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215 lines
6.0 KiB
C++
Executable File
215 lines
6.0 KiB
C++
Executable File
// 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) 1999-2012 OPEN CASCADE SAS
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//
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// The content of this file is subject to the Open CASCADE Technology Public
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// License Version 6.5 (the "License"). You may not use the content of this file
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// except in compliance with the License. Please obtain a copy of the License
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// at http://www.opencascade.org and read it completely before using this file.
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//
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// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
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// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
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//
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// The Original Code and all software distributed under the License is
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// distributed on an "AS IS" basis, without warranty of any kind, and the
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// Initial Developer hereby disclaims all such warranties, including without
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// limitation, any warranties of merchantability, fitness for a particular
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// purpose or non-infringement. Please see the License for the specific terms
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// and conditions governing the rights and limitations under the License.
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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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