domainDecompositionWrite.C

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/*---------------------------------------------------------------------------*\
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    Copyright (C) 2021-2023 OpenCFD Ltd.
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License
    This file is part of OpenFOAM.

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    under the terms of the GNU General Public License as published by
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#include "domainDecomposition.H"
#include "foamVtkInternalMeshWriter.H"
#include "volFields.H"

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

void Foam::domainDecomposition::writeVolField
(
    const word& timeName
) const
{
    const labelList& procIds = this->cellToProc();

    // Write decomposition as volScalarField for visualization
    volScalarField cellDist
    (
        IOobject
        (
            "cellDist",
            timeName,
            this->mesh(),
            IOobject::NO_READ,
            IOobject::NO_WRITE,
            IOobject::NO_REGISTER
        ),
        this->mesh(),
        dimensionedScalar(word::null, dimless, -1),
        fvPatchFieldBase::zeroGradientType()
    );

    forAll(procIds, celli)
    {
        cellDist[celli] = procIds[celli];
    }

    cellDist.correctBoundaryConditions();
    cellDist.write();

    Info<< nl << "Wrote decomposition to "
        << cellDist.objectRelPath()
        << " (volScalarField) for visualization."
        << endl;
}


void Foam::domainDecomposition::writeVTK(const fileName& file) const
{
    const vtk::vtuCells cells(this->mesh());

    // not parallel
    vtk::internalMeshWriter writer(this->mesh(), cells, file, false);

    writer.writeGeometry();
    writer.beginCellData();
    writer.writeCellData("procID", cellToProc());

    Info<< "Wrote decomposition to "
        << this->mesh().time().relativePath(writer.output())
        << " for visualization."
        << endl;
}


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