renumberMethod.C

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/*---------------------------------------------------------------------------*\
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  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
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-------------------------------------------------------------------------------
    Copyright (C) 2011-2015 OpenFOAM Foundation
    Copyright (C) 2019-2021 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/>.
 
InClass
    renumberMethod
 
\*---------------------------------------------------------------------------*/
 
#include "renumberMethod.H"
#include "decompositionMethod.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
    defineTypeNameAndDebug(renumberMethod, 0);
    defineRunTimeSelectionTable(renumberMethod, dictionary);
}
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
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));
}
 
 
Foam::labelList Foam::renumberMethod::renumber
(
    const polyMesh& mesh,
    const pointField& points
) const
{
    CompactListList<label> cellCells;
    decompositionMethod::calcCellCells
    (
        mesh,
        identity(mesh.nCells()),
        mesh.nCells(),
        false,                      // local only
        cellCells
    );
 
    // Renumber based on agglomerated points
    return renumber(cellCells(), 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;
    decompositionMethod::calcCellCells
    (
        mesh,
        fineToCoarse,
        coarsePoints.size(),
        false,                      // local only
        coarseCellCells
    );
 
    // Renumber based on agglomerated points
    labelList coarseDistribution
    (
        renumber
        (
            coarseCellCells(),
            coarsePoints
        )
    );
 
    // Rework back into renumbering for original mesh_
    labelList fineDistribution(fineToCoarse.size());
 
    forAll(fineDistribution, i)
    {
        fineDistribution[i] = coarseDistribution[fineToCoarse[i]];
    }
 
    return fineDistribution;
}
 
 
// ************************************************************************* //