Hello Problem solved. I removed the QApplication() from the example. Matplotlib was used for plotting, no need of qApp!!
Thanks Mitul Vekariya On Tue, Apr 8, 2014 at 2:22 PM, MITUL VEKARIYA <10bec...@nirmauni.ac.in>wrote: > Hi > > I am trying to figure out how to use smith chart as a sink in GNU Radio. > I made an OOT (https://github.com/mitul93/gr-smithchart) using pyQT by > following Tim O'shea's work. > It is merely a skeleton, still lots of work to do. > > I made two versions of smith chart - one using pyQT and another using > matplotlib (ploar plot). > After executing example_smithsink_numpy.py when I close the graph, the > program won't stop. I tried to write an close_event() for the graph, but it > didn't work. Is it happening due to the fact I am using it with GNU Radio? > > To display data point on graph, shall I use message passing or simple > vector input? > > Also please give me your feedback about expected function that I must > implement in smith chart. > > Thanks > Mitul Vekariya > Institute of Technology > Nirma University >
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