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--></style></head><body lang=EN-US link=blue vlink="#954F72" style='word-wrap:break-word'><div class=WordSection1><p class=MsoNormal>Hi Don and All, </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:l1 level1 lfo2'>The USE pattern we were working on in the X3D JSON Schema was common to all nodes,</li></ul><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Then I think this could result in patterns that are not ‘standard’ or acceptable or usable syntax. As I read the example for hanimdisplacer which sort of matches construction of an interpolator node it appeared that I could put a USE in there to reference another displacer, I guess in order to use the same points and displacements(?) as one already defined. Maybe I am reading it wrong but I still can’t think of any example of displacer or any other interpolator where a USE is appropriate. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>And, for hanim, I predict still no ‘standard’ humanoid is able to have a USE included in Joint, Segment, or Site nodes of a ‘standard’ skeleton, although contained nodes of those nodes may use previously defined stuffs.<o:p></o:p></p><p class=MsoNormal>So, is the USE really common to all nodes? If so, then I want extension to be able to USE just a field of another node, such as using a common key time sequence in a set of interpolators. <o:p></o:p></p><p class=MsoNormal>Respectfully seeking the Universal Pattern(s) … <o:p></o:p></p><p class=MsoNormal>All Best, <o:p></o:p></p><p class=MsoNormal>Joe<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><div style='mso-element:para-border-div;border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal style='border:none;padding:0in'><b>From: </b><a href="mailto:brutzman@nps.edu">Brutzman, Donald (Don) (CIV)</a><br><b>Sent: </b>Monday, October 25, 2021 12:10 AM<br><b>To: </b><a href="mailto:joedwil@earthlink.net">Joseph D Williams</a>; <a href="mailto:yottzumm@gmail.com">John Carlson</a><br><b>Cc: </b><a href="mailto:x3d-public@web3d.org">X3D Public Mailing List (x3d-public@web3d.org)</a><br><b>Subject: </b>RE: [x3d-public] JSON Schema meeting minutes</p></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Hi Joe. The USE pattern we were working on in the X3D JSON Schema was common to all nodes, not just HAnim nodes. So no change of functionality expected.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>We are always striving for consistent expressive power for all the different language bindings and file encodings.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>We have 3950 X3D Examples to test. More are always welcome for the archives if you think that further coverage is needed of some capability.<o:p></o:p></p><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",serif'>-- <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="https://faculty.nps.edu/brutzman">https://faculty.nps.edu/brutzman</a></span><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b>From: </b><a href="mailto:joedwil@earthlink.net">Joseph D Williams</a><br><b>Sent: </b>Sunday, October 24, 2021 5:12 PM<br><b>To: </b><a href="mailto:yottzumm@gmail.com">John Carlson</a>; <a href="mailto:brutzman@nps.edu">Brutzman, Donald (Don) (CIV)</a><br><b>Cc: </b><a href="mailto:x3d-public@web3d.org">X3D Public Mailing List (x3d-public@web3d.org)</a><br><b>Subject: </b>RE: [x3d-public] JSON Schema meeting minutes<o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>Hi John, Getting this to work will help. Are you looking for examples to validate, beginning with a .x3d file? <o:p></o:p></p><p class=MsoNormal>If I can include USE in the HanimDisplacer pt. then I can include USE as Interpolator key and value fields(?)<o:p></o:p></p><p class=MsoNormal>Including a USE in any of the HAnim… nodes Joints, Segments, Sites is not going to work unless, well, I can’t really see how it would work in a ‘standard’ humanoid.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thanks,<o:p></o:p></p><p class=MsoNormal>Joe<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b>From: </b><a href="mailto:yottzumm@gmail.com">John Carlson</a><br><b>Sent: </b>Sunday, October 24, 2021 11:44 AM<br><b>To: </b><a href="mailto:brutzman@nps.edu">Brutzman, Donald (Don) (CIV)</a><br><b>Cc: </b><a href="mailto:x3d-public@web3d.org">X3D Public Mailing List (x3d-public@web3d.org)</a><br><b>Subject: </b>Re: [x3d-public] JSON Schema meeting minutes<o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Don, schema is here, python seems to be working with added metaschema checks.<br><br><a href="https://nam10.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Fcoderextreme%2FX3DJSONLD%2Ftree%2Fmaster%2Fsrc%2Fmain%2Fschema&data=04%7C01%7Cbrutzman%40nps.edu%7C51fbb182092b4d5bb02c08d9974c199c%7C6d936231a51740ea9199f7578963378e%7C0%7C0%7C637707175517256956%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=ZcklHNEBEtinlpnaTacqhx6dQUY2X0MYdh7vhMIRo1M%3D&reserved=0">https://github.com/coderextreme/X3DJSONLD/tree/master/src/main/schema</a><o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Next on agenda is bpy to JSON conversion, possibly with added GUI/X3D conversion tool.<o:p></o:p></p></div><div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>John<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><div><p class=MsoNormal>Sent from my iPad<o:p></o:p></p></div><div><p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><p class=MsoNormal style='margin-bottom:12.0pt'>On Oct 18, 2021, at 5:09 PM, Brutzman, Donald (Don) (CIV) <brutzman@nps.edu> wrote:<o:p></o:p></p></blockquote></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal>John and I reviewed his latest schema today and discussed various design considerations.<o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal>His latest version, generated by a Python program reading X3DUOM, is found 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:l0 level1 lfo1'>https://github.com/coderextreme/X3DJSONLD/blob/master/src/main/schema/x3d-4.0-JSONSchema.json<o:p></o:p></li></ul><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal>Looking at the result in Firefox was helpful because that has a great way to look at JSON which allowed us to iconize/expand (fold/unfold) as needed. Excerpt follows.<o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal>The result looks great. One refinement John will handle: for nodes with a USE field, no -children nodes are permitted.<o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal>Once he has the next version, I will check it into the specifications directory (next to X3D XML Schema and XML DOCTYPE).<o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal>At that point we are ready to begin further validation efforts using multivarious tools against the many X3D examples in JSON, such as<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'>https://savage.nps.edu/Savage/GroundVehicles/Jeep/Jeep.json<o:p></o:p></li></ul><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal>Testing without regex patterns is good for now. A prior version had acceptable regex, so that appears to be do-able.<o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal>Having fun with X3D JSON! 8)<o:p></o:p></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New",serif'> </span><o:p></o:p></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New",serif'>all the best, Don</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New",serif'>-- </span><o:p></o:p></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New",serif'>Don Brutzman Naval Postgraduate School, Code USW/Br brutzman@nps.edu</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New",serif'>Watkins 270, MOVES Institute, Monterey CA 93943-5000 USA +1.831.656.2149</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New",serif'>X3D graphics, virtual worlds, navy robotics https://</span> <span style='font-size:10.0pt;font-family:"Courier New",serif'>faculty.nps.edu/brutzman</span><o:p></o:p></p></div></blockquote></div></div><p class=MsoNormal style='mso-margin-top-alt:0in;margin-right:.5in;margin-bottom:5.0pt;margin-left:.5in'> <o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>