Re: [yt-users] code units

26 May 2015


      Thanks, Nathan.  Let me know if I can help out.

On Fri, May 22, 2015 at 12:28 PM, Nathan Goldbaum 
wrote:
...
On Fri, May 22, 2015 at 7:25 AM, David Collins 
wrote:
...
Hi, Matt-
...
It's neither a bug nor a feature; "density" is represented as a
"code_mass / code_length**3" primitive.
So what does code_density do?
This is supposed to be set to code_mass/code_length**3, but you've
actually spotted an oversight in the way we set up units in the Enzo
frontend such that Enzo units turn out subtly different from units in the
other frontends.
I've gone ahead and issued a pull request to fix this:
https://bitbucket.org/yt_analysis/yt/pull-request/1597/delegate-setting-enzo...
...
Thanks a bunch!
d.
...
-Matt
On Fri, May 22, 2015 at 9:20 AM, David Collins 
wrote:
...
Hi, Everyone--
I'm trying to get code units from enzo for a cosmology run, but
in_units('code_density')
seems to do nothing.
'code_mass/code_length**3'
seems to work.  Is this a bug, or a feature?
...
...
> ad['density'].in_units('code_mass/code_length**3')
YTArray([ 0.9970247 ,  0.99774731,  0.99854185, ...,  0.99993769,
        0.99914176,  0.99841755]) code_mass/code_length**3
> ad['density'].in_units('code_density')
YTArray([  1.87321000e-29,   1.87456764e-29,   1.87606042e-29, ...,
         1.87868293e-29,   1.87718755e-29,   1.87582689e-29])
code_density
Thanks!
d.
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