boundaryToFace.H

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/*---------------------------------------------------------------------------*\
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-------------------------------------------------------------------------------
    Copyright (C) 2011 OpenFOAM Foundation
    Copyright (C) 2018-2020 OpenCFD Ltd.
-------------------------------------------------------------------------------
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.

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    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::boundaryToFace

Description
    A \c topoSetFaceSource to select faces on all external boundaries.

    Operands:
    \table
      Operand   | Type    | Location
      output    | faceSet | $FOAM_CASE/constant/polyMesh/sets/<set>
    \endtable

Usage
    Minimal example by using \c system/topoSetDict.actions:
    \verbatim
    {
        // Mandatory (inherited) entries
        name        <name>;
        type        faceSet;
        action      <action>;

        // Mandatory entries
        source      boundaryToFace;
    }
    \endverbatim

    where the entries mean:
    \table
      Property   | Description                          | Type | Req'd | Dflt
      name       | Name of faceSet                      | word |  yes  | -
      type       | Type name: faceSet                   | word |  yes  | -
      action     | Action applied on faces - see below  | word |  yes  | -
      source     | Source name: boundaryToFace          | word |  yes  | -
    \endtable

    Options for the \c action entry:
    \verbatim
      new      | Create a new faceSet from selected faces
      add      | Add selected faces into this faceSet
      subtract | Remove selected faces from this faceSet
    \endverbatim

See also
    - Foam::topoSetSource
    - Foam::topoSetFaceSource
    - Foam::patchToFace

SourceFiles
    boundaryToFace.C

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

#ifndef boundaryToFace_H
#define boundaryToFace_H

#include "topoSetFaceSource.H"

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

namespace Foam
{

/*---------------------------------------------------------------------------*\
                      Class boundaryToFace Declaration
\*---------------------------------------------------------------------------*/

class boundaryToFace
:
    public topoSetFaceSource
{
    // Private Data

        //- Add usage string
        static addToUsageTable usage_;


    // Private Member Functions

        void combine(topoSet& set, const bool add) const;


public:

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


    // Constructors

        //- Construct from components
        boundaryToFace(const polyMesh& mesh);

        //- Construct from dictionary
        boundaryToFace(const polyMesh& mesh, const dictionary& unused);

        //- Construct from Istream
        boundaryToFace(const polyMesh& mesh, Istream& unused);


    //- Destructor
    virtual ~boundaryToFace() = default;


    // Member Functions

        virtual void applyToSet
        (
            const topoSetSource::setAction action,
            topoSet& set
        ) const;
};


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

} // End namespace Foam

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

#endif

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