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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
293 lines
8.1 KiB
C++
293 lines
8.1 KiB
C++
// Created on: 1994-03-18
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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_ExtCS.hxx>
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#include <Extrema_POnCurv.hxx>
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#include <Extrema_POnSurf.hxx>
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#include <Geom_Curve.hxx>
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#include <Geom_Surface.hxx>
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#include <GeomAdaptor_Curve.hxx>
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#include <GeomAdaptor_Surface.hxx>
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#include <GeomAPI_ExtremaCurveSurface.hxx>
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#include <gp_Pnt.hxx>
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#include <Precision.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_ExtremaCurveSurface
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//purpose :
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//=======================================================================
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GeomAPI_ExtremaCurveSurface::GeomAPI_ExtremaCurveSurface()
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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_ExtremaCurveSurface
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//purpose :
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//=======================================================================
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GeomAPI_ExtremaCurveSurface::GeomAPI_ExtremaCurveSurface
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(const Handle(Geom_Curve)& Curve,
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const Handle(Geom_Surface)& Surface)
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{
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Init(Curve,Surface);
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}
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//=======================================================================
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//function : GeomAPI_ExtremaCurveSurface
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//purpose :
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//=======================================================================
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GeomAPI_ExtremaCurveSurface::GeomAPI_ExtremaCurveSurface
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(const Handle(Geom_Curve)& Curve,
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const Handle(Geom_Surface)& Surface,
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const Standard_Real Wmin,
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const Standard_Real Wmax,
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const Standard_Real Umin,
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const Standard_Real Umax,
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const Standard_Real Vmin,
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const Standard_Real Vmax)
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{
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Init(Curve,Surface,Wmin,Wmax,Umin,Umax,Vmin,Vmax);
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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_ExtremaCurveSurface::Init
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(const Handle(Geom_Curve)& Curve,
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const Handle(Geom_Surface)& Surface)
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{
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GeomAdaptor_Curve TheCurve (Curve);
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GeomAdaptor_Surface TheSurface (Surface);
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Standard_Real Tol = Precision::PConfusion();
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Extrema_ExtCS theExtCS(TheCurve,TheSurface,Tol,Tol);
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myExtCS = theExtCS;
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myIsDone = myExtCS.IsDone() && ( myExtCS.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 = myExtCS.SquareDistance(1);
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myIndex = 1;
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for ( Standard_Integer i = 2; i <= myExtCS.NbExt(); i++) {
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Dist2 = myExtCS.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_ExtremaCurveSurface::Init
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(const Handle(Geom_Curve)& Curve,
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const Handle(Geom_Surface)& Surface,
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const Standard_Real Wmin,
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const Standard_Real Wmax,
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const Standard_Real Umin,
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const Standard_Real Umax,
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const Standard_Real Vmin,
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const Standard_Real Vmax)
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{
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GeomAdaptor_Curve TheCurve (Curve, Wmin, Wmax);
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GeomAdaptor_Surface TheSurface (Surface, Umin, Umax, Vmin, Vmax);
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Standard_Real Tol = Precision::PConfusion();
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Extrema_ExtCS theExtCS(TheCurve,TheSurface,
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Wmin,Wmax,Umin,Umax,Vmin,Vmax,Tol,Tol);
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myExtCS = theExtCS;
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myIsDone = myExtCS.IsDone() && ( myExtCS.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 = myExtCS.SquareDistance(1);
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myIndex = 1;
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for ( Standard_Integer i = 2; i <= myExtCS.NbExt(); i++) {
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Dist2 = myExtCS.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 : NbExtrema
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//purpose :
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//=======================================================================
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Standard_Integer GeomAPI_ExtremaCurveSurface::NbExtrema() const
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{
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if ( myIsDone)
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return myExtCS.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 : Points
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//purpose :
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//=======================================================================
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void GeomAPI_ExtremaCurveSurface::Points
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(const Standard_Integer Index,
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gp_Pnt& P1,
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gp_Pnt& P2) const
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{
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Standard_OutOfRange_Raise_if( Index < 1 || Index > NbExtrema(),
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"GeomAPI_ExtremaCurveCurve::Points");
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Extrema_POnCurv PC;
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Extrema_POnSurf PS;
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myExtCS.Points(Index,PC,PS);
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P1 = PC.Value();
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P2 = PS.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_ExtremaCurveSurface::Parameters
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(const Standard_Integer Index,
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Standard_Real& W,
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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 > NbExtrema(),
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"GeomAPI_ExtremaCurveCurve::Parameters");
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Extrema_POnCurv PC;
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Extrema_POnSurf PS;
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myExtCS.Points(Index,PC,PS);
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W = PC.Parameter();
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PS.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_ExtremaCurveSurface::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 > NbExtrema(),
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"GeomAPI_ExtremaCurveCurve::Distance");
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return sqrt (myExtCS.SquareDistance(Index));
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}
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//=======================================================================
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//function : NearestPoints
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//purpose :
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//=======================================================================
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void GeomAPI_ExtremaCurveSurface::NearestPoints(gp_Pnt& PC, gp_Pnt& PS) const
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{
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StdFail_NotDone_Raise_if
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(!myIsDone, "GeomAPI_ExtremaCurveSurface::NearestPoints");
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Points(myIndex,PC,PS);
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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_ExtremaCurveSurface::LowerDistanceParameters
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(Standard_Real& W,
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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_ExtremaCurveSurface::LowerDistanceParameters");
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Parameters(myIndex,W,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_ExtremaCurveSurface::LowerDistance() const
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{
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StdFail_NotDone_Raise_if
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(!myIsDone, "GeomAPI_ExtremaCurveSurface::LowerDistance");
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return sqrt (myExtCS.SquareDistance(myIndex));
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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_ExtremaCurveSurface::operator Standard_Integer() const
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{
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return NbExtrema();
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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_ExtremaCurveSurface::operator Standard_Real() const
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{
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return LowerDistance();
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}
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