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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2012-2026 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/>.
\*---------------------------------------------------------------------------*/
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
template<class GeoField>
Foam::tmp<GeoField> Foam::uniformInterpolate
(
const HashPtrTable<GeoField, label, Hash<label>>& fields,
const labelList& indices,
const scalarField& weights
)
{
const GeoField& field0 = *(*fields.begin());
// Interpolate
tmp<GeoField> tfld
(
GeoField::New
(
word("uniformInterpolate(", field0.name(), ')'),
weights[0]*(*fields[indices[0]])
)
);
GeoField& fld = tfld();
for (label i = 1; i < indices.size(); ++i)
{
fld += weights[i]*(*fields[indices[i]]);
}
return tfld;
}
template<class GeoField>
Foam::tmp<GeoField> Foam::uniformInterpolate
(
const IOobject& fieldIO,
const word& fieldName,
const wordList& times,
const scalarField& weights,
const objectRegistry& fieldsCache
)
{
// Look up the first field
const objectRegistry& time0Fields =
fieldsCache.lookupObject<const objectRegistry>(times[0]);
const GeoField& field0 =
time0Fields.lookupObject<const GeoField>(fieldName);
// Interpolate
tmp<GeoField> tfld(GeoField::New(fieldIO.name(), weights[0]*field0));
GeoField& fld = tfld.ref();
for (label i = 1; i < times.size(); ++i)
{
const objectRegistry& timeIFields =
fieldsCache.lookupObject<const objectRegistry>(times[i]);
const GeoField& fieldi =
timeIFields.lookupObject<const GeoField>(fieldName);
fld += weights[i]*fieldi;
}
return tfld;
}
template<class GeoField>
Foam::tmp<GeoField> Foam::uniformInterpolate
(
const IOobject& fieldIO,
const word& fieldName,
const wordList& times,
const scalarField& weights,
const word& registryName
)
{
return uniformInterpolate<GeoField>
(
fieldIO,
fieldName,
times,
weights,
fieldIO.db().subRegistry(registryName, true)
);
}
// ************************************************************************* //
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