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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 cartesianCS 00027 00028 Description 00029 Cartesian coordinate system. 00030 00031 SourceFiles 00032 cartesianCS.C 00033 00034 \*---------------------------------------------------------------------------*/ 00035 00036 #ifndef cartesianCS_H 00037 #define cartesianCS_H 00038 00039 #include "coordinateSystem.H" 00040 #include "typeInfo.H" 00041 00042 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00043 00044 namespace Foam 00045 { 00046 00047 /*---------------------------------------------------------------------------*\ 00048 Class cartesianCS Declaration 00049 \*---------------------------------------------------------------------------*/ 00050 00051 class cartesianCS 00052 : 00053 public coordinateSystem 00054 { 00055 // Private data 00056 00057 //- Local-to-global transformation tensor 00058 tensor R_; 00059 00060 //- Global-to-local transformation tensor 00061 tensor Rtrans_; 00062 00063 static const scalar nonOrthogonalError; 00064 00065 00066 // Private member functions 00067 00068 //- Calculate transformation tensors 00069 void calcTransformations(); 00070 00071 00072 public: 00073 00074 //- Runtime type information 00075 TypeName("Cartesian"); 00076 00077 00078 // Constructors 00079 00080 //- Construct from origin and 2 axes 00081 cartesianCS 00082 ( 00083 const word& name, 00084 const vector& origin, 00085 const vector& axis, 00086 const vector& dir 00087 ); 00088 00089 //- Construct from origin and rotation angles 00090 cartesianCS 00091 ( 00092 const word& name, 00093 const vector& origin, 00094 const coordinateRotation& cr 00095 ); 00096 00097 //- Construct from dictionary 00098 cartesianCS(const word& name, const dictionary& dict); 00099 00100 00101 // Destructor 00102 00103 virtual ~cartesianCS() 00104 {} 00105 00106 00107 // Member Functions 00108 00109 //- Convert from local coordinate system to the global Cartesian system 00110 virtual vector toGlobal(const vector& localV) const; 00111 00112 virtual tmp<vectorField> toGlobal(const vectorField& localV) const; 00113 00114 //- Convert from global Cartesian system to the local coordinate system 00115 virtual vector toLocal(const vector& globalV) const; 00116 00117 virtual tmp<vectorField> toLocal(const vectorField& globalV) const; 00118 }; 00119 00120 00121 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00122 00123 } // End namespace Foam 00124 00125 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00126 00127 #endif 00128 00129 // ************************************************************************* //