Hi Nick and Hanjue,
From any given selector object, you can specify the max level data will be drawn from; this should work with particle data in the ARTIO frontend, but because it may not overlap explicitly with the indexing system you should double check.
dd = ds.all_data() dd.max_level = 5
That will restrict up to and including level 5 data.
On Fri, Feb 1, 2019 at 11:11 AM Nick Gnedin email@example.com wrote:
We would like to use dark matter density in one of our simulations, however the build-in derived field ('deposit', 'N-BODY_density') is too noisy for our purposes. We can think of two ways to make it smoother: 1) to reduce the max refinement level of the underlying grid or 2) use SPH-like averaging on particles first before depositing them on the grid.
Since we are newbies, could someone give us a few hints on how to proceed with one or both of these approaches?
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