sphereToCell.C

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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
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    for more details.
 
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#include "sphereToCell.H"
#include "polyMesh.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
    defineTypeNameAndDebug(sphereToCell, 0);
    addToRunTimeSelectionTable(topoSetSource, sphereToCell, word);
}
 
 
// * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
 
void Foam::sphereToCell::combine(topoSet& set, const bool add) const
{
    const pointField& ctrs = mesh_.cellCentres();
 
    const scalar radSquared = radius_*radius_;
 
    forAll(ctrs, celli)
    {
        scalar offset = magSqr(centre_ - ctrs[celli]);
        if (offset <= radSquared)
        {
            addOrDelete(set, celli, add);
        }
    }
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::sphereToCell::sphereToCell
(
    const polyMesh& mesh,
    const vector& centre,
    const scalar radius
)
:
    topoSetSource(mesh),
    centre_(centre),
    radius_(radius)
{}
 
 
Foam::sphereToCell::sphereToCell
(
    const polyMesh& mesh,
    const dictionary& dict
)
:
    topoSetSource(mesh),
    centre_(dict.lookup("centre")),
    radius_(dict.lookup<scalar>("radius"))
{}
 
 
// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 
Foam::sphereToCell::~sphereToCell()
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
void Foam::sphereToCell::applyToSet
(
    const topoSetSource::setAction action,
    topoSet& set
) const
{
    if ((action == topoSetSource::NEW) || (action == topoSetSource::ADD))
    {
        Info<< "    Adding cells with centre within sphere, with centre = "
            << centre_ << " and radius = " << radius_ << endl;
 
        combine(set, true);
    }
    else if (action == topoSetSource::DELETE)
    {
        Info<< "    Removing cells with centre within sphere, with centre = "
            << centre_ << " and radius = " << radius_ << endl;
 
        combine(set, false);
    }
}
 
 
// ************************************************************************* //