Hey everyone,<br><br>The following error pertains to the yt branch of the hg repo.<br><br>I'm getting a particle io error when using the various yt halo finders in parallel. It doesn't appear to have anything to do with the halo finders, but I don't know what else uses ParticleIO.py. This only happens when running in parallel.<br>
<br>P000 yt INFO 2009-11-27 15:16:59,775 Getting ParticleMassMsun using ParticleIO<br>Setting period equal to 1.000000<br>Setting period equal to 1.000000<br>Setting period equal to 1.000000<br>Traceback (most recent call last):<br>
File "do_hop.py", line 5, in <module><br> h = FOFHaloFinder(pf)<br> File "/Users/britton/Documents/work/yt-hg/yt/lagos/HaloFinding.py", line 1024, in __init__<br> self._parse_halolist(1.)<br>
File "/Users/britton/Documents/work/yt-hg/yt/lagos/HaloFinding.py", line 747, in _parse_halolist<br> this_max_dens = halo.maximum_density_location()<br> File "/Users/britton/Documents/work/yt-hg/yt/lagos/ParallelTools.py", line 130, in single_proc_results<br>
return func(self, *args, **kwargs)<br> File "/Users/britton/Documents/work/yt-hg/yt/lagos/HaloFinding.py", line 322, in maximum_density_location<br> return self.center_of_mass()<br> File "/Users/britton/Documents/work/yt-hg/yt/lagos/ParallelTools.py", line 130, in single_proc_results<br>
return func(self, *args, **kwargs)<br> File "/Users/britton/Documents/work/yt-hg/yt/lagos/HaloFinding.py", line 306, in center_of_mass<br> pm = self["ParticleMassMsun"]<br> File "/Users/britton/Documents/work/yt-hg/yt/lagos/ParallelTools.py", line 130, in single_proc_results<br>
return func(self, *args, **kwargs)<br> File "/Users/britton/Documents/work/yt-hg/yt/lagos/HaloFinding.py", line 136, in __getitem__<br> return self.data.particles[key][self.indices]<br> File "/Users/britton/Documents/work/yt-hg/yt/lagos/ParticleIO.py", line 46, in __getitem__<br>
self.get_data(key)<br> File "/Users/britton/Documents/work/yt-hg/yt/lagos/ParticleIO.py", line 104, in get_data<br> if len(to_add) != 1: raise KeyError<br>KeyError<br><br>I checked the contents of to_add, and it was a list with two items (hence the exception):<br>
['particle_mass', 'particle_mass']<br><br>I was able to get around this by removing non-unique entries in to_add, but I don't think that really fixes the underlying problem. Anyone have any ideas?<br>
<br>Regards,<br><br>Britton<br>