[yt-users] Accumulation in 3.0

Matthew Turk matthewturk at gmail.com
Mon Nov 3 05:16:45 PST 2014


Hi John,

Try "particle_radius".

Matt

On Mon, Nov 3, 2014, 7:06 AM John Regan <johnanthonyregan at gmail.com> wrote:

> Hi Kacper,
>
> Of course - I should have noticed that. Thanks for finding that.
> However, I notice that when I try to create a profile for the Dark
> (particle) matter I run into some trouble as well.
>
> rpm = yt.create_profile(sp, 'radius',  ['particle_mass'],
>                         units = {'radius': 'pc', 'particle_mass' :
> 'Msun'},
>                         n_bins=20, weight_field=None, accumulation=True,
> fractional=False)
>
> This gives the following error:
>
> Traceback (most recent call last):
>   File "EnclosedMass.py", line 35, in <module>
>     n_bins=20, weight_field=None, accumulation=True, fractional=False)
>   File
> "/homeappl/home/regan/appl_taito/YT/Dev-3.0/yt/yt/data_objects/profiles.py",
> line 1361, in create_profile
>     obj.add_fields([field for field in fields])
>   File
> "/homeappl/home/regan/appl_taito/YT/Dev-3.0/yt/yt/data_objects/profiles.py",
> line 782, in add_fields
>     self._bin_chunk(chunk, fields, temp_storage)
>   File
> "/homeappl/home/regan/appl_taito/YT/Dev-3.0/yt/yt/data_objects/profiles.py",
> line 979, in _bin_chunk
>     rv = self._get_data(chunk, fields)
>   File
> "/homeappl/home/regan/appl_taito/YT/Dev-3.0/yt/yt/data_objects/profiles.py",
> line 910, in _get_data
>     arr[:,i] = chunk[field][filter]
>   File
> "/homeappl/home/regan/appl_taito/YT/Dev-3.0/yt/yt/units/yt_array.py", line
> 963, in __getitem__
>     ret = super(YTArray, self).__getitem__(item)
> ValueError: too many boolean indices
>
>
> Has anyone seen this before? For the 'cell_mass' everything works fine.
>
> Cheers,
> John
>
> On Sat, Nov 1, 2014 at 6:49 PM, Kacper Kowalik <xarthisius.kk at gmail.com>
> wrote:
>
>> Hi John,
>> I think that if you want to compute "total" instead of mean you need to
>> set weight_field to None in create_profile.
>> Cheers,
>> Kacper
>>
>> On Sat Nov 01 2014 at 6:10:50 AM John Regan <johnanthonyregan at gmail.com>
>> wrote:
>>
>>> Hi All,
>>>
>>> Is the accumulation flag working in 3.0?
>>> I tried to plot the enclosed mass in a sphere and I got some funny
>>> results.
>>>
>>> rpm = yt.create_profile(sp, 'radius',  'cell_mass',
>>>                         units = {'radius': 'pc', 'cell_mass' : 'Msun'},
>>>                         weight_field='density', accumulation=True,
>>> fractional=False)
>>>
>>> print "Mass = ", rpm["gas", "cell_mass"]
>>>
>>> In this case bin[n-1] gives a mass of something like 0.5 Msun but when I
>>> print the totals quantity I get a value of several orders of magnitude
>>> higher and closer to what I would expect.
>>>
>>> sp.quantities.total_quantity(["cell_mass", "particle_mass"])
>>>
>>> Cheers,
>>> John
>>> _______________________________________________
>>> yt-users mailing list
>>> yt-users at lists.spacepope.org
>>> http://lists.spacepope.org/listinfo.cgi/yt-users-spacepope.org
>>>
>>
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