Re: [Discuss-gnuradio] New OpenGL-based FFT, Waterfall, and Scope displays in trunk

[Josh Blum]

I think we need another preference parameter for the "waterfall rate". It should not be the same rate as the fft rate.

Howabout "waterfall_rate"?

On Fri, Aug 22, 2008 at 11:27 AM, Eric Blossom <address@hidden> wrote:

On Fri, Aug 22, 2008 at 07:26:07PM +0200, Stefan Bruens wrote:
> 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.

It works if you make sure there's no #... following the 15.
I stumbled on to that one myself.

Eric

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