[x3d-public] X3D Agenda 19 June 2020: Mantis issues
Don Brutzman
brutzman at nps.edu
Thu Jun 18 19:41:37 PDT 2020
We meet at our regular time and Zoom coordinates, Friday 08-0930 pacific (your time zone may vary).
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1. *Participation Information*
[1] Web3D Teleconference Information
https://www.web3d.org/member/teleconference-information
Please use the following link for all Web3D Consortium Meetings.
Join URL: https://us02web.zoom.us/j/81634670698?pwd=a1VPeU5tN01rc21Oa3hScUlHK0Rxdz09
Meeting ID: 81634670698 Meeting Password: 483805
One tap mobile
US (New York) +1 929 205 6099,,(nine-digit number from Join URL above)#
US (San Jose) +1 669 900 6833,,(nine-digit number from Join URL above)#
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2. *Related work*
We hope to review and accept Pull Request 8 next week to integrate Physically Based Rendering (PBR) and lighting with glTF support.
Efi, Thanos, Dick and Don have nearly all node and node type architectural relationships defined for an upgraded Sound component that includes spatialized sound capabilities matching W3C Web Audio API.
We plan to submit a draft specification for review to Web3D Consortium Board of Directors and membership on 30 June. Following that review the draft document will be released publicly for comment in time for SIGGRAPH 2020.
Implementations to date include X3DOM, X_ITE and Titania, Castle Game Engine view3dscene and FreeWRL, with possible implementation interest noted by at other major codebases.
Ongoing releases include X3D4 XML Schema, X3D Unified Object Model (X3DUOM), X3D XML Schema and DOCTYPE, X3D Ontology, X3D JSON encoding, X3DJSAIL (Java), X3DPSAIL (Python x3d.py).
Summary of current and planned X3D4 nodes and fields is available in
[1] X3D4 Tooltips
https://www.web3d.org/x3d/content/X3dTooltips.html
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3. *Mantis Issues*
Dick and Don continue making steady progress applying approved changes to the X3D4 Specifications and related assets.
[2] Mantis: View All Issues
https://www.web3d.org/member-only/mantis/view_all_bug_page.php
then select "X3D Project" in upper right corner.
Reportedly each member and invited expert either has full access into these Mantis issues, or else is being assisted. POC is Executive Director Anita Havele if difficulties persist.
Draft specification available to members in Github version control:
[3] Github Web3D Consortium
https://github.com/Web3dConsortium
[4] Github Web3D Consortium: ISO-IEC 19775-1 - X3D Architecture and base components, Part 1
https://github.com/Web3DConsortium/X3D/tree/master/ISO-IEC19775/ISO-IEC19775-1/ISO-IEC19775-1v4.0/ISO-IEC19775-1v4-WD1/Part01
This week we are reviewing a large number of issues that are quite close to resolution. Each issue has enjoyed scrutiny and dialog on the x3d-public mailing list and X3D Working Group reviews. We seek to determine consensus on as many as possible in order to allow including the corresponding changes in the forthcoming X3D4 draftrelease.
Issue list follows, full issue list attached.
Id Summary
1310 near and far clipping planes currently not directly specified
1309 NavigationInfo avatarSize parameters need to be split into separate fields
1308 creaseAngle support by Triangle nodes
1307 X3DParticleEmitterNode mass and surfaceArea accessType initializeOnly rather than inputOutput?
1304 allowing animation of Cone, Cylinder bottom/side/top: accessType inputOutput
1303 optional support for WebMercator datasets
1302 geoSystem is difficult to define and parse, consider alternative approach
1301 check geospatial navigation to see if NavigationInfo modes are sufficient
1300 Consistently unify metadata model for GeoMetadata and HAnimHumanoid info array
1299 Annotation Component deferral
1293 HypersurfaceSensor/MultiTouchSensor for multi-touch environments
1292 numbering of z order of layers in LayerSet
1283 XML encoding: change X3D4 MetadataSet default containerField='value' ?
1281 TwoSidedMaterial deprecation by adding Appearance backMaterial field
1277 Provide displayBBox field on X3DBoundedObject nodes to display bounding boxes, rename bboxDisplay for consistency
1276 name types: whitespace constraints, NMTOKEN and SFString
1275 whether CollisionCollection and RigidBody implement X3DBoundedObject node
1273 https level support requirements should match http level support
1272 glTF import needs to include metadata import
1271 add visible field to X3DBoundedObject
1269 glTF physically based rendering PBR, advanced material textures and lighting
1268 add height and width attributes to root X3D node
1267 Strategies to Improve X3Dv4 Audio and Sound Component
1266 Make RGB and grayscale textures treatment consistent
1265 Text size clarification, relative to baseline
1264 NavigationInfo type TURNTABLE HELICOPTER GAME FREEFLY
1263 Log capability to record event streams
1262 new field /refresh/ for Inline, ImageTexture etc.
1261 PointSet field for Normal node
1259 Scanning profile needed?
1258 Layout component needs to be consistently implemented
1257 Inline allowed to load additional model types
1255 Projective Texture Mapping Component (PTM)
1252 PointProperties node specification; PointSet/LineSet/IndexedLineSet can contain Normal
Today Dick and I located a large number of editorial comments from an in-depth review by Roy Walmsley. We are going through each one-by-one and will elevate any that are functional, rather than simply editorial.
Thanks for all scrutiny, feedback and implementation efforts. Have fun with X3D4! 8)
all the best, Don
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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 http://faculty.nps.edu/brutzman
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