<div dir="ltr">What I found useful about the auto-generated examples scenes like helloworld.py in python for X3D.py: I could use them as examples for how to use the X3D.py API. <div>What does the x3djsonld.py output scene load to? Do you have python classes for nodes? If so you could substitute the X3D node classes for your classes and bingo you have a json importer for x3d.py</div><div>-Doug<br><div><br></div></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Jun 27, 2023 at 7:34 PM John Carlson <<a href="mailto:yottzumm@gmail.com">yottzumm@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="auto">On first glance, this repo has not changed for a couple of years…vince?</div><div dir="auto"><br></div><div dir="auto">Also note that x3djsonld.py inputs JSON and outputs Python. X3dToPython.xslt would convert from XML to Python.</div><div dir="auto"><br></div><div dir="auto">My Python serializer is working towards near present Mojo capabilities, but Mojo does not currently support x3d.py library that i know of; a request for support has been entered. Mojo is primarily suited for AI…that means support for compilation to multiple graphics/AI cards.</div><div dir="auto"><br></div><div dir="auto">Ideally, this will all land on a web page sometime. The current Mojo playground is a Jupyter derivation.</div><div dir="auto"><br></div><div dir="auto">John</div><div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Jun 27, 2023 at 8:17 PM John Carlson <<a href="mailto:yottzumm@gmail.com" target="_blank">yottzumm@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="auto">I believe there is a repo for blender export/import. Maybe Vince??? set it up and can add you?</div><div dir="auto"><br></div><div dir="auto">I can find a link, but it may be a private repo, not sure at this point.</div><div dir="auto"><br></div><div dir="auto"><div><a href="https://github.com/Web3DConsortium/BlenderX3DSupport" target="_blank">https://github.com/Web3DConsortium/BlenderX3DSupport</a></div><br></div><div dir="auto">Enjoy, if you can!</div><div dir="auto"><br></div><div dir="auto">John</div><div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Jun 27, 2023 at 4:42 PM GPU Group <<a href="mailto:gpugroup@gmail.com" target="_blank">gpugroup@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div>PHASE I complete:</div>I have a Cube and light exporting via the 2-step with x3d.py<div>- by hacking the current x3d exporter aka OFFICIAL exporter</div><div>x so it doesn't do anything fancy / no gltf animations or hanim yet</div><div>x no import</div><div>* but has gltf export/import menu, ready for phase ii</div><div>- I have the syntax worked out for going from blender to x3d aka b2x</div><div>- temporary name: web3d x3dv exporter</div><div>Q. should we have it in a community git / github repo, like gltf exporter? If so how to set it up so multiple parties can git push?</div><div>-Doug</div><div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Jun 22, 2023 at 5:13 PM GPU Group <<a href="mailto:gpugroup@gmail.com" target="_blank">gpugroup@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">John,<div>x3d.py looks interesting -- the node classes have XML, JSON, HTML, VRML export functions (missing equivalent import functions?)<div>- I'll study it </div><div>-Doug</div></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Jun 22, 2023 at 4:48 PM John Carlson <<a href="mailto:yottzumm@gmail.com" target="_blank">yottzumm@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="auto">Check out x3d.py X3DPSAIL for python graph.</div><div dir="auto">Check out x3djsonld.py (X3DJSONLD) for JSON -> x3d.py structures -> XML, HTML5,VRML, etc.</div><div dir="auto"><br></div><div dir="auto"> x3djsonld.py needs more work.</div><div dir="auto"><br></div><div dir="auto">John</div><div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Jun 22, 2023 at 4:51 PM GPU Group <<a href="mailto:gpugroup@gmail.com" target="_blank">gpugroup@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">A quick peek at gltf export/import: they do a 2-step conversion<div>blender scenegraph <=> gltf scenegraph <=> files (.gltf, .glb etc)</div><div>I've seen 2-step before, with collada exporter</div><div>I don't quite understand the need for the middle format - seems a bit bureaucratic - but working well for them, perhaps easier to maintain 2-way conversions per-node-class. And can export /import to different file formats .x3dv and .x3d from same middle format. They also mention something generated automatically from some specification.</div><div>Options:</div><div>1. do what they do, except with a web3d python scenegraph in the middle</div><div>a) if someone has one already, use that</div><div>b) generate one from specifications</div><div>c) manually create one in python</div><div>2. copy their bender <=> gltf part, and change the gltf <=> files part to x3dv,x3d</div><div>x but would be missing things that gltf doesn't have but web3d does?</div><div>3. stick with 1-step, hack / upgrade current x3d exporter using gltf blender <=> gltf as guide to getting all the blender goodies</div><div><br></div><div>1.a) Q. does anyone have python web3d node classes suitable for a scenegraph, or b) can generate from specs?