Good morning Wayne,
You seem to have summarized the problem more succinctly than I did. Indeed
it draws, then seems to "overlay" a blank screen. I forgot to mention that
it's Mac OS 10.6.8, fully updated (and a CoreDuo, so 32 bit only).
I just checked and it's in OpenGL mode. If this suggests anything, I'm all
ears. Otherwise, I have a seminar in about 10 minutes, but I'll try
switching to Tk mode and let you know if it makes a difference.
Thanks,
Andrew
--
C. Andrew Fowler, Ph.D. | University of Iowa
Associate Director | B291 Carver Biomedical Research
Building
Medical NMR Facility | Iowa City, IA 52242
319-384-2937 (office) | 319-335-7273 (fax)
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On 4/5/12 8:21 AM, "Wayne Boucher" <[log in to unmask]> wrote:
>Hello,
>
>I tried to re-create this by opening up 20 3D spectra (each about 32 Mb,
>so not that huge I guess), and having a couple of windows and strips, but
>it seems to be behaving itself for me. But this sounds like some kind of
>Tk double buffering screw up (so it is splatting a blank page after the
>fact, rather than, or perhaps for some obscure reason in addition to at
>the beginning of the draw), which presumably manifests itself if the
>drawing is taking too long or something. I forget, are you on Linux and
>if so which variant? And is this in Tk (rather than OpenGL) drawing mode?
>
>Wayne
>
>On Wed, 4 Apr 2012, Fowler, Andrew wrote:
>
>> I have a titration with 11 total 1H-15N HSQC spectra. I've got the
>>spectra
>> imported/overlaid in Analysis 2.1.5, updated last week. Spectra were
>> converted with pipe2azara, and I've made contour files. All are peak
>> picked, and I'm trying to propagate assignments prior to extracting Kd
>> with "follow shift changes". This is a "clean" project with no other
>> spectra in it.
>>
>> Now the problem: any time I zoom, move, or otherwise change the display,
>> all 11 spectra and associated peak markers draw/update pretty much as
>> expected. As soon as they finish drawing, or perhaps as soon as I so
>>much
>> a breathe on my mouse, everything on the canvas blanks. If I remember
>> where things are, I can blindly draw a box around a shifting resonance,
>> which redraws and re-blanks, and propagate the assignments. For the
>> peripheral peaks, this is very annoying, but I have a handful of places
>> where there is significant overlap and do need to see what I'm doing.
>>
>> I tried zooming in on only 2 or 3 peaks, but that only slightly speeds
>>up
>> the display problem. If I turn off the display for several spectra,
>>things
>> seem to behave normally - I'm not sure what the magic number is, but
>>it's
>> less than 10.
>>
>> Any suggestions? I'd prefer not to have to propagate every assignment 2
>>or
>> more times. I've allocated a full gig of RAM to Analysis on startup, so
>>I
>> shouldn't be hitting bit problems there.
>>
>> I've seen similar things happen temporarily with some large 3D spectra
>> (C13-NOESY/HCCH-TOCSY), but those are usually ok after a redraw.
>>Quitting
>> and restarting makes no difference.
>>
>> Cheers,
>> Andrew
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