[x3d-public] HAnimMotion Export Update for RawKee

[John Carlson]

I, too, had issues with large tables in Jaminate, and I couldn’t find a
solution.  Ultimately, my plan was to do editing in a spreadsheet program
like Libre Office, but there are limitations there as well, last I heard.

On Sun, Oct 26, 2025 at 10:50 PM Don Brutzman via x3d-public <
x3d-public at web3d.org> wrote:

> too cool, better and better - go Aaron go!
>
> i sympathize with GUI work, am still banging on proper X3D-Edit handling
> of a big values table...
>
> i agree with ongoing consideration of good practices for collecting
> animation nodes together with a humanoid.  In addition to the cases you
> describe, certainly the HAnimMotion node (and someday HAnimPose node) can
> work as embedded animations.
>
>    - Something to check in implementations: can HAnimMotion appear first
>    as DEF, and then be a USE node within the HAnimHumanoid.  I see nothing
>    preventing that in specifications.
>    - Something important to remember as part of animation node subgraph
>    patterns:  X3D allows an author plenty of flexibility.  The most useful
>    patterns allow reuse of parts... if you just want the Humanoid (or vice
>    versa, the Motion node), it is good to be able to extract just that.
>    - Synchronizing TimeSensor/MovieTexture/AudioClip with interpolators
>    and motions (and poses) should be no problem, we have a consistent
>    event-graph animation-chain model for all of the nodes - just add ROUTE
>    connections and triggers
>
> looking ahead, as we continue HAnim motion animation work and become more
> interoperable/robust, I can think of a few more interesting tasks to pursue:
>
> a.  when preparing to map joint names between HAnim joints and other forms
> (BVH etc.), produce a parsable set of data mappings
> b.  this approach could be basis for an importer/converter configurations
> between formats
> c.  also work on HAnimMotion conversion back to BVH so we can do
> round-trip testing and refinements, that is always an excellent test.
> d. building libraries of cool BVH conversions into HAnimMotion nodes,
> possibly as ExternProtoDeclare examples but more likely directly
> retrievable by EXPORT from original file, IMPORT/AS and USE in target model.
>
> all the best, Don
> --
> X3D Graphics, Maritime Robotics, Distributed Simulation
> Relative Motion Consulting  https://RelativeMotion.info
>
>
> On Sun, Oct 26, 2025 at 3:35 PM Bergstrom, Aaron via x3d-public <
> x3d-public at web3d.org> wrote:
>
>> All,
>>
>>
>>
>> I had over estimated how difficult it would be to account for joint
>> rotation order. I was already using the Maya matrix “asAxisAngle” function
>> to get SFRotation values, which already takes into account the current
>> Rotation Order before it spits out the Axis Angle value.
>>
>>
>>
>> It also turns out that the way I had previously implemented collection of
>> Interpolator data was done in a manner that easily allows for the
>> Interpolator data to be exported in the Scenegraph next to the item being
>> animated, or at the end of the file.
>>
>>
>>
>> So most of the work yesterday and today was just me hacking away at the
>> GUI.
>>
>>
>>
>> So now, all the following are possible, and will be available with the
>> next release:
>>
>>    - HAnimMotion export with whatever rotation order you like as long as
>>    the author uses the RawKee GUI to setup a compliant HAnim skeleton (either
>>    from scratch or as a companion export skeleton to an existing Maya
>>    skeleton).
>>    - HAnimMotion support for “translation and rotation” animation data
>>    for all (or selected) joint nodes.
>>    - TimeSensor/MovieTexture/AudioClip driven Interpolator animations
>>    for HAnim characters…
>>       - …under that humanoid’s “skin” field in a Group node that
>>       contains that animation’s timing nodes, Interpolators, and Routes. Not that
>>       anyone likes this option other than me. :D
>>       - …or at the end of the exported scenegraph in a Group that
>>       contains all of the same timing, interpolator, and route information.
>>
>>
>>
>> Aaron
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>>
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