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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><p class=MsoNormal>Attendees: Anita Havele, Nicholas Polys, Dick Puk, Don Brutzman<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><ol style='margin-top:0in' start=0 type=1><li class=MsoListParagraph style='margin-left:-.25in;mso-list:l3 level1 lfo1'><b>Participation</b>. The X3D Working Group meets weekly on Fridays 09-1000 Pacific on Web3D Consortium zoom channel. Telcon information:<o:p></o:p></li></ol><p class=MsoNormal><o:p> </o:p></p><ul style='margin-top:0in' type=disc><li class=MsoPlainText style='mso-list:l2 level1 lfo2'>https://us02web.zoom.us/j/81634670698?pwd=a1VPeU5tN01rc21Oa3hScUlHK0Rxdz09 <o:p></o:p></li><li class=MsoPlainText style='mso-list:l2 level1 lfo2'>https://zoom.us/j/148206572 Password 483805 <o:p></o:p></li><li class=MsoPlainText style='mso-list:l2 level1 lfo2'>https://www.web3d.org/member/teleconference-information <o:p></o:p></li></ul><p class=MsoNormal><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:-13.5pt;mso-list:l1 level1 lfo3'><b>X3D 2023 goals. </b>Our primary activities for X3D Working Group in 2023 are focused on broad and correct deployment.<o:p></o:p></li></ol><p class=MsoNormal><o:p> </o:p></p><ol style='margin-top:0in' start=1 type=a><li class=MsoListParagraph style='margin-left:.25in;mso-list:l0 level1 lfo4'>Encourage consistent rendering, interaction and usage for the many tremendous capabilities in X3D4.<o:p></o:p></li><li class=MsoListParagraph style='margin-left:.25in;mso-list:l0 level1 lfo4'>Update ISO specifications and implementations for multiple programming languages and file encodings to match X3D4.<o:p></o:p></li></ol><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><ol style='margin-top:0in' start=2 type=1><li class=MsoListParagraph style='margin-left:-13.5pt;mso-list:l1 level1 lfo3'><b>X3D4 Specification Document final version submitted to ISO</b><o:p></o:p></li></ol><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The final Web3D version to use is<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:l2 level1 lfo2'>Extensible 3D (X3D) version 4, Part 1: Architecture and base components, ISO/IEC 19775-1:2023<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l2 level1 lfo2'>https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4-IS.proof<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l2 level1 lfo2'>https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4-IS.proof.Web3D.zip<o:p></o:p></li></ul><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>with updated links online:<o:p></o:p></p><ul style='margin-top:0in' type=disc><li class=MsoListParagraph style='margin-left:0in;mso-list:l2 level1 lfo2'>https://www.web3d.org/x3d4<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l2 level1 lfo2'>https://www.web3d.org/x3d4-highlights<o:p></o:p></li></ul><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><ol style='margin-top:0in' start=3 type=1><li class=MsoListParagraph style='margin-left:-13.5pt;mso-list:l1 level1 lfo3'><b>Mantis Issues Cleared, X3D Validation Updates Available</b><o:p></o:p></li></ol><p class=MsoListParagraph style='margin-left:22.5pt'><o:p> </o:p></p><p class=MsoNormal>Am happy to report that all X3D4 mantis issues have been resolved, with summaries for the last 2 issues following. Remaining issues are deferred as future work for X3D 4.1.<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:l2 level1 lfo2'>Mantis Issue Tracker, View Issues (Web3D member access)<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l2 level1 lfo2'>https://www.web3d.org/member-only/mantis/view_all_bug_page.php<o:p></o:p></li></ul><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Final key changes follow. From the schema and DTD changelog:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='margin-left:.5in'><span style='font-size:10.0pt;font-family:"Courier New";color:black'>https://www.web3d.org/specifications/x3d-schema-changelog.txt<o:p></o:p></span></p><p class=MsoNormal style='margin-left:.5in'><span style='font-size:10.0pt;font-family:"Courier New";color:black'><o:p> </o:p></span></p><p class=MsoNormal style='margin-left:.5in'><span style='font-size:10.0pt;font-family:"Courier New"'>30 MAR 2023, brutzman, puk<o:p></o:p></span></p><p class=MsoNormal style='margin-left:.5in'><span style='font-size:10.0pt;font-family:"Courier New"'>- (4.0) Mantis 1435, fixed duration field DynamicsCompressor attack: SFTime<o:p></o:p></span></p><p class=MsoNormal style='margin-left:.5in'><span style='font-size:10.0pt;font-family:"Courier New"'> vice SFFloat<o:p></o:p></span></p><p class=MsoNormal style='margin-left:.5in'><span style='font-size:10.0pt;font-family:"Courier New"'>- (4.0) Mantis 1410, included IndexedLineSet as one of numerous possible nodes<o:p></o:p></span></p><p class=MsoNormal style='margin-left:.5in'><span style='font-size:10.0pt;font-family:"Courier New"'> for HAnimHumanoid skin<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Updated to final versions:<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:l2 level1 lfo2'>X3D Specifications: Schema and DOCTYPE Validation<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l2 