I am facing problem in passing list through setBrush.
<https://lh3.googleusercontent.com/-gKziwwO4fSQ/WEqXgv9x1GI/AAAAAAAAV8k/xL9I8aRhWVgHR1CZP6pt1y2R3FnXtLnvgCLcB/s1600/1.JPG> On Sunday, October 19, 2014 at 7:58:01 PM UTC+5:30, Nicholas Tan Jerome wrote: > > No problem, if my fix is accepted, in future you don't need this hack to > make it work :) > > On Friday, 17 October 2014 17:22:41 UTC+2, Bobby Henley wrote: >> >> I don't fully understand why, but that did the trick! Thank you very much >> >> On Friday, October 17, 2014 5:09:26 AM UTC-4, Nicholas Tan Jerome wrote: >>> >>> Hi Bobby, >>> >>> I think you are right that setBrush should also accept list, not only >>> that, one can use mask to determine which to be filled. >>> >>> A hack to make this work is to pass the "mask" keyword >>> >>> do it like this >>> >>> example.setBrush(['r']*numberofscatterpoints, mask=None) and this should >>> work. >>> >>> I feel like the keyword is not checked properly. If one can just check >>> the mask keyword before, then we will not need to always pass mask=None to >>> make this work. >>> >>> pull request: >>> >>> https://github.com/pyqtgraph/pyqtgraph/commit/884df4934af6eadaa0065b700853838a32440576 >>> >>> -N >>> >>> >>> On Thursday, 16 October 2014 23:41:08 UTC+2, Bobby Henley wrote: >>>> >>>> I have a scatterplot containing a large amount of points, I would like >>>> to be able to change the colors of points on the fly, and change certain >>>> ones to different colors. >>>> The documentation for setBrush indicates that it should be able to take >>>> a list of values and set the brush colors accordingly. So far this command >>>> only works for using a single brush value for all points on a scatterplot. >>>> When I try to input a list, say for example >>>> >>>> example=pg.ScatterPlotItem() >>>> example.setBrush(['r']*numberofscatterpoints) >>>> >>>> will return the following error >>>> >>>> File >>>> "E:\Robert\WinPython-64bit-2.7.6.4\python-2.7.6.amd64\lib\site-packages\pyqtgraph\graphicsItems\ScatterPlotItem.py", >>>> >>>> line 446, in setBrush >>>> if kargs['mask'] is not None: >>>> KeyError: 'mask' >>>> >>>> but if I try to use only one input value, ie >>>> >>>> example=pg.ScatterPlotItem() >>>> example.setBrush('r') >>>> >>>> I have no issues. Does setBrush not actually take lists? Or am I doing >>>> something wrong? >>>> >>> -- 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/092bd0c9-9aad-4b32-ae3e-b2b43d990886%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
