[x3d-public] X3D Working Group meeting 8 DEC 2023: proposed charter improvements

Brutzman, Donald (Don) (CIV) brutzman at nps.edu
Wed Dec 13 09:37:16 PST 2023


Good points John.  When reviewing I will confer with Dick Puk to ensure that all of our terms of reference align correctly with ISO terminology.  Our X3D Standards Relationships diagram helps with that careful cross-checking.

 

*	https://www.web3d.org/specifications/X3dGraphicsStandardsRelationships.png

 

Thanks for your review and this suggestion.

 

When we get to that point of specification drafting, am expecting that our draft documents will

*	use ECMA standards for ECMAScript and JSON
*	ensure that X3D definitions for each of these are 100% interoperable (and likely identical).

 

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: Monday, December 11, 2023 9:05 AM
To: Extensible 3D (X3D) Graphics public discussion <x3d-public at web3d.org>
Cc: Brutzman, Donald (Don) (CIV) <brutzman at nps.edu>; consortium at web3d.org; x3d at web3d.org
Subject: Re: [x3d-public] X3D Working Group meeting 8 DEC 2023: proposed charter improvements

 

Looks good Don.   Note in section (b) that JSON is independent of JavaScript in many cases, so it’s ok to list them separately.  We can accomplish a JavaScript SAI without JSON, and we can accomplish a JSON encoding without JavaScript.  It may also be preferable to use ECMAScript instead of JavaScript.

 

On Mon, Dec 11, 2023 at 10:43 AM Brutzman, Donald (Don) (CIV) via x3d-public <x3d-public at web3d.org <mailto:x3d-public at web3d.org> > wrote:

Attendees Anita Havele, Vince Marchetti, Dick Puk, Don Brutzman.

 

The X3D Working Group meets each Friday 09-1000 pacific (12-1300 eastern).

 

*	https://us02web.zoom.us/j/81634670698?pwd=a1VPeU5tN01rc21Oa3hScUlHK0Rxdz09 <https://nam10.safelinks.protection.outlook.com/?url=https%3A%2F%2Fus02web.zoom.us%2Fj%2F81634670698%3Fpwd%3Da1VPeU5tN01rc21Oa3hScUlHK0Rxdz09&data=05%7C02%7Cbrutzman%40nps.edu%7C0a073250882642d185a408dbfa6b5e92%7C6d936231a51740ea9199f7578963378e%7C0%7C0%7C638379111285264610%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=%2BXCm0QRgxkRilA%2BDaSLEWKu7izNBH2M0wSQRxSBfbWY%3D&reserved=0>  
*	https://zoom.us/j/148206572 <https://nam10.safelinks.protection.outlook.com/?url=https%3A%2F%2Fzoom.us%2Fj%2F148206572&data=05%7C02%7Cbrutzman%40nps.edu%7C0a073250882642d185a408dbfa6b5e92%7C6d936231a51740ea9199f7578963378e%7C0%7C0%7C638379111285264610%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=1qQl6ejbcuUK%2B7vEfGll%2BtzCnmmf2msnz68MUV7lHYI%3D&reserved=0>   Password 483805 
*	https://www.web3d.org/member/teleconference-information 

 

We again looked at updating the X3D Working Group Charter for 2024.  Current charter is online at

 

*	https://www.web3d.org/working-groups/x3d

 

First section with suggested edits follows.  None of the current charter words are incorrect, am looking to simplify and make clearer:

 

 

Overview:

 

The Extensible 3D (X3D) Graphics Working Group forms the core of the provides the core technical foundation for all working groups within the Web3D Consortium. It is responsible for the development of specification of core technologies for the X3D suite of Specifications, and the integration of the maximum interoperability with related specifications for non-core technologies, and coordinating the technical aspects of all Web3D working group efforts broad deployment of interactive X3D models. The  <https://www.web3d.org/specifications/X3dGraphicsStandardsRelationships.png> X3D Graphics Standards: Specification Relationships graphic nicely diagram illustrates these capabilities the interaction and relationships between the various X3D specifications.

 

Interest in metaverse and augmented reality, improvements in high-quality audio and visual fidelity on any computer platform, and new support for multiple file encodings and programming languages including JSON and streaming binary are driving the broad deployment of interactive X3D4 models across the Web into new domains of real-time 3D human interaction development of the next revision of the standard. The Working Group is looking for people to help with these and other technical fields in creating the X3D V4.0 standard.

