Re: Rolling QT GUI Time Sink?

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
>>>
>>>
>>
>
>