[x3d-public] Transforms -> HAnimJoints

[John Carlson]

Doug,

I've merged your copy of the X3DV blender plugin, here: dug9/BlenderX3DSupport
(github.com) <https://github.com/dug9/BlenderX3DSupport>.  Seems like
you're going for a totally new plugin, seeing the differences between your
version and the Web3DConsortium version.  If I work on X3DV, I will issue
pull requests to your branch, so you can review, and forward onto the main
branch.  Meanwhile, I'm going to work on obj.type == 'ARMATURE' for the XML
plugin!

On Fri, Aug 25, 2023 at 1:36 PM GPU Group <gpugroup at gmail.com> wrote:

> John, that's great we'll need you.
> I haven't worked on the blender exporter in weeks, you are welcome to
> start that HAnim export part if you like.
> https://github.com/dug9/BlenderX3DSupport
> Right now I'm struggling to load .bvh files at random with bvhacker
> https://github.com/DaveDubUK/bvhacker as a cleaning tool.  There are lots
> of recorded bvh motion files to download and use. But even bvhacker needs
> work -- for example ensuring  Y-UP (blender exports .bvh Z-UP), mapping to
> HAnim LOA names/selecting the right LOA, ARMS_DOWN default pose.
> For example when using a T-pose .bvh file (the T geometry is recorded in
> the OFFSETs field and angles are relative to that pose) on an ARMS_DOWN
> HAnim, the shoulder/arm rotations aren't correct. BVHacker does some
> channel swapping X--Y, but similar technique in freewrl doesn't work
> reliably (yet).
> SUMMARY: I'm in the same zone with the hanim transforms but stuck back a
> few steps in getting freewrl to play a .bvh with good shoulder animation.
> So stuck for a while but open to coordinating with you on HAnim and blender
> exporter.
> -Doug
>
> On Fri, Aug 25, 2023 at 12:21 PM John Carlson <yottzumm at gmail.com> wrote:
>
>> Doug,
>>
>> I have some code I've been working on that converts VRML Transforms
>> with DEFs to HAnimJoints.  Maybe we should collaborate on Hanim Blender
>> export. I'm also looking for something that will apply transforms to joint
>> centers, if you have something tested and separate from FreeWRL.
>>
>> Thanks,
>>
>> John
>>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://web3d.org/pipermail/x3d-public_web3d.org/attachments/20230916/3120929b/attachment-0001.html>