 

The wide-spread adoption of WebGL in all browsers is driving X3D into the future. The next generation of X3D (V4.0) will be embedded in the browser and support full interaction with the web page. It will include all of the features of X3D that are currently available plus new rendering, interaction, and device support all running in your browser, whether it is on your desktop or your phone. In addition to X3D continuing to work in non-browser environments.

 

Condensed:

 

The Extensible 3D (X3D) Graphics Working Group provides the core technical foundation for all working groups within the Web3D Consortium. It is responsible for development of the X3D suite of specifications, maximum interoperability with related technologies, and coordinating the broad deployment of interactive X3D models. The  <https://www.web3d.org/specifications/X3dGraphicsStandardsRelationships.png> X3D Graphics Standards: Specification Relationships diagram illustrates these capabilities.

 

Interest in metaverse and augmented reality, improvements in high-quality audio and visual fidelity on any computer platform, and new support for multiple file encodings and programming languages including JSON and streaming binary are driving the broad deployment of interactive X3D4 models across the Web into new domains of real-time 3D human interaction.

 

 

[The next proposed sections are updates from last week’s meeting and email discussion.]

 

X3D Working Group priorities for 2024 follow.

 

a.	Specifications Synchronization.  Update, review, implement and advance all corresponding X3D specifications for file encodings and language encodings, continuing rigorous attention to detail through Web3D Consortium, W3C, US INCITS H3, and ISO/IEC standards development organizations (SDOs).
b.	Implementations.  Provide a technical forum that encourages the greatest possible development for functionally complete X3D4 applications, authoring tools, and model converters such as Blender and MeshLab.  Pay special attention to implementations using Humanoid Animation (HAnim), glTF model import, Web Audio API and MIDI 2.0 capabilities for integrated spatial auralization, projective texture mapping, HTML5 integration, XML, JSON/JavaScript, Java, Python, C/C++/C#, compressed binary formats, and additional new X3D 4.0 features.  
c.	Publications.  Demonstrate how X3D can make 3D Graphics part of the modern Web by integrating with key infrastructure such as Web3D Conference series, Wikipedia, and other major publication resources.
d.	Innovation Foundation.  Show how Extensibility mechanisms for X3D can implement new capabilities in a standards-compatible way.  Much is possible, model correctness is validatable, and few barriers to exploration exist.
e.	Metaverse.  Support 3D Web Interoperability and Metaverse Standards Register groups in the Metaverse Standards Forum (MSF), implementing shared use cases to provide helpful feedback on successes and next-step goals.

 

These renewed priorities fit well as next steps in a quarter century of stable evolution using Virtual Reality Modeling Language (VRML) and X3D.

 

*	Past as Prologue.  The X3D Working Group carefully follows Web3D policies and procedures, integrating much public/private comment that is well documented in X3D email archives and Mantis issue tracker.  Both backwards compatibility and forwards extensibility have been carefully preserved throughout, enabling effective reuse of every VRML97 and X3D model for the past quarter century. Seventh in a specification series starting with VRML97, successful completion of the X3D 4.0 Architecture once again proves that this collaborative process is effective.

 

*	Present, 2024.  There is much capability in X3D 4.0 already that deserves broader implementation and exposure in high-capability models. Consequently we are deliberately not pursuing X3D 4.1 specification improvements with ISO/IEC in 2024.  Meanwhile we do encourage Innovation by emphasizing X3D extensibility mechanisms:  Inline, Script, Prototype, software libraries supporting source-code implementations that generate X3D, etc. etc.  New candidate nodes (such as Image Atlas) that rise to the level of broad usefulness can be formally considered as contributions to Web3D Recommended Practice.

 

*	Future, 2025+.  Once all of the corresponding X3D specifications have been updated to match X3D 4.0 architecture, development of a future X3D 4.1 specification revision will be possible.

 

 

What’s missing?  What’s unclear and might be better expressed?  What else do you need?

 

All improvements are welcome, a big year awaits us…

 

Thanks for considering the possibilities.  Have fun with X3D!  8)

 

 

all the best, Don

-- 

Don Brutzman  Naval Postgraduate School, Code USW/Br        brutzman at nps.edu <mailto: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

 

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