Hi All, I'm trying to built a system with several digital modulations. First, I should be able to print constellations by using qt constellation block. I started by creating a simple flowgraph with two modulations. That is my flowgraph <http://gnuradio.4.n7.nabble.com/file/n48338/qt_applic.jpeg> . I take the top_block.py file and I tried to modify it by adding new function to switch the null sink and the constellation block by using disconnect() and connect() function. finally in the main function i added lock() and unlock() functions to reconfigure the application. the problem is when i run the modified python file the constellation graphic appear but it conserves the first constellation representation even the switching is happened . what do you think about that? should I write something to rerun the qt application? I appreciate your help
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