[x3d-public] X3D meeting minutes 28 July 2022: X3D4 Scene Access Interface (SAI) review

Fri Jul 29 13:01:29 PDT 2022

I think there’s a potential 3rd use case for SAI, and that’s for creating
views of the model hierarchy, for use with X3DOM and X_ITE.

On Fri, Jul 29, 2022 at 12:19 PM Brutzman, Donald (Don) (CIV) <
brutzman at nps.edu> wrote:

> There was a meeting of X3D Working Group on Friday 29 July 2022 at 09-10
> pacific.  Connection information and topics follow.
>
>
>
> Attendees: Anita Havele, Doug Sanden, Don Brutzman.  Prior review and
> inputs: Dick Puk.  Thanks!
>
>
>
>    -
>    https://us02web.zoom.us/j/81634670698?pwd=a1VPeU5tN01rc21Oa3hScUlHK0Rxdz09
>    - https://zoom.us/j/148206572  Password 483805
>    - https://www.web3d.org/member/teleconference-information
>
>
>
>    1. Doug Sanden described a lot of work he has going on with FreeWrl
>    code review, upgrading for X3D4.  Expect to hear more on the mailing list
>    as he progresses.
>
>
>
>    - http://freewrl.sourceforge.net
>
>
>
>    1. *Web3D 2022* Confirmation (2-4 November 2022, Paris) Call for
>    Papers – real soon now!
>
>
>
>    - https://web3d.siggraph.org
>
>
>
> The* 27th International Conference on 3D Web Technology*, sponsored by ACM
> SIGGRAPH <https://www.siggraph.org/> in cooperation with the Web3D
> Consortium <https://www.web3d.org/>, is hosted by Telecom SudParis
> <https://www.telecom-sudparis.eu/>.
>
>
>
> Important dates:
>
>
>
>    - https://web3d.siggraph.org/important-dates
>    - *Saturday 30 July*:      Papers and Interactive Posters
>    - *Monday August 29: *Tutorials, Industrial Use Cases, Workshops,
>    Competition.
>
>
>
> Authors are invited to submit original work presenting fundamental
> research, practice and experiments, or novel applications, in all areas of
> 3D graphics on the web and related topics therein.
>
>
>
>    1. SIGGRAPH activities: multiple big events this week!
>
>
>
>    1. *Web3D Ecosystem and the Metaverse - SIGGRAPH 2022 BOF*
>
>
> https://www.web3d.org/news-story/web3d-ecosystem-and-metaverse-siggraph-2022-bof
>
> https://s2022.siggraph.org/presentation/?id=bof_136&sess=sess335
>
> https://www.web3d.org/event/web3d-bof-siggraph-2022
>
> https://twitter.com/Web3DConsortium/status/1553065575512911876
>
> Join the Web3D Consortium for a discussion on how our technology
> contributes to the Metaverse. From Interactive Real-Time 3D, to Mixed
> Reality and Humanoid Animation (HAnim), everything we do in 3D is
> significant to an open Metaverse. See how our members are scaling expertise
> in 3D, Modeling and Simulation, Geospatial, Augmented Reality, and Web
> Audio towards an open, interoperable Metaverse. Our extensible 3D
> presentation layer brings 3D content from different domains from across the
> WWW into rich, interactive 3D worlds.
>
>
>
>    1. *ACM SIGGRAPH Cartographic Visualization (Carto) Birds of a Feather*
>
> https://s2022.siggraph.org/presentation/?id=bof_101&sess=sess155
>
> The ACM SIGGRAPH Cartographic Visualization (Carto) session explores how
> viewpoints and techniques from the computer graphics community can be
> effectively applied to cartographic and spatial data sets.  Speakers
> demonstrate their latest tools and application efforts.
>
>
>
>    1. *Immersive Visualization for Research, Science and Art*
>
> https://s2022.siggraph.org/presentation/?id=bof_128&sess=sess328
>
> Traditionally, this session is on immersive visualization systems for
> science and research, scientific visualization information visualization,
> art and science. Invited speakers and panel discuss newest initiatives and
> developments in visualization space.  Presentations included Nicholas Polys
> on durability of X3D.
>
> Tomasz Bednarz, NVIDIA and William Sherman, NIST
>
>
>
>    1. *Annual ISO/IEC JTC-1 SC24 meeting – progress report*.
>
>
>
> Under discussion, for all hours of day/night interspersed over a 4-week
> period, are many topics.  X3D4, Smart Cities, VR/AR/MAR/XR,
> virtual/augmented reality health and safety, more.  Next week will see
> finalization of committee conclusions and recommendations.
>
>
>
>    1. X3D4 Scene Access Interface (SAI) Review
>
>
>
> Our “specification mosaic” diagram shows how all the many X3D-related
> specifications fit together.
>
>
>
>    - X3D Graphics Standards Relationships
>    -
>    https://www.web3d.org/specifications/X3dGraphicsStandardsRelationships.png
>
>
>
> With the X3D4 Draft International Standard (DIS) complete and undergoing
> national-body balloting by ISO/IEC, it is time to turn our sights on X3D4
> SAI.  This document forms the abstract-API reference and common basis for
> numerous other X3D APIs including EcmaScript (JavaScript), Java, Python, C,
> C#, C++.
>
>
>
>    - Information technology — Computer graphics, image processing and
>    environmental data representation — Extensible 3D (X3D) —
>    - Part 2: Scene access interface (SAI) ISO/IEC 19775-2:2015
>    - https://www.web3d.org/documents/specifications/19775-2/V3.3
>    - X3D is a file format and related access services for describing
>    interactive 3D objects and worlds. X3D is designed to be used on the
>    Internet, intranets, and local client systems. X3D is also intended to be a
>    universal interchange format for integrated 3D graphics and multimedia. X3D
>    may be used in a variety of application areas such as engineering and
>    scientific visualization, multimedia presentations, entertainment and
>    educational titles, web pages, and shared virtual worlds.
>    - This part of ISO/IEC 19775 defines the scene access interface that
>    can be used to interact with X3D worlds both from within the worlds or from
>    external programs.
>
>
>
> Based on review/revision of X3D SAI 3.3 in 2015, led by Dick Puk and
> myself for Web3D and ISO, this document is pretty mature.  I have performed
> a careful document review, available at
>
>
>
>    -
>    https://www.web3d.org/specifications/X3dSaiReviewCommentsJuly2022.reduced.pdf
>    (14MB)
>
>
>
> Under consideration, of general interest for future discussion:  can we
> help distinguish between different primary use cases, namely
>
>    1. Browser services (the current primary emphasis),
>       2. Script node source code (sorta implicit), and
>       3. Simple subset API used for model creation and authoring, no live
>       browser interactions needed.
>
>
>
> If we get clearer about those three use cases, it may help all of our X3D
> SAI APIs be clearer and more useful.
>
>
>
> Request all interested parties look over this comments review.  Next
> go-forward step will be putting X3D4 SAI into Github version control for
> Web3D Consortium members.
>
>
> Thanks for all input and participation.
>
>
>
> Have fun with finishing Web3D 2022 papers/posters, watching SIGGRAPH
> videos, and (deep breath) X3D4 SAI review!  8)
>
>
>
> 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
>
>
> _______________________________________________
> x3d-public mailing list
> x3d-public at web3d.org
> http://web3d.org/mailman/listinfo/x3d-public_web3d.org
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://web3d.org/pipermail/x3d-public_web3d.org/attachments/20220729/2a869042/attachment-0001.html>