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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#0563C1" vlink="#954F72" style='word-wrap:break-word'><div class=WordSection1><ol style='margin-top:0in' start=1 type=1><li class=MsoListParagraph style='margin-left:-.25in;mso-list:l5 level1 lfo7'>Note tweet announcements, press release and launch statements related to<o:p></o:p></li></ol><p class=MsoNormal><o:p> </o:p></p><ul style='margin-top:0in' type=disc><li class=MsoListParagraph style='margin-left:0in;mso-list:l2 level1 lfo6'>Metaverse Standards Forum<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l2 level1 lfo6'>https://metaverse-standards.org<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l2 level1 lfo6'>Where Leading Standards Organizations and Companies Cooperate to Foster Interoperability Standards for an Open Metaverse<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l2 level1 lfo6'>https://twitter.com/Web3DConsortium/status/1539412412377333761 (threaded tweets)<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l2 level1 lfo6'>“The Metaverse Standards Forum provides a unique opportunity to achieve secure, collaborative (interoperable), durable, and pervasive Mixed-Reality content,” said Nicholas Polys Ph.D., president of the Web3D Consortium. The Web3D Consortium members bring decades of prior research into 3D graphics interoperability and WWW ecosystem standardizations; integration with ISO-IEC Extensible 3D (X3D) Version 4 will bring quick wins that catalyze new value and provide crucial assurances for Metaverse creators and participants.”<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l2 level1 lfo6'>https://www.web3d.org/news-story/keys-open-interoperable-metaverse-position-paper<o:p></o:p></li></ul><p class=MsoNormal><o:p> </o:p></p><ol style='margin-top:0in' start=2 type=1><li class=MsoListParagraph style='margin-left:-.25in;mso-list:l5 level1 lfo7'>Of interest, magnificent new home page is now available for<o:p></o:p></li></ol><p class=MsoNormal><o:p> </o:p></p><ul style='margin-top:0in' type=disc><li class=MsoListParagraph style='margin-left:0in;mso-list:l2 level1 lfo6'>Web3D 2022 Conference, 2-4 November, Telecom SudParis, Evry, France<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l2 level1 lfo6'>https://web3d.siggraph.org<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l2 level1 lfo6'>The 27th International Conference on 3D Web Technology will address an extensive range of research, development, and practices related to several 3D application domains including the metaverse. The accepted papers and poster summaries will be published in the Web3D 2022 Conference Proceedings, available in the ACM Digital Library.<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l2 level1 lfo6'>https://dl.acm.org/conference/web3d<o:p></o:p></li></ul><p class=MsoNormal><o:p> </o:p></p><ol style='margin-top:0in' start=3 type=1><li class=MsoListParagraph style='margin-left:-.25in;mso-list:l5 level1 lfo7'>Build logs for the toolset updates announced last week:<o:p></o:p></li></ol><p class=MsoListParagraph style='margin-left:.25in'><o:p> </o:p></p><ul style='margin-top:0in' type=disc><li class=MsoListParagraph style='margin-left:0in;mso-list:l2 level1 lfo6'>X3D Resources, Examples: Scene Archives for X3D<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l2 level1 lfo6'>The X3D Examples Archives demonstrate how X3D nodes and scenes work. Thousands of scenes are provided in all X3D encodings. You can browse them individually online or download fully complete, separately installable .zip archives. Links to thousands of additional X3D example scenes are provided.<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l2 level1 lfo6'>https://www.web3d.org/x3d/content/examples/X3dResources.html#Examples<o:p></o:p></li></ul><p class=MsoNormal><o:p> </o:p></p><ul style='margin-top:0in' type=disc><li class=MsoListParagraph style='margin-left:0in;mso-list:l2 level1 lfo6'>https://www.web3d.org/x3d/content/examples/build.java.all.log.txt<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l2 level1 lfo6'>https://www.web3d.org/x3d/content/examples/build.python.all.log.txt<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l2 level1 lfo6'>https://www.web3d.org/x3d/content/examples/build.turtle.all.log.txt<o:p></o:p></li></ul><p class=MsoListParagraph><o:p> </o:p></p><ol style='margin-top:0in' start=4 type=1><li class=MsoListParagraph style='margin-left:-.25in;mso-list:l5 level1 lfo7'>No X3D Working Group meeting this week. Have fun writing Web3D 2022 papers! 