linearDistance.H

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | Copyright (C) 2012-2015 OpenFOAM Foundation
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-------------------------------------------------------------------------------
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::linearDistance
 
Description
 
SourceFiles
    linearDistance.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef linearDistance_H
#define linearDistance_H
 
#include "cellSizeFunction.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
/*---------------------------------------------------------------------------*\
                         Class linearDistance Declaration
\*---------------------------------------------------------------------------*/
 
class linearDistance
:
    public cellSizeFunction
{
 
private:
 
    // Private data
 
        //- Cell size at distance_ from the surface
        scalar distanceCellSize_;
 
        //- Distance from the surface to control over
        scalar distance_;
 
        //- Distance squared
        scalar distanceSqr_;
 
 
    // Private Member Functions
 
        //- Calculate the cell size as a function of the given distance
        scalar sizeFunction(const point& pt, scalar d, label index) const;
 
 
public:
 
    //- Runtime type information
    TypeName("linearDistance");
 
    // Constructors
 
        //- Construct from components
        linearDistance
        (
            const dictionary& initialPointsDict,
            const searchableSurface& surface,
            const scalar& defaultCellSize,
            const labelList regionIndices
        );
 
 
    //- Destructor
    virtual ~linearDistance()
    {}
 
 
    // Member Functions
 
 
        virtual bool sizeLocations
        (
            const pointIndexHit& hitPt,
            const vector& n,
            pointField& shapePts,
            scalarField& shapeSizes
        ) const;
 
        //- Modify scalar argument to the cell size specified by function.
        //  Return a boolean specifying if the function was used, i.e. false if
        //  the point was not in range of the surface for a spatially varying
        //  size.
        virtual bool cellSize
        (
            const point& pt,
            scalar& size
        ) const;
 
        //- Adapt local cell size. Return true if anything changed.
        virtual bool setCellSize
        (
            const pointField& pts
        );
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //