[X3D-Ecosystem] Ecosystem Minutes for Jan 13, 2026

[John Carlson]

Thanks, Don, for the reference to Holger’s work.  As of a month ago, the
export of “Future Bike” is still not exporting well from Blender because
there are 2 hierarchies, one for transforms+meshes, and one for
bones(joints)+meshes.  Parenting a mesh to a bone apparently works on
export, but animations also are laggard.  Eventually, we will want to
parent HAnimSegments and HAnimSites that are not quite in Blender yet to
bones(joints).

I will continue with this problem until I give up, if anyone wants to lend
a hand.

On Thu, Jan 15, 2026 at 5:57 PM Don Brutzman via X3D-Ecosystem <
x3d-ecosystem at web3d.org> wrote:

> Yes, thanks for minutes, super helpful.  Sorry I missed the meeting, will
> like more carefully for invitation for next meeting.
>
> Some reactions:
>
> a. The "Castle Skin node" is an extension for that player.  A number of us
> looked carefully at that in a meeting.  There are some issues (e.g.
> overloading HAnimHumanoid skin field with a new node name) and relevant
> opportunities for further development to match the emerging examples for
> Coveroid design (i.e. clothing and apparel matching a Humanoid).  It will
> not be added as a draft node to the spec without further improvements, such
> as naming and more general purpose and not adding "node bloat" if there is
> no gap to be fixed.
>
>    - [hanim] Michalis Kamburelis to describe glTF conversion to X3D as
>    experimental Skin node; Friday 12 DEC 2025, 09-1000 pacific
>    -
>    https://web3d.org/mailman/private/h-anim_web3d.org/2025-December/002563.html
>    - I thought we recorded it on YouTube but am not finding link...
>
> b. As you map various Maya materials to X3D, please use the existing
> standard PBR nodes: PhysicalMaterial
> <https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4.1-CD/Part01/components/shape.html#PhysicalMaterial>
> and UnlitMaterial
> <https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4.1-CD/Part01/components/shape.html#UnlitMaterial>.
> As you do each of your conversion exports, please consider creating a
> simple set of test cases (Maya source or glTF source) that we can publish
> in the X3D Example Archives.  Such examples always answer a lot of
> questions.
>
> With the addition of Tangent node and EnvironmentLight nodes in X3D draft
> v4.1, we really have immense overlap and interoperability with glTF.
>
> c.  Thanks for returning Holger's X_ITE work on
>
>    -
>    https://web3d.org/pipermail/x3d-public_web3d.org/2024-June/020587.html
>    - https://create3000.github.io/x_ite/laboratory/gltf-sample-viewer
>
> Recommendation:  let's convert all of the materials into a new examples
> directory, making them easily available for Inline IMPORT or prototype
> reuse in other X3D scenes.
>
> Example approaches we did back in VRML days, still working (with material
> choices selectable, embedded in X3D-Edit authoring tool):
>
>    - X3D Example Archives: Basic, Universal Media Materials
>    -
>    https://www.web3d.org/x3d/content/examples/Basic/UniversalMediaMaterials
>
> and even
>
>    - X3D Example Archives: Basic, Universal Media Panoramas
>    -
>    https://www.web3d.org/x3d/content/examples/Basic/UniversalMediaPanoramas
>
> We have amazing capabilities in X3D and HAnim, happy to demonstrate
> continuing improvement.  Have fun!  😀
>
> all the best, Don
> --
> X3D Graphics, Maritime Robotics, Distributed Simulation
> Relative Motion Consulting  https://RelativeMotion.info
>
>
> On Wed, Jan 14, 2026 at 4:13 AM Michalis Kamburelis via X3D-Ecosystem <
> x3d-ecosystem at web3d.org> wrote:
>
>> Thanks for the minutes! It was good to see you all.
>>
>> From my side, I confirm the TODOs for me recorded in the minutes (1.
>> allow Group in Skin.shapes, 2. material extensions). Stay tuned :)
>>
>> Regards,
>> Michalis
>>
>> On Tuesday, January 13th, 2026 at 18:48, Bergstrom, Aaron via
>> X3D-Ecosystem <x3d-ecosystem at web3d.org> wrote:
>>
>> All,
>>
>>
>>
>> You can find the Ecosystem Minutes for today’s meeting here:
>>
>>
>> https://docs.google.com/document/d/1AbYjCP1s25fSXqx6Xt-_uQ6dVSKVYpNzqbTlwWS6p8s/edit?usp=drive_link
>>
>>
>>
>> Topics included:
>>
>>    - Global / Scoped Lighting in regard to DCC meshes with multiple
>>    materials that get exported as separate “Shape” nodes.
>>    - PBR Discussions with the glTF DamanagedHelmet example in Maya
>>    - Character Joint Heirarchies / Center Fields
>>
>>
>>
>> Aaron
>>
>>
>> --
>> X3D-Ecosystem mailing list
>> X3D-Ecosystem at web3d.org
>> http://web3d.org/mailman/listinfo/x3d-ecosystem_web3d.org
>>
> --
> X3D-Ecosystem mailing list
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>
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