[x3d-public] file converter based on pythonocc

[John Carlson]

Pyodide, a great disruptor for JavaScript in the browser! Long Live Python.

Thanks Don, for create x3d.py.  Now I will start using it, if we can get
X_ITE or X3DOM output.

Java sucks! JavaScript sucks! No Coffee* for me! For reals this time!

Woohoo!

Long live Python!

Oh...is Python standardized?

Hey, guys, stop operating with a non-standard language!

John

On Sat, Apr 18, 2020 at 12:28 PM Don Brutzman <brutzman at nps.edu> wrote:

> Hi Andreas, sounds like a great idea to me.  Here are some peripheral
> points of support.
>
> Last weekend i updated and deployed the x3d.py package (sometimes called
> X3DPSAIL) at
>
> [1]     Python Package Index (PyPi) x3d 0.0.25
>         Package support for Extensible 3D (X3D) Graphics International
> Standard (IS)
>         https://pypi.org/project/x3d/
>
> [2]     Python X3D Package x3d.py,X3D Python Scene Access Interface
> Library (X3DPSAIL)
>         https://www.web3d.org/x3d/stylesheets/python/python.html
>
> "The x3d.py Python X3D Package supports programmers with Python interfaces
> and objects for standards-based X3D programming, all as open source.
> The presentation *Python X3D Package Implementation* provides an overview
> and shows examples."
>
> [2.1]   Python X3D Package Implementation
>
> https://www.web3d.org/x3d/stylesheets/python/documents/PythonX3dPackageImplementation.pdf
>
> So you would use this library for model creation and data-driven
> improvement, no need to reinvent X3D data structures or methods.
>
> This is autogenerated from X3DUOM so it will always stay in sync with
> latest/greatest X3D4.
>
> We've done some preliminary work with Jupyter notebook, listed there.
> Lots of potential projects in TODO section.
>
> [2.2]   X3DPSAIL: Jupyter notebook, TODO
>         https://www.web3d.org/x3d/stylesheets/python/python.html#Jupyter
>         https://www.web3d.org/x3d/stylesheets/python/python.html#TODO
>
> For pythonocc conversion efforts, will be happy to ensure that
> a. all improvements to API are applied,
> b. ensure that validation of all scene-graph inputs remains rigorous,
> b. utility methods are added for easy use together,
> d. examplar conversion models are properly saved in X3D Examples Archive,
> e. Whatever else!
>
> Looks like there is vast potential here.  Hoping folks start picking it up
> and applying capabilities.
>
> Have fun with X3D Python!  8)
>
>
> On 4/17/2020 5:15 PM, Andreas Plesch wrote:
> > Did somebody put together an x3d converter based on pythonocc ?
> >
> > Here is an example:
> >
> > https://senties-martinelli.com/software/cad-viewer
> >
> > It could convert  step, stp, igs, iges, obj and stl formats. Format
> > import and export is only a small subset of pythonocc
> > (https://github.com/tpaviot/pythonocc-core) but I think just making
> > this functionality easy to use with a dedicated converter could be
> > really valuable.
> >
> > In the end, I think a  web service just for conversion would be most
> useful.
> >
> > I played with the Jupyter notebook and could generate with only a few
> lines x3d.
> >
> > And there are ways to generate a standalone webapp from a notebook:
> >
> https://discourse.jupyter.org/t/how-to-transform-a-jupyter-notebook-into-a-webapp/758/6
> >
> > That could be quick way to offer a web service.
> >
> > Have there been attempts of this kind ? Would there be interest in a
> > open source github hosted project ?
> >
> > -Andreas
>
> 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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> http://web3d.org/mailman/listinfo/x3d-public_web3d.org
>
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