manifoldCellsMeshObject.H

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/*---------------------------------------------------------------------------*\
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    Copyright (C) 2022 OpenCFD Ltd.
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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
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    You should have received a copy of the GNU General Public License
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Class
    Foam::manifoldCellsMeshObject
 
Description
    Provides cell-to-faces ('cells()') with duplicate faces removed.
 
    Useful for postprocessing.
 
SourceFiles
    manifoldCellsMeshObject.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef Foam_manifoldCellsMeshObject_H
#define Foam_manifoldCellsMeshObject_H
 
#include "MeshObject.H"
#include "polyMesh.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
/*---------------------------------------------------------------------------*\
                   Class manifoldCellsMeshObject Declaration
\*---------------------------------------------------------------------------*/
 
class manifoldCellsMeshObject
:
    public MeshObject<polyMesh, UpdateableMeshObject, manifoldCellsMeshObject>
{
    // Private Typedefs
 
        typedef MeshObject
        <
            polyMesh,
            UpdateableMeshObject,
            manifoldCellsMeshObject
        > MeshObject_type;
 
 
    // Private Data
 
        //- The adjusted cells list
        mutable refPtr<cellList> cellsPtr_;
 
        //- The number of globally corrected cells (-1 for uninitialized)
        mutable label nCorrected_;
 
 
    // Private Member Functions
 
        //- Calculate cellList with all duplicate faces removed.
        //- Is reference to input mesh if no duplicates
        static refPtr<cellList> filter
        (
            const polyMesh& mesh,
            label& nCellsCorrected
        );
 
        //- No copy construct
        manifoldCellsMeshObject(const manifoldCellsMeshObject&) = delete;
 
        //- No copy assignment
        void operator=(const manifoldCellsMeshObject&) = delete;
 
 
public:
 
    //- Declare name of the class, no debug
    ClassNameNoDebug("manifoldCellsMeshObject");
 
 
    // Constructors
 
        //- Construct from mesh
        explicit manifoldCellsMeshObject(const polyMesh& mesh);
 
 
    //- Destructor
    virtual ~manifoldCellsMeshObject() = default;
 
 
    // Member Functions
 
        //- Calculate cellList with all duplicate faces removed.
        //- Is reference to input mesh if no duplicates
        static refPtr<cellList> filter(const polyMesh& mesh);
 
        //- True if any manifold cells detected (globally)
        //- Triggers demand-driven filtering if required.
        bool manifold() const;
 
        //- Return the (optionally compacted) cell list
        //- Triggers demand-driven filtering if required.
        const cellList& cells() const;
 
        //- Mesh motion
        virtual bool movePoints()
        {
            return false;
        }
 
        //- Mesh changes
        virtual void updateMesh(const mapPolyMesh&);
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //