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// File: GeomFill_Fixed.cxx
// Created: Wed Dec 10 10:26:36 1997
// Author: Philippe MANGIN
// <pmn@sgi29>
#include <GeomFill_Fixed.ixx>
#include <Precision.hxx>
GeomFill_Fixed::GeomFill_Fixed(const gp_Vec& Tangent,
const gp_Vec& Normal)
{
if (Tangent.IsParallel(Normal, 0.01) )
Standard_ConstructionError::Raise(
"GeomFill_Fixed : Two parallel vectors !");
T = Tangent;
T.Normalize();
N = Normal;
N.Normalize();
B = T ^ N;
B.Normalize();
}
Handle(GeomFill_TrihedronLaw) GeomFill_Fixed::Copy() const
{
Handle(GeomFill_Fixed) copy = new (GeomFill_Fixed)(T, N);
copy->SetCurve(myCurve);
return copy;
}
Standard_Boolean GeomFill_Fixed::D0(const Standard_Real,
gp_Vec& Tangent,
gp_Vec& Normal,
gp_Vec& BiNormal)
{
Tangent = T;
Normal = N;
BiNormal = B;
return Standard_True;
}
Standard_Boolean GeomFill_Fixed::D1(const Standard_Real,
gp_Vec& Tangent,
gp_Vec& DTangent,
gp_Vec& Normal,
gp_Vec& DNormal,
gp_Vec& BiNormal,
gp_Vec& DBiNormal)
{
Tangent = T;
Normal = N;
BiNormal = B;
gp_Vec V0(0,0,0);
DTangent = DNormal = DBiNormal = V0;
return Standard_True;
}
Standard_Boolean GeomFill_Fixed::D2(const Standard_Real,
gp_Vec& Tangent,
gp_Vec& DTangent,
gp_Vec& D2Tangent,
gp_Vec& Normal,
gp_Vec& DNormal,
gp_Vec& D2Normal,
gp_Vec& BiNormal,
gp_Vec& DBiNormal,
gp_Vec& D2BiNormal)
{
Tangent = T;
Normal = N;
BiNormal = B;
gp_Vec V0(0,0,0);
DTangent = D2Tangent = V0;
DNormal = D2Normal = V0;
DBiNormal = D2BiNormal = V0;
return Standard_True;
}
Standard_Integer GeomFill_Fixed::NbIntervals(const GeomAbs_Shape) const
{
return 1;
}
void GeomFill_Fixed::Intervals(TColStd_Array1OfReal& T,
const GeomAbs_Shape) const
{
T(T.Lower()) = - Precision::Infinite();
T(T.Upper()) = Precision::Infinite();
}
void GeomFill_Fixed::GetAverageLaw(gp_Vec& ATangent,
gp_Vec& ANormal,
gp_Vec& ABiNormal)
{
ATangent = T;
ANormal = N;
ABiNormal = B;
}
Standard_Boolean GeomFill_Fixed::IsConstant() const
{
return Standard_True;
}
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