<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>Hey Britton and Stephen,</div><div><br></div><div>Unless it was already obvious, I just wanted to chime in that the inline FOF uses the same particles IDs in the main calculations of enzo.</div><div><br></div><div>John</div><br><div><div>On 15 Oct 2009, at 12:43, Britton Smith wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">Stephen,<br><br>It looks like if I take any random particle in a halo made with yt FOF, it's in a completely different halo in inline FOF, or not in any halo at all. Michele is checking this out right now, but it basically looks like the particle lists for the same halo found with the two different methods are completely different.<br>
<br>Britton<br><br><div class="gmail_quote">On Thu, Oct 15, 2009 at 10:22 AM, Stephen Skory <span dir="ltr"><<a href="mailto:stephenskory@yahoo.com">stephenskory@yahoo.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
Britton,<br>
<div class="im"><br>
>I'll check the yt FOF IDs against Enzo right now. The halo output of the code seems just fine, so if there's a bug, it's minor. I'll let you know what I find.<br>
<br>
</div>I remembered that the kD tree yt FOF uses is a bit inaccurate, and that could be a source of difference between the two sets of FOF haloes. But you said the differences were huge, and the kD inaccuracy should give only small differences, especially in FOF. Just a thought.<br>
<div><div></div><div class="h5"><br>
_______________________________________________________<br>
<a href="mailto:sskory@physics.ucsd.edu">sskory@physics.ucsd.edu</a> o__ Stephen Skory<br>
<a href="http://physics.ucsd.edu/%7Esskory/" target="_blank">http://physics.ucsd.edu/~sskory/</a> _.>/ _Graduate Student<br>
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