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// File: Extrema_GenLocateExtCS.cxx
// Created: Thu Jan 25 15:29:48 1996
// Author: Laurent PAINNOT
// <lpa@nonox>
#include <Extrema_GenLocateExtCS.ixx>
#include <Extrema_FuncExtCS.hxx>
#include <math_Vector.hxx>
#include <math_FunctionSetRoot.hxx>
#include <math_NewtonFunctionSetRoot.hxx>
//=======================================================================
//function : Extrema_GenLocateExtCS
//purpose :
//=======================================================================
Extrema_GenLocateExtCS::Extrema_GenLocateExtCS()
{
}
//=======================================================================
//function : Extrema_GenLocateExtCS
//purpose :
//=======================================================================
Extrema_GenLocateExtCS::Extrema_GenLocateExtCS(const Adaptor3d_Curve& C,
const Adaptor3d_Surface& S,
const Standard_Real T,
const Standard_Real U,
const Standard_Real V,
const Standard_Real Tol1,
const Standard_Real Tol2)
{
Perform(C,S,T,U,V,Tol1,Tol2);
}
//=======================================================================
//function : Perform
//purpose :
//=======================================================================
void Extrema_GenLocateExtCS::Perform(const Adaptor3d_Curve& C,
const Adaptor3d_Surface& S,
const Standard_Real T,
const Standard_Real U,
const Standard_Real V,
const Standard_Real Tol1,
const Standard_Real Tol2)
{
myDone = Standard_False;
Standard_Real Tinf, Tsup;
Tinf = C.FirstParameter();
Tsup = C.LastParameter();
Standard_Real Uinf, Usup, Vinf, Vsup;
Uinf = S.FirstUParameter();
Usup = S.LastUParameter();
Vinf = S.FirstVParameter();
Vsup = S.LastVParameter();
Extrema_FuncExtCS F (C,S);
math_Vector Tol(1, 3), Start(1, 3), BInf(1, 3), BSup(1, 3);
Tol(1) = Tol1;
Tol(2) = Tol2;
Tol(3) = Tol2;
Start(1) = T;
Start(2) = U;
Start(3) = V;
BInf(1) = Tinf;
BInf(2) = Uinf;
BInf(3) = Vinf;
BSup(1) = Tsup;
BSup(2) = Usup;
BSup(3) = Vsup;
math_FunctionSetRoot SR (F, Start,Tol, BInf, BSup);
if (!SR.IsDone())
return;
mySqDist = F.SquareDistance(1);
myPoint1 = F.PointOnCurve(1);
myPoint2 = F.PointOnSurface(1);
myDone = Standard_True;
}
//=======================================================================
//function : IsDone
//purpose :
//=======================================================================
Standard_Boolean Extrema_GenLocateExtCS::IsDone() const
{
return myDone;
}
//=======================================================================
//function : Value
//purpose :
//=======================================================================
Standard_Real Extrema_GenLocateExtCS::SquareDistance() const
{
if (!IsDone()) { StdFail_NotDone::Raise(); }
return mySqDist;
}
//=======================================================================
//function : PointOnCurve
//purpose :
//=======================================================================
const Extrema_POnCurv& Extrema_GenLocateExtCS::PointOnCurve() const
{
if (!IsDone()) { StdFail_NotDone::Raise(); }
return myPoint1;
}
//=======================================================================
//function : PointOnSurface
//purpose :
//=======================================================================
const Extrema_POnSurf& Extrema_GenLocateExtCS::PointOnSurface() const
{
if (!IsDone()) { StdFail_NotDone::Raise(); }
return myPoint2;
}
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