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Hello, I'm also on 10.6.8 but with a Core 2 Duo but I'm not sure what difference that would make. I was using Tk mode, as it happens, but when I switched to OpenGL mode it still worked ok. So it will be interesting to see what happens for you if you switch to Tk mode. Wayne On Thu, 5 Apr 2012, Fowler, Andrew wrote: > 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) > [log in to unmask] > > > > > 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 > > > > ________________________________ > Notice: This UI Health Care e-mail (including attachments) is covered by the Electronic Communications Privacy Act, 18 U.S.C. 2510-2521, is confidential and may be legally privileged. If you are not the intended recipient, you are hereby notified that any retention, dissemination, distribution, or copying of this communication is strictly prohibited. Please reply to the sender that you have received the message in error, then delete it. Thank you. > ________________________________ >