AIPS HELP file for CCBOX in 31DEC18
As of Mon Feb 19 16:30:39 2018
Type: Adverb (Real(4,10))
Use: An array, dimensioned (4,10), containing 10 sets of
of four numbers. Each quartet represents a rectangle in
an image. The four numbers are Bottom Left Corner (X,Y)
and Top Right Corner (X,Y) defining each rectangle. The
values are in arcseconds and are given relative to the
reference position for the image. Note that the RA offset
increases to the left.
The adverb NCCBOX is used to designate the number of
rectangles used in CCBOX.
The procedure BOX2CC will set NCCBOX and CCBOX from
NBOXES and BOX (which contains pixel coordinates).
Null value: 0
Null value assignment varies with the verb or task.