1 // Author: Kirill Gavrilov
2 // Copyright: Open CASCADE 2015-2019
4 // This file is part of Open CASCADE Technology software library.
6 // This library is free software; you can redistribute it and/or modify it under
7 // the terms of the GNU Lesser General Public License version 2.1 as published
8 // by the Free Software Foundation, with special exception defined in the file
9 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
10 // distribution for complete text of the license and disclaimer of any warranty.
12 // Alternatively, this file may be used under the terms of Open CASCADE
13 // commercial license or contractual agreement.
15 #ifndef _RWMesh_CoordinateSystem_HeaderFile
16 #define _RWMesh_CoordinateSystem_HeaderFile
18 //! Standard coordinate system definition.
19 //! Open CASCADE does not force application using specific coordinate system,
20 //! although Draw Harness and samples define +Z-up +Y-forward coordinate system for camera view manipulation.
21 //! This enumeration defines two commonly used conventions - Z-up and Y-up..
22 enum RWMesh_CoordinateSystem
24 RWMesh_CoordinateSystem_Undefined = -1, //!< undefined
25 RWMesh_CoordinateSystem_posYfwd_posZup = 0, //!< +YForward+Zup+Xright
26 RWMesh_CoordinateSystem_negZfwd_posYup, //!< -ZForward+Yup+Xright
28 RWMesh_CoordinateSystem_Blender = RWMesh_CoordinateSystem_posYfwd_posZup, //!< coordinate system used by Blender (+YForward+Zup+Xright)
29 RWMesh_CoordinateSystem_glTF = RWMesh_CoordinateSystem_negZfwd_posYup, //!< coordinate system used by glTF (-ZForward+Yup+Xright)
30 RWMesh_CoordinateSystem_Zup = RWMesh_CoordinateSystem_Blender, //!< Z-up coordinate system (+YForward+Zup+Xright)
31 RWMesh_CoordinateSystem_Yup = RWMesh_CoordinateSystem_glTF, //!< Y-up coordinate system (-ZForward+Yup+Xright)
34 #endif // _RWMesh_CoordinateSystem_HeaderFile