astGetCell

Identify the next cell in a normalised Moc

Description:

This function returns the order and " npix" value for the cell at a specified index in the normalised Moc. See the MOC recommendation for more information about " npix" values and MOC normalisation.

Synopsis

void astGetCell( AstMoc this, int icell, int order, int64_t npix )

Parameters:

this
Pointer to the Moc to be modified.
icell
The index of the cell for which information is required. The first cell has index zero. An error will be reported if the supplied value is greater than or equal to the value of the MocLength attribute.
order
Returned holding the HEALPix order of the cell at the requested index.
npix
Returned holding the " npix" value of the cell at the requested index.