| Re: IDL 5.3.1 (Windows) backing store problem [message #24326] |
Tue, 27 March 2001 20:20  |
Med Bennett
Messages: 109
Registered: April 1997
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Senior Member |
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It sounds like a graphics card/hardware issue of some sort. I have seen
similar problems on my machine unrelated to IDL, but I would usually have to
reboot to resolve them. What sort of machine/graphics card do you have?
"Jason P. Meyers" wrote:
> Hello,
>
> I have been running into a problem with IDL not properly refreshing
> the log window after some period of time. After about an hour or so of
> use, the log window in IDLDE refuses to update properly. For example,
> the contents of the window aren't redrawn when re-exposed and sending
> any text to the window causes the window to go "blank". Actually, it
> doesn't go blank in the sense that I see a white screen. Rather, it
> blanks out to gray screen. The text can be recovered by scrolling the
> window up and down at least one full window height. But it then gets
> messed up as soon as the next bit of text is added or the display is
> moved. The problem goes away if I exit IDL and restart. (Note:
> resetting the session is not sufficient.) I have tried running IDL with
> default settings of Retain = 1 and Retain = 2 and the problem persists
> under both settings. Retain = 0 is not even an option because nothing
> gets updated at all.
>
> Has anyone else experienced this behavior? If so, is there a known
> fix (other than upgrading to version 5.4)?
>
> Thanks in advance,
> --
> Jason Meyers
> Ph.D. Student, Center for Imaging Science
> Rochester Institute of Technology
> jpm7934@rit.edu
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