truncatedConeToCell.C

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#include "truncatedConeToCell.H"
#include "polyMesh.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
    defineTypeNameAndDebug(truncatedConeToCell, 0);
    addToRunTimeSelectionTable(topoSetSource, truncatedConeToCell, word);
}
 
 
// * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
 
void Foam::truncatedConeToCell::combine(topoSet& set, const bool add) const
{
    const vector axis = point2_ - point1_;
    const scalar magAxisSquared = magSqr(axis);
 
    const pointField& ctrs = mesh_.cellCentres();
 
    forAll(ctrs, celli)
    {
        const vector d = ctrs[celli] - point1_;
        const scalar magD = d & axis;
 
        if ((magD > 0) && (magD < magAxisSquared))
        {
            const scalar d2 = magSqr(d) - sqr(magD)/magAxisSquared;
            const scalar radiusAtCell =
                radius1_ + (radius2_ - radius1_)*magD/(axis&axis);
 
            if (d2 <= sqr(radiusAtCell))
            {
                addOrDelete(set, celli, add);
            }
        }
    }
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::truncatedConeToCell::truncatedConeToCell
(
    const polyMesh& mesh,
    const vector& point1,
    const vector& point2,
    const scalar radius1,
    const scalar radius2
)
:
    topoSetSource(mesh),
    point1_(point1),
    point2_(point2),
    radius1_(radius1),
    radius2_(radius2)
{}
 
 
Foam::truncatedConeToCell::truncatedConeToCell
(
    const polyMesh& mesh,
    const dictionary& dict
)
:
    topoSetSource(mesh),
    point1_(dict.lookup<point>("point1", dimLength)),
    point2_(dict.lookup<point>("point2", dimLength)),
    radius1_(dict.lookup<scalar>("radius1", dimLength)),
    radius2_(dict.lookup<scalar>("radius2", dimLength))
{}
 
 
// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 
Foam::truncatedConeToCell::~truncatedConeToCell()
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
void Foam::truncatedConeToCell::applyToSet
(
    const topoSetSource::setAction action,
    topoSet& set
) const
{
    if ((action == topoSetSource::NEW) || (action == topoSetSource::ADD))
    {
        Info<< "    Adding cells with centre within cone, with point1 = "
            << point1_
            << ", point2 = " << point2_
            << " and radii = " << radius1_ << " to " << radius2_ << endl;
 
        combine(set, true);
    }
    else if (action == topoSetSource::DELETE)
    {
        Info<< "    Removing cells with centre within cone, with point1 = "
            << point1_
            << ", point2 = " << point2_
            << " and radii = " << radius1_ << " to " << radius2_ << endl;
 
        combine(set, false);
    }
}
 
 
// ************************************************************************* //