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occt/src/GeomFill/GeomFill_Fixed.cxx

126 lines
3.0 KiB
C++

// Created on: 1997-12-10
// Created by: Philippe MANGIN
// Copyright (c) 1997-1999 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 <GeomFill_Fixed.hxx>
#include <GeomFill_TrihedronLaw.hxx>
#include <gp_Vec.hxx>
#include <Precision.hxx>
#include <Standard_ConstructionError.hxx>
#include <Standard_Type.hxx>
IMPLEMENT_STANDARD_RTTIEXT(GeomFill_Fixed,GeomFill_TrihedronLaw)
GeomFill_Fixed::GeomFill_Fixed(const gp_Vec& Tangent,
const gp_Vec& Normal)
{
if (Tangent.IsParallel(Normal, 0.01) )
throw Standard_ConstructionError(
"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& theT,
const GeomAbs_Shape) const
{
theT(theT.Lower()) = - Precision::Infinite();
theT(theT.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;
}