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Re: Display widgets' scaling factors [message #12791]

Thu, 10 September 1998 00:00

steinhh
Messages: 260
Registered: June 1994

Senior Member

David Fanning wrote:

> The proper thing would be to draw into the first window
> and *immediately* save the system variables.

Yep. That's the name of the game. I wrote a couple of routines
many years ago (ca 1994!) to deal with this kind of task. They're
used like this:

plot,something
p1 = pstore(1) ;; Returns a "plot region ID number"

plot,somethingelse ;; You may have more than one plot in
;; a window.

p2 = pstore(2) ;; Hence the number "2"

wset,some_other_window
plot,third_thing
p3 = pstore(1) ;; First plot this window

prestore,p1 ;; Restores variables + does wset
oplot,on_top_of_first_one

prestore,p3
oplot,on_top_of_third_plot

etc.

To get just these files, look at

http://sohowww.nascom.nasa.gov/softops/cds/idl/util/display/

Get files pstore.pro, prestore.pro, pfind.pro and pconvert.pro.

The routines were designed to work with scaled (rebinned), displayed
images as well (actually, mostly!), hence the mention in the
doc's about data X/Y size etc.

I think these routines are *mostly* independent of other
routines in that S/W tree, but you may have to change

TRIM() -> STRCOMPRESS(STRING(),??)
SETWINDOW -> WSET

Regards,

Stein Vidar

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[Message index]

		Re: Display widgets' scaling factors By: steinhh on Thu, 10 September 1998 00:00
		Re: Display widgets' scaling factors By: Liam Gumley on Wed, 09 September 1998 00:00
		Re: Display widgets' scaling factors By: davidf on Wed, 09 September 1998 00:00

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