1 // Created on: 1993-06-16
2 // Created by: Martine LANGLOIS
3 // Copyright (c) 1993-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
6 // This file is part of Open CASCADE Technology software library.
8 // This library is free software; you can redistribute it and/or modify it under
9 // the terms of the GNU Lesser General Public License version 2.1 as published
10 // by the Free Software Foundation, with special exception defined in the file
11 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
12 // distribution for complete text of the license and disclaimer of any warranty.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
18 #include <Geom_ConicalSurface.hxx>
19 #include <GeomToStep_MakeAxis2Placement3d.hxx>
20 #include <GeomToStep_MakeConicalSurface.hxx>
21 #include <Standard_DomainError.hxx>
22 #include <StdFail_NotDone.hxx>
23 #include <StepGeom_Axis2Placement3d.hxx>
24 #include <StepGeom_ConicalSurface.hxx>
25 #include <TCollection_HAsciiString.hxx>
26 #include <UnitsMethods.hxx>
28 //=============================================================================
29 // Creation d' une conical_surface de prostep a partir d' une ConicalSurface
31 //=============================================================================
32 GeomToStep_MakeConicalSurface::GeomToStep_MakeConicalSurface
33 ( const Handle(Geom_ConicalSurface)& CS )
36 Handle(StepGeom_ConicalSurface) CSstep = new StepGeom_ConicalSurface;
37 Handle(StepGeom_Axis2Placement3d) aPosition;
38 Standard_Real aRadius, aSemiAngle;
40 GeomToStep_MakeAxis2Placement3d MkAxis(CS->Position());
41 aPosition = MkAxis.Value();
42 aRadius = CS->RefRadius();
43 aSemiAngle = CS->SemiAngle();
44 if (aSemiAngle < 0. || aSemiAngle > M_PI/2.) {
45 throw Standard_DomainError("Conicalsurface not STEP conformant");
48 Handle(TCollection_HAsciiString) name = new TCollection_HAsciiString("");
49 CSstep->Init(name, aPosition, aRadius / UnitsMethods::LengthFactor(), aSemiAngle);
50 theConicalSurface = CSstep;
54 //=============================================================================
56 //=============================================================================
58 const Handle(StepGeom_ConicalSurface) &
59 GeomToStep_MakeConicalSurface::Value() const
61 StdFail_NotDone_Raise_if (!done, "GeomToStep_MakeConicalSurface::Value() - no result");
62 return theConicalSurface;