MeshedSurfaceProxy.H

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/*---------------------------------------------------------------------------*\
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  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | www.openfoam.com
     \\/     M anipulation  |
-------------------------------------------------------------------------------
    Copyright (C) 2011-2016 OpenFOAM Foundation
    Copyright (C) 2016-2020 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.

    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::MeshedSurfaceProxy

Description
    A proxy for writing MeshedSurface, UnsortedMeshedSurface and surfMesh
    to various file formats.

    The constructor interface is fat and ugly, but is largely encapsulated
    by conversion operators in other classes.

SourceFiles
    MeshedSurfaceProxy.C
    MeshedSurfaceProxys.C

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

#ifndef MeshedSurfaceProxy_H
#define MeshedSurfaceProxy_H

#include "pointField.H"
#include "surfZoneList.H"
#include "surfaceFormatsCore.H"
#include "runTimeSelectionTables.H"
#include "memberFunctionSelectionTables.H"

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

namespace Foam
{

// Forward Declarations
template<class Face> class MeshedSurface;

/*---------------------------------------------------------------------------*\
                     Class MeshedSurfaceProxy Declaration
\*---------------------------------------------------------------------------*/

template<class Face>
class MeshedSurfaceProxy
:
    public fileFormats::surfaceFormatsCore
{
    // Private Data

        const pointField& points_;

        const UList<Face>& faces_;

        const UList<surfZone>& zones_;

        const UList<label>& faceMap_;

        const UList<label>& faceIds_;


public:

    // Public Typedefs

        //- The face type
        typedef Face face_type;

        //- The point type
        typedef point point_type;


    //- Declare type-name (with debug switch)
    ClassName("MeshedSurfaceProxy");


    // Static Functions

        //- The file format types that can be written via MeshedSurfaceProxy
        static wordHashSet writeTypes();

        //- Can this file format type be written via MeshedSurfaceProxy?
        static bool canWriteType(const word& fileType, bool verbose=false);


    // Constructors

        //- Construct from component references
        MeshedSurfaceProxy
        (
            const pointField& pointLst,
            const UList<Face>& faceLst,
            const UList<surfZone>& zoneLst = UList<surfZone>::null(),
            const labelUList& faceMap = labelUList::null(),
            const labelUList& faceIdLst = labelUList::null()
        );


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


    // Member Function Selectors

        declareMemberFunctionSelectionTable
        (
            void,
            MeshedSurfaceProxy,
            write,
            fileExtension,
            (
                const fileName& name,
                const MeshedSurfaceProxy<Face>& surf,
                IOstreamOption streamOpt,
                const dictionary& options
            ),
            (name, surf, streamOpt, options)
        );

        //- Write to file, select based on its extension
        static void write
        (
            const fileName& name,
            const MeshedSurfaceProxy& surf,
            IOstreamOption streamOpt = IOstreamOption(),
            const dictionary& options = dictionary::null
        );

        //- Write to file with given format type.
        //  If the format type is "", uses the file extension.
        static void write
        (
            const fileName& name,
            const word& fileType,
            const MeshedSurfaceProxy& surf,
            IOstreamOption streamOpt = IOstreamOption(),
            const dictionary& options = dictionary::null
        );


    // Member Functions

        // Access

            //- The surface size is the number of faces
            label size() const
            {
                return faces_.size();
            }

            //- Return const access to the points
            const pointField& points() const
            {
                return points_;
            }

            //- Return const access to the faces
            const UList<Face>& surfFaces() const
            {
                return faces_;
            }

            //- Const access to the surface zones.
            //  If zones are defined, they must be contiguous and cover the
            //  entire surface
            const UList<surfZone>& surfZones() const
            {
                return zones_;
            }

            //- Const access to the faceMap, zero-sized when unused
            const labelUList& faceMap() const
            {
                return faceMap_;
            }

            //- Const access to the faceIds, zero-sized when unused
            const labelUList& faceIds() const
            {
                return faceIds_;
            }

            //- Can/should use faceMap?
            bool useFaceMap() const
            {
                return faceMap_.size() == faces_.size();
            }

            //- Possible to use faceIds?
            bool useFaceIds() const
            {
                return faceIds_.size() == faces_.size();
            }

            //- Count number of triangles.
            inline label nTriangles() const;


    // Write

        //- Write to file, choosing writer based on the file extension.
        virtual void write
        (
            const fileName& name,
            IOstreamOption streamOpt = IOstreamOption(),
            const dictionary& options = dictionary::null
        ) const
        {
            write(name, *this, streamOpt, options);
        }

        //- Write to file with given format type.
        //  If the format type is "", uses the file extension.
        virtual void write
        (
            const fileName& name,
            const word& fileType,
            IOstreamOption streamOpt = IOstreamOption(),
            const dictionary& options = dictionary::null
        ) const
        {
            write(name, fileType, *this, streamOpt, options);
        }

        //- Write to database
        virtual void write
        (
            const Time& t,
            const word& surfName = word::null
        ) const;
};


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

} // End namespace Foam

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

#ifdef NoRepository
    #include "MeshedSurfaceProxy.C"
#endif

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

#endif

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