8)<o:p></o:p></li></ol><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>all the best, Don<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>-- <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>Don Brutzman Naval Postgraduate School, Code USW/Br brutzman@nps.edu<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>Watkins 270, MOVES Institute, Monterey CA 93943-5000 USA +1.831.656.2149<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>X3D graphics, virtual worlds, Navy robotics https://</span> <span style='font-size:10.0pt;font-family:"Courier New"'>faculty.nps.edu/brutzman<o:p></o:p></span></p></div><p class=MsoNormal><o:p> </o:p></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b>From:</b> Brutzman, Donald (Don) (CIV) <brutzman@nps.edu> <br><b>Sent:</b> Saturday, June 18, 2022 9:55 AM<br><b>To:</b> X3D Public Mailing List (x3d-public@web3d.org) <x3d-public@web3d.org><br><b>Cc:</b> consortium@web3d.org; bod@web3d.org; Brutzman, Donald (Don) (CIV) <brutzman@nps.edu><br><b>Subject:</b> RE: X3D meeting 17 JUN: Multiverse, X3D glTF webinar, MultiTexture, X3D4 deployment, bounding boxes, Capsule, Web3D 2022<o:p></o:p></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Attendees: Anita Havele, Dick Puk, Don Brutzman. Regrets: Nicholas Polys.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>We held our regular X3D weekly meeting on Friday 17 June 2022, 08-0900 pacific. Community participation remains welcome.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><ul style='margin-top:0in' type=disc><li class=MsoListParagraph style='margin-left:0in;mso-list:l4 level1 lfo1'><a href="https://us02web.zoom.us/j/81634670698?pwd=a1VPeU5tN01rc21Oa3hScUlHK0Rxdz09">https://us02web.zoom.us/j/81634670698?pwd=a1VPeU5tN01rc21Oa3hScUlHK0Rxdz09</a> <o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l4 level1 lfo1'><a href="https://zoom.us/j/148206572">https://zoom.us/j/148206572</a> Password 483805 <o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l4 level1 lfo1'><a href="https://www.web3d.org/member/teleconference-information">https://www.web3d.org/member/teleconference-information</a><o:p></o:p></li></ul><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>We are considering a change to our regular weekly schedule, whether to start one hour later at 09-1000 pacific (12-1300 eastern). Please advise if anyone thinks this is a problem.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Agenda topics follow.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><ol style='margin-top:0in' start=1 type=1><li class=MsoListParagraph style='margin-left:-.25in;mso-list:l3 level1 lfo2'><b>Web3D Consortium Multiverse Strategy released</b>. We have Web standard-based strategy available for execution of Metaverse imperatives now: X3D4 and HTML5 authoring , glTF import/rendering, Web Audio API spatial sound, and more. Many possibilities!<o:p></o:p></li></ol><p class=MsoListParagraph style='margin-left:.25in'><o:p> </o:p></p><ul style='margin-top:0in' type=disc><li class=MsoListParagraph style='margin-left:0in;mso-list:l4 level1 lfo1'>The Keys to an Open, Interoperable Metaverse<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l4 level1 lfo1'><a href="https://www.web3d.org/news-story/keys-open-interoperable-metaverse-position-paper">https://www.web3d.org/news-story/keys-open-interoperable-metaverse-position-paper</a><o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l4 level1 lfo1'><a href="https://twitter.com/Web3DConsortium/status/1537105086421159936">https://twitter.com/Web3DConsortium/status/1537105086421159936</a><o:p></o:p></li></ul><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>2. <b>Vince Marchetti webinar video on X3D + glTF released on YouTube</b>.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><ul style='margin-top:0in' type=disc><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo3'>Webinar: "Authoring Interactive Dynamic #X3D and @glTF3D Together" by Dr. Vince Marchetti. <o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo3'>Use X3D to add visual annotation to glTF assets, provide powerful navigation/exploration aids, and combine assets from multiple sources in a single scene. <o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo3'><a href="https://twitter.com/Web3DConsortium/status/1538178019461713920Tweet">https://twitter.com/Web3DConsortium/status/1538178019461713920Tweet</a><o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo3'><a href="https://youtube.com/watch?v=N5eWCFnSwU4">https://youtube.com/watch?v=N5eWCFnSwU4</a><o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo3'><a href="https://www.web3d.org/event/webinar-authoring-interactive-dynamic-x3d-and-gltf-together">https://www.web3d.org/event/webinar-authoring-interactive-dynamic-x3d-and-gltf-together</a><o:p></o:p></li></ul><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>3. <b>MultiTexture node specification phrasing</b>. Thanks to Doug and Michalis for improvements, we have reviewed and resolved this issue. Looks like this will be “just in time” for ISO acceptance of X3D4 DIS ballot.