/*---------------------------------------------------------------------------*\
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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::sampledSets::boundaryPoints

Description
    Specified point samples within patches

Usage
    \table
        Property    | Description                            | Req'd? | Default
        patches     | The patches on which to sample         | yes    |
        points      | The points to sample                   | yes    |
        maxDistance | The maximum distance from patch to point | yes  |
        axis        | The coordinate axis that is written    | yes    |
    \endtable

    Example specification:
    \verbatim
    {
        type        boundaryPoints;
        patches     (inlet1 inlet2);
        points
        (
            (0 -0.05 0.05)
            (0 -0.05 0.15)
            (0 0.05 0.15)
            (0 0.05 0.05)
        );
        maxDistance 0.01;
        axis        x;
    }
    \endverbatim

SourceFiles
    boundaryPoints.C

\*---------------------------------------------------------------------------*/

#ifndef boundaryPoints_H
#define boundaryPoints_H

#include "sampledSet.H"
#include "DynamicList.H"
#include "HashSet.H"
#include "wordReList.H"

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

namespace Foam
{
namespace sampledSets
{

/*---------------------------------------------------------------------------*\
                       Class boundaryPoints Declaration
\*---------------------------------------------------------------------------*/

class boundaryPoints
:
    public sampledSet
{
    // Private Data

        //- Sampling points
        const List<point> points_;

        //- Patches to sample
        const wordReList patches_;

        //- Maximum distance to to search for a nearby patch
        const scalar maxDistance_;


    // Private Member Functions

        //- Calculate all the sampling points
        virtual bool calcSamples
        (
            DynamicList<point>& samplingPositions,
            DynamicList<scalar>&,
            DynamicList<label>& samplingSegments,
            DynamicList<label>& samplingCells,
            DynamicList<label>& samplingFaces
        ) const;


public:

    //- Runtime type information
    TypeName("boundaryPoints");


    // Constructors

        //- Construct from dictionary
        boundaryPoints
        (
            const word& name,
            const polyMesh& mesh,
            const dictionary& dict
        );


    //- Destructor
    virtual ~boundaryPoints();
};


// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

} // End namespace sampledSets
} // End namespace Foam

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

#endif

// ************************************************************************* //