domainDecompositionWrite.C

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/*---------------------------------------------------------------------------*\
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  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
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    \\  /    A nd           | www.openfoam.com
     \\/     M anipulation  |
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    Copyright (C) 2021-2023 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.
 
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    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.
 
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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;
}
 
 
// ************************************************************************* //