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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2011-2026 OpenFOAM Foundation
\\/ 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.
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
along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
\*---------------------------------------------------------------------------*/
#include "sampledTriSurface.H"
#include "volFields.H"
// * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * //
template<class Type>
Foam::tmp<Foam::Field<Type>>
Foam::sampledSurfaces::triSurface::sampleField
(
const VolField<Type>& vField
) const
{
// One value per face
tmp<Field<Type>> tvalues(new Field<Type>(sampleElements_.size()));
Field<Type>& values = tvalues.ref();
if (sampleSource_ == cells || sampleSource_ == insideCells)
{
// Sample cells
forAll(sampleElements_, triI)
{
values[triI] = vField[sampleElements_[triI]];
}
}
else
{
// Sample boundary faces
const polyBoundaryMesh& pbm = mesh().boundary();
label nBnd = mesh().nFaces()-mesh().nInternalFaces();
// Create flat boundary field
Field<Type> bVals(nBnd, Zero);
forAll(vField.boundaryField(), patchi)
{
label bFacei = pbm[patchi].start() - mesh().nInternalFaces();
SubList<Type>
(
bVals,
vField.boundaryField()[patchi].size(),
bFacei
) = vField.boundaryField()[patchi];
}
// Sample in flat boundary field
forAll(sampleElements_, triI)
{
label facei = sampleElements_[triI];
values[triI] = bVals[facei-mesh().nInternalFaces()];
}
}
return tvalues;
}
template<class Type>
Foam::tmp<Foam::Field<Type>>
Foam::sampledSurfaces::triSurface::interpolateField
(
const interpolation<Type>& interpolator
) const
{
// One value per vertex
tmp<Field<Type>> tvalues(new Field<Type>(sampleElements_.size()));
Field<Type>& values = tvalues.ref();
if (sampleSource_ == cells || sampleSource_ == insideCells)
{
// Sample cells.
forAll(sampleElements_, pointi)
{
values[pointi] = interpolator.interpolate
(
samplePoints_[pointi],
sampleElements_[pointi]
);
}
}
else
{
// Sample boundary faces.
forAll(samplePoints_, pointi)
{
label facei = sampleElements_[pointi];
values[pointi] = interpolator.interpolate
(
samplePoints_[pointi],
mesh().faceOwner()[facei],
facei
);
}
}
return tvalues;
}
// ************************************************************************* //
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