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<p class="MsoNormal">Hi Vince. I belatedly found the attached scene lingering on my desktop. Looked like the goal was to show nested MetadataSet nodes.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I’ve added some information to the scene, and validated them. Also adapted matching side-by-side versions for X3D3 and X3D4 to illustrate small differences in syntax.<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 15 Metadata
<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1">https://x3dgraphics.com/examples/X3dForWebAuthors/Chapter15Metadata
<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 lfo1">World Info Example Metadata Set X3D 3<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1">https://x3dgraphics.com/examples/X3dForWebAuthors/Chapter15Metadata/WorldInfoExampleMetadataSetX3D3Index.html<o:p></o:p></li></ul>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-family:"Times New Roman",serif;color:black"><</span><span class="element"><span style="font-family:"Times New Roman",serif;color:navy">WorldInfo</span></span><span style="font-family:"Times New Roman",serif;color:black">></span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Times New Roman",serif;color:black"> <!-- WorldInfo single available child field of interest is 'metadata' and so contained MetadataSet must have containerField='metadata' which IS the default in X3D3' --><br>
<</span><span class="element"><span style="font-family:"Times New Roman",serif;color:navy">MetadataSet</span></span><span style="font-family:"Times New Roman",serif;color:black"> </span><span class="attribute"><span style="font-family:"Times New Roman",serif;color:green">containerField</span></span><span style="font-family:"Times New Roman",serif;color:black">='</span><span class="value"><span style="font-family:"Times New Roman",serif;color:teal">metadata</span></span><span style="font-family:"Times New Roman",serif;color:black">' </span><span class="attribute"><span style="font-family:"Times New Roman",serif;color:green">name</span></span><span style="font-family:"Times New Roman",serif;color:black">='</span><span class="value"><span style="font-family:"Times New Roman",serif;color:teal">birthday</span></span><span style="font-family:"Times New Roman",serif;color:black">' </span><span class="attribute"><span style="font-family:"Times New Roman",serif;color:green">reference</span></span><span style="font-family:"Times New Roman",serif;color:black">=' <a href="http://www.americaslibrary.gov/jb/colonial/jb_colonial_washingtn_2.html">http://www.americaslibrary.gov/jb/colonial/jb_colonial_washingtn_2.html</a> '><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Times New Roman",serif;color:black"> <</span><span class="element"><span style="font-family:"Times New Roman",serif;color:navy">MetadataString</span></span><span style="font-family:"Times New Roman",serif;color:black"> </span><span class="attribute"><span style="font-family:"Times New Roman",serif;color:green">containerField</span></span><span style="font-family:"Times New Roman",serif;color:black">='</span><span class="value"><span style="font-family:"Times New Roman",serif;color:teal">metadata</span></span><span style="font-family:"Times New Roman",serif;color:black">' </span><span class="attribute"><span style="font-family:"Times New Roman",serif;color:green">name</span></span><span style="font-family:"Times New Roman",serif;color:black">='</span><span class="value"><span style="font-family:"Times New Roman",serif;color:teal">calendar</span></span><span style="font-family:"Times New Roman",serif;color:black">' </span><span class="attribute"><span style="font-family:"Times New Roman",serif;color:green">reference</span></span><span style="font-family:"Times New Roman",serif;color:black">='</span><span class="value"><span style="font-family:"Times New Roman",serif;color:teal">this
node describes nature of parent node, and is not intended as a data value</span></span><span style="font-family:"Times New Roman",serif;color:black">' </span><span class="attribute"><span style="font-family:"Times New Roman",serif;color:green">value</span></span><span style="font-family:"Times New Roman",serif;color:black">='</span><span class="value"><span style="font-family:"Times New Roman",serif;color:teal">"Julian"</span></span><span style="font-family:"Times New Roman",serif;color:black">'/><br>
<!-- MetadataSet next field of interest is 'value' and so contained Metadata nodes must have containerField='value' which IS NOT default in X3D3' --><br>
<</span><span class="element"><span style="font-family:"Times New Roman",serif;color:navy">MetadataInteger</span></span><span style="font-family:"Times New Roman",serif;color:black"> </span><span class="attribute"><span style="font-family:"Times New Roman",serif;color:green">containerField</span></span><span style="font-family:"Times New Roman",serif;color:black">='</span><span class="value"><span style="font-family:"Times New Roman",serif;color:teal">value</span></span><span style="font-family:"Times New Roman",serif;color:black">' </span><span class="attribute"><span style="font-family:"Times New Roman",serif;color:green">name</span></span><span style="font-family:"Times New Roman",serif;color:black">='</span><span class="value"><span style="font-family:"Times New Roman",serif;color:teal">day</span></span><span style="font-family:"Times New Roman",serif;color:black">' </span><span class="attribute"><span style="font-family:"Times New Roman",serif;color:green">value</span></span><span style="font-family:"Times New Roman",serif;color:black">='</span><span class="value"><span style="font-family:"Times New Roman",serif;color:teal">11</span></span><span style="font-family:"Times New Roman",serif;color:black">'/><br>
