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<p class="MsoNormal">We will meet at regular coordinates, 1000 pacific Friday 10 SEP 2021.</p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Today Dick and I worked on improved definition and example for nodes following the initial node in a prototype declaration.  We made excellent progress towards improved clarity. Review requested.</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 lfo1">4.4.4.3 PROTO definition semantics</li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1"><a href="https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4-CD1/Part01/concepts.html#PROTOdefinitionsemantics">https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4-CD1/Part01/concepts.html#PROTOdefinitionsemantics</a></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1">7.3.6 X3DPrototypeInstance</li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1"><a href="https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4-CD1/Part01/components/core.html#X3DPrototypeInstance">https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4-CD1/Part01/components/core.html#X3DPrototypeInstance</a></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1"><a href="https://www.web3d.org/member-only/mantis/view.php?id=1372">https://www.web3d.org/member-only/mantis/view.php?id=1372</a></li></ul>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Example image for discussion attached… if lines 24,,26 are moved up inside the Shape, or Appearance, or Box, then the prototype declaration is no longer a valid scene subgraph and fails validation.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><img border="0" width="870" height="542" style="width:9.0625in;height:5.6458in" id="Picture_x0020_3" src="cid:image001.png@01D7A570.0501C040"><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">A more detailed example can be found in X3D for Web Authors (X3D4WA), online 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:l0 level1 lfo1">X3D Example Archives: X3D4WA, X3D for Web Authors, Chapter 14 Prototypes, Material Modulator<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1"><a href="https://x3dgraphics.com/examples/X3dForWebAuthors/Chapter14Prototypes/MaterialModulatorIndex.html">https://x3dgraphics.com/examples/X3dForWebAuthors/Chapter14Prototypes/MaterialModulatorIndex.html</a>
<o:p></o:p></li></ul>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">all the best, Don<br>
<span style="font-size:10.0pt;font-family:"Courier New"">-- <br>
Don Brutzman  Naval Postgraduate School, Code USW/Br       brutzman@nps.edu<br>
Watkins 270,  MOVES Institute, Monterey CA 93943-5000 USA   +1.831.656.2149<br>
X3D graphics, virtual worlds, navy robotics <a href="http://faculty.nps.edu/brutzman">
http://faculty.nps.edu/brutzman</a></span><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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