OK, in that case I wouldn't try to infer the stellar mass from the
Dark_Matter_Density field (which does include stellar mass despite the
name), instead I would define a particle filter for stars (
http://yt-project.org/doc/analyzing/filtering.html#filtering-particle-fields)
and then use the new particle type defined by the filter to create a
deposited particle field (
http://yt-project.org/doc/analyzing/fields.html#deposited-particle-fields).
There's an example in the docs for how to do this with Tipsy data here:
http://yt-project.org/doc/cookbook/constructing_data_objects.html#creating-p...
For Enzo, you should use the particle_type field to create the filter -
star particles in Enzo have particle_type equal to 2. Here's a short worked
example:
https://gist.github.com/anonymous/acd4007dbff283fc3587a47e8ba41dc3
Hope that helps! And I hope to hear more from you - your name is
particularly well suited to the yt project ;)
-Nathan
On Wed, Oct 11, 2017 at 12:58 PM, tyuta
Yes, it's Enzo data.
2017-10-11 10:17 GMT-04:00 Nathan Goldbaum
: What simulation code are you working with? From the field names it sounds like Enzo data.
On Wed, Oct 11, 2017 at 9:13 AM tyuta
wrote: Dear yt-users,
Hi, I'm a new user of yt. I have a question about the default 'Density' field and 'Dark_Matter_Density' field. Do they contain stellar mass? If so, how can I read and subtract stellar mass from the data?
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