readFields.H

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/*---------------------------------------------------------------------------*\
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-------------------------------------------------------------------------------
    Copyright (C) 2018 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
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    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/>.
 
InNamespace
    Foam
 
Description
    Read fields from disk for foamToEnsight
 
SourceFiles
    readFields.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef readFields_H
#define readFields_H
 
#include "instantList.H"
#include "IOobjectList.H"
#include "fvMesh.H"
#include "fvMeshSubsetProxy.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
//- Get the field and subset it, or return nullptr
template<class GeoField>
tmp<GeoField> getField(const IOobject* io, const fvMesh& mesh)
{
    if (io)
    {
        auto tfield = tmp<GeoField>::New(*io, mesh);
        return tfield;
    }
 
    return nullptr;
}
 
 
//- Get internal field and make it a zero-gradient volume field with subsetting
template<class GeoField>
tmp<GeoField>
getZeroGradField(const IOobject* io, const fvMesh& mesh)
{
    if (io)
    {
        auto tdimfield =
            tmp<typename GeoField::Internal>::New(*io, mesh);
 
        auto tfield = fvMeshSubsetProxy::zeroGradientField(tdimfield());
        tdimfield.clear();
 
        return tfield;
    }
 
    return nullptr;
}
 
 
//- Check if fields are good to use (available at all times)
//  ignore special fields (_0 fields),
//  ignore fields that are not available for all time-steps
label checkData
(
    const fvMesh& mesh,
    const instantList& timeDirs,
    wordList& objectNames
);
 
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //