On Nov 9, 2007 6:49 PM, David Boddie <[EMAIL PROTECTED]> wrote: > > Not at all. It would appear that you've written an example that leaves > pretty much all the processing to the underlying framework.
I see. I didn't know if there's some slowdown that comes from having to interpret python classes instead of C++ classes, but if there is, this example isn't limited by that. Thank you for checking. > Then, I searched the Task Tracker for similar reports to yours and found > this one: > > http://trolltech.com/developer/task-tracker/index_html?method=entry&id=144901 Oh! That's a resource I didn't know about. > So, I built it against Qt 4.3 - still the same problem. > > I followed the advice given in the task description. The resulting > performance is _much_ better - you have to see it to believe it. :-) Wow. Thank you. That's much better. setViewportUpdateMode(QGraphicsView.SmartViewportUpdate) helped immensely. Thank you! > If you can, you should use PyQt 4.3.1 with Qt 4.3 so that you can take > advantage of the improved performance and configurability of QGraphicsView. I seem to be using a late-enough version of PyQt that this worked. Thank you! That was the best answer I could have expected. :) Vadim _______________________________________________ PyQt mailing list [email protected] http://www.riverbankcomputing.com/mailman/listinfo/pyqt
