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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 regionSplit 00027 00028 Description 00029 This class separates the mesh into distint unconnected regions, 00030 each of which is then given a label. 00031 00032 SourceFiles 00033 regionSplit.C 00034 00035 \*---------------------------------------------------------------------------*/ 00036 00037 #ifndef regionSplit_H 00038 #define regionSplit_H 00039 00040 #include "polyMesh.H" 00041 #include "demandDrivenData.H" 00042 00043 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00044 00045 namespace Foam 00046 { 00047 00048 // Class forward declarations 00049 class regionInfo; 00050 00051 /*---------------------------------------------------------------------------*\ 00052 Class regionSplit Declaration 00053 \*---------------------------------------------------------------------------*/ 00054 00055 class regionSplit 00056 { 00057 // Private data 00058 00059 //- Reference to mesh 00060 const polyMesh& mesh_; 00061 00062 //- Number of regions 00063 mutable label nRegions_; 00064 00065 //- Cell-to-region list 00066 mutable labelList* cellToRegionPtr_; 00067 00068 00069 // Private Member Functions 00070 00071 //- Disallow default bitwise copy construct 00072 regionSplit(const regionSplit&); 00073 00074 //- Disallow default bitwise assignment 00075 void operator=(const regionSplit&); 00076 00077 00078 //- Calculate region split 00079 void calcRegionSplit() const; 00080 00081 //- Given a seed cell label, fill mask with 1 for contiguous 00082 // region around it 00083 void fillSeedMask 00084 ( 00085 labelList& region, 00086 const label seedCellID, 00087 const label mark 00088 ) const; 00089 00090 00091 public: 00092 00093 // Constructors 00094 00095 //- Construct from mesh 00096 regionSplit(const polyMesh& m) 00097 : 00098 mesh_(m), 00099 nRegions_(-1), 00100 cellToRegionPtr_(NULL) 00101 {} 00102 00103 // Destructor 00104 00105 ~regionSplit() 00106 { 00107 deleteDemandDrivenData(cellToRegionPtr_); 00108 } 00109 00110 00111 // Member Functions 00112 00113 //- Return number of regions 00114 label nRegions() const; 00115 00116 //- Return region split 00117 const labelList& cellToRegion() const; 00118 00119 //- Return mask covering contiguous cells from the given seed cell 00120 labelList seedMask(const label seedCellID) const; 00121 00122 }; 00123 00124 00125 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00126 00127 } // End namespace Foam 00128 00129 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00130 00131 #endif 00132 00133 // ************************************************************************* //