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<div class="WordSection1">
<p class="MsoNormal">We meet at our regular time tomorrow, 0900-1000 pacific Friday 20 JAN.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">First we will briefly review updates to the following important status resource, discussing next steps.<o:p></o:p></p>
<ul type="disc">
<li class="MsoNormal" style="color:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l3 level1 lfo4;background:#CCFFFF">
<i><span style="font-size:13.5pt;font-family:"Times New Roman",serif">Updated.</span></i><span style="font-size:13.5pt;font-family:"Times New Roman",serif"> <a href="https://www.web3d.org/specifications/X3dNodeInventoryComparison.xlsx">X3D Node Inventory Comparison</a> (<a href="https://www.web3d.org/specifications/X3dNodeInventoryComparison.pdf">.pdf</a>)
shows node-by-node implementation coverage of the X3D Abstract Specification: validation using X3D Schema, X3D DOCTYPE, and X3D Schematron; X3D Tooltips and VRML97 node sets; plus selected open-source implementations: FreeWrl, X3DOM, X_ITE, view3dscene (Castle
Game Engine), X3D-Edit, Xj3D.<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l3 level1 lfo4">https://www.web3d.org/specifications/X3dNodeInventoryComparison.xlsx<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l3 level1 lfo4">https://www.web3d.org/specifications/X3dNodeInventoryComparison.pdf<o:p></o:p></li></ul>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Our primary goal is to review all comments on the C, C++, C# draft specifications and ensure they are captured appropriately in the Web3D Consortium Mantis Issue Tracker. Results will be submitted to ISO.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">All participation is welcome. Last week’s minutes attached for convenience. Have fun with X3D! 8)<o:p></o:p></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"">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>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><b>From:</b> Brutzman, Donald (Don) (CIV) <a href="mailto:brutzman@nps.edu">
brutzman@nps.edu</a> <br>
<b>Sent:</b> Friday, January 13, 2023 10:40 AM<br>
<b>To:</b> X3D Public Mailing List (<a href="mailto:x3d-public@web3d.org">x3d-public@web3d.org</a>)
<a href="mailto:x3d-public@web3d.org">x3d-public@web3d.org</a><br>
<b>Cc:</b> Brutzman, Donald (Don) (CIV) <a href="mailto:brutzman@nps.edu">brutzman@nps.edu</a><br>
<b>Subject:</b> X3D Working Group minutes 13 JAN 2023: refined goals, ISO specification updates, X3D4 implementation upgrade guidelines?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Happy Friday 13<sup>th</sup> everyone! (bwa ha ha…)<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Today we held our regular weekly meeting of X3D Working Group, Friday 13 January 2023 at 09-10 pacific. Connection information and topics follow.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<ul style="margin-top:0in" type="disc">
<li class="MsoPlainText" style="mso-list:l2 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="MsoPlainText" style="mso-list:l2 level1 lfo1"><a href="https://zoom.us/j/148206572">https://zoom.us/j/148206572</a> Password 483805
<o:p></o:p></li><li class="MsoPlainText" style="mso-list:l2 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">Attendees: Anita Havele, Nicholas Polys, Dick Puk, Doug Sanden, Don Brutzman.<o:p></o:p></p>
<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 lfo2">
<b>Goal statement review</b>. Our primary activities for X3D Working Group in 2023 are focused on broad and correct deployment. Refined:<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 lfo3">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 lfo3">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">The dozen corresponding standards to receive these updates are illustrated as follows:<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 lfo1">X3D Graphics Standards Relationships<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l2 level1 lfo1"><a href="https://web3d.org/specifications/X3dGraphicsStandardsRelationships.png">https://web3d.org/specifications/X3dGraphicsStandardsRelationships.png</a><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="2" type="1">
<li class="MsoListParagraph" style="margin-left:-13.5pt;mso-list:l1 level1 lfo2">
<b>Milestone: X3D4 Architecture Finalization</b>. <o:p></o:p></li></ol>
<p class="MsoNormal" style="margin-left:4.5pt"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-left:4.5pt">Last Tuesday we held a totally successful ISO Editors meeting for X3D4 Architecture Draft International Specification (DIS). ISO review and approval deliberations continue.<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:4.5pt"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-left:4.5pt">Today we reviewed progress, changes and next steps following. Almost finally, finally done locking in all details…<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 lfo1">X3D4: Extensible 3D (X3D) Part 1: Architecture and base components, ISO/IEC 19775-1:2022<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l2 level1 lfo1"><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></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 lfo1">Mantis Issue Tracker<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l2 level1 lfo1"><a href="https://www.web3d.org/member-only/mantis/view_all_bug_page.php">https://www.web3d.org/member-only/mantis/view_all_bug_page.php</a><o:p></o:p></li></ul>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Mantis issues are being updated to track all of the agreed-upon ISO changes correctly.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Given the formally approved list of X3D4 Architecture changes, we can finally proceed with document editing. Next step is to apply CSS-markup highlighted changes to the current DIS source for group review.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Proposed github location for that draft:<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 lfo1">Web3D Consortium GitHub Archive
<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l2 level1 lfo1"><a href="https://github.com/Web3dConsortium">https://github.com/Web3dConsortium</a><o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l2 level1 lfo1"><a href="https://github.com/Web3DConsortium/X3D/tree/master/ISO-IEC19775/ISO-IEC19775-1/ISO-IEC19775-1v4.0/ISO-IEC19775-1v4-DIS">https://github.com/Web3DConsortium/X3D/tree/master/ISO-IEC19775/ISO-IEC19775-1/ISO-IEC19775-1v4.0/ISO-IEC19775-1v4-DIS</a><o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l2 level1 lfo1">ISO-IEC19775-1v4-ProposedIS will be new directory location, eventual rename to “IS” once accepted by ISO<o:p></o:p></li></ul>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">X3D schema, DTD, X3DUOM, X3DJSAIL updates in progress, so far so good. Have applied most validation-related changes. Initial recapitalization/dehyphenization of Web Audio-related enumerations to follow.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Forward thinkers can rest assured that no good ideas regarding X3D evolution that didn’t “make the final ISO cut” are getting lost. All future possibilities will continue to be tracked in Mantis and designated as future X3D 4.1.<o:p></o:p></p>
