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00001 /*---------------------------------------------------------------------------*\ 00002 ========= | 00003 \\ / F ield | OpenFOAM: The Open Source CFD Toolbox 00004 \\ / O peration | 00005 \\ / A nd | Copyright (C) 1991-2005 OpenCFD Ltd. 00006 \\/ M anipulation | 00007 ------------------------------------------------------------------------------- 00008 License 00009 This file is part of OpenFOAM. 00010 00011 OpenFOAM is free software; you can redistribute it and/or modify it 00012 under the terms of the GNU General Public License as published by the 00013 Free Software Foundation; either version 2 of the License, or (at your 00014 option) any later version. 00015 00016 OpenFOAM is distributed in the hope that it will be useful, but WITHOUT 00017 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 00018 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 00019 for more details. 00020 00021 You should have received a copy of the GNU General Public License 00022 along with OpenFOAM; if not, write to the Free Software Foundation, 00023 Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 00024 00025 Class 00026 coordinateRotation 00027 00028 Description 00029 Virtual base class for coordinate rotation. Allows multiple definitions of 00030 rotations of coordinate sytems. 00031 00032 00033 \*---------------------------------------------------------------------------*/ 00034 00035 #ifndef coordinateRotation_H 00036 #define coordinateRotation_H 00037 00038 #include "vector.H" 00039 #include "tensor.H" 00040 00041 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00042 00043 namespace Foam 00044 { 00045 00046 /*---------------------------------------------------------------------------*\ 00047 Class coordinateRotation Declaration 00048 \*---------------------------------------------------------------------------*/ 00049 00050 class coordinateRotation 00051 { 00052 public: 00053 00054 // Static data members 00055 00056 //- Axis 00057 static const vector z; 00058 00059 //- Direction 00060 static const vector x; 00061 00062 00063 // Destructor 00064 00065 virtual ~coordinateRotation() 00066 {} 00067 00068 00069 // Member Functions 00070 00071 //- Return local-to-global transformation tensor 00072 virtual const tensor& R() const = 0; 00073 00074 //- Return local axis 00075 vector axis() const 00076 { 00077 return R() & z; 00078 } 00079 00080 //- Return local direction 00081 vector direction() const 00082 { 00083 return R() & x; 00084 } 00085 }; 00086 00087 00088 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00089 00090 } // End namespace Foam 00091 00092 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00093 00094 #endif 00095 00096 // ************************************************************************* //