[yt-users] yt-users Digest, Vol 78, Issue 38

Professor Maller amaller at citytech.cuny.edu
Thu Aug 14 11:56:22 PDT 2014


Hi Matt,

Those fields are not in my derived field list. That is
ds.derived_field_list. Do I have to add them in some way? Or is there a way
to check if yt didn't find the cooling??.dat files?

Thanks,

Ari


On Thu, Aug 14, 2014 at 1:54 PM, <yt-users-request at lists.spacepope.org>
wrote:

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> Today's Topics:
>
>    1. ionization states in ramses data sets (Professor Maller)
>    2. Re: ionization states in ramses data sets (Geoffrey So)
>    3. Re: ionization states in ramses data sets (Matthew Turk)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Thu, 14 Aug 2014 13:12:11 -0400
> From: Professor Maller <amaller at citytech.cuny.edu>
> To: yt-users at lists.spacepope.org
> Subject: [yt-users] ionization states in ramses data sets
> Message-ID:
>         <
> CACCSjdOxDp+Mmgae1XLYJJvC7vJn52Xu59ppUA+p0mq7Fggz8A at mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> Hi,
>
> Does anyone have code to create derived fields of ionization states, e.g.
> HI, for ramses data sets?  If that's a no, does anyone have an example of a
> derived field where you have to read in a table and interpolate the field
> values.
>
> Thanks,
>
> Ari
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> ------------------------------
>
> Message: 2
> Date: Thu, 14 Aug 2014 10:19:49 -0700
> From: Geoffrey So <gsiisg at gmail.com>
> To: Discussion of the yt analysis package
>         <yt-users at lists.spacepope.org>
> Subject: Re: [yt-users] ionization states in ramses data sets
> Message-ID:
>         <
> CAM-dO+DM+ygbGg3GG9vrxjSn+JM9mGGgHDXA1UEJu1KYpnJJqw at mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> Hi,
>
> according to
> http://yt-project.org/docs/2.6/analyzing/creating_derived_fields.html?
>
> what worked for me for enzo data is the following
>
> def _HINeutralFraction(field, data):
>     return data['HI_Density']/(data['HI_Density']+data['HII_Density'])
>
> add_field('HINeutralFraction',function=_HINeutralFraction,
>           units=r"\rho_\mathrm{HI}/\rho_\mathrm{H}")
>
> unless there's something strange with ramses dataset, the above should
> work.
>
> From
> G.S.
>
>
> On Thu, Aug 14, 2014 at 10:12 AM, Professor Maller <
> amaller at citytech.cuny.edu> wrote:
>
> > Hi,
> >
> > Does anyone have code to create derived fields of ionization states, e.g.
> > HI, for ramses data sets?  If that's a no, does anyone have an example
> of a
> > derived field where you have to read in a table and interpolate the field
> > values.
> >
> > Thanks,
> >
> > Ari
> >
> > _______________________________________________
> > yt-users mailing list
> > yt-users at lists.spacepope.org
> > http://lists.spacepope.org/listinfo.cgi/yt-users-spacepope.org
> >
> >
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> ------------------------------
>
> Message: 3
> Date: Thu, 14 Aug 2014 12:22:16 -0500
> From: Matthew Turk <matthewturk at gmail.com>
> To: Discussion of the yt analysis package
>         <yt-users at lists.spacepope.org>
> Subject: Re: [yt-users] ionization states in ramses data sets
> Message-ID:
>         <CALO3=
> 5HE+5eFNfXaWqJ_ApFCZeE_Sy73EEj+O5y7CuqMiVQ9sQ at mail.gmail.com>
> Content-Type: text/plain; charset=UTF-8
>
> Hi Ari,
>
> My reading of yt/frontends/ramses/fields.py is that this should be
> implemented already, using the cooling_%05i.dat files.  If it's able
> to find those files, it will create the appropriate derived fields
> from them -- specifically, I think it can do Electron, HI, HII, HeI,
> HeII, and HeIII.  Is it not creating those?
>
> On Thu, Aug 14, 2014 at 12:12 PM, Professor Maller
> <amaller at citytech.cuny.edu> wrote:
> > Hi,
> >
> > Does anyone have code to create derived fields of ionization states, e.g.
> > HI, for ramses data sets?  If that's a no, does anyone have an example
> of a
> > derived field where you have to read in a table and interpolate the field
> > values.
> >
> > Thanks,
> >
> > Ari
> >
> > _______________________________________________
> > yt-users mailing list
> > yt-users at lists.spacepope.org
> > http://lists.spacepope.org/listinfo.cgi/yt-users-spacepope.org
> >
>
>
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> End of yt-users Digest, Vol 78, Issue 38
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