[X3D-Ecosystem] RawKee - Bare Bones Importer for HAnim

[John Carlson]

Isn’t there an out-of-the box glTF exporter?

John

On Wed, Jul 30, 2025 at 11:08 PM Bergstrom, Aaron via X3D-Ecosystem <
x3d-ecosystem at web3d.org> wrote:

> Joe,
>
>
>
> The joint center values come from JinLOA(1-4) JSON files found here:
>
> https://www.web3d.org/x3d/content/examples/HumanoidAnimation/
>
>
>
> The “humanoid_root” joints are there. However, the bone wireframes
> displayed in Maya are based on the rotation pivot (aka HAnimJoint ‘center’
> field).
>
>
>
> I’m guessing that you might be expecting bone wireframe to start it’s
> render at the grid origin? IDK… we can discuss it at the next HAnim group
> meeting to determine if I have it wrong.
>
>
>
> Could they be exported as glTF? Probably, but it’ll be a while before I
> get around to exporting to that format.
>
>
>
> 10-ish years ago, I tried to write an X3D/glTF exporter (that I called
> BaconXjF) completely in MEL to support export from Maya LT.
>
> https://github.com/flickertail/bcn
>
> https://web3d.org/pipermail/x3d-public_web3d.org/2015-April/003317.html
>
>
>
> Back then though, I didn’t’ have the freedom at work to develop an
> exporter the way I do now.
>
>
>
> I don’t really remember anything at all about how the glTF format works.
> But I suppose it would be easier in Python.
>
>
>
> I’m willing to collaborate with another programmer to implement a glTF
> exporter for RawKee. Or collaborate on a funding proposal to hire a
> programmer.
>
>
>
> But I’m largely working on RawKee in my free time after work, so I don’t
> have any spare time in the foreseeable future for that.
>
>
>
> Aaron
>
>
>
> *From:* X3D-Ecosystem <x3d-ecosystem-bounces at web3d.org> *On Behalf Of *Joe
> D Williams via X3D-Ecosystem
> *Sent:* Wednesday, July 30, 2025 8:49 PM
> *To:* X3D Ecosystem public discussion <x3d-ecosystem at web3d.org>; X3D
> Ecosystem public discussion <x3d-ecosystem at web3d.org>
> *Cc:* Joe D Williams <joedwil at earthlink.net>
> *Subject:* Re: [X3D-Ecosystem] RawKee - Bare Bones Importer for HAnim
>
>
>
> > shared image link below and tell me if I got it correct
>
>
>
> looks like there is no skeleton root node.
>
> Std LOA?
>
> Thanks,
>
> Joe
>
>
>
>
>
>
>
>
>
> -----Original Message-----
> From: X3D Ecosystem public discussion <x3d-ecosystem at web3d.org>
> Sent: Jul 28, 2025 7:43 PM
> To: X3D Ecosystem public discussion <x3d-ecosystem at web3d.org>
> Cc: John Carlson <yottzumm at gmail.com>
> Subject: Re: [X3D-Ecosystem] RawKee - Bare Bones Importer for HAnim
>
>
>
> One can view .x3dj files in Sunrize, and renaming them to .json, view them
> in X3DOM.  I am working on a X3D JSON viewer for CGE.
>
>
>
> You can also paste JSON into X_ITE Playground, I think.
>
>
>
> IDK, looks good to me.   Do you have an original file?
>
>
>
> Also, if you want to test JSON on the web, there’s this, which may be
> difficult to use (betaware):
>
>
>
> https://coderextreme.net/X3DJSONLD/src/main/html/responsive.html
>
>
>
>
>
> On Mon, Jul 28, 2025 at 6:59 PM Bergstrom, Aaron via X3D-Ecosystem <
> x3d-ecosystem at web3d.org> wrote:
>
> All,
>
>
>
> Now that I’m back from vacation, I was able to find time to make some
> progress on the RawKee exporter.
>
>
>
> I’ve been focusing on HAnim. I’ve got a fairly good Advanced Skeleton
> export working, and I wrote a rudimentary X3DJ importer so I could import
> LOA1-4 skeletons into Maya.
>
>
>
> I think the importer is working correctly, but these skeletons aren’t what
> I was expecting.
>
>
>
> Can someone look at this shared image link below and tell me if I got it
> correct.
>
>
> https://drive.google.com/file/d/1AfmqllL8BPf5cok3PwkPGUBwAZaQ7VFf/view?usp=sharing
>
>
>
> Thanks
>
>
>
>
>
> Aaron
>
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>
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