[x3d-public] Discussion: containerField for x3d.py XML export

[John Carlson]

I'm merely referring to view3dscene warnings about children
containerFields, attached.  Or just run tovrmlx3d --validate with a recent
copy of the .x3d file in the link I sent you.

John

On Sun, Sep 24, 2023 at 7:47 PM Joe D Williams <joedwil at earthlink.net>
wrote:

> > —the default, children, is not an acceptable to view3dscene.
>
>
>
> The first Joint uses containerfield skeleton,then the rest use children.
>
>
>
>
>
> -----Original Message-----
> From: Brutzman, Donald (Don) (CIV) <brutzman at nps.edu>
> Sent: Sep 24, 2023 12:48 PM
> To: John Carlson <yottzumm at gmail.com>
> Cc: Peitso, Loren (CIV) <lepeitso at nps.edu>, X3D Graphics public mailing
> list <x3d-public at web3d.org>
> Subject: Re: [x3d-public] Discussion: containerField for x3d.py XML export
>
>
>
> Thanks for continued troubleshooting.
>
>
>
> Please do not do anything with containerField handling in x3d.py since it
> is unique to XML encoding.
>
>
>
> If you encounter any incorrect handling, please provide a regular issue
> report that notes
>
>    - Model, in .x3d/.x3dv and also .py
>    - Error or warning that was encountered, relevant tools, etc.
>
>
>
> I can then isolate the problem and fix it.  When errors do occur, it is
> usually an error in the scene, but sometimes a simple omission of some sort
> somewhere deep in the code autogeneration of the library.
>
>
>
> p.s. also thanks for your recent issue reports on X3DJSAIL, very helpful.
> I have made a number of improvements this weekend, hoping to publish
> tonight.
>
>
>
> all the best, Don
>
> --
>
> Don Brutzman  Naval Postgraduate School, Code USW/Br
> brutzman at nps.edu
>
> Watkins 270,  MOVES Institute, Monterey CA 93943-5000 USA
> +1.831.656.2149
>
> X3D graphics, virtual worlds, navy robotics
> https://faculty.nps.edu/brutzman
>
>
>
> *From:* John Carlson <yottzumm at gmail.com>
> *Sent:* Sunday, September 24, 2023 11:34 AM
> *To:* Brutzman, Donald (Don) (CIV) <brutzman at nps.edu>; Michalis
> Kamburelis <michalis.kambi at gmail.com>; Peitso, Loren (CIV) <
> lepeitso at nps.edu>; X3D Graphics public mailing list <x3d-public at web3d.org>
> *Subject:* Discussion: containerField for x3d.py XML export
>
>
>
> First of all, great work on x3d.py, Loren and Don, I feel like I am
> polishing a diamond.
>
>
>
> I am considering adding the containerField attribute (not field) to XML
> output in x3d.py. This is mainly to support requirements of view3dscene.
> It complains if I don’t add the containerField attributes in HAnim
> (skeleton and joints containerFields, maybe more)—the default, children, is
> not an acceptable to view3dscene.  Also, not having a skin containerField
> is weird when dropping arbitrary Shape nodes into a HAnimHumanoid.
>
>
>
> Does adding the containerField attribute seem like a good idea, or should
> I push back on browser vendors?
>
>
>
> I plan to do something like I do for VRML when printing out joints and
> skeleton fields etc.  I won’t print out the containerField for obvious
> fields, i have a list of these somewhere…geometry, appearance, material,
> etc
>
>
>
> Should I allow the x3d.py app programmer to add a containerField
> attribute, or should I compute it as best i can, and save browser vendors
> the pain?
>
>
>
> I think what this means is passing an optional parameter to some
> each.XML() method calls.
>
>
>
> After writing this message, the answer seems obvious.
>
>
>
> Comments?
>
>
>
> John
>
>
>
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