[yt-users] halos

Molly Peeples molly at astro.ucla.edu
Fri Mar 4 12:20:53 PST 2011


Hi Stephen,

Right ... I spoke too soon, sorry.  Now the halo profiler isn't
crashing, per se, but since I'm analyzing output in one of Matt's
directories, it's trying to save the HopAnalysis.out file to that
directory and can't, so then it stops and I don't have the profiler
object to play with.  For now I can do the workaround of just copying
the output I want to analyze to a directory I *can* write to, but this
seems kludgey; is there some other way to call HaloProfiler such that
it'll instead only try to write to, e.g., the pwd?

(FWIW, I pasted the errors to http://paste.enzotools.org/show/1523/)

Thanks!
--Molly

On Fri, Mar 4, 2011 at 10:44 AM, Molly Peeples <molly at astro.ucla.edu> wrote:
> Hi Steve,
>
> Thanks for your quick reply.  Unfortunately, the virial
> information-getter is crashing in a different place now:
> http://paste.enzotools.org/show/1522/
>
> Halo importing: yes, what you said is exactly what I'm looking for!
>
> On the other hand, the halo profiler seems to be working now (or, at
> least isn't crashing when finding halos).
>
> Thanks!
> --Molly
>
> On Thu, Mar 3, 2011 at 4:55 PM, Stephen Skory <stephenskory at yahoo.com> wrote:
>> Molly
>>
>> Ok, I looked at the halo profiler bug and it's actually to do with the halo finder. So....
>>
>>> /home/molly-ucla/yt-x86_64/lib/python2.6/site-packages/yt-2.1dev-py2.6-linux-x86_64.egg/yt/analysis_modules/halo_finding/halo_objects.pyc
>>> in _run_finder(self)
>>>    1056                 self.particle_fields["particle_position_z"] /
>>> self.period[2],
>>>    1057                 self.particle_fields["ParticleMassMsun"],
>>> -> 1058                 self.threshold)
>>>    1059         self.particle_fields["densities"] = self.densities
>>>    1060         self.particle_fields["tags"] = self.tags
>>>
>>> SystemError: error return without exception set
>>
>>
>> It's dying when it's trying to call the halo finder, but the error message isn't very helpful. Can you send us the script you are using that generates this error (on paste.enzotools.org)?
>>
>>
>> Stephen Skory
>> stephenskory at yahoo.com
>> http://stephenskory.com/
>> 510.621.3687 (google voice)
>>
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>>
>



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