[yt-users] optimal resolution for frb

Slavin, Jonathan jslavin at cfa.harvard.edu
Fri Sep 25 11:18:49 PDT 2015


Hi all,

I've been doing FLASH runs in 2D and using yt to manipulate the data for
display -- that is, I've been creating frb objects from slices (which are
not really slices since the data is 2D anyways).  One thing that bothers me
about this is the need to specify the dimensions of the frb.  For some
reason 800 x 800 seems to be preferred in the yt docs, but it seems to me
that there are certain optimal dimensions that depend on the grid
structure.  For example an frb that uses pixels the size of the smallest
resolution element/cell or some integer multiple of that (of course less
refined cells would be split into multiple pixels).  How would one find
what that grid size would be?  I guess what I'd need to know is the
dimensions of that most refined cell in the computational grid.  How does
one access the grid structure information in a dataset?

Jon

-- 
________________________________________________________
Jonathan D. Slavin                 Harvard-Smithsonian CfA
jslavin at cfa.harvard.edu       60 Garden Street, MS 83
phone: (617) 496-7981       Cambridge, MA 02138-1516
cell: (781) 363-0035             USA
________________________________________________________
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