Re: [Discuss-gnuradio] Display Problem with QT GUI Vector Sink

[gnuradio]

The example is running without errors.
Is it possible, that the way my music_cf function is outputting the 
data, might cause some trouble?

Simon

Am 2015-09-04 21:45, schrieb Martin Braun:
> There's an example for the vector sink, which doesn't seem to have that
> issue. Can you confirm that? It's in gr-qtgui/examples.
>
> M
>
> PS: I had to locally fix the example, maybe you need to do that to, the
> actual vector sink block was missing.
>
> On 04.09.2015 01:57, address@hidden wrote:
> > Hi Martin,
> >
> > averaging is disabled. Any further ideas?
> >
> > Best regards,
> > Simon
> >
> > Am 2015-09-03 18:49, schrieb Martin Braun:
> > > The vector sink has an averaging option, is that on?
> > >
> > > M
> > > On 03.09.2015 02:25, address@hidden wrote:
> > > > Dear all,
> > > >
> > > > I built an angle-of-arrival system using four Ettus USRP2. I'm 
> > > > facing a
> > > > problem when trying to display a vector containing the calculated
> > > > MUSIC-Spectrum using a “QT GUI Vector Sink”. The vector sink won't
> > > > display any data for the first two minutes, and then it is starting 
> > > > to
> > > > show very old values. When I use the block “Vector to Stream” and a
> > > > simple “QT GUI Time Sink” instead, the values are displayed 
> > > > immediately
> > > > without delay.
> > > >
> > > > The block “music_cf” feeding the vector sink is a sync_decimator,
> > > > generating one vector of 181 elements for every 1000 input samples. 
> > > > I've
> > > > provided a shortened version of my c++ code in the attachment, 
> > > > without
> > > > the actual mathematics.
> > > >
> > > > What could be the reason for this huge delay when using the “QT GUI
> > > > Vector Sink”? Is it a buffering problem?
> > > >
> > > > Best regards,
> > > > Simon
> > > >
> > > > Block Diagram:
> > > > http://fs1.directupload.net/images/150903/7cnqbzup.png
> > > >
> > > >
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> > >
> > >
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