Re: gr-bokehgui in the future?

[Cyrille Morin]

Hi Glen,

It seems I replied to you using the wrong email address, so it got dropped.
Sorry for the delay.

Cyrille

Le 20/03/2023 à 18:49, Cyrille Morin a écrit :
> Hello Glen,
>
> Glad to see that you use bokehgui, and that it works for you :)
>
> I do plan to continue improving the module in the future. Improving 
> the waterfall sink, adding support for bokeh 3, histogram and BER 
> sinks, fixing the trigger feature, ...
>
> I've got a bunch of ideas but sadly I currently have quite a few 
> projects stealing time at work.
> So yeah, I hope to be able to get back to that in the coming months.
> And any help is welcome, of course :)
>
> As for the traffic, it's directly related to how many plots you have, 
> and how quickly they update.
> The module already transfers only the data points to plot, so it's 
> difficult do really reduce the throughput (short of adding compression 
> algorithms inside of the underlying bokeh library)
> But if you can live with it, you could reduce the update frequency 
> (increase update time), to show less points per second.
>
> Regarding the vector sink, that shouldn't be very complex, I think one 
> would just need to modify the .yaml file in the grc folder.
> The one nice thing with the current setup is that it allows non linear 
> spacing of the x values, so it's a bit more versatile.
> In the meantime, you can still generate the range of values you want 
> from a min and a max.
> For instance importing numpy with an Import block in GRC, and using 
> list(numpy.linspace(min, max, num_values)) in the x_values parameter 
> (the cast to a list may not be necessary).
>
> Cyrille Morin
>
> Le 20/03/2023 à 15:33, Glen Langston a écrit :
> > Hello,
> >
> > We continued work with high schools experimenting with Radio Astronomy
> > using Gnuradio.   We’ve found that a simple bucket may be used
> > to observe our Milky Way Galaxy.
> >
> >               https://youtu.be/bH-k2hsnGa4 
> > <https://youtu.be/bH-k2hsnGa4>
> >
> >
> > We’re also trying to bring all our observations on-line from across the
> > country.  We’ve successfully used the gr-bokehgui to translate our 
> > designs
> > for astronomy into versions that directly display in web browsers.
> >
> > So, We’ve got a couple questions:
> > 1) Are there plans for anybody to add more features to gr-bokehgui?
> >     We could particularly use a histogram plot.
> > 2) Although my designs using gr-bokehgui run fine to begin with,
> > These designs seem to be generating too much internet traffic and are
> > hanging up my network.   Is there any (known) way of reducing the 
> > data flow?
> > 3) It would be more convenient if the gr-bokehgui sinks matched 1-for-1
> > with the qt-gui sinks.
> >
> > Any forecasts for progress in this area?   One area that would be
> > fairly easy to update (and I hope to do so soon) is to change
> > the definition of the x-axis array input to the vector plot sink.
> > I’d prefer that, if the x-axis array only had two entries (while the
> > y had 1024 or 2048 values, etc), that these two x-values would be 
> > interpreted
> > as min and max values on the x-axis, creating the other values 
> > appropriately.
> >
> > Best regards
> >
> > Glen
> >
> >
> >             <https://youtu.be/bH-k2hsnGa4>
> > > On Apr 9, 2020, at 4:45 PM, Marcus Müller <mmueller@gnuradio.org> 
> > > wrote:
> > >
> > > Dear hopefully healthiest of all SDR communities to ever graze 
> > > freely on
> > > the airwaves,
> > >
> > > it's taken me way longer than I wanted, but after the release candidate
> > > finally follows release 3.8.1.0 of GNU Radio.
> > >
