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lineDivide.C

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00001 /*---------------------------------------------------------------------------*\
00002   =========                 |
00003   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
00004    \\    /   O peration     |
00005     \\  /    A nd           | Copyright (C) 1991-2010 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
00013     the Free Software Foundation, either version 3 of the License, or
00014     (at your 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, see <http://www.gnu.org/licenses/>.
00023 
00024 \*---------------------------------------------------------------------------*/
00025 
00026 #include <OpenFOAM/error.H>
00027 
00028 #include "lineDivide.H"
00029 #include "curvedEdge.H"
00030 
00031 
00032 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
00033 
00034 Foam::lineDivide::lineDivide
00035 (
00036     const curvedEdge& cedge,
00037     const label ndiv,
00038     const scalar xratio
00039 )
00040 :
00041     points_(ndiv + 1),
00042     divisions_(ndiv + 1)
00043 {
00044     divisions_[0]    = 0.0;
00045     divisions_[ndiv] = 1.0;
00046 
00047     // calculate the spacing
00048     if (xratio == 1.0)
00049     {
00050         for (label i=1; i < ndiv; i++)
00051         {
00052             divisions_[i] = scalar(i)/ndiv;
00053         }
00054     }
00055     else
00056     {
00057         for (label i=1; i < ndiv; i++)
00058         {
00059             divisions_[i] = (1.0 - pow(xratio, i))/(1.0 - pow(xratio, ndiv));
00060         }
00061     }
00062 
00063     // calculate the points
00064     for (label i=0; i <= ndiv; i++)
00065     {
00066         points_[i] = cedge.position(divisions_[i]);
00067     }
00068 }
00069 
00070 
00071 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
00072 
00073 const Foam::pointField& Foam::lineDivide::points() const
00074 {
00075     return points_;
00076 }
00077 
00078 
00079 const Foam::scalarList& Foam::lineDivide::lambdaDivisions() const
00080 {
00081     return divisions_;
00082 }
00083 
00084 
00085 // ************************ vim: set sw=4 sts=4 et: ************************ //
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