<div dir="ltr">It could be that my reader is bad. I just assumed that stuff like:<div><br></div><div>I just assumed stuff like:</div><div><br></div><div>const f = view.getFloat32(offset, true); offset += 4;</div><div><br></div><div>And this would work:</div><div><br></div><div> const header = new DataView(buffer, 0);<br> const header_text = decoder.decode(new DataView(header.buffer, 0, binaryStart));<br> const view = new DataView(buffer, binaryStart);</div></div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Tue, Feb 17, 2026 at 8:03 PM Bergstrom, Aaron <<a href="mailto:aaron.bergstrom@und.edu">aaron.bergstrom@und.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 class="msg2628693735055822419">
<div lang="EN-US" style="overflow-wrap: break-word;">
<div class="m_2628693735055822419WordSection1">
<p class="MsoNormal">That could be, I didn’t look at the raw files. I saved what SuperSplat generated.<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">However, I provided the same files to the AOUSD emerging geometries group, and the feedback was positive.<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">Aaron<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<div style="border-right:none;border-bottom:none;border-left:none;border-top:1pt solid rgb(225,225,225);padding:3pt 0in 0in">
<p class="MsoNormal"><b>From:</b> John Carlson <<a href="mailto:yottzumm@gmail.com" target="_blank">yottzumm@gmail.com</a>> <br>
<b>Sent:</b> Tuesday, February 17, 2026 7:59 PM<br>
<b>To:</b> X3D Ecosystem public discussion <<a href="mailto:x3d-ecosystem@web3d.org" target="_blank">x3d-ecosystem@web3d.org</a>>; Interaction of AI with Web3D Technologies <<a href="mailto:ai@web3d.org" target="_blank">ai@web3d.org</a>>; <a href="mailto:x3d-ai@web3d.org" target="_blank">x3d-ai@web3d.org</a>; Anita Havele <<a href="mailto:anita.havele@web3d.org" target="_blank">anita.havele@web3d.org</a>>; Bergstrom, Aaron <<a href="mailto:aaron.bergstrom@und.edu" target="_blank">aaron.bergstrom@und.edu</a>><br>
<b>Subject:</b> Gaussian Splat data (from Aaron) negative scale data<u></u><u></u></p>
</div>
<p class="MsoNormal"><u></u> <u></u></p>
<div>
<p class="MsoNormal">I looked again at the gaussian splat data from Aaron, and I discovered that there were negative scale values!' Ouch.<u></u><u></u></p>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal">That might mean that the file is corrupted, my reader is bad, or negative scales are normal,<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal">If anyone is looking at the data from the PLY files, can they confirm or deny?<br>
<br>
Thanks,<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal">John<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal">Don had a cool way of sorting Points into PointSets by scale, but if we can't get the right scale, that's going to be problematic.<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal">John<u></u><u></u></p>
</div>
</div>
</div>
</div>
</div></blockquote></div>