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Re: [Discuss-gnuradio] New OpenGL-based FFT, Waterfall, and Scope displa
From: |
Stefan Bruens |
Subject: |
Re: [Discuss-gnuradio] New OpenGL-based FFT, Waterfall, and Scope displays in trunk |
Date: |
Fri, 22 Aug 2008 19:26:07 +0200 |
User-agent: |
KMail/1.10.0 (Linux/2.6.25.11-0.1-default; KDE/4.1.1; x86_64; ; ) |
On Monday 18 August 2008 18:04:23 Johnathan Corgan wrote:
> On Mon, Aug 18, 2008 at 4:57 AM, Firas A. <address@hidden> wrote:
> > 2) I think screen refresh (drawing times) is too high (on my system) that
> > leads to flickering.
>
> You can lower the frame rate from the default of 30 by adding the
> following line(s) to your config.conf:
>
> [wxgui]
> fft_rate=15 (...or whatever frame rate you want)
>
> This will work with either the old or the new sinks.
Unfortunately, this is not the case - waterfallsink_gl.py uses
DEFAULT_FRAME_RATE, which is set waterfall_window.py to the fixed value of 30.
There is another problem with the frame rate, if it is decreased often enough,
old_framerate*0.75 will yield 0, and this leads to various problems.
Stefan
--
Stefan Brüns / Bergstraße 21 / 52062 Aachen
phone: +49 241 53809034 mobile: +49 151 50412019
- Re: [Discuss-gnuradio] New OpenGL-based FFT, Waterfall, and Scope displays in trunk, (continued)
- Re: [Discuss-gnuradio] New OpenGL-based FFT, Waterfall, and Scope displays in trunk, masond, 2008/08/14
- Re: [Discuss-gnuradio] New OpenGL-based FFT, Waterfall, and Scope displays in trunk, Christian Kendi, 2008/08/15
- Re: [Discuss-gnuradio] New OpenGL-based FFT, Waterfall, and Scope displays in trunk, Rakesh Peter, 2008/08/16
- Re: [Discuss-gnuradio] New OpenGL-based FFT, Waterfall, and Scope displays in trunk, Firas A., 2008/08/18
- Re: [Discuss-gnuradio] New OpenGL-based FFT, Waterfall, and Scope displays in trunk, Johnathan Corgan, 2008/08/18
- Re: [Discuss-gnuradio] New OpenGL-based FFT, Waterfall, and Scope displays in trunk, Firas A., 2008/08/18
- RE: [Discuss-gnuradio] New OpenGL-based FFT, Waterfall, and Scope displays in trunk, Eric Schneider, 2008/08/18
- Re: [Discuss-gnuradio] New OpenGL-based FFT, Waterfall, and Scope displays in trunk, Johnathan Corgan, 2008/08/18
- Re: [Discuss-gnuradio] New OpenGL-based FFT, Waterfall, and Scope displays in trunk,
Stefan Bruens <=
- Re: [Discuss-gnuradio] New OpenGL-based FFT, Waterfall, and Scope displays in trunk, Eric Blossom, 2008/08/22
- Re: [Discuss-gnuradio] New OpenGL-based FFT, Waterfall, and Scope displays in trunk, Josh Blum, 2008/08/22
- Re: [Discuss-gnuradio] New OpenGL-based FFT, Waterfall, and Scope displays in trunk, Eric Blossom, 2008/08/22
- Re: [Discuss-gnuradio] New OpenGL-based FFT, Waterfall, and Scope displays in trunk, Josh Blum, 2008/08/22
Re: [Discuss-gnuradio] New OpenGL-based FFT, Waterfall, and Scope displays in trunk, Josh Blum, 2008/08/20