[X3D-Ecosystem] Fwd: RawKee Update - Implemented a companion export script for x3d.py

[John Carlson]

AFAIK, joints field, sites field, and segments field are of type MFNode,
not MFString.

If we just include name field in the SFNodes, great.  That’s not what
X3dToPython.xslt and/or x3d.py do.

John

On Thu, Mar 6, 2025 at 6:35 AM Joe D Williams <joedwil at earthlink.net> wrote:

> Right castle throws a non-fatal error and adds the 'joints' list.
>
> All of joints field and segments field and sites field should all be
> treated same.
>
> Simple to just include 'name' field instead of the USE syntax.
>
> Joe
>
>
>
>
>
> ;
>
> -----Original Message-----
> From: John Carlson <yottzumm at gmail.com>
> Sent: Mar 5, 2025 10:18 PM
> To: Joe D Williams <joedwil at earthlink.net>
> Cc: X3D Ecosystem public discussion <x3d-ecosystem at web3d.org>
> Subject: Re: [X3D-Ecosystem] Fwd: RawKee Update - Implemented a companion
> export script for x3d.py
>
>
> Castle not quite ignores the missing joints.
>
>   [image: image.png]
>
> On Wed, Mar 5, 2025 at 11:54 PM Joe D Williams <joedwil at earthlink.net>
> wrote:
>
>> castle ignores if missing, but adds joints field for export
>>
>> -----Original Message-----
>> From: John Carlson <yottzumm at gmail.com>
>> Sent: Mar 5, 2025 5:54 PM
>> To: Joe D Williams <joedwil at earthlink.net>, X3D Ecosystem public
>> discussion <x3d-ecosystem at web3d.org>
>> Subject: Re: [X3D-Ecosystem] Fwd: RawKee Update - Implemented a companion
>> export script for x3d.py
>>
>>
>> I will try to check the latest castle-model-viewer and
>> castle-model-converter.  If they ignores the missing joints field, we’re
>> good.
>>
>> Also, I will look at joints in X3DUOM to see if the joints field is
>> required.
>>
>> John
>>
>> On Wed, Mar 5, 2025 at 1:41 PM Joe D Williams <joedwil at earthlink.net>
>> wrote:
>>
>>> Hi John,
>>>
>>>
>>>
>>> ‘joints’ is that silly field child of Humanoid that lists the Joint
>>> nodes with a list collection of USE notations.
>>>
>>>
>>>
>>> ‘joints’ is not a field of skeleton. It is a field of Humanoid.
>>>
>>>
>>>
>>> So, Humanoid and Joint are nodes while skeleton is a node type
>>>
>>> (otherwise called a 'container')
>>>
>>> Same as the keyword 'geometry' is a node type and IndexedFaceSet is a
>>> node name.
>>>
>>>
>>>
>>> skin is also a container, could be called a node type.
>>>
>>>
>>>
>>> The node type says what node names can appear in the container.
>>>
>>> The node name says what data is in the node.
>>>
>>>
>>>
>>> So:
>>>
>>> There are two container fields for HAnimJoint, ‘skeleton’ (for the first
>>> one, the root),
>>> and ‘children’ (default for the rest of the Joint hierarchy).
>>>
>>> See, when you look at the Classic, the name of the 'nodetype'
>>> (containerfield) is the first text and then in the xml it gets to be
>>> containerfield='nodetype'
>>>
>>>
>>> Done that way to eliminate the need for wrapper tags (maybe called
>>> container tags) in the xml, if I recall.
>>>
>>> In xml, we get an attr rather than a tag; thank goodness for all good
>>> favors.
>>>
>>>
>>>
>>> All Fine,
>>>
>>> Joe
>>>
>>> -----Original Message-----
>>> From: X3D Ecosystem public discussion <x3d-ecosystem at web3d.org>
>>> Sent: Mar 5, 2025 10:53 AM
