faceMapper.H

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/*---------------------------------------------------------------------------*\
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    Copyright (C) 2011-2013 OpenFOAM Foundation
    Copyright (C) 2024 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::faceMapper
 
Description
    This object provides mapping and fill-in information for face data
    between the two meshes after the topological change.  It is
    constructed from mapPolyMesh.
 
SourceFiles
    faceMapper.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef Foam_faceMapper_H
#define Foam_faceMapper_H
 
#include "morphFieldMapper.H"
#include "HashSet.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
// Forward Declarations
class mapPolyMesh;
 
/*---------------------------------------------------------------------------*\
                           Class faceMapper Declaration
\*---------------------------------------------------------------------------*/
 
class faceMapper
:
    public morphFieldMapper
{
    // Private Data
 
        //- Reference to mapPolyMesh
        const mapPolyMesh& mpm_;
 
        //- The size of the mapper = polyMesh::nFaces()
        const label mapperLen_;
 
        //- Number of inserted (unmapped) faces
        label nInsertedObjects_;
 
        //- Is the mapping direct
        bool direct_;
 
 
    // Demand-Driven Data
 
        //- Direct addressing (only one for of addressing is used)
        mutable std::unique_ptr<labelList> directAddrPtr_;
 
        //- Interpolated addressing (only one for of addressing is used)
        mutable std::unique_ptr<labelListList> interpAddrPtr_;
 
        //- Interpolation weights
        mutable std::unique_ptr<scalarListList> weightsPtr_;
 
        //- Inserted faces
        mutable std::unique_ptr<labelList> insertedObjectsPtr_;
 
 
    // Private Member Functions
 
        //- Calculate addressing for mapping with inserted faces
        void calcAddressing() const;
 
public:
 
    // Generated Methods
 
        //- No copy construct
        faceMapper(const faceMapper&) = delete;
 
        //- No copy assignment
        void operator=(const faceMapper&) = delete;
 
 
    // Constructors
 
        //- Construct from mapPolyMesh
        explicit faceMapper(const mapPolyMesh& mpm);
 
 
    //- Destructor
    virtual ~faceMapper();
 
 
    // Member Functions
 
        //- The mapper size
        virtual label size() const;
 
        //- Return size of field before mapping
        virtual label sizeBeforeMapping() const;
 
        //- Return number of internal faces before mapping
        virtual label internalSizeBeforeMapping() const;
 
        //- Is the mapping direct
        virtual bool direct() const
        {
            return direct_;
        }
 
        virtual bool hasUnmapped() const
        {
            return insertedObjects();
        }
 
        //- Return direct addressing
        virtual const labelUList& directAddressing() const;
 
        //- Return interpolated addressing
        virtual const labelListList& addressing() const;
 
        //- Return interpolaion weights
        virtual const scalarListList& weights() const;
 
        //- Return flux flip map
        virtual const labelHashSet& flipFaceFlux() const;
 
        //- Return number of old internalFaces
        virtual label nOldInternalFaces() const;
 
        //- Return old patch starts
        virtual const labelList& oldPatchStarts() const;
 
        //- Return old patch sizes
        virtual const labelList& oldPatchSizes() const;
 
        //- Are there any inserted faces
        virtual bool insertedObjects() const
        {
            return bool(nInsertedObjects_);
        }
 
        //- Return list of inserted faces
        virtual const labelList& insertedObjectLabels() const;
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //