<div dir="auto">For those who aren’t familiar, I will try to outline the requirement for @, - and # property prefixes in X3D JSON.</div><div dir="auto"><br></div><div dir="auto">@ is for non-MFNode, non-SFNode fields.</div><div dir="auto">- is for MFNode and SFNode fields.</div><div dir="auto"># is for comments and source code—shaders and scripts.</div><div dir="auto"><br></div><div dir="auto">The problem is that when you want to access, say geometry or appearance, you have to do:</div><div dir="auto"><br></div><div dir="auto">shape[‘-appearance’] instead of shape.appearance.</div><div dir="auto"><br></div><div dir="auto">AFAIK, shape.-appearance just doesn’t work.</div><div dir="auto"><br></div><div dir="auto">Similarly,</div><div dir="auto"><br></div><div dir="auto">transform[‘@translation’]</div><div dir="auto"><br></div><div dir="auto">vs</div><div dir="auto"><br></div><div dir="auto">transform.translation</div><div dir="auto"><br></div><div dir="auto">And again, transform.@translation doesn’t work.</div><div dir="auto"><br></div><div dir="auto">I understand there might be problems with this “new” approach. Let’s try to lay out pros vs cons.</div><div dir="auto"><br></div><div dir="auto">I think my current goal is to make parsing and generation of JSON easy. My thought is to take out the @ and leave - and #. We already have examples of that in the X3D node.</div><div dir="auto"><br></div><div dir="auto">What do you think?</div><div dir="auto"><br></div><div dir="auto">John</div><div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Mon, Feb 16, 2026 at 7:55 PM John Carlson <<a href="mailto:yottzumm@gmail.com">yottzumm@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="auto">As one can see from this example code, the property prefixes @, # and - aren’t necessary in X3D JSON: <div style="font-size:inherit"><a href="https://github.com/coderextreme/my-second-react-three-app/blob/main/src/App.jsx" style="font-size:inherit" target="_blank">https://github.com/coderextreme/my-second-react-three-app/blob/main/src/App.jsx</a></div><div style="font-size:inherit" dir="auto"><br></div><div style="font-size:inherit" dir="auto">Let’s think about removing these from X3D JSON. We need to consider performance and ease of use and development. If there’s no need, why did we invent the prefixes, to make JavaScript and TypeScript developers tear their hair out?</div><div style="font-size:inherit" dir="auto"><br></div><div style="font-size:inherit" dir="auto">Thanks!</div></div><div dir="auto"><div style="font-size:inherit" dir="auto"><br></div><div style="font-size:inherit" dir="auto">John </div></div><div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Feb 16, 2026 at 6:47 PM John Carlson <<a href="mailto:yottzumm@gmail.com" target="_blank">yottzumm@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="auto">If there’s time on the agenda, I’d like to present a beginnings of an “X3D JSON” viewer/editor developed with AI using React and THREE.js with WebGPU renderer. This is quite different than the three-x3d-loader previously presented, and is along the lines of AFrame but not even Interchange profile.</div><div dir="auto"><br></div><div dir="auto">There’s obviously a lot more work to do.</div><div dir="auto"><br></div><div dir="auto">Thanks!</div><div dir="auto"><br></div><div dir="auto">John </div><div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Feb 16, 2026 at 4:47 PM Anita Havele via AI <<a href="mailto:ai@web3d.org" target="_blank">ai@web3d.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex" dir="auto">Anita Havele <<a href="mailto:anita.havele@web3d.org" target="_blank">anita.havele@web3d.org</a>> has invited you to Agenda — AI-X3D SIG Meeting on Feb 17, 2026 AT 8:00 AM PST (GMT-8)<br>
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