normalToFace.H

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | Copyright (C) 2011 OpenFOAM Foundation
     \\/     M anipulation  |
-------------------------------------------------------------------------------
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::normalToFace
 
Description
    A topoSetSource to select faces based on normal.
 
SourceFiles
    normalToFace.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef normalToFace_H
#define normalToFace_H
 
#include "topoSetSource.H"
#include "NamedEnum.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
/*---------------------------------------------------------------------------*\
                       Class normalToFace Declaration
\*---------------------------------------------------------------------------*/
 
class normalToFace
:
    public topoSetSource
{
 
private:
 
        //- Add usage string
        static addToUsageTable usage_;
 
        //- (unit)vector to compare to
        vector normal_;
 
        //- Tolerance (i.e. cos of angle between normal_ and faceNormal)
        const scalar tol_;
 
 
    // Private Member Functions
 
        //- Normalize normal and check tolerance
        void setNormal();
 
 
public:
 
    //- Runtime type information
    TypeName("normalToFace");
 
    // Constructors
 
        //- Construct from components
        normalToFace
        (
            const polyMesh& mesh,
            const vector& normal,
            const scalar tol
        );
 
        //- Construct from dictionary
        normalToFace(const polyMesh& mesh, const dictionary& dict);
 
        //- Construct from Istream
        normalToFace(const polyMesh& mesh, Istream&);
 
 
    //- Destructor
    virtual ~normalToFace();
 
 
    // Member Functions
 
        virtual sourceType setType() const
        {
            return FACESETSOURCE;
        }
 
        virtual void applyToSet
        (
            const topoSetSource::setAction action,
            topoSet&
        ) const;
 
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //