readFields.C

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/*---------------------------------------------------------------------------*\
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  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
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    \\  /    A nd           | Copyright (C) 2011-2018 OpenFOAM Foundation
     \\/     M anipulation  |
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.
 
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    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
    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 "readFields.H"
#include "IOobjectList.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
// * * * * * * * * * * * * * * * Global Functions  * * * * * * * * * * * * * //
 
template<class GeoField>
void readFields
(
    const vtkMesh& vMesh,
    const typename GeoField::Mesh& mesh,
    const IOobjectList& objects,
    const HashSet<word>& selectedFields,
    PtrList<const GeoField>& fields
)
{
    // Search list of objects for volScalarFields
    IOobjectList fieldObjects(objects.lookupClass(GeoField::typeName));
 
    // Construct the vol scalar fields
    fields.setSize(fieldObjects.size());
    label nFields = 0;
 
    forAllIter(IOobjectList, fieldObjects, iter)
    {
        if (selectedFields.empty() || selectedFields.found(iter()->name()))
        {
            fields.set
            (
                nFields,
                vMesh.interpolate
                (
                    GeoField
                    (
                        *iter(),
                        mesh
                    )
                ).ptr()
            );
            nFields++;
        }
    }
 
    fields.setSize(nFields);
}
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// ************************************************************************* //