AIPS HELP file for TRC in 31DEC13
As of Thu May 23 6:08:58 2013
HELP SECTION
TRC
Type: Adverb (Real array, 7 elements)
Use: The array subscripts of the pixel at the Top Right
Corner of the desired subarray of the image. The first
value in TRC gives the column number of the pixel; the
second value in TRC gives the row number of the pixel.
The array contains 7 dimensions.
Null value: 7*0
Null value assignment is generally (N,M,x,...), where
N and M are the dimensions of each plane of the image
and where x,... is the 3rd,... axis dimensions for
operations on full images or BLC(3),... for operations
on single planes.
EXPLAIN SECTION