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77 lines
2.3 KiB
C++
77 lines
2.3 KiB
C++
// Created on: 1993-04-13
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// Created by: JCV
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// Copyright (c) 1993-1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#ifndef _gp_EulerSequence_HeaderFile
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#define _gp_EulerSequence_HeaderFile
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//! Enumerates all 24 possible variants of generalized
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//! Euler angles, defining general 3d rotation by three
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//! rotations around main axes of coordinate system,
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//! in different possible orders.
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//!
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//! The name of the enumeration
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//! corresponds to order of rotations, prefixed by type
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//! of coordinate system used:
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//! - Intrinsic: rotations are made around axes of rotating
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//! coordinate system associated with the object
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//! - Extrinsic: rotations are made around axes of fixed
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//! (static) coordinate system
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//!
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//! Two specific values are provided for most frequently used
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//! conventions: classic Euler angles (intrinsic ZXZ) and
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//! yaw-pitch-roll (intrinsic ZYX).
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enum gp_EulerSequence
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{
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//! Classic Euler angles, alias to Intrinsic_ZXZ
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gp_EulerAngles,
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//! Yaw Pitch Roll (or nautical) angles, alias to Intrinsic_ZYX
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gp_YawPitchRoll,
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// Tait-Bryan angles (using three different axes)
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gp_Extrinsic_XYZ,
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gp_Extrinsic_XZY,
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gp_Extrinsic_YZX,
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gp_Extrinsic_YXZ,
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gp_Extrinsic_ZXY,
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gp_Extrinsic_ZYX,
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gp_Intrinsic_XYZ,
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gp_Intrinsic_XZY,
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gp_Intrinsic_YZX,
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gp_Intrinsic_YXZ,
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gp_Intrinsic_ZXY,
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gp_Intrinsic_ZYX,
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// Proper Euler angles (using two different axes, first and third the same)
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gp_Extrinsic_XYX,
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gp_Extrinsic_XZX,
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gp_Extrinsic_YZY,
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gp_Extrinsic_YXY,
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gp_Extrinsic_ZYZ,
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gp_Extrinsic_ZXZ,
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gp_Intrinsic_XYX,
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gp_Intrinsic_XZX,
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gp_Intrinsic_YZY,
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gp_Intrinsic_YXY,
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gp_Intrinsic_ZXZ,
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gp_Intrinsic_ZYZ
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};
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#endif // _gp_EulerSequence_HeaderFile
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