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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=0 type=1><li class=MsoListParagraph style='margin-left:-.25in;mso-list:l6 level1 lfo5'>Regular Friday meeting 08-0900 Friday, call information below.<o:p></o:p></li></ol><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Videoconference Connectivity:<o:p></o:p></p><ul style='margin-top:0in' type=disc><li class=MsoPlainText style='mso-list:l0 level1 lfo4'>https://us02web.zoom.us/j/81634670698?pwd=a1VPeU5tN01rc21Oa3hScUlHK0Rxdz09 <o:p></o:p></li><li class=MsoPlainText style='mso-list:l0 level1 lfo4'>https://zoom.us/j/148206572  Password 483805 <o:p></o:p></li><li class=MsoPlainText style='mso-list:l0 level1 lfo4'>https://www.web3d.org/member/teleconference-information <o:p></o:p></li></ul><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:l6 level1 lfo5'>Spiraling questions about SpotLight field relationships and default values, beamwidth and cutoffAngle<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:l0 level1 lfo4'>X3D4 Architecture, Lighting component, clause 17.4.4 SpotLight<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo4'>https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4-CD1/Part01/components/lighting.html#SpotLight<o:p></o:p></li></ul><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>excerpted<o:p></o:p></p><p class=MsoNormal style='margin-left:18.75pt'><span style='font-size:8.5pt;font-family:"Courier New";color:black'><o:p> </o:p></span></p><p class=MsoNormal style='margin-left:18.75pt'><span style='font-size:8.5pt;font-family:"Courier New";color:black'>SpotLight : X3DLightNode {<o:p></o:p></span></p><p class=MsoNormal style='margin-left:18.75pt'><span style='font-size:8.5pt;font-family:"Courier New";color:black'><o:p> </o:p></span></p><p class=MsoNormal style='margin-left:18.75pt'><span style='font-size:8.5pt;font-family:"Courier New";color:black'>  SFFloat [in,out] beamWidth        </span><span style='font-size:8.5pt;font-family:"Times New Roman",serif;color:black'>đ</span><span style='font-size:8.5pt;font-family:"Courier New";color:black'>/4      (0,</span><span style='font-size:8.5pt;font-family:"Times New Roman",serif;color:black'>đ</span><span style='font-size:8.5pt;font-family:"Courier New";color:black'>/2]<o:p></o:p></span></p><p class=MsoNormal style='margin-left:18.75pt'><span style='font-size:8.5pt;font-family:"Courier New";color:black'><o:p> </o:p></span></p><p class=MsoNormal style='margin-left:18.75pt'><span style='font-size:8.5pt;font-family:"Courier New";color:black'>  SFFloat [in,out] cutOffAngle      </span><span style='font-size:8.5pt;font-family:"Times New Roman",serif;color:black'>đ</span><span style='font-size:8.5pt;font-family:"Courier New";color:black'>/2      (0,</span><span style='font-size:8.5pt;font-family:"Times New Roman",serif;color:black'>đ</span><span style='font-size:8.5pt;font-family:"Courier New";color:black'>/2]<o:p></o:p></span></p><p class=MsoNormal style='margin-left:18.75pt'><span style='font-size:8.5pt;font-family:"Courier New";color:black'>}<o:p></o:p></span></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 lfo4'>X3D4 Architecture, Lighting component, Figure 17.1 — SpotLight node<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo4'>https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4-CD1/Part01/components/lighting.html#f-SpotLightnode<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:l0 level1 lfo4'>[x3d-public] Defaults of SpotLight.cutOffAngle, beamWidth changed (maybe by mistake) in X3D 3.3<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo4'>https://web3d.org/pipermail/x3d-public_web3d.org/2022-February/016744.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:l0 level1 lfo4'>Mantis <span style='font-size:10.0pt;font-family:"Verdana",sans-serif;color:black;background:#F3F3F3'>441: 17.4.3 SpotLight -- Default Values (resolved 2009)</span><o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo4'>https://www.web3d.org/member-only/mantis/view.php?id=441<o:p></o:p></li></ul><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Michalis has agreed to walk us through this.  Goal outcomes for confirmation:<o:p></o:p></p><ol style='margin-top:0in' start=1 type=a><li class=MsoListParagraph style='margin-left:0in;mso-list:l5 level1 lfo6'>is figure OK?<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l5 level1 lfo6'>Is relationship correct, typically beamWidth <= cutoffAngle<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l5 level1 lfo6'>Should we modify default values?<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l5 level1 lfo6'>Should we improve prose for clarity?<o:p></o:p></li></ol><p class=MsoNormal><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=2 type=1><li class=MsoListParagraph style='margin-left:-.25in;mso-list:l6 level1 lfo5'>Working on Mantis issues for Volume Rendering component<o:p></o:p></li></ol><ul style='margin-top:0in' type=disc><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo4'>https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4-CD1/Part01/Architecture.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:l0 level1 lfo4'>X3D4 Architecture, Volume rendering component<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo4'>https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4-CD1/Part01/Architecture.html<o:p></o:p></li></ul><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Nicholas and Michalis: please comment on following issues:<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 lfo4'>Mantis 917: Table 41.7 Volume rendering component support levels - ShadedVolumeStyle shadows support unclear<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo4'>https://www.web3d.org/member-only/mantis/view.php?id=917<o:p></o:p></li></ul><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>and<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 lfo4'>Mantis 709: 41.4.4 ComposedVolumeStyle - Remove reference to ordered field<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo4'>https://www.web3d.org/member-only/mantis/view.php?id=709<o:p></o:p></li></ul><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Can we remove ‘ordered’ field from table?<o:p></o:p></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><ol style='margin-top:0in' start=3 type=1><li class=MsoListParagraph style='margin-left:-.25in;mso-list:l6 level1 lfo5'>Other topics of group interest… are always welcome.<o:p></o:p></li></ol><p class=MsoNormal><br>Membership has value! Please consider joining Web3D Consortium.  <o:p></o:p></p><ul style='margin-top:0in' type=disc><li class=MsoListParagraph style='margin-left:0in;mso-list:l2 level1 lfo3'><a href="https://www.web3D.org/join">https://www.web3D.org/join</a> <o:p></o:p></li></ul><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thanks for all preparations and inputs.  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        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></div></body></html>