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occt/src/Extrema/Extrema_LocateExtCC.cxx

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2.0 KiB
C++

// Created on: 1994-07-06
// Created by: Laurent PAINNOT
// 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 <Adaptor3d_Curve.hxx>
#include <Extrema_LocateExtCC.hxx>
#include <Extrema_LocECC.hxx>
#include <Extrema_POnCurv.hxx>
#include <Precision.hxx>
#include <StdFail_NotDone.hxx>
Extrema_LocateExtCC::Extrema_LocateExtCC (const Adaptor3d_Curve& C1,
const Adaptor3d_Curve& C2,
const Standard_Real U0,
const Standard_Real V0)
: mySqDist(RealLast())
{
Standard_Real TolU = C1.Resolution(Precision::Confusion());
Standard_Real TolV = C2.Resolution(Precision::Confusion());
Extrema_POnCurv P1, P2;
// Non implemente pour l instant: l appel a Extrema_ELCC.
Extrema_LocECC Xtrem(C1, C2,
U0, V0, TolU, TolV);
// Exploitation
myDone = Xtrem.IsDone();
if (Xtrem.IsDone()) {
mySqDist = Xtrem.SquareDistance();
Xtrem.Point(P1, P2);
myPoint1 = P1;
myPoint2 = P2;
}
}
Standard_Boolean Extrema_LocateExtCC::IsDone () const {
return myDone;
}
Standard_Real Extrema_LocateExtCC::SquareDistance() const {
if (!IsDone())
{
throw StdFail_NotDone();
}
return mySqDist;
}
void Extrema_LocateExtCC::Point (Extrema_POnCurv& P1, Extrema_POnCurv& P2) const {
if (!IsDone())
{
throw StdFail_NotDone();
}
P1 = myPoint1;
P2 = myPoint2;
}