Function inMoc( mocLocation, ra, dec )

Description:
Indicates whether a given sky position falls strictly within a given MOC (Multi-Order Coverage map). If the given mocLocation value does not represent a MOC (for instance no file exists or the file is not in MOC format) a warning will be issued the first time it's referenced, and the result will be false.
Parameters:
mocLocation (String)
location of a FITS MOC file: a filename, a URL, or a VizieR table name
ra (floating point)
ICRS right ascension in degrees
dec (floating point)
ICRS declination in degrees
Return Value (boolean):
true iff the given position falls within the given MOC
Signature:
boolean inMoc(String, double, double)