distanceSurfaceTemplates.C

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
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    \\  /    A nd           | Copyright (C) 1991-2010 OpenCFD Ltd.
     \\/     M anipulation  |
-------------------------------------------------------------------------------
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.

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    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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\*---------------------------------------------------------------------------*/

#include "distanceSurface.H"
#include <sampling/isoSurface.H>
#include <finiteVolume/volFieldsFwd.H>
#include <OpenFOAM/pointFields.H>
#include <finiteVolume/volPointInterpolation.H>

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

template <class Type>
Foam::tmp<Foam::Field<Type> >
Foam::distanceSurface::sampleField
(
    const GeometricField<Type, fvPatchField, volMesh>& vField
) const
{
    return tmp<Field<Type> >(new Field<Type>(vField, surface().meshCells()));
}


template <class Type>
Foam::tmp<Foam::Field<Type> >
Foam::distanceSurface::interpolateField
(
    const interpolation<Type>& interpolator
) const
{
    const fvMesh& fvm = static_cast<const fvMesh&>(mesh());

    // Get fields to sample. Assume volPointInterpolation!
    const GeometricField<Type, fvPatchField, volMesh>& volFld =
        interpolator.psi();

    tmp<GeometricField<Type, pointPatchField, pointMesh> > pointFld
    (
        volPointInterpolation::New(fvm).interpolate(volFld)
    );

    // Sample.
    return surface().interpolate(volFld, pointFld());
}


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