0031642: Visualization - crash in Graphic3d_Structure::SetVisual() on redisplaying...

[occt.git] / src / GeomToStep / GeomToStep_MakeCylindricalSurface.cxx

// Created on: 1993-06-17
// Created by: Martine LANGLOIS
// Copyright (c) 1993-1999 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 <Geom_CylindricalSurface.hxx>
#include <GeomToStep_MakeAxis2Placement3d.hxx>
#include <GeomToStep_MakeCylindricalSurface.hxx>
#include <StdFail_NotDone.hxx>
#include <StepGeom_Axis2Placement3d.hxx>
#include <StepGeom_CylindricalSurface.hxx>
#include <TCollection_HAsciiString.hxx>
#include <UnitsMethods.hxx>

//=============================================================================
// Creation d' une conical_surface de prostep a partir d' une 
// CylindricalSurface de Geom
//=============================================================================
GeomToStep_MakeCylindricalSurface::GeomToStep_MakeCylindricalSurface
  ( const Handle(Geom_CylindricalSurface)& CS )
	
{
  Handle(StepGeom_CylindricalSurface) CSstep;
  Handle(StepGeom_Axis2Placement3d) aPosition;
  Standard_Real aRadius;
  
  GeomToStep_MakeAxis2Placement3d MkAxis2(CS->Position());
  aPosition = MkAxis2.Value();
  aRadius = CS->Radius();
  CSstep = new StepGeom_CylindricalSurface;
  Handle(TCollection_HAsciiString) name = new TCollection_HAsciiString("");
  CSstep->Init(name, aPosition, aRadius / UnitsMethods::LengthFactor());
  theCylindricalSurface = CSstep;
  done = Standard_True;
}

//=============================================================================
// renvoi des valeurs
//=============================================================================

const Handle(StepGeom_CylindricalSurface) &
      GeomToStep_MakeCylindricalSurface::Value() const
{
  StdFail_NotDone_Raise_if (!done, "GeomToStep_MakeCylindricalSurface::Value() - no result");
  return theCylindricalSurface;
}