containsPoints.C

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License
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#include "containsPoints.H"
#include "meshSearch.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
    namespace zoneGenerators
    {
        defineTypeNameAndDebug(containsPoints, 0);
        addToRunTimeSelectionTable
        (
            zoneGenerator,
            containsPoints,
            dictionary
        );
    }
}
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::zoneGenerators::containsPoints::containsPoints
(
    const word& name,
    const polyMesh& mesh,
    const dictionary& dict
)
:
    zoneGenerator(name, mesh, dict),
    points_(dict.lookup<List<point>>("points", dimLength))
{}
 
 
// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 
Foam::zoneGenerators::containsPoints::~containsPoints()
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
Foam::zoneSet Foam::zoneGenerators::containsPoints::generate() const
{
    const meshSearch& searchEngine = meshSearch::New(mesh_);
 
    labelList cellIndices(points_.size());
 
    label czi = 0;
 
    forAll(points_, i)
    {
        const label celli = searchEngine.findCell(points_[i]);
        if (celli >= 0)
        {
            cellIndices[czi++] = celli;
        }
 
        const label globalCelli = returnReduce(celli, maxOp<label>());
        if (globalCelli < 0)
        {
            WarningInFunction
                << "Unable to find cell that contains point " << points_[i]
                << endl;
        }
    }
 
    cellIndices.setSize(czi);
 
    return zoneSet
    (
        new cellZone
        (
            zoneName_,
            cellIndices,
            mesh_.cellZones(),
            moveUpdate_,
            true
        )
    );
}
 
 
// ************************************************************************* //