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Re: fast plotting of streaming data - best approach?

From: Alexander Poddey
Subject: Re: fast plotting of streaming data - best approach?
Date: Sat, 25 Jun 2011 19:52:15 +0200
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fltk is quite fast. It however does not work when using qtoctave (no figure 
shows up). I guess this is an alredy known problem....


> Hi all,
> I have some data which comes streaming in (at e.g. 1000 samples /s).
> I hold the old data (at least a part of it) and want to plot lets say the
> last 5000 data points, updated every 1/10 s.
> Calling plot takes a few seconds to bring up the plot (debian squeeze,
> octave 3.2.4, gnuplot 4.4) - the naive approach to re-call plot with the
> new data is too slow.
> Which would be the best strategy to do this?
> Thanks
> Alex
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