AIPS HELP file for SETXWIN in 31DEC22
As of Wed May 31 4:24:22 2023
SETXWIN: Procedure to set BLC and TRC with TV cursor
There are 2 immediate arguments: the width of the
window in X and in Y. The cursor is used to point
at the center of the desired window.
Thus SETXWIN (45, 66) will specify a window of
45 X pixels and 66 Y pixels centered on the cursor.
There are no input adverbs.
@ Output adverbs:
BLC @ 0.0 16384.0 Bottom left corner
TRC @ 0.0 16384.0 Top right corner
PIXXY @ 0.0 16384.0 Map pixel position: center
DELTAX @ 0.0 16384.0 X width in pixels
DELTAY @ 0.0 16384.0 Y width in pixels
Use : To set window adverbs BLC and TRC by giving the widths
of the window (in pixels) as immediate arguments and by
pointing at the center of the window with the TV cursor
pressing any button.
Arguments: Width in X, width in Y in pixels.
i.e. SETXWIN (200, 55) will set a window 200 pixels in
X by 55 pixels in Y.
Adverbs: There are no input adverbs. The following adverbs
have their values changed by the procedure.
BLC........Bottom left corner of window
TRC........Top right corner of window
PIXXY......Map pixel position at center of window.
DELTAX.....Width in X pixels
DELTAY.....Width in Y pixels