idlastro / TV Display Procedures: BLINK

[Source code]

NAME
BLINK
PURPOSE
To allow the user to alternatively examine two or more windows within
a single window.
CALLING SEQUENCE
BLINK, Wndw [, T]
INPUTS
Wndw  A vector containing the indices of the windows to blink.
T     The time to wait, in seconds, between blinks.  This is optional
      and set to 1 if not present.  
OUTPUTS
None.
PROCEDURE
The images contained in the windows given are written to a pixmap.
The contents of the the windows are copied to a display window, in 
order, until a key is struck.
EXAMPLE
Blink windows 0 and 2 with a wait time of 3 seconds
IDL> blink, [0,2], 3 
MODIFICATION HISTORY
Written by Michael R. Greason, STX, 2 May 1990.
Allow different size windows   Wayne Landsman    August, 1991
Converted to IDL V5.0   W. Landsman   September 1997