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occt/src/Geom2dAPI/Geom2dAPI_ExtremaCurveCurve.cxx
abv 42cf5bc1ca 0024002: Overall code and build procedure refactoring -- automatic
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
2015-07-12 07:42:38 +03:00

209 lines
5.8 KiB
C++

// Created on: 1994-03-23
// Created by: Bruno DUMORTIER
// Copyright (c) 1994-1999 Matra Datavision
// Copyright (c) 1999-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
#include <Extrema_ExtCC2d.hxx>
#include <Extrema_POnCurv2d.hxx>
#include <Geom2d_Curve.hxx>
#include <Geom2dAdaptor_Curve.hxx>
#include <Geom2dAPI_ExtremaCurveCurve.hxx>
#include <gp_Pnt2d.hxx>
#include <Precision.hxx>
#include <Standard_OutOfRange.hxx>
#include <StdFail_NotDone.hxx>
//=======================================================================
//function : Geom2dAPI_ExtremaCurveCurve
//purpose :
//=======================================================================
//Geom2dAPI_ExtremaCurveCurve::Geom2dAPI_ExtremaCurveCurve()
//{
//}
//=======================================================================
//function : Geom2dAPI_ExtremaCurveCurve
//purpose :
//=======================================================================
Geom2dAPI_ExtremaCurveCurve::Geom2dAPI_ExtremaCurveCurve
(const Handle(Geom2d_Curve)& C1,
const Handle(Geom2d_Curve)& C2,
const Standard_Real U1min,
const Standard_Real U1max,
const Standard_Real U2min,
const Standard_Real U2max)
{
myC1.Load(C1, U1min, U1max);
myC2.Load(C2, U2min, U2max);
Extrema_ExtCC2d theExtCC( myC1, myC2 );
myExtCC = theExtCC;
myIsDone = myExtCC.IsDone() && ( myExtCC.NbExt() > 0);
if ( myIsDone ) {
// evaluate the lower distance and its index;
Standard_Real Dist2, Dist2Min = myExtCC.SquareDistance(1);
myIndex = 1;
for ( Standard_Integer i = 2; i <= myExtCC.NbExt(); i++) {
Dist2 = myExtCC.SquareDistance(i);
if ( Dist2 < Dist2Min) {
Dist2Min = Dist2;
myIndex = i;
}
}
}
}
//=======================================================================
//function : NbExtrema
//purpose :
//=======================================================================
Standard_Integer Geom2dAPI_ExtremaCurveCurve::NbExtrema() const
{
if ( myIsDone)
return myExtCC.NbExt();
else
return 0;
}
//=======================================================================
//function : Points
//purpose :
//=======================================================================
void Geom2dAPI_ExtremaCurveCurve::Points
(const Standard_Integer Index,
gp_Pnt2d& P1,
gp_Pnt2d& P2) const
{
Standard_OutOfRange_Raise_if
(Index<1||Index>NbExtrema(), "Geom2dAPI_ExtremaCurveCurve::Points");
Extrema_POnCurv2d PC1, PC2;
myExtCC.Points(Index,PC1,PC2);
P1 = PC1.Value();
P2 = PC2.Value();
}
//=======================================================================
//function : Parameters
//purpose :
//=======================================================================
void Geom2dAPI_ExtremaCurveCurve::Parameters
(const Standard_Integer Index,
Standard_Real& U1,
Standard_Real& U2) const
{
Standard_OutOfRange_Raise_if
(Index<1||Index>NbExtrema(), "Geom2dAPI_ExtremaCurveCurve::Parameters");
Extrema_POnCurv2d PC1, PC2;
myExtCC.Points(Index,PC1,PC2);
U1 = PC1.Parameter();
U2 = PC2.Parameter();
}
//=======================================================================
//function : Distance
//purpose :
//=======================================================================
Standard_Real Geom2dAPI_ExtremaCurveCurve::Distance
(const Standard_Integer Index) const
{
Standard_OutOfRange_Raise_if
(Index<1||Index>NbExtrema(), "Geom2dAPI_ExtremaCurveCurve:Distance");
return sqrt (myExtCC.SquareDistance(Index));
}
//=======================================================================
//function : NearestPoints
//purpose :
//=======================================================================
void Geom2dAPI_ExtremaCurveCurve::NearestPoints
(gp_Pnt2d& P1, gp_Pnt2d& P2) const
{
StdFail_NotDone_Raise_if
( !myIsDone, "Geom2dAPI_ExtremaCurveCurve:NearestPoints");
Points(myIndex,P1,P2);
}
//=======================================================================
//function : LowerDistanceParameters
//purpose :
//=======================================================================
void Geom2dAPI_ExtremaCurveCurve::LowerDistanceParameters
(Standard_Real& U1,
Standard_Real& U2) const
{
StdFail_NotDone_Raise_if
( !myIsDone, "Geom2dAPI_ExtremaCurveCurve:LowerDistanceParameters");
Parameters(myIndex,U1,U2);
}
//=======================================================================
//function : LowerDistance
//purpose :
//=======================================================================
Standard_Real Geom2dAPI_ExtremaCurveCurve::LowerDistance() const
{
StdFail_NotDone_Raise_if
(!myIsDone, "Geom2dAPI_ExtremaCurveCurve:LowerDistance");
return sqrt (myExtCC.SquareDistance(myIndex));
}
//=======================================================================
//function : Standard_Real
//purpose :
//=======================================================================
Geom2dAPI_ExtremaCurveCurve::operator Standard_Real() const
{
return LowerDistance();
}
//=======================================================================
//function : Standard_Integer
//purpose :
//=======================================================================
Geom2dAPI_ExtremaCurveCurve::operator Standard_Integer() const
{
return myExtCC.NbExt();
}