MapVolFields.H

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    Copyright (C) 2023 OpenCFD Ltd.
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License
    This file is part of OpenFOAM.

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#ifndef MapVolFields_H
#define MapVolFields_H

#include "GeometricField.H"
#include "meshToMesh0.H"
#include "IOobjectList.H"

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

namespace Foam
{

template<class Type, class CombineOp>
void MapVolFields
(
    const IOobjectList& objects,
    const meshToMesh0& meshToMesh0Interp,
    const meshToMesh0::order& mapOrder,
    const CombineOp& cop
)
{
    typedef GeometricField<Type, fvPatchField, volMesh> fieldType;

    const fvMesh& meshSource = meshToMesh0Interp.fromMesh();
    const fvMesh& meshTarget = meshToMesh0Interp.toMesh();

    for (const IOobject& io : objects.csorted<fieldType>())
    {
        IOobject fieldTargetIOobject
        (
            io.name(),
            meshTarget.time().timeName(),
            meshTarget,
            IOobjectOption::MUST_READ,
            IOobjectOption::AUTO_WRITE
        );

        if (fieldTargetIOobject.typeHeaderOk<fieldType>(true))
        {
            Info<< "    interpolating " << io.name() << endl;

            // Read field fieldSource. Do not auto-load old-time fields
            fieldType fieldSource(io, meshSource, false);

            // Read fieldTarget. Do not auto-load old-time fields
            fieldType fieldTarget
            (
                fieldTargetIOobject,
                meshTarget,
                false
            );

            // Interpolate field
            meshToMesh0Interp.interpolate
            (
                fieldTarget,
                fieldSource,
                mapOrder,
                cop
            );

            // Write field
            fieldTarget.write();
        }
    }
}


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

} // End namespace Foam

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

#endif

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