[yt-users] error in the field SoundSpeed?

[Matthew Turk]

Hi Luigi,

Yes -- in the past we mutually aliased the fields "GasEnergy" and
"Gas_Energy" to each other, so that if one was not found the other was
looked for.  Unfortunately, this aliasing caused infinite recursion
loops:

https://bitbucket.org/yt_analysis/yt/changeset/258083307f14

so we had to remove this dual-aliasing.  I had hoped it wouldn't cause
problems; I tried very hard with Sam to come up with a way around
this, so that we could leave the aliasing in.  Unfortunately without
reworking the field container, we could not.  I am hoping that by the
end of the calendar year we will be able to rework the field container
to be more flexible.  However, for now, it should suffice to add into
your plugins file the lines that were removed in the linked commit.
This also took place while we standardized in Enzo on GasEnergy rather
than Gas_Energy (although I personally preferred the hyphen :):

https://groups.google.com/d/topic/enzo-dev/64j9OZEAzcU/discussion

Sorry for the inconvenience -- let me know if the plugins fix doesn't
work and we'll figure something else out.

-Matt

On Mon, May 23, 2011 at 3:49 PM,  <luigi at ita.uni-heidelberg.de> wrote:
> Dear all,
>
> I want to point out that, in the unstable branch, any attempt of using the
> field SoundSpeed returns an error. I have the impression that yt looks for
> GasEnergy, but in my dataset I have Gas_Energy defined. In the stable branch
> everything works well. I hope it does not depend on the data I'm analysing
> (some old Enzo 1.0 output)...
> Cheers,
>
>  Luigi
>
> ---------------------------------------------------------------
>
> Luigi Iapichino
> Zentrum fuer Astronomie der Universitaet Heidelberg
> Institut fuer Theoretische Astrophysik
> Albert-Ueberle-Str. 2, D-69120 Heidelberg, Germany
> Tel: +49 6221 548983, Fax: +49 6221 544221
> e-mail: luigi at ita.uni-heidelberg.de
> URL: http://www.ita.uni-heidelberg.de/~luigi/
>
>
>
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