Files
OCCT/src/StepToGeom/StepToGeom_MakeDirection.cxx
2012-03-05 19:23:40 +04:00

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// File: StepToGeom_MakeDirection.cxx
// Created: Fri Jul 2 17:32:04 1993
// Author: Martine LANGLOIS
// sln 22.10.2001. CTS23496: Direction is not created if it has null magnitude (StepToGeom_MakeDirection(...) function)
#include <StepToGeom_MakeDirection.ixx>
#include <StepGeom_Direction.hxx>
//=============================================================================
// Creation d' un Direction de Geom a partir d' un Direction de Step
//=============================================================================
Standard_Boolean StepToGeom_MakeDirection::Convert (const Handle(StepGeom_Direction)& SD, Handle(Geom_Direction)& CD)
{
if (SD->NbDirectionRatios() >= 3)
{
const Standard_Real X = SD->DirectionRatiosValue(1);
const Standard_Real Y = SD->DirectionRatiosValue(2);
const Standard_Real Z = SD->DirectionRatiosValue(3);
// sln 22.10.2001. CTS23496: Direction is not created if it has null magnitude
if (gp_XYZ(X, Y, Z).SquareModulus() > gp::Resolution()*gp::Resolution())
{
CD = new Geom_Direction(X, Y, Z);
return Standard_True;
}
}
return Standard_False;
}