src/finiteVolume/interpolation/interpolation/interpolationCellPoint/cellPointWeight/cellPointWeight.H

   1 /*---------------------------------------------------------------------------*\
   2   =========                 |
   3   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   4    \\    /   O peration     |
   5     \\  /    A nd           | Copyright (C) 1991-2009 OpenCFD Ltd.
   6      \\/     M anipulation  |
   7 -------------------------------------------------------------------------------
   8 License
   9     This file is part of OpenFOAM.
  10
  11     OpenFOAM is free software; you can redistribute it and/or modify it
  12     under the terms of the GNU General Public License as published by the
  13     Free Software Foundation; either version 2 of the License, or (at your
  14     option) any later version.
  15
  16     OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
  17     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  18     FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  19     for more details.
  20
  21     You should have received a copy of the GNU General Public License
  22     along with OpenFOAM; if not, write to the Free Software Foundation,
  23     Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  24
  25 Class
  26     Foam::cellPointWeight
  27
  28 Description
  29     Foam::cellPointWeight
  30
  31 SourceFiles
  32     cellPointWeight.C
  33
  34 \*---------------------------------------------------------------------------*/
  35
  36 #ifndef cellPointWeight_H
  37 #define cellPointWeight_H
  38
  39 #include "vector.H"
  40
  41 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  42
  43 namespace Foam
  44 {
  45
  46 class polyMesh;
  47
  48 /*---------------------------------------------------------------------------*\
  49                            Class cellPointWeight Declaration
  50 \*---------------------------------------------------------------------------*/
  51
  52 class cellPointWeight
  53 {
  54 protected:
  55
  56     // Protected data
  57
  58        //- Cell index
  59        const label cellIndex_;
  60
  61        //- Weights applied to tet vertices
  62        FixedList<scalar, 4> weights_;
  63
  64        //- Face vertex indices
  65        FixedList<label, 3> faceVertices_;
  66
  67
  68     // Protected Member Functions
  69
  70         void findTetrahedron
  71         (
  72             const polyMesh& mesh,
  73             const vector& position,
  74             const label cellIndex
  75         );
  76
  77         void findTriangle
  78         (
  79             const polyMesh& mesh,
  80             const vector& position,
  81             const label faceIndex
  82         );
  83
  84
  85 public:
  86
  87     //- Debug switch
  88     static int debug;
  89
  90     //- Tolerance used in calculating barycentric co-ordinates
  91     //  (applied to normalised values)
  92     static scalar tol;
  93
  94
  95     // Constructors
  96
  97         //- Construct from components
  98         cellPointWeight
  99         (
 100             const polyMesh& mesh,
 101             const vector& position,
 102             const label nCell,
 103             const label facei = -1
 104         );
 105
 106
 107     // Member Functions
 108
 109         //- Cell index
 110         inline label cell() const
 111         {
 112             return cellIndex_;
 113         }
 114
 115         //- interpolation weights
 116         inline const FixedList<scalar, 4>& weights() const
 117         {
 118             return weights_;
 119         }
 120
 121         //- interpolation addressing for points on face
 122         inline const FixedList<label, 3>& faceVertices() const
 123         {
 124             return faceVertices_;
 125         }
 126 };
 127
 128
 129 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 130
 131 } // End namespace Foam
 132
 133 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 134
 135 #endif
 136
 137 // ************************************************************************* //