ensightWriteUpdate.C

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
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    Copyright (C) 2018-2022 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
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

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    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.

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#include "ensightWrite.H"
#include "dictionary.H"
#include "cellBitSet.H"

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

bool Foam::functionObjects::ensightWrite::updateSubset
(
    fvMeshSubset& subsetter
) const
{
    if (selection_.empty())
    {
        return false;
    }

    bitSet selectedCells
    (
        cellBitSet::select(subsetter.baseMesh(), selection_)
    );

    subsetter.reset(selectedCells);

    return true;
}


bool Foam::functionObjects::ensightWrite::update()
{
    if (meshState_ == polyMesh::UNCHANGED)
    {
        return false;
    }

    // Even if selection doesn't nominally change, a new subMesh is built.
    // Must update the reference for ensightMesh
    if (meshSubset_.hasSubMesh())
    {
        ensMesh_.clear();
        meshSubset_.clear();
    }
    // Probably not needed...

    updateSubset(meshSubset_);

    if (!ensMesh_)
    {
        ensMesh_.reset(new ensightMesh(meshSubset_.mesh(), writeOpts_));
    }
    else if (ensMesh_->needsUpdate())
    {
        ensMesh_->correct();
    }

    meshState_ = polyMesh::UNCHANGED;
    return true;
}


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

bool Foam::functionObjects::ensightWrite::readSelection(const dictionary& dict)
{
    // Ensure consistency
    ensMesh_.clear();

    meshSubset_.clear();
    meshState_ = polyMesh::TOPO_CHANGE;

    selectFields_.clear();
    dict.readEntry("fields", selectFields_);
    selectFields_.uniq();

    blockFields_.clear();
    dict.readIfPresent("excludeFields", blockFields_);
    blockFields_.uniq();

    // Actions to define selection
    selection_ = dict.subOrEmptyDict("selection");

    return true;
}


void Foam::functionObjects::ensightWrite::updateMesh(const mapPolyMesh&)
{
    meshState_ = polyMesh::TOPO_CHANGE;
}


void Foam::functionObjects::ensightWrite::movePoints(const polyMesh&)
{
    // Only move to worse states
    if (meshState_ == polyMesh::UNCHANGED)
    {
        meshState_ = polyMesh::POINTS_MOVED;
    }
}


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