sampledDistanceSurfaceTemplates.C

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/*---------------------------------------------------------------------------*\
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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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#include "sampledDistanceSurface.H"
#include "volFieldsFwd.H"
#include "pointFields.H"
#include "volPointInterpolation.H"

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

template<class Type>
Foam::tmp<Foam::Field<Type>>
Foam::sampledDistanceSurface::sampleOnFaces
(
    const interpolation<Type>& sampler
) const
{
    return sampledSurface::sampleOnFaces
    (
        sampler,
        meshCells(),
        faces(),
        points()
    );
}


template<class Type>
Foam::tmp<Foam::Field<Type>>
Foam::sampledDistanceSurface::sampleOnPoints
(
    const interpolation<Type>& interpolator
) const
{
    if (this->hasIsoSurface())
    {
        return this->sampleOnIsoSurfacePoints(interpolator);
    }

    return sampledSurface::sampleOnPoints
    (
        interpolator,
        meshCells(),
        faces(),
        points()
    );
}


template<class Type>
Foam::tmp<Foam::Field<Type>>
Foam::sampledDistanceSurface::sampleOnIsoSurfacePoints
(
    const interpolation<Type>& interpolator
) const
{
    if (!this->hasIsoSurface())
    {
        FatalErrorInFunction
            << "cannot call without an iso-surface" << nl
            << exit(FatalError);
    }

    // Assume volPointInterpolation for the point field!
    const auto& volFld = interpolator.psi();

    tmp<VolumeField<Type>> tvolFld(volFld);
    tmp<PointField<Type>> tpointFld;

    // Interpolated point field
    tpointFld.reset
    (
        volPointInterpolation::New(tvolFld().mesh()).interpolate(tvolFld())
    );

    if (average_)
    {
        tvolFld.reset(pointAverage(tpointFld()));
    }

    return this->isoSurfaceInterpolate(tvolFld(), tpointFld());
}


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