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// File: Extrema_GenExtSS.cxx
// Created: Tue Jul 18 08:21:34 1995
// Author: Modelistation
// <model@metrox>
#include <Extrema_GenLocateExtSS.ixx>
#include <Extrema_FuncExtSS.hxx>
#include <math_Vector.hxx>
#include <math_FunctionSetRoot.hxx>
#include <math_NewtonFunctionSetRoot.hxx>
//=======================================================================
//function : Extrema_GenLocateExtSS
//purpose :
//=======================================================================
Extrema_GenLocateExtSS::Extrema_GenLocateExtSS()
{
}
//=======================================================================
//function : Extrema_GenLocateExtSS
//purpose :
//=======================================================================
Extrema_GenLocateExtSS::Extrema_GenLocateExtSS(const Adaptor3d_Surface& S1,
const Adaptor3d_Surface& S2,
const Standard_Real U1,
const Standard_Real V1,
const Standard_Real U2,
const Standard_Real V2,
const Standard_Real Tol1,
const Standard_Real Tol2)
{
Perform(S1,S2,U1,V1,U2,V2,Tol1,Tol2);
}
//=======================================================================
//function : Perform
//purpose :
//=======================================================================
void Extrema_GenLocateExtSS::Perform(const Adaptor3d_Surface& S1,
const Adaptor3d_Surface& S2,
const Standard_Real U1,
const Standard_Real V1,
const Standard_Real U2,
const Standard_Real V2,
const Standard_Real Tol1,
const Standard_Real Tol2)
{
myDone = Standard_False;
Standard_Real Uinf1, Usup1, Vinf1, Vsup1;
Uinf1 = S1.FirstUParameter();
Usup1 = S1.LastUParameter();
Vinf1 = S1.FirstVParameter();
Vsup1 = S1.LastVParameter();
Standard_Real Uinf2, Usup2, Vinf2, Vsup2;
Uinf2 = S2.FirstUParameter();
Usup2 = S2.LastUParameter();
Vinf2 = S2.FirstVParameter();
Vsup2 = S2.LastVParameter();
Extrema_FuncExtSS F (S1,S2);
math_Vector Tol(1, 4), Start(1, 4), BInf(1, 4), BSup(1, 4);
Tol(1) = Tol1;
Tol(2) = Tol1;
Tol(3) = Tol2;
Tol(4) = Tol2;
Start(1) = U1;
Start(2) = V1;
Start(3) = U2;
Start(4) = V2;
BInf(1) = Uinf1;
BInf(2) = Vinf1;
BInf(3) = Uinf2;
BInf(4) = Vinf2;
BSup(1) = Usup1;
BSup(2) = Vsup1;
BSup(3) = Usup2;
BSup(4) = Vsup2;
math_FunctionSetRoot SR (F, Start,Tol, BInf, BSup);
if (!SR.IsDone())
return;
mySqDist = F.SquareDistance(1);
myPoint1 = F.PointOnS1(1);
myPoint2 = F.PointOnS2(1);
myDone = Standard_True;
}
//=======================================================================
//function : IsDone
//purpose :
//=======================================================================
Standard_Boolean Extrema_GenLocateExtSS::IsDone() const
{
return myDone;
}
//=======================================================================
//function : Value
//purpose :
//=======================================================================
Standard_Real Extrema_GenLocateExtSS::SquareDistance() const
{
if (!IsDone()) { StdFail_NotDone::Raise(); }
return mySqDist;
}
//=======================================================================
//function : PointOnS1
//purpose :
//=======================================================================
const Extrema_POnSurf& Extrema_GenLocateExtSS::PointOnS1() const
{
if (!IsDone()) { StdFail_NotDone::Raise(); }
return myPoint1;
}
//=======================================================================
//function : PointOnS2
//purpose :
//=======================================================================
const Extrema_POnSurf& Extrema_GenLocateExtSS::PointOnS2() const
{
if (!IsDone()) { StdFail_NotDone::Raise(); }
return myPoint2;
}
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