<</span><span class="element"><span style="font-family:"Times New Roman",serif;color:navy">MetadataInteger</span></span><span style="font-family:"Times New Roman",serif;color:black"> </span><span class="attribute"><span style="font-family:"Times New Roman",serif;color:green">containerField</span></span><span style="font-family:"Times New Roman",serif;color:black">='</span><span class="value"><span style="font-family:"Times New Roman",serif;color:teal">value</span></span><span style="font-family:"Times New Roman",serif;color:black">' </span><span class="attribute"><span style="font-family:"Times New Roman",serif;color:green">name</span></span><span style="font-family:"Times New Roman",serif;color:black">='</span><span class="value"><span style="font-family:"Times New Roman",serif;color:teal">month</span></span><span style="font-family:"Times New Roman",serif;color:black">' </span><span class="attribute"><span style="font-family:"Times New Roman",serif;color:green">value</span></span><span style="font-family:"Times New Roman",serif;color:black">='</span><span class="value"><span style="font-family:"Times New Roman",serif;color:teal">2</span></span><span style="font-family:"Times New Roman",serif;color:black">'/><br>
<</span><span class="element"><span style="font-family:"Times New Roman",serif;color:navy">MetadataInteger</span></span><span style="font-family:"Times New Roman",serif;color:black"> </span><span class="attribute"><span style="font-family:"Times New Roman",serif;color:green">containerField</span></span><span style="font-family:"Times New Roman",serif;color:black">='</span><span class="value"><span style="font-family:"Times New Roman",serif;color:teal">value</span></span><span style="font-family:"Times New Roman",serif;color:black">' </span><span class="attribute"><span style="font-family:"Times New Roman",serif;color:green">name</span></span><span style="font-family:"Times New Roman",serif;color:black">='</span><span class="value"><span style="font-family:"Times New Roman",serif;color:teal">year</span></span><span style="font-family:"Times New Roman",serif;color:black">' </span><span class="attribute"><span style="font-family:"Times New Roman",serif;color:green">value</span></span><span style="font-family:"Times New Roman",serif;color:black">='</span><span class="value"><span style="font-family:"Times New Roman",serif;color:teal">1731</span></span><span style="font-family:"Times New Roman",serif;color:black">'/><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Times New Roman",serif;color:black"> </</span><span class="element"><span style="font-family:"Times New Roman",serif;color:navy">MetadataSet</span></span><span style="font-family:"Times New Roman",serif;color:black">><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Times New Roman",serif;color:black"></</span><span class="element"><span style="font-family:"Times New Roman",serif;color:navy">WorldInfo</span></span><span style="font-family:"Times New Roman",serif;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 lfo1">World Info Example Metadata Set X3D 4<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1">https://x3dgraphics.com/examples/X3dForWebAuthors/Chapter15Metadata/WorldInfoExampleMetadataSetX3D4Index.html<o:p></o:p></li></ul>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-family:"Times New Roman",serif;color:black"><</span><span class="element"><span style="font-family:"Times New Roman",serif;color:navy">WorldInfo</span></span><span style="font-family:"Times New Roman",serif;color:black">></span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Times New Roman",serif;color:black"> <!-- WorldInfo single available child field of interest is 'metadata' so contained MetadataSet must have containerField='metadata' which IS NOT default in X3D4' --><br>
<</span><span class="element"><span style="font-family:"Times New Roman",serif;color:navy">MetadataSet</span></span><span style="font-family:"Times New Roman",serif;color:black"> </span><span class="attribute"><span style="font-family:"Times New Roman",serif;color:green">containerField</span></span><span style="font-family:"Times New Roman",serif;color:black">='</span><span class="value"><span style="font-family:"Times New Roman",serif;color:teal">metadata</span></span><span style="font-family:"Times New Roman",serif;color:black">' </span><span class="attribute"><span style="font-family:"Times New Roman",serif;color:green">name</span></span><span style="font-family:"Times New Roman",serif;color:black">='</span><span class="value"><span style="font-family:"Times New Roman",serif;color:teal">birthday</span></span><span style="font-family:"Times New Roman",serif;color:black">' </span><span class="attribute"><span style="font-family:"Times New Roman",serif;color:green">reference</span></span><span style="font-family:"Times New Roman",serif;color:black">=' <a href="http://www.americaslibrary.gov/jb/colonial/jb_colonial_washingtn_2.html">http://www.americaslibrary.gov/jb/colonial/jb_colonial_washingtn_2.html</a> '><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Times New Roman",serif;color:black"> <</span><span class="element"><span style="font-family:"Times New Roman",serif;color:navy">MetadataString</span></span><span style="font-family:"Times New Roman",serif;color:black"> </span><span class="attribute"><span style="font-family:"Times New Roman",serif;color:green">containerField</span></span><span style="font-family:"Times New Roman",serif;color:black">='</span><span class="value"><span style="font-family:"Times New Roman",serif;color:teal">metadata</span></span><span style="font-family:"Times New Roman",serif;color:black">' </span><span class="attribute"><span style="font-family:"Times New Roman",serif;color:green">name</span></span><span style="font-family:"Times New Roman",serif;color:black">='</span><span class="value"><span style="font-family:"Times New Roman",serif;color:teal">calendar</span></span><span style="font-family:"Times New Roman",serif;color:black">' </span><span class="attribute"><span style="font-family:"Times New Roman",serif;color:green">reference</span></span><span style="font-family:"Times New Roman",serif;color:black">='</span><span class="value"><span style="font-family:"Times New Roman",serif;color:teal">this