level1 lfo2'>https://www.web3d.org/specifications/<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 lfo2'>x3d-4.0.xsd XML Schema<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l2 level1 lfo2'>https://www.web3d.org/specifications/x3d-4.0.xsd<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l2 level1 lfo2'>https://www.web3d.org/specifications/X3dSchemaDocumentation4.0/x3d-4.0.html<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 lfo2'>x3d-4.0.dtd XML DOCTYPE<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l2 level1 lfo2'>https://www.web3d.org/specifications/x3d-4.0.dtd<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l2 level1 lfo2'>https://www.web3d.org/specifications/X3dDoctypeDocumentation4.0.html<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 lfo2'>Extensible 3D (X3D) Tooltips<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l2 level1 lfo2'>https://www.web3d.org/x3d/content/X3dTooltips.html<o:p></o:p></li></ul><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><ol style='margin-top:0in' start=4 type=1><li class=MsoListParagraph style='margin-left:-13.5pt;mso-list:l1 level1 lfo3'><b>Planning Future X3D specification work</b><o:p></o:p></li></ol><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>We carefully considered next steps in our specification strategy. Relevant document relationships are illustrated at<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:l2 level1 lfo2'>X3D Graphics Standards Relationships<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l2 level1 lfo2'>https://www.web3d.org/specifications/X3dGraphicsStandardsRelationships.png<o:p></o:p></li></ul><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The great majority of this work is already well defined, applying updates corresponding to X3D 4.0 architecture and applying Mantis issues that we have collected all along.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><ol style='margin-top:0in' start=4 type=1><ol style='margin-top:0in' start=1 type=a><li class=MsoListParagraph style='margin-left:-13.5pt;mso-list:l1 level2 lfo3'>Finish ISO process for X3D 4.0 Architecture, 19775-1<o:p></o:p></li></ol></ol><p class=MsoListParagraph style='margin-left:58.5pt'><o:p> </o:p></p><ol style='margin-top:0in' start=4 type=1><ol style='margin-top:0in' start=2 type=a><li class=MsoListParagraph style='margin-left:-13.5pt;mso-list:l1 level2 lfo3'>Create CD-quality document for version 4.0 revising X3D SAI, 19775-2 then submit NWIP to ISO as Working Draft (WD)<o:p></o:p></li></ol></ol><p class=MsoListParagraph style='margin-left:58.5pt'>https://www.web3d.org/documents/specifications/19775-2/V3.3<o:p></o:p></p><p class=MsoListParagraph style='margin-left:58.5pt'><o:p> </o:p></p><ol style='margin-top:0in' start=4 type=1><ol style='margin-top:0in' start=3 type=a><li class=MsoListParagraph style='margin-left:-13.5pt;mso-list:l1 level2 lfo3'>Formalize a specification to create CD draft for new specification X3DUOM, 19775-3. We are thinking that this does not belong as part of 19775-2, they are different. Such as new specification is preferred and does have to be particularly lengthy.<o:p></o:p></li></ol></ol><p class=MsoListParagraph style='margin-left:58.5pt'>https://www.web3d.org/specifications/X3DUOM.html<o:p></o:p></p><p class=MsoListParagraph style='margin-left:58.5pt'><o:p> </o:p></p><ol style='margin-top:0in' start=4 type=1><ol style='margin-top:0in' start=4 type=a><li class=MsoListParagraph style='margin-left:-13.5pt;mso-list:l1 level2 lfo3'>File encodings for 19776 series, first updating ClassicVRML and XML encodings to version 4. Add JSON encoding. Decide if Semantic Web encoding for Turtle is part of a separate encoding (or part of XML encoding).<o:p></o:p></li></ol></ol><p class=MsoNormal><o:p> </o:p></p><ol style='margin-top:0in' start=4 type=1><ol style='margin-top:0in' start=5 type=a><li class=MsoListParagraph style='margin-left:-13.5pt;mso-list:l1 level2 lfo3'>Update Compressed Binary Encoding, either spinoff or integrate EXI as part of this document, also figure out our changed geometric compression landscape (for example simply using glb binary).<o:p></o:p></li></ol></ol><p class=MsoListParagraph style='margin-left:58.5pt'><o:p> </o:p></p><ol style='margin-top:0in' start=4 type=1><ol style='margin-top:0in' start=6 type=a><li class=MsoListParagraph style='margin-left:-13.5pt;mso-list:l1 level2 lfo3'>Language bindings 19777 series first for JavaScript and Java updates, then add Python. Then update current versions C C++ C# if version 3.3 implementations are finally stable/working/interoperable (compilation via ANSI standard compilers makes sense).<o:p></o:p></li></ol></ol><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><ol style='margin-top:0in' start=5 type=1><li class=MsoListParagraph style='margin-left:-13.5pt;mso-list:l1 level1 lfo3'><b>SIGGRAPH 2023 and Web3D 2023 conference planning updates</b><o:p></o:p></li></ol><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Web3D Communications Team has been doing good planning. Brief discussion on dates, times, participation and plans.