patchSeedSet.H

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | Copyright (C) 2012-2014 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::patchSeedSet
 
Description
    Initialises points on or just off patch
 
SourceFiles
    patchSeedSet.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef patchSeedSet_H
#define patchSeedSet_H
 
#include "sampledSet.H"
#include "DynamicList.H"
#include "HashSet.H"
#include "Random.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
/*---------------------------------------------------------------------------*\
                           Class patchSeedSet Declaration
\*---------------------------------------------------------------------------*/
 
class patchSeedSet
:
    public sampledSet
{
    // Private data
 
        //- Patches to sample
        const labelHashSet patchSet_;
 
        //- Maximum number of patch faces to seed (if in random subset mode)
        const label maxPoints_;
 
        //- Random number generator (if maxPoints < num patch faces)
        autoPtr<Random> rndGenPtr_;
 
        //- Patch faces to seed selected based on nearness to supplied points
        const pointField selectedLocations_;
 
 
    // Private Member Functions
 
        //- Samples all points in sampleCoords.
        void calcSamples
        (
            DynamicList<point>& samplingPts,
            DynamicList<label>& samplingCells,
            DynamicList<label>& samplingFaces,
            DynamicList<label>& samplingSegments,
            DynamicList<scalar>& samplingCurveDist
        );
 
        //- Uses calcSamples to obtain samples. Copies them into *this.
        void genSamples();
 
 
public:
 
    //- Runtime type information
    TypeName("patchSeed");
 
 
    // Constructors
 
        //- Construct from dictionary
        patchSeedSet
        (
            const word& name,
            const polyMesh& mesh,
            const meshSearch& searchEngine,
            const dictionary& dict
        );
 
 
    //- Destructor
    virtual ~patchSeedSet();
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //