surfMesh.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::surfMesh
 
Description
    A surface mesh consisting of general polygon faces.
 
SourceFiles
    surfMesh.C
    surfMeshClear.C
    surfMeshIO.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef surfMesh_H
#define surfMesh_H
 
#include "surfaceRegistry.H"
#include "MeshedSurfaceIOAllocator.H"
#include "PrimitivePatch.H"
#include "SubField.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
template<class Face> class MeshedSurface;
 
/*---------------------------------------------------------------------------*\
                          Class surfMesh Declaration
\*---------------------------------------------------------------------------*/
 
class surfMesh
:
    public  surfaceRegistry,
    private MeshedSurfaceIOAllocator,
    public  PrimitivePatch<face, ::Foam::UList, ::Foam::SubField<point>, point>
{
    // friends
    template<class Face> friend class MeshedSurface;
    template<class Face> friend class UnsortedMeshedSurface;
 
public:
 
    // Public data types
 
        //- Enumeration defining the state of the mesh after a read update.
        //  Used for post-processing applications, where the mesh
        //  needs to update based on the files written in time directores
        enum readUpdateState
        {
            UNCHANGED,
            POINTS_MOVED,
            TOPO_CHANGE,
            TOPO_PATCH_CHANGE
        };
 
 
private:
 
    // Private typedefs
 
        typedef MeshedSurfaceIOAllocator Allocator;
 
        typedef PrimitivePatch
        <
            face,
            ::Foam::UList,
            ::Foam::SubField<point>,
            point
        >
        MeshReference;
 
 
    // Private Member Functions
 
        //- Disallow construct as copy
        surfMesh(const surfMesh&);
 
        //- Disallow default bitwise assignment
        void operator=(const surfMesh&);
 
 
protected:
 
    // Protected Member Functions
 
        //- Non-const access to global points
        pointField& storedPoints()
        {
            return Allocator::storedIOPoints();
        }
 
        //- Non-const access to the faces
        faceList& storedFaces()
        {
            return Allocator::storedIOFaces();
        }
 
        //- Non-const access to the zones
        surfZoneList& storedZones()
        {
            return Allocator::storedIOZones();
        }
 
        //- Update references to storedFaces
        virtual void updateFacesRef();
 
        //- Update references to storedPoints
        virtual void updatePointsRef();
 
        //- Update references to storedPoints/storedFaces
        virtual void updateRefs();
 
 
public:
 
    // Public typedefs
 
    typedef surfMesh Mesh;
 
    //- Placeholder only, but do not remove - it is needed for GeoMesh
    typedef bool BoundaryMesh;
 
 
    //- Runtime type information
    TypeName("surfMesh");
 
    //- Return the mesh sub-directory name (normally "surfMesh")
    static word meshSubDir;
 
    // Constructors
 
        //- Construct from IOobject, with alternative surface name
        explicit surfMesh(const IOobject&, const word& surfName="");
 
        //- Construct by transferring components (points, faces) without zones.
        //  surfZones are added using addZones() member function
        surfMesh
        (
            const IOobject&,
            const Xfer<pointField>&,
            const Xfer<faceList>&,
            const word& surfName=""
        );
 
        //- Construct copy/move from MeshedSurface
        surfMesh
        (
            const IOobject&,
            const Xfer<MeshedSurface<face> >& surf,
            const word& surfName=""
        );
 
 
    //- Destructor
    virtual ~surfMesh();
 
 
    // Member Functions
 
        // Database
 
            //- Return the local mesh directory (dbDir()/meshSubDir)
            fileName meshDir() const;
 
            //- Return the current instance directory for points
            //  Used in the consruction of geometric mesh data dependent
            //  on points
            const fileName& pointsInstance() const;
 
            //- Return the current instance directory for faces
            const fileName& facesInstance() const;
 
            //- Set the instance for mesh files
            void setInstance(const fileName&);
 
 
        // Access
 
            //- Return the number of raw points
            virtual label nPoints() const;
 
            //- Return the number of raw faces
            virtual label nFaces() const;
 
            //- Return number of faces
            virtual label size() const
            {
                return nFaces();
            }
 
 
            //- Return points
            virtual const pointField& points() const;
 
            //- Return faces
            virtual const faceList& faces() const;
 
            //- Return surface zones
            virtual const surfZoneList& surfZones() const
            {
                return Allocator::storedIOZones();
            }
 
            //- Check the surface zone definitions
            void checkZones();
 
            //- Add surface zones
            void addZones
            (
                const List<surfZone>&,
                const bool validate = true
            );
 
            //- Update the mesh based on the mesh files saved in
            //  time directories
            virtual readUpdateState readUpdate();
 
            //- Update the mesh corresponding to given map
 
            //- Remove surface zones
            void removeZones();
 
            //- Reset mesh primitive data.
            void resetPrimitives
            (
                const Xfer<pointField>& points,
                const Xfer<faceList>& faces,
                const Xfer<surfZoneList>& zones,
                const bool validate = true
            );
 
 
            //- Transfer the contents of the argument and annul the argument
            void transfer(MeshedSurface<face>&);
 
 
        //- Avoid masking the normal objectRegistry write
        using surfaceRegistry::write;
 
        //- Write to file
        static void write(const fileName&, const surfMesh&);
 
        //- Write to file
        void write(const fileName&);
 
        //  Storage management
 
            //- Transfer contents to the Xfer container as a MeshedSurface
            Xfer<MeshedSurface<face> > xfer();
 
            //- Clear geometry
            void clearGeom();
 
            //- Clear addressing
            void clearAddressing();
 
            //- Clear all geometry and addressing unnecessary for CFD
            void clearOut();
 
            //- Clear primitive data (points, faces and cells)
            void clearPrimitives();
 
            //- Remove all files from mesh instance
            void removeFiles(const fileName& instanceDir) const;
 
            //- Remove all files from mesh instance()
            void removeFiles() const;
};
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //