I don't understand. With py-2.6, are things more responsive or is there an extremely noticeable lag?
On Mon, Aug 31, 2009 at 11:51 AM, william ratcliff<william.ratcl...@gmail.com> wrote: > Ok, I upgraded to python 2.6, installed mpl 0.99 qt 4.5, and the new pyqt > and things are more responsive...However, the difference between having that > line in and taking it out are the difference between having pan/zoom events > being extremely responsive and having an extremely noticeable lag. I've > attached a test file from the web which is rather simple. You can notice > the lag if you either try to pan/zoom using the toolbar, or if you try to > use the slider to change the sizes of the horizontal bars. > > Sigh, upgrading everything to 2.6 is going to be a chore... > > > Thanks, > William > > On Mon, Aug 31, 2009 at 11:30 AM, Darren Dale <dsdal...@gmail.com> wrote: >> >> I've been using 2.6. It should be fine on windows now, but I can't >> attest to it since I only use windows when I have to test and make >> windows installers. >> >> On Mon, Aug 31, 2009 at 10:02 AM, william >> ratcliff<william.ratcl...@gmail.com> wrote: >> > Let me try to upgrade to PyQt 4.5--I'm currently using 4.4.3 on vista 32 >> > bit. Btw. are you using python 2.6 or 2.5 (I ask because I'm still on >> > 2.5 >> > and am wondering if anyone has noticed any difficulties with 2.6). >> > >> > Cheers, >> > Wiliam >> > >> > On Mon, Aug 31, 2009 at 9:36 AM, Darren Dale <dsdal...@gmail.com> wrote: >> >> >> >> Hi William, >> >> >> >> On Mon, Aug 31, 2009 at 8:25 AM, william >> >> ratcliff<william.ratcl...@gmail.com> wrote: >> >> > Hi! I just installed matplotlib version .99 (windows vista, >> >> > python25, >> >> > 32bit) and found that >> >> > this line was missing: >> >> > QtGui.qApp.processEvents() >> >> > >> >> > Adding it sped the QT4Agg backend back to reasonable speeds--but it >> >> > still >> >> > seems a bit slow. Otherwise, I am using the excellent Python(x,y) >> >> > 2.1.14 >> >> > release for my python distribution on this machine. Could this line >> >> > be >> >> > added back? >> >> >> >> Unfortunately, no, that line can not be added back in. When that line >> >> is in place, the backend attempts to process queued events before it >> >> is finished processing the current event. It was leading to segfaults >> >> in some cases. processEvents should not be called in the middle of >> >> processing an event. >> >> >> >> I tested the responsiveness of panning and zooming with and without >> >> that call to processEvents, on Linux and windows and it looked fine. >> >> Maybe its an issue related to a specific Qt version on windows. Things >> >> looked fine for me with Qt-4.5/PyQt-4.5 on 64bit Vista. >> >> >> >> Darren >> > >> > >> >> >> >> -- >> "In our description of nature, the purpose is not to disclose the real >> essence of the phenomena but only to track down, so far as it is >> possible, relations between the manifold aspects of our experience" - >> Niels Bohr >> >> "It is a bad habit of physicists to take their most successful >> abstractions to be real properties of our world." - N. David Mermin >> >> "Once we have granted that any physical theory is essentially only a >> model for the world of experience, we must renounce all hope of >> finding anything like the correct theory ... simply because the >> totality of experience is never accessible to us." - Hugh Everett III > > -- "In our description of nature, the purpose is not to disclose the real essence of the phenomena but only to track down, so far as it is possible, relations between the manifold aspects of our experience" - Niels Bohr "It is a bad habit of physicists to take their most successful abstractions to be real properties of our world." - N. David Mermin "Once we have granted that any physical theory is essentially only a model for the world of experience, we must renounce all hope of finding anything like the correct theory ... simply because the totality of experience is never accessible to us." - Hugh Everett III ------------------------------------------------------------------------------ Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day trial. Simplify your report design, integration and deployment - and focus on what you do best, core application coding. Discover what's new with Crystal Reports now. http://p.sf.net/sfu/bobj-july _______________________________________________ Matplotlib-devel mailing list Matplotlib-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-devel