>>> To: X3D Ecosystem public discussion <x3d-ecosystem at web3d.org>
>>> Cc: John Carlson <yottzumm at gmail.com>
>>> Subject: [X3D-Ecosystem] Fwd: RawKee Update - Implemented a companion
>>> export script for x3d.py
>>>
>>>
>>> Correction.
>>>
>>> ---------- Forwarded message ---------
>>> From: John Carlson <yottzumm at gmail.com>
>>> Date: Wed, Mar 5, 2025 at 12:44 PM
>>> Subject: Fwd: [X3D-Ecosystem] RawKee Update - Implemented a companion
>>> export script for x3d.py
>>> To: X3D Ecosystem public discussion <x3d-ecosystem at web3d.org>
>>>
>>>
>>> There are three container fields for HAnimJoint, ‘skeleton’, ‘children’
>>> (default) and ‘joints’.  I don’t disagree with Joe.
>>>
>>> Until tools ignore the missing joints field, it’s still with us.
>>>
>>> John
>>> On Wed, Mar 5, 2025 at 12:22 PM Joe D Williams <joedwil at earthlink.net>
>>> wrote:
>>>
>>>> Only the first Joint, root, has containerField 'skeleton'
>>>>
>>>> All other child Joints are containerField 'children'
>>>>
>>>>
>>>>
>>>> the keyword 'skeleton' is not a Node, it is a container, a type
>>>>
>>>>
>>>>
>>>> Classic
>>>>
>>>>
>>>>
>>>>  skeleton [
>>>>     DEF Joe_HumanoidRoot ...Joint ...
>>>>
>>>>  ]
>>>>
>>>>
>>>>
>>>> xml
>>>>
>>>> <Joint  DEF='Joe_HumanoidRoot' ...  containerField='skeleton'
>>>>
>>>>
>>>> HAnimHumanoid is a node, not a type.
>>>>
>>>>
>>>>
>>>> Joe
>>>>
>>>>
>>>>
>>>> -----Original Message-----
>>>> From: X3D Ecosystem public discussion <x3d-ecosystem at web3d.org>
>>>> Sent: Mar 5, 2025 10:06 AM
>>>> To: John Carlson <yottzumm at gmail.com>
>>>> Cc: Bergstrom, Aaron <aaron.bergstrom at und.edu>, X3D Ecosystem public
>>>> discussion <x3d-ecosystem at web3d.org>
>>>> Subject: Re: [X3D-Ecosystem] RawKee Update - Implemented a companion
>>>> export script for x3d.py
>>>>
>>>>
>>>>
>>>> I suppose I could do a quick check to see if the root node in the
>>>> ‘skeleton’ field has DEF=’somestring’ defined. And if so, and only then
>>>> perform the flip.
>>>>
>>>>
>>>>
>>>> That would make it more portable.
>>>>
>>>>
>>>>
>>>> *From:* John Carlson <yottzumm at gmail.com>
>>>> *Sent:* Wednesday, March 5, 2025 11:50 AM
>>>> *To:* Bergstrom, Aaron <aaron.bergstrom at und.edu>
>>>> *Cc:* X3D Ecosystem public discussion <x3d-ecosystem at web3d.org>
>>>> *Subject:* Re: [X3D-Ecosystem] RawKee Update - Implemented a companion
>>>> export script for x3d.py
>>>>
>>>>
>>>>
>>>> Just to be aware, if skeleton comes before joints, then this code would
>>>> flip them.  You need to compare jIdx to sIdx before flipping them, AFAIK.
>>>> I realize that you’ve ordered them properly elsewhere.
>>>>
>>>
>>>>
>>>>
>>>>
>>>> On Wed, Mar 5, 2025 at 10:57 AM Bergstrom, Aaron <
>>>> aaron.bergstrom at und.edu> wrote:
>>>>
>>>>
>>>>
>>>> if nType == "HAnimHumanoid":
>>>>
>>>> jIdx = -1
>>>>
>>>> sIdx = -1
>>>>
>>>> for idx in range(len(mNodeList)):
>>>>
>>>> if mNodeList[idx] == "joints":
>>>>
>>>> jIdx = idx
>>>>
>>>> elif mNodeList[idx] == "skeleton":
>>>>
>>>> sIdx = idx
>>>>
>>>> if sIdx != -1 and jIdx != -1:
>>>>
>>>> mNodeList[jIdx] = "skeleton"
>>>>
>>>> mNodeList[sIdx] = "joints"
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>
>>>
>>
>>
>
>
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