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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><p class=MsoNormal>John, we have X3DUOM which is fully complete and correct model of X3D data structures.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>We are successfully generating Java and Python with ~100% correctness, fixing any stray edge cases when they emerge.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>We have potential to do exactly the same with JSON and JavaScript, as you know through your impressive efforts..<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The C, C++ and C# specification drafts and example codebases have been posted for comment. Who is testing them?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>You don’t need to change other codebases, just get our code patterns correct for each programming language, then when ready autogenerate the loader/setter classes. Boom presto done, everywhere that wants it.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>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 style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b>From:</b> x3d-public <x3d-public-bounces@web3d.org> <b>On Behalf Of </b>John Carlson<br><b>Sent:</b> Friday, April 15, 2022 4:50 PM<br><b>To:</b> X3D Graphics public mailing list <x3d-public@web3d.org><br><b>Subject:</b> [x3d-public] Member-only: X3D to Unity, Unreal, Blender, glTF<o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I’ve posted on this before.<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Instead of writing importers/loaders, I have a suggestion that we “compile” X3D user code to a variety of back ends, Unity, Unreal, Blender, glTF, three.js, PlayCanvas, Babylon.js etc.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Obviously we need some kind of Abstract Syntax Tree (AST) or Intermediate Representation (IR). I suggest we use subclasses of X3DJSAIL and/or x3d.py classes.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>I think Don would suggest using X3DJSONLD or XSLT as a basis. Note that X3DJSONLD uses DOM or Python dict as IR. I would prefer a typesafe IR.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Thoughts are welcome! What’s a good, accomplishable approach?<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Thanks,<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>John<o:p></o:p></p></div></div></body></html>