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><ul style='margin-top:0in' type=disc><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo3'>Mantis 1397: Fix typo Table 18.3 — Multitexture values for mode field, also source FACTOR definition<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo3'><a href="https://www.web3d.org/member-only/mantis/view.php?id=1397">https://www.web3d.org/member-only/mantis/view.php?id=1397</a><o:p></o:p></li></ul><p class=MsoListParagraph><o:p> </o:p></p><ul style='margin-top:0in' type=disc><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo3'>Table 18.3 — Multitexture values for mode field modes<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo3'><a href="https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4-CD1/Part01/components/texturing.html#t-MultitextureModes">https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4-CD1/Part01/components/texturing.html#t-MultitextureModes</a><o:p></o:p></li></ul><p class=MsoListParagraph><o:p> </o:p></p><ul style='margin-top:0in' type=disc><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo3'>Table 18.4 — MultiTexture values for source field<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo3'><a href="https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4-CD1/Part01/components/texturing.html#t-ValuesForSourceField">https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4-CD1/Part01/components/texturing.html#t-ValuesForSourceField</a><o:p></o:p></li></ul><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Further corrections and insights are always welcome.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>4. <b>X3D4 updates</b>. The following assets are currently up-to-date and fully aligned with our final version of X3D 4.0.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><ol style='margin-top:0in' start=1 type=a><li class=MsoListParagraph style='margin-left:0in;mso-list:l6 level1 lfo4'><b>X3D4 Architecture Specification</b>. Two matching versions: Committee Draft 1 (CD1) with markup and corresponding Draft International Specification (DIS) ballot versions.<o:p></o:p></li></ol><p class=MsoListParagraph><a href="https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4-CD1/Part01/Architecture.html">https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4-CD1/Part01/Architecture.html</a><o:p></o:p></p><p class=MsoListParagraph><a href="https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4-DIS/Part01/Architecture.html">https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4-DIS/Part01/Architecture.html</a><o:p></o:p></p><p class=MsoListParagraph><o:p> </o:p></p><ol style='margin-top:0in' start=2 type=a><li class=MsoListParagraph style='margin-left:0in;mso-list:l6 level1 lfo4'><b>X3D XML Schema and DOCTYPE, X3DUOM<o:p></o:p></b></li></ol><p class=MsoListParagraph>These assets are commonly used for XML validation of X3D scenes, and in-depth documentation is also provided here.<o:p></o:p></p><p class=MsoListParagraph><a href="https://www.web3d.org/specifications">https://www.web3d.org/specifications</a><o:p></o:p></p><p class=MsoListParagraph><a href="https://www.web3d.org/specifications/X3dSchemaDocumentation4.0/x3d-4.0.html">https://www.web3d.org/specifications/X3dSchemaDocumentation4.0/x3d-4.0.html</a><o:p></o:p></p><p class=MsoListParagraph><a href="https://www.web3d.org/specifications/X3dDoctypeDocumentation4.0.html">https://www.web3d.org/specifications/X3dDoctypeDocumentation4.0.html</a><o:p></o:p></p><p class=MsoListParagraph><a href="https://www.web3d.org/specifications/X3DUOM.html">https://www.web3d.org/specifications/X3DUOM.html</a><o:p></o:p></p><p class=MsoListParagraph><a href="https://www.web3d.org/specifications/X3dUnifiedObjectModel-4.0.xml">https://www.web3d.org/specifications/X3dUnifiedObjectModel-4.0.xml</a><o:p></o:p></p><p class=MsoListParagraph><o:p> </o:p></p><ol style='margin-top:0in' start=3 type=a><li class=MsoListParagraph style='margin-left:0in;mso-list:l6 level1 lfo4'><b>X3D Tooltips<o:p></o:p></b></li></ol><p class=MsoListParagraph>X3D Tooltips provide authoring hints for each node and field found in X3D Architecture Specification version 4 draft.<o:p></o:p></p><p class=MsoListParagraph><a href="https://www.web3d.org/x3d/tooltips/X3dTooltips.html">https://www.web3d.org/x3d/tooltips/X3dTooltips.html</a><o:p></o:p></p><p class=MsoListParagraph><o:p> </o:p></p><ol style='margin-top:0in' start=4 type=a><li class=MsoListParagraph style='margin-left:0in;mso-list:l6 level1 lfo4'><b>X3D Java, X3DJSAIL<o:p></o:p></b></li></ol><p class=MsoListParagraph>X3D Java Scene Access Interface Library (X3DJSAIL) supports programmers with standards-based X3D Java interfaces and objects, all as open source. Tested and published using OpenJDK 18.0.1.1 and Netbeans 14.<o:p></o:p></p><p class=MsoListParagraph><a href="https://www.web3d.org/specifications/java/X3DJSAIL.html">https://www.web3d.org/specifications/java/X3DJSAIL.html</a><o:p></o:p></p><p class=MsoListParagraph><o:p> </o:p></p><ol style='margin-top:0in' start=5 type=a><li class=MsoListParagraph style='margin-left:0in;mso-list:l6 level1 lfo4'><b>X3D Python, X3DPSAIL x3d.py<o:p></o:p></b></li></ol><p class=MsoListParagraph>The x3d.py Python X3D Package supports programmers with Python interfaces and objects for standards-based X3D programming, all as open source. Tested and published using Python 3.10.5.