One that I have seen recently matching your symptoms is that if you plot values that cover a very large range, this can result in floating-point errors in the GraphicsView bounds checking, which can then cause failures to update (because the view doesn't think the plot is visible).
On Sat, Nov 12, 2016 at 8:14 AM, Luke Campagnola <[email protected]> wrote: > There are many reasons this could be happening. The easiest way for us to > help is if you can provide a minimal working example. > As a start, I would check to see whether the problem persists if you run > the script without pycharm. > > On Fri, Nov 11, 2016 at 9:45 AM, Thomas Grübler <[email protected] > > wrote: > >> >> Hello, >> >> I write an application that displays something like an oscilloscope with >> real time values. >> >> Sometimes, it just stops updating the graph. Just when I change the >> window size, it shows the new curve, but then just one frame. >> >> The major problem is, I would like to write a bug report, but I do not >> get any error message in PyCharm. When using the debugger, all >> objects/pointers etc are present. >> Even worse, I do not have a real way to reproduce the behavior. Sometimes >> it is easy, sometimes it is not possible. >> For reproducing, I stop updating my curve entries for a minute, and then >> start again. >> My software is normally updating the curve entries every 0.01s. >> >> Any idea, how to produce an error message if it is freezing to find the >> problem? >> >> The freeze occurs using Python 3.4 (Anaconda) and with both PyQtGraph 0.9 >> and 0.10. >> >> Thanks very much! >> Thomas >> >> -- >> You received this message because you are subscribed to the Google Groups >> "pyqtgraph" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To view this discussion on the web visit https://groups.google.com/d/ms >> gid/pyqtgraph/6e624762-ebb4-4452-9957-641d108b4716%40googlegroups.com >> <https://groups.google.com/d/msgid/pyqtgraph/6e624762-ebb4-4452-9957-641d108b4716%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> For more options, visit https://groups.google.com/d/optout. >> > > -- You received this message because you are subscribed to the Google Groups "pyqtgraph" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/pyqtgraph/CACZXET_iUi9YP04HeyR%3Dijo898sOQWTe_sQX7-O5MHGxXXGyuQ%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
