Re: Rolling QT GUI Time Sink?

[Marcus Müller]

Pair that "partially-repeating vector source" with a new-style Throttle 
block to keep the vectors trickle in  more uniformly, by the way

On 8/2/23 04:53, Marcus D. Leech wrote:
> On 01/08/2023 22:41, Derek Kozel wrote:
> > There used to be the WX Strip chart which internally handled 
> > displaying slow signals and scrolling them. I keep hoping to 
> > implement it, but haven't yet made the time.
> I wrote that WX feature "back in the day".
>
> One can achieve the same effect by using the vector sink and having a 
> Python block that produces the correct vector
>   on the appropriate schedule.    Not as slick as have a "first class" 
> implementation,  but I've been using that to produce
>   strip-charts for quite a while.
>
>
> > https://github.com/gnuradio/gnuradio/issues/1629
> >
> > On 7/19/2023 7:59 PM, Marcus Müller wrote:
> > > Hi Fabian,
> > >
> > > I'm afraid we currently don't have that, no :(
> > >
> > > Best I can offer is the "new" throttle block, which can, at lower 
> > > rates, make "blocks" of items appear in pieces smaller than a full 
> > > maximum buffer size (i.e., that solves the problem that if 10s of 
> > > samples fit in a buffer, GNU Radio will possibly only process a 
> > > block of items every 10s, which makes e.g. the Qt time sink 
> > > "stutter" very badly.)
> > >
> > > Best,
> > > Marcus!
> > >
> > > On 19.07.23 18:09, Fabian Schwartau wrote:
> > > > Hi,
> > > > is there a way in GRC to get a rolling time sink?
> > > > That means no trigger, the signal just scrolls from right to left.
> > > >
> > > > Best,
> > > > Fabian