExtPC.NbExt(); i++) {
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Dist2 = myExtPC.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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//modified by NIZNHY-PKV Wed Apr 3 17:48:51 2002f
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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_ProjectPointOnCurve::Init (const Handle(Geom_Curve)& Curve,
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const Standard_Real Umin,
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const Standard_Real Usup )
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{
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myC.Load(Curve,Umin,Usup);
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//myExtPC = Extrema_ExtPC(P, myC);
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myExtPC.Initialize(myC, Umin, Usup);
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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_ProjectPointOnCurve::Perform(const gp_Pnt& aP3D)
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{
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myExtPC.Perform(aP3D);
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myIsDone=myExtPC.IsDone() && ( myExtPC.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 = myExtPC.SquareDistance(1);
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myIndex = 1;
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for ( Standard_Integer i = 2; i <= myExtPC.NbExt(); i++) {
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Dist2 = myExtPC.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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//modified by NIZNHY-PKV Wed Apr 3 17:48:53 2002t
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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_ProjectPointOnCurve::NbPoints() const
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{
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if ( myIsDone )
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return myExtPC.NbExt();
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else
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return 0;
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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_ProjectPointOnCurve::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_ProjectPointOnCurve::Point");
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return (myExtPC.Point(Index)).Value();
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}
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//=======================================================================
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//function : Parameter
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//purpose :
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//=======================================================================
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Standard_Real GeomAPI_ProjectPointOnCurve::Parameter
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(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_ProjectPointOnCurve::Parameter");
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return (myExtPC.Point(Index)).Parameter();
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}
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//=======================================================================
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//function : Parameter
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//purpose :
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//=======================================================================
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void GeomAPI_ProjectPointOnCurve::Parameter
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(const Standard_Integer Index,
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Standard_Real& U ) const
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{
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Standard_OutOfRange_Raise_if( Index < 1 || Index > NbPoints(),
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"GeomAPI_ProjectPointOnCurve::Parameter");
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U = (myExtPC.Point(Index)).Parameter();
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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_ProjectPointOnCurve::Distance
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(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_ProjectPointOnCurve::Distance");
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return sqrt (myExtPC.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_ProjectPointOnCurve::NearestPoint() const
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{
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StdFail_NotDone_Raise_if
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( !myIsDone, "GeomAPI_ProjectPointOnCurve::NearestPoint");
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return (myExtPC.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_ProjectPointOnCurve::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_ProjectPointOnCurve::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 : LowerDistanceParameter
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//purpose :
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//=======================================================================
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Standard_Real GeomAPI_ProjectPointOnCurve::LowerDistanceParameter() const
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{
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StdFail_NotDone_Raise_if
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( !myIsDone, "GeomAPI_ProjectPointOnCurve::LowerDistanceParameter");
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return (myExtPC.Point(myIndex)).Parameter();
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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_ProjectPointOnCurve::LowerDistance() const
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{
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StdFail_NotDone_Raise_if
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( !myIsDone, "GeomAPI_ProjectPointOnCurve::LowerDistance");
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return sqrt (myExtPC.SquareDistance(myIndex));
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}
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//=======================================================================
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//function : operator
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//purpose :
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//=======================================================================
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GeomAPI_ProjectPointOnCurve::operator Standard_Real() const
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{
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return LowerDistance();
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}
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