node describes nature of parent node, and is not intended as a data value</span></span><span style="font-family:"Times New Roman",serif;color:black">' </span><span class="attribute"><span style="font-family:"Times New Roman",serif;color:green">value</span></span><span style="font-family:"Times New Roman",serif;color:black">='</span><span class="value"><span style="font-family:"Times New Roman",serif;color:teal">"Julian"</span></span><span style="font-family:"Times New Roman",serif;color:black">'/><br>
<!-- MetadataSet next field of interest is 'value' and so contained Metadata nodes must have containerField='value' which IS the default in X3D4' --><br>
<</span><span class="element"><span style="font-family:"Times New Roman",serif;color:navy">MetadataInteger</span></span><span style="font-family:"Times New Roman",serif;color:black"> </span><span class="attribute"><span style="font-family:"Times New Roman",serif;color:green">name</span></span><span style="font-family:"Times New Roman",serif;color:black">='</span><span class="value"><span style="font-family:"Times New Roman",serif;color:teal">day</span></span><span style="font-family:"Times New Roman",serif;color:black">' </span><span class="attribute"><span style="font-family:"Times New Roman",serif;color:green">value</span></span><span style="font-family:"Times New Roman",serif;color:black">='</span><span class="value"><span style="font-family:"Times New Roman",serif;color:teal">11</span></span><span style="font-family:"Times New Roman",serif;color:black">' </span><span class="attribute"><span style="font-family:"Times New Roman",serif;color:green">containerField</span></span><span style="font-family:"Times New Roman",serif;color:black">='</span><span class="value"><span style="font-family:"Times New Roman",serif;color:teal">value</span></span><span style="font-family:"Times New Roman",serif;color:black">'/><br>
<</span><span class="element"><span style="font-family:"Times New Roman",serif;color:navy">MetadataInteger</span></span><span style="font-family:"Times New Roman",serif;color:black"> </span><span class="attribute"><span style="font-family:"Times New Roman",serif;color:green">name</span></span><span style="font-family:"Times New Roman",serif;color:black">='</span><span class="value"><span style="font-family:"Times New Roman",serif;color:teal">month</span></span><span style="font-family:"Times New Roman",serif;color:black">' </span><span class="attribute"><span style="font-family:"Times New Roman",serif;color:green">value</span></span><span style="font-family:"Times New Roman",serif;color:black">='</span><span class="value"><span style="font-family:"Times New Roman",serif;color:teal">2</span></span><span style="font-family:"Times New Roman",serif;color:black">' </span><span class="attribute"><span style="font-family:"Times New Roman",serif;color:green">containerField</span></span><span style="font-family:"Times New Roman",serif;color:black">='</span><span class="value"><span style="font-family:"Times New Roman",serif;color:teal">value</span></span><span style="font-family:"Times New Roman",serif;color:black">'/><br>
<</span><span class="element"><span style="font-family:"Times New Roman",serif;color:navy">MetadataInteger</span></span><span style="font-family:"Times New Roman",serif;color:black"> </span><span class="attribute"><span style="font-family:"Times New Roman",serif;color:green">name</span></span><span style="font-family:"Times New Roman",serif;color:black">='</span><span class="value"><span style="font-family:"Times New Roman",serif;color:teal">year</span></span><span style="font-family:"Times New Roman",serif;color:black">' </span><span class="attribute"><span style="font-family:"Times New Roman",serif;color:green">value</span></span><span style="font-family:"Times New Roman",serif;color:black">='</span><span class="value"><span style="font-family:"Times New Roman",serif;color:teal">1731</span></span><span style="font-family:"Times New Roman",serif;color:black">' </span><span class="attribute"><span style="font-family:"Times New Roman",serif;color:green">containerField</span></span><span style="font-family:"Times New Roman",serif;color:black">='</span><span class="value"><span style="font-family:"Times New Roman",serif;color:teal">value</span></span><span style="font-family:"Times New Roman",serif;color:black">'/><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Times New Roman",serif;color:black"> </</span><span class="element"><span style="font-family:"Times New Roman",serif;color:navy">MetadataSet</span></span><span style="font-family:"Times New Roman",serif;color:black">><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Times New Roman",serif;color:black"></</span><span class="element"><span style="font-family:"Times New Roman",serif;color:navy">WorldInfo</span></span><span style="font-family:"Times New Roman",serif;color:black">></span><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Hopefully that is moving in the directions you want, let’s keep improving. Thanks for initiating this effort.<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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