sampledIsoSurfaceTemplates.C

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/*---------------------------------------------------------------------------*\
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  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
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    Copyright (C) 2011-2016 OpenFOAM Foundation
    Copyright (C) 2018-2022 OpenCFD Ltd.
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.
 
    OpenFOAM is free software: you can redistribute it and/or modify it
    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.
 
    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.
 
    You should have received a copy of the GNU General Public License
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#include "sampledIsoSurface.H"
#include "volFieldsFwd.H"
#include "pointFields.H"
#include "volPointInterpolation.H"
 
// * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
 
template<class Type>
Foam::tmp<Foam::Field<Type>>
Foam::sampledIsoSurface::sampleOnFaces
(
    const interpolation<Type>& sampler
) const
{
    updateGeometry();  // Recreate geometry if time has changed
 
    return sampledSurface::sampleOnFaces
    (
        sampler,
        meshCells(),
        surface(),
        points()
    );
}
 
 
template<class Type>
Foam::tmp<Foam::Field<Type>>
Foam::sampledIsoSurface::sampleOnPoints
(
    const interpolation<Type>& interpolator
) const
{
    updateGeometry();  // Recreate geometry if time has changed
 
    if (isoSurfacePtr_)
    {
        return this->sampleOnIsoSurfacePoints(interpolator);
    }
 
    return sampledSurface::sampleOnPoints
    (
        interpolator,
        meshCells(),
        faces(),
        points()
    );
}
 
 
template<class Type>
Foam::tmp<Foam::Field<Type>>
Foam::sampledIsoSurface::sampleOnIsoSurfacePoints
(
    const interpolation<Type>& interpolator
) const
{
    if (!isoSurfacePtr_)
    {
        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;
 
    if (subMeshPtr_)
    {
        // Replace with subset
        tvolFld.reset(subMeshPtr_->interpolate(volFld));
    }
 
    // Interpolated point field
    tpointFld.reset
    (
        volPointInterpolation::New(tvolFld().mesh()).interpolate(tvolFld())
    );
 
    if (average_)
    {
        tvolFld.reset(pointAverage(tpointFld()));
    }
 
    return isoSurfacePtr_->interpolate(tvolFld(), tpointFld());
}
 
 
// ************************************************************************* //