vtkCloudTemplates.C

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    Copyright (C) 2018-2021 OpenCFD Ltd.
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License
    This file is part of OpenFOAM.
 
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    for more details.
 
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#include "IOField.H"
 
// * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
 
template<class Type>
Foam::wordList Foam::functionObjects::vtkCloud::writeFields
(
    autoPtr<vtk::formatter>& format,
    const objectRegistry& obrTmp,
    const label nTotParcels
) const
{
    const direction nCmpt(pTraits<Type>::nComponents);
 
    static_assert
    (
        (
            std::is_same<label, typename pTraits<Type>::cmptType>::value
         || std::is_floating_point<typename pTraits<Type>::cmptType>::value
        ),
        "Label and Floating-point vector space only"
    );
 
    // Other integral types (eg, bool etc) would need cast/convert to label.
    // Similarly for labelVector etc.
 
 
    // Fields are not always on all processors (eg, multi-component parcels).
    // Thus need to resolve names between all processors.
 
    wordList fieldNames(obrTmp.names<IOField<Type>>());
    Pstream::combineGather(fieldNames, ListOps::uniqueEqOp<word>());
    Pstream::combineScatter(fieldNames);
 
    // Consistent order on all processors
    Foam::sort(fieldNames);
 
    for (const word& fieldName : fieldNames)
    {
        const List<Type>* fldPtr = obrTmp.findObject<IOField<Type>>(fieldName);
        const List<Type>& values = (fldPtr ? *fldPtr : List<Type>());
 
        if (Pstream::master())
        {
            if (std::is_same<label, typename pTraits<Type>::cmptType>::value)
            {
                const uint64_t payLoad =
                    vtk::sizeofData<label, nCmpt>(nTotParcels);
 
                format().beginDataArray<label, nCmpt>(fieldName);
                format().writeSize(payLoad);
            }
            else
            {
                const uint64_t payLoad =
                    vtk::sizeofData<float, nCmpt>(nTotParcels);
 
                format().beginDataArray<float, nCmpt>(fieldName);
                format().writeSize(payLoad);
            }
        }
 
        if (applyFilter_)
        {
            vtk::writeListParallel(format.ref(), values, parcelAddr_);
        }
        else
        {
            vtk::writeListParallel(format.ref(), values);
        }
 
        if (Pstream::master())
        {
            // Non-legacy
            format().flush();
            format().endDataArray();
        }
    }
 
    return fieldNames;
}
 
 
// ************************************************************************* //