> > > Due to unforeseen crypto hardware trouble, and the presumably temporary
> > > inability to access key backups, I can't offer a release signed with a
> > > trustworthy key. Hopefully, we'll have that situation sorted out by the
> > > next release; to not cause unnecessary confusion through signatures
> > > nobody can verify, you'll only find signify-signed tarballs for now.
> > >
> > > Regarding what this release means, and what it is:
> > >
> > > This is a release from the GNU Radio 3.8 maintenance release series.
> > > 3.8 is our current stable release series, i.e. we're focused on keeping
> > > it running on modern systems and fixing the bugs that we've left in
> > > there for our own future entertainment at an earlier point ;)
> > >
> > > Feature work happens mostly on the `master` branch, which will become
> > > GNU Radio 3.9.0.0 at some point. We're at a point where not everything
> > > most users will do is 100% compatible between 3.8.* and master, so it's
> > > a good time to try out our master branch if you want to work on
> > > bleeding-edge stuff. Generally, while we, and I, dedicate very much to
> > > continuing support for 3.8, master (and thus, 3.9) already is more
> > > convenient to develop for in quite a few ways, many revolving around
> > > things we don't do anymore on 3.9 (Python2 compability), and are
> > > abandoning for something less hazardous (replacing SWIG with Pybind11
> > > code). Moving forward is a lot of fun! I really missed that in the 
> > > 3.7 era.
> > >
> > > Best regards,
> > > and happy hacking!
> > >
> > > Marcus
> > >
> > > #Contributors (a.k.a. people making my maintainer heart feel 
> > > warm&fuzzy)
> > >
> > > * Alba Mendez <me@alba.sh>
> > > * alekhgupta1441 <alekhgupta1441@gmail.com>
> > > * Anders Kalør <anders@kaloer.com>
> > > * Artem Pisarenko <artem.k.pisarenko@gmail.com>
> > > * Bastian Bloessl <mail@bastibl.net>
> > > * Brennan Ashton <bashton@brennanashton.com>
> > > * Chris <christopher.donohue@gmail.com>
> > > * Clayton Smith <argilo@gmail.com>
> > > * CMorin <barthy42@laposte.net>
> > > * Daniel Estévez <daniel@destevez.net>
> > > * Davide Gerhard <rainbow@irh.it>
> > > * Derek Kozel <derek.kozel@gmail.com>
> > > * duggabe
> > > * Glenn Richardson <glenn.richardson@live.com>
> > > * Grant Cox <grant.cox@deepspaceamps.com>
> > > * Gwenhael Goavec-Merou <gwenhael.goavec-merou@trabucayre.com>
> > > * Håkon Vågsether <haakonsv@gmail.com>
> > > * Igor Freire <igor.auad@gmail.com>
> > > * Jacob Gilbert <mrjacobagilbert@gmail.com>
> > > * Jan Kraemer <kraemer.jn@gmail.com>
> > > * japm48
> > > * Johannes Demel <demel@ant.uni-bremen.de>
> > > * Josh Morman <jmorman@perspectalabs.com>
> > > * karel
> > > * luz.paz
> > > * Marc L <marcll@vt.edu>
> > > * Marcus Müller <mmueller@gnuradio.org>
> > > * Martin Braun <martin.braun@ettus.com>
> > > * Michael Dickens <michael.dickens@ettus.com>
> > > * Michael Roe <mroe@cornstalk.org.uk>
> > > * Nathan West <nwest@deepsig.io>
> > > * Nick Østergaard <oe.nick@gmail.com>
> > > * Nicolas Cuervo <cuervonicolas@gmail.com>
> > > * Notou <barthy42@laposte.net>
> > > * Philip Balister <philip@balister.org>
> > > * rear1019 <rear1019@posteo.de>
> > > * RedStone002
> > > * Ron Economos <w6rz@comcast.net>
> > > * Ryan Schutt
> > > * Ryan Volz <rvolz@mit.edu>
> > > * Sebastian Koslowski <sebastian.koslowski@gmail.com>
> > > * Sebastian Müller <gsenpo@gmail.com>
> > > * Sylvain Munaut <tnt@246tNt.com>
> > > * Terry May <terrydmay@gmail.com>
> > > * Thomas Habets <thomas@habets.se>
> > > * Vasil Velichkov <vvvelichkov@gmail.com>
> > > * Volker Schroer
> > > * wcampbell <wcampbell1995@gmail.com>
> > > * William Barnhart <williambbarnhart@gmail.com>
