[SciPy-Dev] Python Scipy Block Diagram Editor with ACG

Brian Thorne hardbyte@gmail....
Sat Nov 24 21:29:55 CST 2012

The PySimulator paper might be relevant - they tied into Modelica and have
a plugin based GUI [1].

[1] http://elib.dlr.de/77223/1/ecp12076523_PfeifferHellererHartwegOtter.pdf

On 23 November 2012 06:09, dwight reid <dreid@dwightreid.com> wrote:

> Guys,
> I agree with Pierre that the GUI from an existing Office suite won't lead
> far enough, which is where I need the help actually (with the GUI
> programming). I was hoping to maybe strip down Libre office draw and then
> tailor it to suit this application but from what I've seen so far it may be
> easier to build from scratch.
> Currently I am just parsing the .odf file, which is essentially XML. This
> proves relatively easy and I was hoping to continue with this file format
> for the GUI. If anyone knows of a minimal drawing program (open sourced of
> course) that can produce the .odf file or a similar format I would try to
> use it, also if there are any suggestions regarding a file format or
> general approach that would be welcomed.
> Scilab Xcos looked like they were trying code generation for some
> micro-controllers but they seem to have stopped, does anyone have any
> experience using it for code generation?
> For openModelica I would need to be pointed in the direction of using it
> for code generation, I haven't looked extensively but so far I can't see
> how to generate code with it.
>   ------------------------------
> *From:* Pierre Haessig <pierre.haessig@crans.org>
> *To:* SciPy Developers List <scipy-dev@scipy.org>
> *Sent:* Thursday, November 22, 2012 4:17 AM
> *Subject:* Re: [SciPy-Dev] Python Scipy Block Diagram Editor with ACG
> Hi,
> I think a block diagram editor would be a great addition to the Python
> scientific ecosystem. I've had this in mind for some years now, but
> never put it seriously on my programming agenda.
> Now, I would really make the difference between :
> 1) a block diagram editor ("Simulink/xcos/Modelica-like") which, as
> Chuck said, is really a tool to describe a dynamical system (either a
> physical system or a control system).
> 2) a visual programming environment, like Labview, which has many flaws
> that Matthias forcefully described ;-)
> Now, to come back closer to what Dwight presented, I think that using
> the GUI from an existing Office suite won't lead far enough.
> I've experienced a bit GUI programming on the closely related matter of
> a schematic editor (schematics of electrical circuits : see
> http://www.youtube.com/watch?v=HYv-6w8FCf4&feature=player_detailpage#t=39s
> ).
> This GUI is done in Python+Qt (PyQt or PySide as a matter of licensing
> taste) with the key element being a QGraphicsView
> (http://qt-project.org/doc/qt-4.8/graphicsview.html)  which handles the
> display of the schematic.
> I've really had a positive feeling with this graphical framework from
> Qt. (However, I didn't practice with many others to allow for a fair
> comparison).
> Also, these years have seen the growing popularity of browser-based
> editors (like https://www.circuitlab.com/) so that it may be worth
> studying javascript/HTML5 frameworks (which I unfortunately never did).
> Best,
> Pierre
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