Re: [Discuss-gnuradio] Spectrogram plot on ControlPort

[Nowlan, Sean]

>That should definitely be a good start. You're going to probably want
>to have a rolling buffer that you fill up with the latest samples and
>age off the oldest ones once its full. Otherwise, you'll just get one
>or two lines of the spectrogram plotted.

I used the waterfall_sink_c class. Doesn't that already buffer everything it 
needs to display the plot? Are you talking about additional buffering before 
the waterfall sink? It looks to be working already.

--sean