[x3d-public] testing x3d python jupyter notebook

[Andreas Plesch]

Mybinder.org lets you run live notebooks using a docker image on a server.

Here is a live notebook which has x3d.py (v 0.11)  available in the
(automatically built) docker image, and exercises the module a bit:

https://mybinder.org/v2/gh/andreasplesch/python-conda_pip/master?filepath=index.ipynb

It may take a while to load the interactive page. Feel to use that to
experiment with x3d.py, or fork to preserve notebooks in a repo.

The pip install did not work fully. It installed but then could not
find/access the module, only the __init__.py file. I had to manually
provide the x3d.py .

Here is the non-interactive notebook via nbviewer:

https://nbviewer.jupyter.org/github/andreasplesch/python-conda_pip/blob/master/index.ipynb

It all works well. Of course, sofar one cannot really do anything with the
created scene, such as displaying it.

[Some observations:
If you look at the end, I was expecting to access routes from the scene
object. But it only accepts children.
Can one add the same child multiple times to the children array ? How would
this be different or the same as DEF/USE ?
].

I did not try Mayavi but looking at the project it appears they rely on the
vtk xml x3dexporter. It looks like they use x3dom for jupyter and wrap the
x3d xml string as html. Unfortunately, this probably leads to problems with
singletons, and jupyter cannot use xhtml. There was a note on the list
previously on how to use python standard xml libraries to generate full
closing tags. If I find some time I may try some things and make
suggestions to Mayavi.

-Andreas


> Message: 2
> Date: Tue, 27 Aug 2019 05:39:26 +0000
> From: "Brutzman, Donald (Don) (CIV)" <brutzman at nps.edu>
> To: Masaki Aono <aono at tut.jp>
> Cc: Kwan-Hee Yoo <khyoo at chungbuk.ac.kr>, Myeong Won Lee
>         <mwlee at suwon.ac.kr>, X3D Graphics public mailing list
>         <x3d-public at web3d.org>, "Peitso, Loren (CIV)" <lepeitso at nps.edu>,
> John
>         Carlson <yottzumm at gmail.com>
> Subject: [x3d-public] testing x3d python jupyter notebook #0
> Message-ID: <622f0a4b-2cff-af29-2613-f8b090ec068c at nps.edu>
> Content-Type: text/plain; charset="utf-8"
>
> Hello Masaki, thanks for your help with setting up Jupyter notebook on my
> system.
>
>         https://test-jupyter.readthedocs.io/en/latest/install.html
>
> Attached please find my first Jupyter notebook that includes an x3d
> scene.  Also available as
>
>
> https://www.web3d.org/x3d/stylesheets/python/jupyter/HelloJupyterNotebook0.ipynb
>
> As discussed, it assumes that x3d.py has already been downloaded and is
> available in a PYTHONPATH directory.
>
>         https://www.web3d.org/x3d/stylesheets/python/python.html
>
> Please let me know if this notebook works for you.
>
> It is also viewable via jupyter's nbviewer service at
>
>
> https://nbviewer.jupyter.org/urls/www.web3d.org/x3d/stylesheets/python/jupyter/HelloJupyterNotebook0.ipynb
>
> Interestingly, at first this copied notebook appears to load the x3d.py
> package on the jupyter nbviewer server without prior configuration
> incantations, since the forced "error" is displayed.  However by looking at
> the source, it appears that the TypeError markup is saved in the JSON
> source.  So the shared nbviewer version of the notebook must be a published
> version that has been run, earlier, saved/shared and is later re-runnable.
> (Hence "viewer" in the name nbviewer.)
>
> I am next trying to configure my mailer to launch such notebooks.  Not
> sure it is possible.
>
> Onward we go... having fun with Python X3D!  Domo arigato  8)
>
> all the best, Don
> --
> Don Brutzman  Naval Postgraduate School, Code USW/Br
> brutzman at nps.edu
> Watkins 270,  MOVES Institute, Monterey CA 93943-5000 USA   +1.831.656.2149
> X3D graphics, virtual worlds, navy robotics
> http://faculty.nps.edu/brutzman
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-- 
Andreas Plesch
Waltham, MA 02453
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