> > >
> > >
> > > ## [3.8.1.0] - 2020-04-08
> > >
> > > ### Changed
> > >
> > > #### Project Scope
> > >
> > > - clang-tidy improvements
> > >   - Throw exceptions by value, catch by reference
> > >   - `emplace_back` where applicable
> > >   - `empty()` instead of `vector::size() == 0`
> > > - Use CMake to check for endianness instead of `BOOST_BIG_ENDIAN`
> > >
> > > #### gr-fec
> > >
> > > - Scipy becomes optional dependency (for polar channel code 
> > > construction)
> > >
> > > #### gr_modtool
> > >
> > > - use Boost.UTF instead of cppunit
> > >
> > > ### Fixed
> > >
> > > #### Project Scope
> > >
> > > - FindQwt paths
> > > - floatAlmostEqual unittest assert function wrongly passing on sequence
> > > types
> > > - Only require boost unittest when testing is enabled
> > > - FindLOG4CPP typo
> > > - numpy.fft(pack) imports
> > > - several scipy imports that can be done with numpy alone
> > >
> > > #### gnuradio-runtime
> > >
> > > - block gateway shadowed system port
> > > - Flaky message passing unit test contained timeout (not the test's 
> > > job)
> > > - ctrlport/`rpcaggregator` & Co: removed storage of references to
> > > scope-lifetime objects
> > > - Sine table generation python was wrong
> > > - `get_tags_in_range` for delay < (end-start)
> > > - premature tag pruning
> > > - release flattened flowgraph after stopping; fixes
> > > restartability/shutdown issues
> > >
> > > #### gr-analog
> > >
> > > - clipping in FM receiver: remove superfluous gain
> > > - C++ generation for multiple blocks
> > >
> > > #### gr-audio
> > >
> > > - portaudio source: lock acquisition
> > >
> > > #### gr-blocks
> > >
> > > - rotator VOLK workaround
> > >
> > > #### gr-digital
> > >
> > > - `map_bb` buffer overflow
> > > - `map_bb` thread safety
> > > - `additive_scrambler `count based reset
> > >
> > > #### gr-fec
> > >
> > > - heap corruption in `async_decoder`
> > > - `cc_encoder` was broken for constraint lengths > 8
> > >
> > > #### gr-fft
> > >
> > > - restore Boost 1.53 compat
> > >
> > > #### gr-qtgui
> > >
> > > - no longer requiring unnecessary key in `edit_box_msg`
> > >
> > > #### gr-uhd
> > >
> > > - fixed examples under Py3
> > > - multichannel objects not populating channels
> > >
> > > #### gr_modtool
> > >
> > > - wrong use of `input` -> `raw_input`
> > > - allow empty argument list
> > > - testing
> > > - check for and deny TSB under Python
> > > - QA addition bugs
> > > - correct path for C++ QA tests
> > >
> > > #### GRC
> > >
> > > - several issues with YAML files
> > > - nested objects now properly populate namespaces
> > > - comments now included in block bounds calculation
> > > - Wiki documentation link removed from OOT blocks' docs tab
> > > - Dragging connections to auto-hide ports works now
> > > - generated and re-generated several example flowgraphs
> > > - `bokeh_layout` module name
> > > - Revert toggle buttons to text entry for bool block props, allowing 
> > > GRC
> > >   variables to be used
> > >
> > > ### Added
> > >
> > > #### Project Scope
> > >
> > > - Codec2 development branch / future compat
> > > - Boost 1.71 compat
> > > - CI now checks for formatting
> > >
> > > #### gnuradio-runtime
> > >
> > > - dot graphs now contain message edges
> > > - Python wrapping for blocks' `set_affinity` and `{g,s}et_alias`
> > >
> > > #### gr-uhd
> > >
> > > - UHD Filter API
> > >
> > > #### GRC
> > >
> > > - block affinity, buffer sizes available as advanced options for blocks
> > > - testing
> > > - Python snippets (please snippet responsibly!)
> > > - `show_id` flag added to embedded python blocks, Probes
> > > - global option to toggle showing of IDs
> > > - Help "Keyboard Shortcut" entry