<div dir="auto">I’m pretty much for any glTF PBR extensions not already included in X3D4 already.</div><div dir="auto"><br></div><div dir="auto">Thanks!</div><div dir="auto"><br></div><div dir="auto">John</div><div dir="auto"><br></div><div dir="auto"><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Feb 24, 2023 at 1:04 AM Brutzman, Donald (Don) (CIV) <<a href="mailto:brutzman@nps.edu">brutzman@nps.edu</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;padding-left:1ex;border-left-color:rgb(204,204,204)"><div lang="EN-US" link="#0563C1" vlink="#954F72" style="overflow-wrap: break-word;"><div class="m_6634833541521504447WordSection1"><p class="MsoNormal">The X3D Working Group meets weekly on Fridays 09-1000 Pacific on Web3D Consortium zoom channel. Telcon information:<u></u><u></u></p><ul style="margin-top:0in" type="disc"><li class="m_6634833541521504447MsoPlainText"><a href="https://us02web.zoom.us/j/81634670698?pwd=a1VPeU5tN01rc21Oa3hScUlHK0Rxdz09" target="_blank">https://us02web.zoom.us/j/81634670698?pwd=a1VPeU5tN01rc21Oa3hScUlHK0Rxdz09</a> <u></u><u></u></li><li class="m_6634833541521504447MsoPlainText"><a href="https://zoom.us/j/148206572" target="_blank">https://zoom.us/j/148206572</a> Password 483805 <u></u><u></u></li><li class="m_6634833541521504447MsoPlainText"><a href="https://www.web3d.org/member/teleconference-information" target="_blank">https://www.web3d.org/member/teleconference-information</a> <u></u><u></u></li></ul><p class="MsoNormal"><u></u> <u></u></p><ol style="margin-top:0in" start="1" type="1"><li class="m_6634833541521504447MsoListParagraph"><b>X3D 2023 goals. </b>Our primary activities for X3D Working Group in 2023 are focused on broad and correct deployment.<u></u><u></u></li></ol><p class="MsoNormal"><u></u> <u></u></p><ol style="margin-top:0in" start="1" type="a"><li class="m_6634833541521504447MsoListParagraph" style="margin-left:0.25in">Encourage consistent rendering, interaction and usage for the many tremendous capabilities in X3D4.<u></u><u></u></li><li class="m_6634833541521504447MsoListParagraph" style="margin-left:0.25in">Update ISO specifications and implementations for multiple programming languages and file encodings to match X3D4.<u></u><u></u></li></ol><p class="MsoNormal"><u></u> <u></u></p><ol style="margin-top:0in" start="2" type="1"><li class="m_6634833541521504447MsoListParagraph"><b>Lots of progress. </b>Great to see lots of good things happening. Hoping to create snapshot of major events:<u></u><u></u></li></ol><p class="MsoNormal" style="margin-left:4.5pt"><u></u> <u></u></p><ol style="margin-top:0in" start="2" type="1"><ol style="margin-top:0in" start="1" type="a"><li class="m_6634833541521504447MsoListParagraph">Loading of STL and OBJ by multiple browsers.<u></u><u></u></li><li class="m_6634833541521504447MsoListParagraph">X_ITE validation and conversion capabilities<u></u><u></u></li><li class="m_6634833541521504447MsoListParagraph">X3DOM support for glTF Draco geometric compression<u></u><u></u></li><li class="m_6634833541521504447MsoListParagraph">X3D-Edit prerelease: XML security support, localhost HTTP for CORS support when testing X_ITE.<u></u><u></u></li><li class="m_6634833541521504447MsoListParagraph">What else?<u></u><u></u></li></ol></ol><p class="m_6634833541521504447MsoListParagraph" style="margin-left:22.5pt"><b><u></u> <u></u></b></p><ol style="margin-top:0in" start="3" type="1"><li class="m_6634833541521504447MsoListParagraph"><b>Focus: 3D Web Interoperability to Metaverse Standards Forum (MSF)<u></u><u></u></b></li></ol><p class="MsoNormal"><b><u></u> <u></u></b></p><p class="MsoNormal">Nicholas Polys has crafted an excellent draft proposal for a new exploratory group on 3D Web Interoperability for the Metaverse Standards Forum (MSF). We will review, discuss, and begin planning next steps.<u></u><u></u></p><p class="MsoNormal"><u></u> <u></u></p><ol style="margin-top:0in" start="4" type="1"><li class="m_6634833541521504447MsoListParagraph"><b>glTF Extensions.<u></u><u></u></b></li></ol><p class="MsoNormal" style="margin-left:4.5pt"><b><u></u> <u></u></b></p><p class="MsoNormal" style="margin-left:4.5pt">Recent email threads have pointed out that X3D 4.0 normatively references glTF 2.0. Meanwhile numerous glTF extensions are available. Nothing prohibits X3D browsers/players/tools from going beyond baseline glTF 2.0 – the “X” in X3D is Extensible. 