sphereRandom.H

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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
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    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::sampledSets::sphereRandom
 
Description
    Random samples within a sphere
 
Usage
    \table
        Property    | Description                            | Req'd? | Default
        centre      | Centre of the sphere                   | yes    |
        radius      | Radius of the sphere                   | yes    |
        nPoints     | The number of points                   | yes    |
        axis        | The coordinate axis that is written    | yes    |
    \endtable
 
    Example specification:
    \verbatim
    {
        type        sphereRandom;
        centre      (0.95 0 0.25);
        radius      0.25;
        nPoints     200;
        axis        x;
    }
    \endverbatim
 
SourceFiles
    sphereRandom.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef sphereRandom_H
#define sphereRandom_H
 
#include "sampledSet.H"
#include "DynamicList.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
namespace sampledSets
{
 
/*---------------------------------------------------------------------------*\
                        Class sphereRandom Declaration
\*---------------------------------------------------------------------------*/
 
class sphereRandom
:
    public sampledSet
{
    // Private Data
 
        //- Centre point
        const point centre_;
 
        //- Radius
        const scalar radius_;
 
        //- Number of points
        const label nPoints_;
 
 
    // Private Member Functions
 
        //- Samples all points in sampleCoords
        void calcSamples
        (
            DynamicList<point>& samplingPositions,
            DynamicList<label>& samplingSegments,
            DynamicList<label>& samplingCells,
            DynamicList<label>& samplingFaces
        ) const;
 
        //- Uses calcSamples to obtain samples. Copies them into *this.
        void genSamples();
 
 
public:
 
    //- Runtime type information
    TypeName("sphereRandom");
 
 
    // Constructors
 
        //- Construct from dictionary
        sphereRandom
        (
            const word& name,
            const polyMesh& mesh,
            const meshSearch& searchEngine,
            const dictionary& dict
        );
 
 
    //- Destructor
    virtual ~sphereRandom();
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace sampledSets
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //