Function inMoc( mocLocation, ra, dec )

Description:
Indicates whether a given sky position is 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, either as a filename or a URL
ra (floating point)
right ascension in degrees
dec (floating point)
declination in degrees
Return Value (boolean):
true iff the given position falls within the given MOC
Signature:
boolean inMoc(String, double, double)