8)<u></u><u></u></p><p class="MsoNormal" style="margin-left:4.5pt"><u></u> <u></u></p><p class="MsoNormal" style="margin-left:4.5pt">There is benefit to software developers, content authors and end users to having a shared strategy on what new features to support. Considering and supporting such a list is further suitable as a Web3D Recommendation as a stepping stone towards future pursuit of X3D 4.1 with International Standards Organization (ISO).<u></u><u></u></p><p class="MsoNormal" style="margin-left:4.5pt"><u></u> <u></u></p><p class="MsoNormal" style="margin-left:4.5pt">Here are a few glTF extensions that have been proposed. Let’s discuss which have high value and deserve consideration as part of a shared strategy.<u></u><u></u></p><p class="MsoNormal"><u></u> <u></u></p><ul style="margin-top:0in" type="disc"><li class="m_6634833541521504447MsoListParagraph" style="margin-left:0in">EnvironmentLight<u></u><u></u></li><li class="m_6634833541521504447MsoListParagraph" style="margin-left:0in">emissiveColor bloom<u></u><u></u></li><li class="m_6634833541521504447MsoListParagraph" style="margin-left:0in">Draco geometry compression<u></u><u></u></li><li class="m_6634833541521504447MsoListParagraph" style="margin-left:0in">Human animation<u></u><u></u></li><li class="m_6634833541521504447MsoListParagraph" style="margin-left:0in">Others? <u></u><u></u></li></ul><p class="MsoNormal"><b><u></u> <u></u></b></p><p class="MsoNormal" style="margin-left:4.5pt"><b><u></u> <u></u></b></p><ol style="margin-top:0in" start="5" type="1"><li class="m_6634833541521504447MsoListParagraph"><b>X3D 4.1 feature discussion. </b>(carried over from last week)<b><u></u><u></u></b></li></ol><p class="MsoNormal"><b><u></u> <u></u></b></p><p class="MsoNormal">Many possibilities! The “X” in X3D is Extensible, so pursuit of further evolution is an essential part of our design. We benefit from (but are not limited by) ISO stability, since implementers can experiment with innovative practices and also match Web3D Consortium recommended practices.<u></u><u></u></p><p class="MsoNormal" style="margin-left:4.5pt"><u></u> <u></u></p><ol style="margin-top:0in" start="5" type="1"><ol style="margin-top:0in" start="1" type="a"><li class="m_6634833541521504447MsoListParagraph">Near term: resolving Sound component differences with Web Audio API. Some noted issues will likely get deferred as X3D 4.1 issues.<u></u><u></u></li><li class="m_6634833541521504447MsoListParagraph">In progress: HAnim2/X3D4 additions for site names, poses, and clothing to provide support for apparel.<u></u><u></u></li><li class="m_6634833541521504447MsoListParagraph">What else? What’s next?<u></u><u></u></li></ol></ol><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal">Wishing best progress. Have fun with X3D! 8)<u></u><u></u></p><p class="MsoNormal"><span style="font-size:10pt;font-family:"Courier New""><u style="font-family:"Courier New""></u> <u style="font-family:"Courier New""></u></span></p><p class="MsoNormal"><span style="font-size:10pt;font-family:"Courier New"">all the best, Don<u style="font-family:"Courier New""></u><u style="font-family:"Courier New""></u></span></p><p class="MsoNormal"><span style="font-size:10pt;font-family:"Courier New"">-- <u style="font-family:"Courier New""></u><u style="font-family:"Courier New""></u></span></p><p class="MsoNormal"><span style="font-size:10pt;font-family:"Courier New"">Don Brutzman Naval Postgraduate School, Code USW/Br <a href="mailto:brutzman@nps.edu" target="_blank" style="font-family:"Courier New"">brutzman@nps.edu</a><u style="font-family:"Courier New""></u><u style="font-family:"Courier New""></u></span></p><p class="MsoNormal"><span style="font-size:10pt;font-family:"Courier New"">Watkins 270, MOVES Institute, Monterey CA 93943-5000 USA +1.831.656.2149<u style="font-family:"Courier New""></u><u style="font-family:"Courier New""></u></span></p><p class="MsoNormal"><span style="font-size:10pt;font-family:"Courier New"">X3D graphics, virtual worlds, Navy robotics https://</span> <span style="font-size:10pt;font-family:"Courier New""><a href="http://faculty.nps.edu/brutzman" target="_blank" style="font-family:"Courier New"">faculty.nps.edu/brutzman</a><u style="font-family:"Courier New""></u><u style="font-family:"Courier New""></u></span></p><p class="MsoNormal"><u></u> <u></u></p></div></div>_______________________________________________<br>
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