[yt-dev] definition (source code) of virial_mass(virial_overdensity=200.0, bins=300)

[Reju Sam John]

Hello Elizabeth ,

Thank You very much.
I will try to modify it accordingly.


On Sat, Jun 7, 2014 at 8:29 PM, Elizabeth Tasker <
tasker at astro1.sci.hokudai.ac.jp> wrote:

> Hi Reju,
>
> One way to do this would be to modify the ‘Halo’ class in halo_objects.py
> to also contain your new definition (copying the format from the original
> virial_mass).
>
> As far as I’m aware (and I don’t use the halo profiler myself, so I could
> be wrong…) there isn’t a way of adding to the class from an external
> script. I think you have to modify.
>
> Elizabeth
>
>
>
> On Jun 7, 2014, at 10:48 PM, Reju Sam John <rejusamjohn at gmail.com> wrote:
>
> Hello Elizabeth ,
>
> I Would like to create a new function virial_CRFraction()
>
> >>> vcr = halos[0].virial_CRFraction()
> should give the virial CRFraction of the halo.
> where CRFraction is defined as follows
> @derived_field(name = "CRFraction")
> def my_new_field(field, data):
>     .
>     .
>     .
>     .
>     temp =....
>
>     return temp
>
>
> On Sat, Jun 7, 2014 at 6:01 PM, Elizabeth Tasker <
> tasker at astro1.sci.hokudai.ac.jp> wrote:
>
>> Hi Reju,
>>
>> If you want to see exactly what the function looks like, you can just
>> examine you source directly for yt.
>>
>> e.g. go into
>>
>> ~/yt/src/yt-hg
>>
>> and then grep for “virial_mass” (bearing in mind there are
>> subdirectories). So:
>>
>> grep virial_mass */*/*/*py
>>
>> will tell you that this particular routine lives in:
>>
>> ~/yt/src/yt-hg/yt/analysis_modules/halo_finding/halo_objects.py
>>
>> def virial_mass(self, virial_overdensity=200., bins=300):
>> .
>> .
>> .
>>
>>
>> Hope that helps!
>>
>> If you explain a more clearly what you’d like a new function to do, we
>> might be able to help a little more or point you to similar examples.
>>
>> Elizabeth
>>
>>
>>
>> On Jun 7, 2014, at 9:18 PM, Reju Sam John <rejusamjohn at gmail.com> wrote:
>>
>> Where can I find the definition (source code) of the following function  ?
>>
>> virial_mass(virial_overdensity=200.0, bins=300)
>>
>> Like this function I have to create a new function for my derived field.
>>
>> --
>> Reju Sam John
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>>
>>
>>
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>>
>
>
> --
> Reju Sam John
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>


-- 
Reju Sam John
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