<o:p></o:p></p><p class=MsoListParagraph><a href="https://www.web3d.org/x3d/stylesheets/python/python.html">https://www.web3d.org/x3d/stylesheets/python/python.html</a><o:p></o:p></p><p class=MsoListParagraph><o:p> </o:p></p><ol style='margin-top:0in' start=6 type=a><li class=MsoListParagraph style='margin-left:0in;mso-list:l6 level1 lfo4'><b>X3D Ontology for Semantic Web<o:p></o:p></b></li></ol><p class=MsoListParagraph>The X3D Ontology for Semantic Web provides terms of reference for semantic query of X3D models.<o:p></o:p></p><p class=MsoListParagraph><a href="https://www.web3d.org/x3d/content/semantics/semantics.html">https://www.web3d.org/x3d/content/semantics/semantics.html</a><o:p></o:p></p><p class=MsoListParagraph><a href="https://www.web3d.org/specifications/X3dOntology4.0.ttl">https://www.web3d.org/specifications/X3dOntology4.0.ttl</a><o:p></o:p></p><p class=MsoListParagraph><a href="https://www.web3d.org/specifications/X3dOntology4.0.rdf">https://www.web3d.org/specifications/X3dOntology4.0.rdf</a><o:p></o:p></p><p class=MsoListParagraph><a href="https://www.web3d.org/x3d/content/semantics/documentation">https://www.web3d.org/x3d/content/semantics/documentation</a><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>5. <b>Opportunities for outreach and X3D applications</b>.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>We discussed several opportunities for influence and leadership in the following domains. All interest welcome.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><ul style='margin-top:0in' type=disc><li class=MsoListParagraph style='margin-left:0in;mso-list:l1 level1 lfo5'>VR AR XR MAR, <sub><o:p></o:p></sub></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l1 level1 lfo5'>Smart Cities, <sub><o:p></o:p></sub></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l1 level1 lfo5'>Digital Twin.<sub><o:p></o:p></sub></li></ul><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>6. <b>Generating bounding boxes (bbox values).</b> <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Interesting discussions in CAD Design Printing Scanning Working Group meeting Thursday. Typically X3D bounding boxes for shapes, grouping nodes and Inline model composition are computed at runtime, since GPUs can perform efficient computations to that effect and since omission of those values can reduce file size. So far, so good.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>However, for tool and server aggregation of models, bounding boxes are likely to have increasing importance as large-scale composition of models occurs in Metaverse, VR AR XR MAR, Smart Cities, and Digital Twin applications. We are thinking that addition of bboxSize/bboxCenter to top-level scene, grouping node and collidable geometry likely deserves support by tools. The Collision node and proxy field provide interesting options. We might also craft some metadata conventions so that authors might indicate where bounding boxes are desirable.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Wondering what implementers think? For example, is it straightforward to load a model and add bounding boxes? Can this be added to authoring workflows?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>7. Possible new geometry primitive node? <b>Capsule</b>, nearly identical to Cylinder but with spherical end caps. Simple to implement, of potential use in collision detection. More to follow…<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>8. <b>Web3D 2022 Conference</b>. Work on upgraded website in progress. Write those papers!<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><ul style='margin-top:0in' type=disc><li class=MsoListParagraph style='margin-left:0in;mso-list:l1 level1 lfo5'>Web3D 2022, Evry (Paris), France (In-person and Virtual) 2-4 November 2022<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l1 level1 lfo5'><a href="https://web3d.siggraph.org/web3d-2022-call-for-papers">https://web3d.siggraph.org/web3d-2022-call-for-papers</a><o:p></o:p></li></ul><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Steady progress in every direction, real and virtual… have fun with X3D!<o:p></o:p></p><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>all the best, Don<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>-- <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>Don Brutzman Naval Postgraduate School, Code USW/Br <a href="mailto:brutzman@nps.edu">brutzman@nps.edu</a><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>Watkins 270, MOVES Institute, Monterey CA 93943-5000 USA +1.831.656.2149<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>X3D graphics, virtual worlds, Navy robotics https://</span> <span style='font-size:10.0pt;font-family:"Courier New"'>faculty.nps.edu/brutzman<o:p></o:p></span></p></div><p class=MsoNormal><o:p> </o:p></p></div></body></html>