[Discuss-gnuradio] Minimum amount of data to trigger WX GUI Scope Sink? and Ch 1 vs. Ch2 with Ch 3 vs. Ch 4

[David Halls]

Hi,

I am using WX GUI Scope Sink, and I have set the sample rate = 1M, same as the USRP. It seems that a minimum number of data points are required before anything appears on the plot - is that correct, and how can it be adjusted?

Also, I am looking at constellations, using the XY mode to show real and imaginary. It is possible to have multiple inputs, but is it possible to view multiple 'series' in XY mode?

I seem to be only able to choose Ch X vs Ch Y, e.g. Ch 1 vs. Ch 2 ( Re(in1) vs. Im(in1) ) or Ch 1 vs. Ch 4 (Re(in1) vs. Im(in2)). I would like to see Ch 1 vs. Ch 2 and Ch 3 vs Ch 4 simultaneously?

Thanks in advance! :)

David

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