</div><div>Thanks,</div><div>-Doug</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Jun 22, 2023 at 2:38 PM Brutzman, Donald (Don) (CIV) <<a href="mailto:brutzman@nps.edu" target="_blank">brutzman@nps.edu</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div><div lang="EN-US"><div><p>I too share that Blender->X3D conversion dream, Michalis! 8)<u></u><u></u></p><p><u></u> <u></u></p><p>Given that X3D data types are clearly defined with thorough animation/interaction support, and given that you have indeed mapped glTF 2.0 rendering into X3D 4.0 capabilities, it is reasonable for anyone pursuing this effort to expect that complete success of rendering and animation is indeed possible. Good to know when pursuing worthy goals.<u></u><u></u></p><p><u></u> <u></u></p><p>all the best, Don<u></u><u></u></p><p>-- <u></u><u></u></p><p>Don Brutzman Naval Postgraduate School, Code USW/Br <a href="mailto:brutzman@nps.edu" target="_blank">brutzman@nps.edu</a><u></u><u></u></p><p>Watkins 270, MOVES Institute, Monterey CA 93943-5000 USA +1.831.656.2149<u></u><u></u></p><p>X3D graphics, virtual worlds, navy robotics <a href="https://faculty.nps.edu/brutzman" target="_blank">https://faculty.nps.edu/brutzman</a><u></u><u></u></p><p><u></u> <u></u></p><p>-----Original Message-----<br>From: x3d-public <<a href="mailto:x3d-public-bounces@web3d.org" target="_blank">x3d-public-bounces@web3d.org</a>> On Behalf Of Michalis Kamburelis<br>Sent: Thursday, June 22, 2023 9:40 AM<br>To: GPU Group <<a href="mailto:gpugroup@gmail.com" target="_blank">gpugroup@gmail.com</a>><br>Cc: X3D Graphics public mailing list <<a href="mailto:x3d-public@web3d.org" target="_blank">x3d-public@web3d.org</a>><br>Subject: Re: [x3d-public] Blender > Exporting rig transforms to HAnim?</p><p><u></u> <u></u></p><p>Blender->glTF exporter from Khronos (<u></u><u></u></p><p><a href="https://github.com/KhronosGroup/glTF-Blender-IO/" target="_blank">https://github.com/KhronosGroup/glTF-Blender-IO/</a> , regularly synched to the version bundled with Blender) has great support for animations.<u></u><u></u></p><p>Simple animations (changing transformations), shape keys (this means "CoordinateInterpolator" in X3D), skinning (H-Anim in X3D). And it supports some more things too :) Like working textures, PBR, custom properties ("metadata" in X3D).<u></u><u></u></p><p><u></u> <u></u></p><p>I indeed dream that someone will have time to upgrade the Blender->X3D exporter to add there these capabilities, and yes, looking at<u></u><u></u></p><p>Blender->glTF exporter is a reasonable approach for this.<u></u><u></u></p><p><u></u> <u></u></p><p>Regards,<u></u><u></u></p><p>Michalis<u></u><u></u></p><p><u></u> <u></u></p><p><u></u> <u></u></p><p>czw., 22 cze 2023 o 18:31 GPU Group <<a href="mailto:gpugroup@gmail.com" target="_blank"><span style="text-decoration:none;color:windowtext">gpugroup@gmail.com</span></a>> napisał(a):<u></u><u></u></p><p>><u></u> <u></u></p><p>> Thanks Michalis for info.<u></u><u></u></p><p>> Q. Does another Blender exporter for another format (not x3d) export the rig transforms / animations?<u></u><u></u></p><p>> Hypothesis: if another exporter does, then it would be possible to copy / adapt code from that exporter to x3d exporter.<u></u><u></u></p><p>> -Doug<u></u><u></u></p><p>><u></u> <u></u></p><p>> On Thu, Jun 22, 2023 at 10:22 AM Michalis Kamburelis <<a href="mailto:michalis.kambi@gmail.com" target="_blank"><span style="text-decoration:none;color:windowtext">michalis.kambi@gmail.com</span></a>> wrote:<u></u><u></u></p><p>>><u></u> <u></u></p><p>>> The Blender->X3D exporter unfortunately doesn't support animations <u></u><u></u></p><p>>> (of any kind - even simple transformations, not to mention skinning <u></u><u></u></p><p>>> animation with H-Anim).<u></u><u></u></p><p>>><u></u> <u></u></p><p>>> Regards,<u></u><u></u></p><p>>> Michalis<u></u><u></u></p><p>>><u></u> <u></u></p><p>>><u></u> <u></u></p><p>>><u></u> <u></u></p><p>>> czw., 22 cze 2023 o 18:16 GPU Group <<a href="mailto:gpugroup@gmail.com" target="_blank"><span style="text-decoration:none;color:windowtext">gpugroup@gmail.com</span></a>> napisał(a):<u></u><u></u></p><p>>> ><u></u><u></u></p><p>>> > If I make a skin and add a rig in Blender, on export, how do I get any rig transforms to export to HAnim along with the skin?<u></u><u></u></p><p>>> > When I use the default x3d export, all I see is the skin in an IndexedFaceSet.<u></u><u></u></p><p>_______________________________________________<u></u><u></u></p><p>x3d-public mailing list<u></u><u></u></p><p><a href="mailto:x3d-public@web3d.org" target="_blank"><span style="text-decoration:none;color:windowtext">x3d-public@web3d.org</span></a><u></u><u></u></p><p><a href="http://web3d.org/mailman/listinfo/x3d-public_web3d.org" target="_blank"><span style="text-decoration:none;color:windowtext">http://web3d.org/mailman/listinfo/x3d-public_web3d.org</span></a><u></u><u></u></p></div></div></div></blockquote></div>
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