AIPS HELP file for TKVAL in 31DEC18
As of Wed Jun 20 22:30:46 2018
TKVAL: Verb to obtain value under cursor from a slice
@ Output adverb
PIXVAL @ Intensity under cursor.
Use: Read a intensity from a slice plot on the TEKTRONIX 4012
screen using the cursor and prints the results in map
units. Move the crosshairs with the thumbwheels
to the desired position and then press any key EXCEPT the
RETURN key on the Tektronix keyboard.
This verb returns the intensity in PIXVAL.
This verb calculates the intensity from the cursor
position and does not use the origional data. For a more
accurate interpolation of the data use TKXY; IMVAL.
None as input
PIXVAL.......Intensity under cursor.