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Re: IDL 5.0 PLOT or DEVICE bug: hidden graphics buffering? [message #11207]

Sat, 07 March 1998 00:00

davidf
Messages: 2866
Registered: September 1996

Senior Member

Russ Welti (on mapper) (rwelti@mapper.mbt.washington.edu) writes:

> I have an app which runs fine in 4.0 (i.e. does NOT have
> the following behavior). I'm converting it to 5.0

> [snip]

> Here's the mystery:
>
> First time through the loop, thing #1 is drawn, then there is
> a pause while computing, THEN thing #2 is drawn along with
> the SECOND thing #1.! They are NOT plotted in pairs.

Graphics output buffering like this is rare, but not unheard
of. Fast loops are one of the places where I've seen it occur.
Use the EMPTY procedure to flush the graphics output buffer.
It works less obtrusively than the Print statement. :-)

Cheers,

David

-----------------------------------------------------------
David Fanning, Ph.D.
Fanning Software Consulting
E-Mail: davidf@dfanning.com
Phone: 970-221-0438
Coyote's Guide to IDL Programming: http://www.dfanning.com/

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Re: IDL 5.0 PLOT or DEVICE bug: hidden graphics buffering?

By: davidf on Sat, 07 March 1998 00:00

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