arcEdge.H

Go to the documentation of this file.

/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | Copyright (C) 2011 OpenFOAM Foundation
     \\/     M anipulation  |
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.
 
    OpenFOAM is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.
 
    You should have received a copy of the GNU General Public License
    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 
Class
    Foam::arcEdge
 
Description
    Defines the arcEdge of a circle in terms of 3 points on its circumference
 
SourceFiles
    arcEdge.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef arcEdge_H
#define arcEdge_H
 
#include "curvedEdge.H"
#include "cylindricalCS.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
/*---------------------------------------------------------------------------*\
                           Class arcEdge Declaration
\*---------------------------------------------------------------------------*/
 
class arcEdge
:
    public curvedEdge
{
    // Private data
 
        point p1_, p2_, p3_;
        cylindricalCS cs_;
        scalar angle_;
        scalar radius_;
 
    // Private Member Functions
 
        //- Calculate the coordinate system, angle and radius
        cylindricalCS calcAngle();
 
        //- Disallow default bitwise copy construct
        arcEdge(const arcEdge&);
 
        //- Disallow default bitwise assignment
        void operator=(const arcEdge&);
 
public:
 
    //- Runtime type information
    TypeName("arc");
 
 
    // Constructors
 
        //- Construct from components
        arcEdge
        (
            const pointField& points,
            const label start, const label end,
            const point& pMid
        );
 
        //- Construct from Istream setting pointsList
        arcEdge(const pointField& points, Istream&);
 
 
    //- Destructor
    virtual ~arcEdge(){}
 
 
    // Member Functions
 
        //- Return the point position corresponding to the curve parameter
        //  0 <= lambda <= 1
        point position(const scalar) const;
 
        //- Return the length of the curve
        scalar length() const;
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //