[x3d-public] X3D minutes 17 MAR 2023: Web3D 2023 Conference Call for Participation CFP, X3D 4.0 editorial comments review
Brutzman, Donald (Don) (CIV)
brutzman at nps.edu
Fri Mar 17 10:09:01 PDT 2023
Attendees: William Glascoe, Anita Havele, Vince Marchetti, Dick Puk, Doug
Sanden, Don Brutzman.
The X3D Working Group meets weekly on Fridays 09-1000 Pacific on Web3D
Consortium zoom channel. Telcon information:
* https://us02web.zoom.us/j/81634670698?pwd=a1VPeU5tN01rc21Oa3hScUlHK0
Rxdz09
* https://zoom.us/j/148206572 Password 483805
* https://www.web3d.org/member/teleconference-information
1. X3D 2023 goals. Our primary activities for X3D Working Group in
2023 are focused on broad and correct deployment.
a. Encourage consistent rendering, interaction and usage for the many
tremendous capabilities in X3D4.
b. Update ISO specifications and implementations for multiple
programming languages and file encodings to match X3D4.
2. Web3D 2023 Conference
Call for papers now available. What a powerful program!
* Web3D 2023, 9-11 October 2023, Vicomtech
* San Sebastian Spain, In-person and Online
* https://web3d.siggraph.org
* https://web3d.siggraph.org/cfp
Towards interconnectivity of Metaverses
The purpose of the 28th International ACM Conference on 3D Web Technology
(Web3D 2023) is to study and share the principles and the latest
advancements in connected 3D universes. Provide navigation metaphors that
allow users to move seamlessly from one virtual world to another.
The goal of the conference and of the Web3D community, which has a rich
history of developing technologies that enable the creation, transmission,
access, interaction, sharing, and visualization of 3D universes. Bringing
together a diverse group of individuals to share innovative and influential
thoughts on how the metaverse can revolutionize the future of
communications. This includes topics such as 3D applications and services
accessible through a wide range of devices, from simple mobile phones to
more complex systems such as AR/VR headsets, and heavily populated virtual
worlds, especially those connected through high-speed, low-latency networks.
The 28th International ACM Conference on 3D Web Technology (Web3D 2023) is a
major event for the Metaverse community. Sponsored by ACM SIGGRAPH, in
cooperation with Web3D Consortium and supported by Eurographics, this
conference is hosted by Vicomtech and brings together experts from around
the world to discuss the latest research, development, and practices related
to the Metaverse.
It will be really interested if we can start collecting and disseminating 3D
models as part of the publication process. Anyone interested?
3. X3D 4.0 editors-draft IS.review preparation now in progress
Have begun applying changes from editors review of DIS spec, in preparation
for final IS submission to ISO. Many changes are complete, several pending
ISO comments require lengthy double-checking. Marked-up specification
draft visible at
* https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4-IS.
review
As before, each comment is being resolved in Mantis. Mantis issues are not
closed until reviewed together. Specification changes are checked into
GitHub.
* Mantis issue resolution
* https://www.web3d.org/member-only/mantis/view_all_bug_page.php
* Review draft
* https://github.com/Web3DConsortium/X3D/tree/master/ISO-IEC19775/ISO-
IEC19775-1/ISO-IEC19775-1v4.0/ISO-IEC19775-1v4-IS.review
* Editors comments
* https://github.com/Web3DConsortium/X3D/blob/master/ISO-IEC19775/ISO-
IEC19775-1/ISO-IEC19775-1v4.0/ISO-IEC19775-1v4-DIS.ISO/Disposition%20of%20Co
mments%20on%20ISO_IEC_DIS_19775-1_(Ed_4).pdf
When these changes are all complete and reviewed satisfactorily, I will
again fire up the build scripts to scrub all style markup appropriately, to
create a separate pristine version for ISO submission.
4. X3D4 Sound Component review
* Minutes 3 MAR 2023: X3D4 Sound Component and W3C Audio API review
* https://web3d.org/pipermail/x3d-public_web3d.org/2023-March/018574.h
tml
Dick Puk sent a message to Web3D member-only X3D list about only accepting
editorial/errata changes at this late date of X3D 4.0 finalization. Thanks
for that.
* [x3d] Recent discussions about changes to the X3D 4.0 Sound
Component
Issues that will get resolved in this final editing phase:
* clarifications needed in prose for 16.4.13 ListenerPointSource and
16.4.18 SpatialSound nodes.
* https://www.web3d.org/member-only/mantis/view.php?id=1436
* “If the dopplerEnabled field is TRUE, then sound sources which are
moving spatially in the transformation hierarchy, relative to the location
of the ListenerPointSource node, shall be modified by applying
velocity-induced frequency shifts corresponding to Doppler effect.”
* Correcting mistaken type, also for specification consistency: SFTime
* DynamicsCompressor : X3DSoundProcessingNode {
SFFloat [in,out] attack 0.003 [0,∞)
SFTime [in,out] release 0.25 [0,∞)
* https://www.web3d.org/member-only/mantis/view.php?id=1436
* Convolver buffer[] array is quite difficult to use, allowing
AudioClip as an alternative seems like an obvious (previously overlooked)
remedy.
* We decided to wait and fix it later, along with other likely
refinements to the Sound component, to best align with Web Audio API. It is
related to handling of multiple-channel sound sources.
* SFInt32 number of channels to go with buffer in Convolver?
* This is not explicitly described in specification, but implicit in
handling of the child nodes (such as BufferAudioSource).
* Need for editorial clarification accepted.
* We will look in Web Audio API and see if there is useful prose to
paraphrase in Convolver that helps to clarify the handling of
number-of-channel questions. Otherwise we’ll create appropriate prose.
Doug has next crack at this.
As described in previous meetings, I will be looking for one or two
co-chairs who can begin documenting Web3D Best Practices and suggested new
capabilities for X3D 4.0. As ever, discussion on x3d-public mailing list
and synopses in Mantis Issue Tracker will be the means for ensuring that all
good consensus approaches are captured and advanced.
5. Comment reconciliation
Dick Puk and I will review correct completion and resolve each of the
following applied comments.
Id
Project
Tags
Status
Severity
Summary
1436
X3D
V4.0 Resolution
assigned
minor
Sound component editorial clarifications
1435
X3D
V4.0 Resolution
assigned
minor
cross-link AcousticProperties from Sound component to Shape component
1434
X3D
V4.0 Resolution
assigned
minor
DIS editors disposition: annex citations
1433
X3D
V4.0 Resolution
assigned
minor
DIS editors disposition: glossary, replace 'abbreviations' with 'abbreviated
terms'
1432
X3D
V4.0 Resolution
assigned
minor
DIS editors disposition: clause 3, definitions introductory paragraph
1431
X3D
V4.0, V4.0 Resolution
assigned
minor
indicating references are required
1430
X3D
V4.0 Resolution
assigned
minor
DIS editors disposition: general comment 10, references introductory
paragraph
1429
X3D
V4.0 Resolution
assigned
minor
DIS editors disposition: general comment 9, foreward, additional note on
feedback
1428
X3D
V4.0 Resolution
assigned
minor
DIS editors disposition: general comment 8, foreword list of changes
1427
X3D
V4.0 Resolution
assigned
minor
DIS editors disposition: general comment 7 Foreword boilerplate
1426
X3D
V4.0 Resolution
assigned
minor
DIS editors disposition: general comment 5, title structure
1425
X3D
V4.0 Resolution
assigned
minor
DIS editors disposition: general comment 4, code font
1424
X3D
V4.0 Resolution
assigned
minor
DIS editors disposition: general comment 3, Introduction and TOC
1423
X3D
V4.0 Resolution
assigned
minor
DIS editors disposition: general comment 2, correct verbal forms
1422
X3D
V4.0 Resolution
assigned
minor
DIS editors disposition: general comment 1 "this document"
1420
X3D
V4.0 Resolution, V4.1
assigned
major
Missing 5 enumeration sets (and likely fields) from Web Audio interfaces
1419
X3D
V4.0 Resolution
assigned
minor
rename “Texture Projector component” as “Texture Projection component”
1418
X3D
V4.0 Resolution
assigned
major
Ambiguity about texture coordinate generation
1417
X3D
V4.0 Resolution
assigned
minor
versionContent document-index table incomplete
1415
X3D
V4.0 Resolution
assigned
minor
26.3.4 HAnimMotion field issues: name, skeletalConfiguration,
totalNumberFrames
1414
X3D
V4.0 Resolution
assigned
minor
26.3.4 HAnimMotion node signatures
1413
X3D
V4.0 Resolution
assigned
text
Misspelled node name: IndexedFanSet should be IndexedTriangleFanSet
1411
X3D
V4.0 Resolution
assigned
minor
enumeration values for Web Audio nodes do not follow CAPITALIZATION
conventions
1410
X3D
V4.0 Resolution
assigned
major
HAnimHumanoid skin definitions need to assign textures via Shape, Group,
Switch etc.
1408
X3D
V4.0 Resolution
assigned
feature
CollisionCollection and HAnimMotion nodes are each missing description field
1407
X3D
V4.0 Resolution
assigned
minor
Collision element (and other elements) missing description field in Version
Content
1406
X3D
V4.0 Resolution
assigned
minor
25.3.6 GeoOrigin description is awkwardly phrased
1405
X3D
V4.0 Resolution
assigned
minor
39.3.2 X3DDamperNode has erroneous extra characters
1404
X3D
V4.0 Resolution
assigned
minor
39.4.6 OrientationDamper, incorrect word 'orientation' vice 'rotation'
1403
X3D
V4.0 Resolution
assigned
minor
Insufficient description for HAnimJoint
1402
X3D
V4.0 Resolution
assigned
minor
Insufficient description for HAnimSegment
1401
X3D
V4.0 Resolution, V4.1
assigned
minor
formally adding values to align X3D4 LineProperties with Quality Information
Framework (QIF) specification
1398
X3D
V4.0 Resolution
assigned
minor
OrthoViewpoint fieldOfView type needs to be SFVec4f, not MFFloat
* Nicholas do you have a geosystem prose refinement for us?
* https://www.web3d.org/member-only/mantis/view.php?id=1437
Great meeting, thanks everyone.
Color note: don’t forget to wear green on Saint Patrick’s Day… your
avatar too. March the 17th - Sleep the 18th.
Have fun with X3D 4.0! 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, data
http://faculty.nps.edu/brutzman
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