[yt-users] data container selection by field value

Elizabeth Tasker tasker at astro1.sci.hokudai.ac.jp
Wed Apr 2 05:16:18 PDT 2014


Hi Marc,

Yes. This can be done with extract_region if you have a list of indices for the cells you require. 

e.g. 

# create data container of whole region
dd = pf.h.all_data()  

# get the indices that correspond to the cells you want
ind = dd[“TracerField”] > my_theshhold

# create new container
new_container = dd.extract.region(ind)


Elizabeth



On Apr 2, 2014, at 9:05 PM, Marc Schartmann <schartmann at mpe.mpg.de> wrote:

> Dear all,
> 
> is it possible to create a data container in which only those cells are included in which one of the fields (e.g. the tracer field) has 
> a value above a certain threshold?
> 
> Thanks a lot in advance.
> 
> Best wishes,
> 
> Marc
> 
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