<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 lfo2">
<b>Web3D Review of C, C++, C# draft standards for X3D 3.3.</b> <o:p></o:p></li></ol>
<p class="MsoNormal" style="margin-left:4.5pt"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-left:4.5pt">Deadline is imminent, we intend to review all comments next week. Based on that review, X3D Working Group will make a recommendation to Web3D Board of Directors regarding Consortium and community inputs on specification
readiness.<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:4.5pt"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-left:4.5pt"><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 lfo2">
<b>Preparing for Outreach</b>.<o:p></o:p></li></ol>
<p class="MsoNormal" style="margin-left:4.5pt"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-left:4.5pt">We discussed how to communicate the soon-to-happen approval of X3D 4.0 by ISO, including possible testimonials by members, implementers, authors, users, Standards Development Organization (SDO) partners, et al.<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:4.5pt"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-left:4.5pt"><i>All testimonial statements are welcome.</i> Web3D Consortium Executive Director Anita Havele to participate.<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:4.5pt"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-left:4.5pt"><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 lfo2">
<b>X3D Node Inventory Comparison</b>.<o:p></o:p></li></ol>
<p class="MsoNormal" style="margin-left:4.5pt"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-left:4.5pt">We took another look at this spreadsheet, let’s prepare to regularly update. Multiple other assets can also be used by implementers to support upgrading to X3D4.<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:4.5pt"><o:p> </o:p></p>
<ul style="margin-top:0in" type="disc">
<li class="MsoListParagraph" style="margin-left:0in;mso-list:l2 level1 lfo1">X3D Specifications: Schema and DOCTYPE Validation<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l2 level1 lfo1"><a href="https://www.web3d.org/specifications">https://www.web3d.org/specifications</a><o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l2 level1 lfo1">These assets are commonly used for XML validation of X3D scenes, and in-depth documentation is also provided here.<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 lfo1">X3D Node Inventory Comparison (.pdf) shows node-by-node implementation coverage of the X3D Abstract Specification: validation using X3D Schema, X3D DOCTYPE, and X3D Schematron; X3D
Tooltips and VRML97 node sets; plus selected open-source implementations: FreeWrl, X3DOM, X_ITE, view3dscene (Castle Game Engine), X3D-Edit, Xj3D.<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l2 level1 lfo1"><a href="https://www.web3d.org/specifications/X3dNodeInventoryComparison.xslx">https://www.web3d.org/specifications/X3dNodeInventoryComparison.xslx</a> (master in version control)<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l2 level1 lfo1"><a href="https://www.web3d.org/specifications/X3dNodeInventoryComparison.pdf">https://www.web3d.org/specifications/X3dNodeInventoryComparison.pdf</a><o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l2 level1 lfo1">This will be updated to X3D 4.0 latest, with changes highlighted in yellow<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:l2 level1 lfo1">X3D Tooltips 4.0 also highlights all changes in yellow<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l2 level1 lfo1"><a href="https://www.web3d.org/x3d/tooltips/X3dTooltips.html">https://www.web3d.org/x3d/tooltips/X3dTooltips.html</a><o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l2 level1 lfo1">For example, Anchor tooltips:<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l2 level1 lfo1"><a href="https://www.web3d.org/x3d/tooltips/X3dTooltips.html#Anchor">https://www.web3d.org/x3d/tooltips/X3dTooltips.html#Anchor</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:l2 level1 lfo1">The X3D4 Architecture specification itself also reveals specific changes to nodes and fields, from versions 3.0, 3.1, 3.2, 3.3 and 4.0:<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l2 level1 lfo1">X3D4 Architecture, Annex Z, Version Content<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l2 level1 lfo1"><a href="https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4-DIS/Part01/versionContent.html">https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4-DIS/Part01/versionContent.html</a><o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l2 level1 lfo1">For example, looking at Anchor node, you can see in rightmost column that v4.0 adds load, bboxDisplay, autoRefreshTimeLimit etc.<o:p></o:p></li></ul>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Suggested: should we create an X3D4 Migration Guide to help implementers? Seems like an excellent idea, also “rings true” with our initial goal statements today.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><i>Volunteers please? </i>Creating some form of X3D4 Migration Guide checklist to assist implementers might be quite useful. Also an excellent professional opportunity for experts and consultants to demonstrate (and upgrade) their expertise.<o:p></o:p></p>
<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 lfo2">
<b>All other business</b>. <o:p></o:p></li></ol>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Good discussions on download statistics (X3D-Edit, FreeWrl) and a variety of other topics... we’re having fun now!<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">As ever, many thanks for the work of many contributors. Deep breath… wow.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">No Web3D member-only information is included in these minutes… but please do note: several valuable items documented here have Web3D member-only access.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Consortium membership has value! <i>Please consider joining</i>.<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 lfo1">Join the Web3D Consortium<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l2 level1 lfo1"><a href="https://www.web3d.org/join">https://www.web3d.org/join</a><o:p></o:p></li></ul>
<p class="MsoListParagraph"><o:p> </o:p></p>
<p class="MsoNormal">Have fun with X3D4! 8)<o:p></o:p></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"">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>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></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"">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>
<p class="MsoNormal"><o:p> </o:p></p>
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