Function healpixRingIndex( k, lon, lat )
- Description:
-
Gives the pixel index for a given sky position in the HEALPix
RING scheme.
- Parameters:
-
k
(integer)
- HEALPix order (0..29)
lon
(floating point)
- longitude in degrees
lat
(floating point)
- latitude in degrees
- Return Value (long integer):
- pixel index
- See Also:
- HEALPix web site
- Signature:
long healpixRingIndex(int, double, double)