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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.
209 lines
5.7 KiB
C++
209 lines
5.7 KiB
C++
// Created on: 1994-03-23
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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 <Geom2dAPI_ExtremaCurveCurve.ixx>
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#include <Geom2dAdaptor_Curve.hxx>
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#include <Extrema_POnCurv2d.hxx>
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#include <Precision.hxx>
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//=======================================================================
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//function : Geom2dAPI_ExtremaCurveCurve
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//purpose :
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//=======================================================================
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//Geom2dAPI_ExtremaCurveCurve::Geom2dAPI_ExtremaCurveCurve()
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//{
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//}
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//=======================================================================
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//function : Geom2dAPI_ExtremaCurveCurve
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//purpose :
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//=======================================================================
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Geom2dAPI_ExtremaCurveCurve::Geom2dAPI_ExtremaCurveCurve
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(const Handle(Geom2d_Curve)& C1,
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const Handle(Geom2d_Curve)& C2,
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const Standard_Real U1min,
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const Standard_Real U1max,
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const Standard_Real U2min,
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const Standard_Real U2max)
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{
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myC1.Load(C1, U1min, U1max);
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myC2.Load(C2, U2min, U2max);
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Extrema_ExtCC2d theExtCC( myC1, myC2 );
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myExtCC = theExtCC;
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myIsDone = myExtCC.IsDone() && ( myExtCC.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 = myExtCC.SquareDistance(1);
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myIndex = 1;
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for ( Standard_Integer i = 2; i <= myExtCC.NbExt(); i++) {
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Dist2 = myExtCC.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 Geom2dAPI_ExtremaCurveCurve::NbExtrema() const
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{
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if ( myIsDone)
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return myExtCC.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 Geom2dAPI_ExtremaCurveCurve::Points
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(const Standard_Integer Index,
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gp_Pnt2d& P1,
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gp_Pnt2d& P2) const
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{
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Standard_OutOfRange_Raise_if
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(Index<1||Index>NbExtrema(), "Geom2dAPI_ExtremaCurveCurve::Points");
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Extrema_POnCurv2d PC1, PC2;
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myExtCC.Points(Index,PC1,PC2);
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P1 = PC1.Value();
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P2 = PC2.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 Geom2dAPI_ExtremaCurveCurve::Parameters
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(const Standard_Integer Index,
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Standard_Real& U1,
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Standard_Real& U2) const
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{
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Standard_OutOfRange_Raise_if
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(Index<1||Index>NbExtrema(), "Geom2dAPI_ExtremaCurveCurve::Parameters");
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Extrema_POnCurv2d PC1, PC2;
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myExtCC.Points(Index,PC1,PC2);
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U1 = PC1.Parameter();
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U2 = PC2.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 Geom2dAPI_ExtremaCurveCurve::Distance
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(const Standard_Integer Index) const
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{
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Standard_OutOfRange_Raise_if
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(Index<1||Index>NbExtrema(), "Geom2dAPI_ExtremaCurveCurve:Distance");
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return sqrt (myExtCC.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 Geom2dAPI_ExtremaCurveCurve::NearestPoints
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(gp_Pnt2d& P1, gp_Pnt2d& P2) const
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{
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StdFail_NotDone_Raise_if
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( !myIsDone, "Geom2dAPI_ExtremaCurveCurve:NearestPoints");
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Points(myIndex,P1,P2);
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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 Geom2dAPI_ExtremaCurveCurve::LowerDistanceParameters
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(Standard_Real& U1,
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Standard_Real& U2) const
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{
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StdFail_NotDone_Raise_if
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( !myIsDone, "Geom2dAPI_ExtremaCurveCurve:LowerDistanceParameters");
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Parameters(myIndex,U1,U2);
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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 Geom2dAPI_ExtremaCurveCurve::LowerDistance() const
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{
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StdFail_NotDone_Raise_if
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(!myIsDone, "Geom2dAPI_ExtremaCurveCurve:LowerDistance");
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return sqrt (myExtCC.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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Geom2dAPI_ExtremaCurveCurve::operator Standard_Real() const
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{
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return LowerDistance();
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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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Geom2dAPI_ExtremaCurveCurve::operator Standard_Integer() const
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{
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return myExtCC.NbExt();
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}
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