FreeFOAM The Cross-Platform CFD Toolkit
Hosted by SourceForge:
Get FreeFOAM at SourceForge.net.
            Fast, secure and Free Open Source software downloads

lineEdge.C

Go to the documentation of this file.
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 #include "lineEdge.H"
00028 #include <OpenFOAM/addToRunTimeSelectionTable.H>
00029 
00030 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
00031 
00032 namespace Foam
00033 {
00034     defineTypeNameAndDebug(lineEdge, 0);
00035     addToRunTimeSelectionTable(curvedEdge, lineEdge, Istream);
00036 }
00037 
00038 
00039 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
00040 
00041 Foam::lineEdge::lineEdge
00042 (
00043     const pointField& points,
00044     const label start,
00045     const label end
00046 )
00047 :
00048     curvedEdge(points, start, end)
00049 {}
00050 
00051 
00052 Foam::lineEdge::lineEdge(const pointField& points, Istream& is)
00053 :
00054     curvedEdge(points, is)
00055 {}
00056 
00057 // * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * * //
00058 
00059 Foam::lineEdge::~lineEdge()
00060 {}
00061 
00062 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
00063 
00064 Foam::point Foam::lineEdge::position(const scalar lambda) const
00065 {
00066     if (lambda < 0 || lambda > 1)
00067     {
00068         FatalErrorIn("lineEdge::position(const scalar)")
00069             << "Parameter out of range, lambda = " << lambda
00070             << abort(FatalError);
00071     }
00072 
00073     return points_[start_] + lambda * (points_[end_] - points_[start_]);
00074 }
00075 
00076 
00077 Foam::scalar Foam::lineEdge::length() const
00078 {
00079     return mag(points_[end_] - points_[start_]);
00080 }
00081 
00082 
00083 // ************************ vim: set sw=4 sts=4 et: ************************ //
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Defines