cylinder.C

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#include "cylinder.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
    namespace zoneGenerators
    {
        defineTypeNameAndDebug(cylinder, 0);
        addToRunTimeSelectionTable(zoneGenerator, cylinder, dictionary);
    }
}
 
 
// * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
 
inline bool Foam::zoneGenerators::cylinder::contains(const point& p) const
{
    const vector d = p - point1_;
    const scalar magda = d & axis_;
 
    if ((magda > 0) && (magda < magAxis2_))
    {
        const scalar d2 = magSqr(d) - sqr(magda)/magAxis2_;
 
        if (d2 < rad2_)
        {
            return true;
        }
    }
 
    return false;
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::zoneGenerators::cylinder::cylinder
(
    const word& name,
    const polyMesh& mesh,
    const dictionary& dict
)
:
    volume(name, mesh, dict),
    point1_(dict.lookup<point>("point1", dimLength)),
    point2_(dict.lookup<point>("point2", dimLength)),
    radius_(dict.lookup<scalar>("radius", dimLength)),
    axis_(point2_ - point1_),
    rad2_(sqr(radius_)),
    magAxis2_(magSqr(axis_))
{}
 
 
// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 
Foam::zoneGenerators::cylinder::~cylinder()
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
Foam::zoneSet Foam::zoneGenerators::cylinder::generate() const
{
    return volume::generate(*this);
}
 
 
// ************************************************************************* //