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Re: [Discuss-gnuradio] Peak Hold in FFT display causing UI problems
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From: |
Marcus D. Leech |
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Subject: |
Re: [Discuss-gnuradio] Peak Hold in FFT display causing UI problems |
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Date: |
Tue, 12 Oct 2010 20:44:17 -0400 |
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User-agent: |
Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.12) Gecko/20100907 Fedora/3.0.7-1.fc12 Thunderbird/3.0.7 |
On 10/12/2010 06:56 PM, Josh Blum wrote:
> Peak hold is essentially doubling the number of vertexes to draw. If
> you double the number of bins, do you get the same behavior?
>
> You may increase performance by dropping the frame rate to lowering
> the number of bins.
>
> -Josh
>
So, curiously enough, on my other dual-core machine, running
nearly-identical Gnu Radio, and Fedora release, and with
only-somewhat-beefier
CPU, I have an app that runs 6 'scope' traces simultaneously, and
updates once per second. It doesn't have this problem.
--
Marcus Leech
Principal Investigator
Shirleys Bay Radio Astronomy Consortium
http://www.sbrac.org