renumberMethod.C

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    Copyright (C) 2019-2023 OpenCFD Ltd.
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License
    This file is part of OpenFOAM.

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#include "renumberMethod.H"
#include "globalMeshData.H"

// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //

namespace Foam
{
    defineTypeNameAndDebug(renumberMethod, 0);
    defineRunTimeSelectionTable(renumberMethod, dictionary);
}

// * * * * * * * * * * * * * * * * Selectors * * * * * * * * * * * * * * * * //

Foam::autoPtr<Foam::renumberMethod> Foam::renumberMethod::New
(
    const dictionary& dict
)
{
    const word methodType(dict.get<word>("method"));

    //Info<< "Selecting renumberMethod " << methodType << endl;

    auto* ctorPtr = dictionaryConstructorTable(methodType);

    if (!ctorPtr)
    {
        FatalIOErrorInLookup
        (
            dict,
            "renumberMethod",
            methodType,
            *dictionaryConstructorTablePtr_
        ) << exit(FatalIOError);
    }

    return autoPtr<renumberMethod>(ctorPtr(dict));
}


// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //

Foam::labelList Foam::renumberMethod::renumber
(
    const polyMesh& mesh,
    const pointField& points
) const
{
    CompactListList<label> cellCells;
    globalMeshData::calcCellCells
    (
        mesh,
        identity(mesh.nCells()),
        mesh.nCells(),
        false,                      // local only
        cellCells
    );

    return renumber(cellCells, points);
}


Foam::labelList Foam::renumberMethod::renumber
(
    const CompactListList<label>& cellCells,
    const pointField& points
) const
{
    return renumber(cellCells.unpack(), points);
}


Foam::labelList Foam::renumberMethod::renumber
(
    const labelList& cellCells,
    const labelList& offsets,
    const pointField& cc
) const
{
    NotImplemented;
    return labelList();
}


Foam::labelList Foam::renumberMethod::renumber
(
    const polyMesh& mesh,
    const labelList& fineToCoarse,
    const pointField& coarsePoints
) const
{
    CompactListList<label> coarseCellCells;
    globalMeshData::calcCellCells
    (
        mesh,
        fineToCoarse,
        coarsePoints.size(),
        false,                      // local only
        coarseCellCells
    );

    // Renumber based on agglomerated points
    labelList coarseDistribution
    (
        renumber(coarseCellCells, coarsePoints)
    );

    // From coarse back to fine for original mesh
    return labelList(coarseDistribution, fineToCoarse);
}


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