[x3d-public] X3D minutes 11 FEB 2022: , X3D4 Particle Systems component review, adding enabled field to X3DParticleEmitterNode ?

[John Carlson]

Forgot to attach the python program zip.

On Sat, Feb 19, 2022 at 3:59 PM John Carlson <yottzumm at gmail.com> wrote:

> There are a couple of issues with Holger's examples, converted to JSON and
> Python.
>
> I will look for a tutorial on particle systems next, and download Blender,
> etc.
>
> Back to Holger's examples:
> =====================
>
> BEGIN ../Library/Tests/Components/ParticleSystems/Bubbles.x3d > json,
> Warning: X3dToJson.xslt attribute type not found for DirectionalLight
> shadowDiffusion
>
> Looks like there's a non-standard attribute,shadowDiffusion.  in this
> example.  My guess is it works OK in X_ITE.   Would others want to
> implement/standardize this?
>
> BEGIN ../Library/Tests/Components/ParticleSystems/OpenVolume.x3d > json,
> Error on line 1 column 1 of OpenVolume.x3d:
>   SXXP0003   Error reported by XML parser: Content is not allowed in
> prolog.: Content is not
>   allowed in prolog.
> org.xml.sax.SAXParseException; systemId:
> file:/C:/Users/john/X3DJSONLD/src/main/shell/../Library/Tests/Components/ParticleSystems/OpenVolume.x3d;
> lineNumber: 1; columnNumber: 1; Content is not allowed in prolog.
>
> The above looks like a binary file, I doubt if it's valid in an XSLT
> program?
> ===============================================
> Python issues (X3dToPython.xslt)
>
> ExplosionEmitter.py
>   File
> "C:\Users\john\X3DJSONLD\src\main\python\net\x3djsonld\Library\Tests\Components\ParticleSystems\ExplosionEmitter.py",
> line 113
>     WindPhysicsModel(speed=0.5,gustiness=2)
>     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> SyntaxError: invalid syntax. Perhaps you forgot a comma?  Attaching zip of
> python and original.
>
>
> https://github.com/create3000/Library/blob/main/Tests/Components/ParticleSystems/ExplosionEmitter.x3d
>
>
>
> I realize I may be a few versions of the stylesheet/x3d.py, so this
> temporary issue until I upgrade.
>
>
>
>
>
> John
>
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