Re: [Discuss-gnuradio] QT GUI Sink: wrong frequency scale, fft size (next branch)

[Tom Rondeau]

On Sun, May 19, 2013 at 4:10 PM, Hans Van Ingelgom
<address@hidden> wrote:
> Ok, could you add me as a contributor? I just added an account (username:
> hansvi).

Ok, that's done.

When you report it, also add version numbers of the libraries you're
using (Qt and Qwt, specifically). I think that has to have something
to do with it.

Thanks,
Tom


> On Sun, May 19, 2013 at 11:25 AM, Tom Rondeau <address@hidden> wrote:
>>
>> On Sun, May 19, 2013 at 12:58 AM, Hans Van Ingelgom
>> <address@hidden> wrote:
>> >
>> > If you just make any signal source and a QT GUI Sink, you'll see that
>> > the
>> > frequency scale is wrong: a 32ksps signal will show a frequency range
>> > from
>> > -8kHz to +8kHz (instead of -16...16kHz).
>> >
>> > Also, if you keep the default FFT size of 1024, the chooser widget shows
>> > 256, but in reality the FFT size is correct at 1024. If you select 1024,
>> > nothing changes. Going back to 256, the spectrum becomes coarser.
>> >
>> > BTW, I can zoom in/out in the FFT view using the scroll wheel, but I
>> > can't
>> > move up/down. By default I just see the frequency peak of the
>> > synthesized
>> > sine wave, not the noise floor.
>> >
>> > Greetings,
>> > Hans.
>>
>> Hans,
>>
>> Thanks for the reports of the issues. Please use the bug tracker so we
>> can properly keep track of these bugs to fix them:
>>
>>
>> http://gnuradio.org/redmine/projects/gnuradio/wiki/FAQ#How-can-I-post-on-this-wiki-use-the-bug-tracker
>>
>> Tom
>
>
>
> _______________________________________________
> Discuss-gnuradio mailing list
> address@hidden
> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
>