[x3d-public] JinLOA4.x3d, Blender, ChatGPT work

John Carlson yottzumm at gmail.com
Thu May 4 20:40:34 PDT 2023

Okay!   I got *an* armature/skeleton loaded into bpy.data.objects in
blender, using the shift+a (add?) keystroke in Blender, I don't have the
link now.  There are some menus that pop up, select Armature on 1 or 2.   I
believe that adds an empty armature (one empty bone).  Does anyone have a
.blend file with an HAnim skeleton/armature in it?

All I'm trying to do is move a skeleton to the origin between its feet at
this point, for any skeleton.

If no one has suggestions soon, I will move back to doing this in
JavaScript/JSON HAnim, which may not be quite as useful.   I will look at
X3D-Edit next.

Long term, I want to use something like a humanoid tied to



On Thu, May 4, 2023 at 9:55 PM John Carlson <yottzumm at gmail.com> wrote:

> I'm guessing there's something that the Koreans, Nicholas Polys, and
> Gina-Lauren using for editing skeletons (HAnim nodes). I got stymied in my
> attempts at loading an HAnim Armature/skeleton (JinLOA4.x3d) into Blender
> with the X3D import button.   Does anyone have code to load an HAnim
> Armature/skeleton, or have another modeling environment and/or file format
> which loads HAnim Armatures/skeletons and makes it available for scripting
> (I want to bring the skeleton to origin)? X3D-Edit?
> I'm pretty bamboozled why HAnim is not fully supported in Blender.  Should
> I start putting in effort there, or use X3D-Edit?
> What is the format that people use for rigging/skinning that one can bring
> into popular tools?  FBX?  glTF?   USD?  Are those all triangle based?
> It would also be good information to plug into ChatGPT so that mere
> mortals don't go down some rabbit hole.
> ChatGPT--Not usable with Blender HAnim Armatures right now (at least HAnim
> 2.0).  Armatures are NOT loaded into bpy, AFAICT.  I did see some
> referenced to adding an armature at index -1?  But not really clear on how
> that works.  I'd just like to load in an HAnim file (with import) and get
> the armature to show up with this script, or a modification of this script:
> armature_obj = bpy.data.objects
> print(armature_obj)
> for arm in armature_obj:
>     print(arm.type, arm.name)
> On Thu, May 4, 2023 at 8:00 PM John Carlson <yottzumm at gmail.com> wrote:
>> I'll be working on offsetting JinLOA4.x3d to the origin tonight.  I'll
>> try to get to scaling tomorrow.
>> Note that I'm only shifting the skeleton, not geometry, so that's an
>> issue.  We're trying to get centers for HAnimJoints in hands and feet.
>> I'll probably post blender/python code and offset JinLOA4.x3d tonight.
>> If anyone knows the Joints to average to find offset to move to origin,
>> that would be terrific.  I'll look through my code as well.
>> John
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