convertAreaFields.H

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/*---------------------------------------------------------------------------*\
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  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | www.openfoam.com
     \\/     M anipulation  |
-------------------------------------------------------------------------------
    Copyright (C) 2018-2022 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/>.
 
Description
    Code chunk for converting finite-area - included by foamToVTK.
 
    Typedef vtkWriterType_areaMesh is declared in writeAreaFields.H
 
\*---------------------------------------------------------------------------*/
 
//
// Finite-area mesh and fields - need not exist
//
 
// No subsetting!
if (doFiniteArea)
{
    using reportFields = foamToVtkReportFields;
 
    autoPtr<faMesh> faMeshPtr;
 
    const label nAreaFields =
        objects.count(stringListOps::foundOp<word>(fieldTypes::area));
 
    if (nAreaFields || withMeshIds)
    {
        faMeshPtr = faMesh::TryNew(meshProxy.baseMesh());
    }
 
    if (faMeshPtr && (nAreaFields || withMeshIds))
    {
        const faMesh& areaMesh = faMeshPtr();
 
        reportFields::area(Info, objects);
 
        const auto& pp = faMeshPtr->patch();
 
        vtkWriterType_areaMesh writer
        (
            pp,
            writeOpts,
            (
                outputDir/regionDir/"finite-area"
              / "finiteArea" + timeDesc
            ),
            Pstream::parRun()
        );
        Info<< "    Area      : "
            << args.relativePath(writer.output()) << nl;
 
        writer.beginFile(areaMesh.name());
 
        writer.writeTimeValue(timeValue);
        writer.writeGeometry();
 
        // Optionally with (cellID, faceLabels, procID) fields
        writer.beginCellData
        (
            (withMeshIds ? 2 + (writer.parallel() ? 1 : 0) : 0)
          + nAreaFields
        );
 
        if (withMeshIds)
        {
            const globalIndex procAddr(areaMesh.nFaces());
 
            // Use global indexed values for the 'cell' ids
            writer.writeCellData("cellID", identity(procAddr.range()));
 
            // Use proc-local data for faceLabels
            // (confusing enough already without renumbering)
            writer.writeCellData("faceLabels", areaMesh.faceLabels());
 
            writer.writeProcIDs();  // parallel only
        }
 
        writeAllAreaFields
        (
            writer,
            areaMesh,
            objects,
            true // syncPar
        );
 
        fileName outputName(writer.output());
 
        writer.close();
 
        if (Pstream::master())
        {
            // Add to file-series and emit as JSON
 
            fileName seriesName(vtk::seriesWriter::base(outputName));
 
            vtk::seriesWriter& series = vtkSeries(seriesName);
 
            // First time?
            // Load from file, verify against filesystem,
            // prune time >= currentTime
            if (series.empty())
            {
                series.load(seriesName, true, timeValue);
            }
 
            series.append(timeValue, outputName);
            series.write(seriesName);
        }
    }
}
 
 
// ************************************************************************* //