reference.C

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | www.openfoam.com
     \\/     M anipulation  |
-------------------------------------------------------------------------------
    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
    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 "reference.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
namespace functionObjects
{
    defineTypeNameAndDebug(reference, 0);
 
    addToRunTimeSelectionTable
    (
        functionObject,
        reference,
        dictionary
    );
}
}
 
 
// * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
 
bool Foam::functionObjects::reference::calc()
{
    Log << type() << " " << name() << " output:" << nl;
 
    bool processed = calcType<scalar>();
    processed = processed || calcType<vector>();
    processed = processed || calcType<sphericalTensor>();
    processed = processed || calcType<symmTensor>();
    processed = processed || calcType<tensor>();
 
    Log << endl;
 
 
    return returnReduce(processed, orOp<bool>());
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::functionObjects::reference::reference
(
    const word& name,
    const Time& runTime,
    const dictionary& dict
)
:
    fieldExpression(name, runTime, dict),
    localDict_(dict),
    position_(Zero),
    positionIsSet_(false),
    celli_(-1),
    interpolationScheme_("cell"),
    scale_(1)
{
    read(dict);
 
    // Forcing default result name to include the name of the field
    setResultName(typeName, word::null);
}
 
 
// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 
Foam::functionObjects::reference::~reference()
{}
 
 
bool Foam::functionObjects::reference::read(const dictionary& dict)
{
    if (fieldExpression::read(dict))
    {
        localDict_ = dict;
 
        Log << type() << " " << name() << nl
            << "    field: " << fieldName_ << nl;
 
        if (dict.readIfPresent("scale", scale_))
        {
            Log << "    scale: " << scale_ << nl;
        }
 
        if (dict.readIfPresent("position", position_))
        {
            Log << "    sample position: " << position_ << nl;
 
            positionIsSet_ = true;
 
            celli_ = mesh_.findCell(position_);
 
            label celli = returnReduce(celli_, maxOp<label>());
 
            if (celli == -1)
            {
                FatalIOErrorInFunction(dict)
                    << "Sample cell could not be found at position "
                    << position_ << exit(FatalIOError);
            }
 
            interpolationScheme_ =
                dict.lookupOrDefault<word>("interpolationScheme", "cell");
        }
 
        Log << endl;
 
        return true;
    }
 
    return false;
}
 
 
// ************************************************************************* //