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>We expect to have two Birds of a Feather (BoF) sessions at SIGGRAPH: one on X3D4, and one on the now-forming exploratory group for Metaverse Standards Forum (MSF) 3D Interoperability on the Web.<o:p></o:p></p><ul style='margin-top:0in' type=disc><li class=MsoListParagraph style='margin-left:0in;mso-list:l2 level1 lfo2'>SIGGRAPH 2023, Los Angeles, 6-10 August<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l2 level1 lfo2'>https://s2023.siggraph.org<o:p></o:p></li></ul><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Pioneers meeting Tuesday meeting<o:p></o:p></p><ul style='margin-top:0in' type=disc><li class=MsoListParagraph style='margin-left:0in;mso-list:l2 level1 lfo2'>Web3D 2023 Conference, Vicomtech San Sebastian Spain, 9-11 October<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l2 level1 lfo2'>https://web3d.siggraph.org<o:p></o:p></li></ul><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Web3D Conference<o:p></o:p></p><ul style='margin-top:0in' type=disc><li class=MsoListParagraph style='margin-left:0in;mso-list:l2 level1 lfo2'>Web3D 2023, Vicomtech San Sebastian Spain, 9-11 October 2023<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l2 level1 lfo2'>The 28th International Conference on 3D Web Technology<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l2 level1 lfo2'>https://web3d.siggraph.org<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l2 level1 lfo2'>Call for Papers: Towards interconnectivity of Metaverses<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l2 level1 lfo2'>https://web3d.siggraph.org/cfp<o:p></o:p></li></ul><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><ol style='margin-top:0in' start=6 type=1><li class=MsoListParagraph style='margin-left:-13.5pt;mso-list:l1 level1 lfo3'><b>Wikipedia X3D</b><o:p></o:p></li></ol><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Next week we plan to continue group review and improvement of the X3D page on Wikipedia, likely applying some touchups. Thanks for all issues and insights. Nicholas is leading this effort.<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 lfo5'>https://en.wikipedia.org/wiki/X3D<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l4 level1 lfo5'>https://docs.google.com/document/d/1Anmbyz7gS_kNHtzHFhALlD9uDbz9Ta9W2Kcw79CMBvY/edit<o:p></o:p></li></ul><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Progress continues. We noted that the introduction immediately starts at a highly technical level and stays there. We need a simpler start that explains to most people what X3D is used for, and why they should use it. For example, <br>- X3D is a scene-graph description language that integrates network-enabled 3D graphics and multimedia. X3D design supports 3D models as Web pages and includes similarities to HTML pages.<br>- X3D is open, royalty free, extensible, interoperable, and runs on all platforms including laptops, tablets, phones, immersive headsets, and large-scale CAVES.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Once the google doc is ready, we will apply the updates to Wikipedia.<o:p></o:p></p><div style='mso-element:para-border-div;border:none;border-bottom:solid windowtext 1.5pt;padding:0in 0in 1.0pt 0in'><p class=MsoNormal style='border:none;padding:0in'><o:p> </o:p></p></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>So many people have contributed so much work on X3D 4.0 over the years, we all benefit from their professional expertise and efforts. From the schema changelog files:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='margin-left:.5in'><span style='font-family:"Courier New"'>Contributors:<o:p></o:p></span></p><p class=MsoNormal style='margin-left:.5in'><span style='font-family:"Courier New"'>Henry Boccon-Gibod, Don Brutzman, John Carlson, Justin Couch, Leonard Daly,<o:p></o:p></span></p><p class=MsoNormal style='margin-left:.5in'><span style='font-family:"Courier New"'>Rick Goldberg, Alan Hudson, Michalis Kamburelis, HyoKwang Lee, Myeong Wong Lee,<o:p></o:p></span></p><p class=MsoNormal style='margin-left:.5in'><span style='font-family:"Courier New"'>Rick Lentz, Vince Marchetti, Mike McCann, Christophe Mouton, Terry Norbraten,<o:p></o:p></span></p><p class=MsoNormal style='margin-left:.5in'><span style='font-family:"Courier New"'>Marc Petit, Andreas Plesch, Nicholas Polys, Dick Puk, Peter Ryan, Holger Seelig,<o:p></o:p></span></p><p class=MsoNormal style='margin-left:.5in'><span style='font-family:"Courier New"'>Keith Victor, Roy Walmsley, Joe D. Williams, Changhua Wu, Byounghyun Yoo,<o:p></o:p></span></p><p class=MsoNormal style='margin-left:.5in'><span style='font-family:"Courier New"'>Kwan Hee Yoo, and members of the X3D Working Group.<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Have fun with X3D! 8)<o:p></o:p></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'>all the best, Don<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'>-- <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;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:9.0pt;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:9.0pt;font-family:"Courier New"'>X3D graphics, virtual worlds, navy robotics https://faculty.nps.edu/brutzman<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>