> > Dear all, > > I'm implementing a GUI to show the time-varying wireless channel gain > with qtgui. > > To be specific, I want to implement is a history plot. > The X-axis is discrete time and the Y-axis is a channel gain. > And the plot should be updated (refreshed) every few seconds. > ( for example http://qwt.sourceforge.net/cpuplot.png ) > > I've tried with qtgui.sink_f() block. > But, the basic option 'plottime' is not appropriate for this purpose. > > Is there any other way to implement it? > I can't speak for QtGui, but under the Wx gui, you can select the "Stripchart" trigger method, which will produce the behaviour you're looking for.
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