particleTracksSamplerTemplates.C

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/*---------------------------------------------------------------------------*\
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    Copyright (C) 2022 OpenCFD Ltd.
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.
 
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#include "objectRegistry.H"
#include "ListOps.H"
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
template<class Type>
void Foam::particleTracksSampler::createTrackField
(
    const UList<Type>& values,
    List<DynamicList<Type>>& trackValues
) const
{
    List<Type> allValues(cloudGather_.gather(values));
 
    const label nTracks = trackValues.size();
 
    forAll(allValues, i)
    {
        const label globalId =
            origParcelAddr_.toGlobal(origProcIds_[i], origParcelIds_[i]);
 
        if (globalId % stride_ == 0)
        {
            const label trackId = globalId/stride_;
 
            if
            (
                trackId < nTracks
             && trackValues[trackId].size() < maxPositions_
            )
            {
                trackValues[trackId].append(allValues[i]);
            }
        }
    }
}
 
 
template<class Type>
Foam::label Foam::particleTracksSampler::setTrackFields
(
    const objectRegistry& obr,
    HashTable<List<DynamicList<Type>>>& fieldTable
) const
{
    // First time - obtain field names and populate storage locations
    if (fieldTable.empty())
    {
        wordList fieldNames = obr.names<IOField<Type>>();
 
        if (Pstream::parRun())
        {
            Pstream::combineGather(fieldNames, ListOps::uniqueEqOp<word>());
            Pstream::broadcast(fieldNames);
        }
 
        for (const word& fieldName : fieldNames)
        {
            fieldTable(fieldName).resize(nTracks());
        }
    }
 
    // Process in parallel-consistent order
    for (const word& fieldName : fieldTable.sortedToc())
    {
        auto& output = fieldTable[fieldName];
 
        const auto* ptr = obr.cfindObject<IOField<Type>>(fieldName);
 
        this->createTrackField
        (
            ptr ? static_cast<const UList<Type>&>(*ptr) : UList<Type>::null(),
            output
        );
    }
 
    return fieldTable.size();
}
 
 
// ************************************************************************* //