[yt-dev] strict and unstrict regions, periodic regions

[Stephen Skory]

Matt,

> Can someone remind me why we need the strict and unstrict region
> objects?  The strict ones select by cell center, the unstrict by any
> intersection.  I seem to recall a concrete use case but I can't dredge
> it up.

If memory serves, it was such that particles are chosen strictly for
the halo finders. Does that sound right?

> Additionally, if we are actually checking for periodicity, it seems to
> me we have no need for non-periodic regions, right?  We just coalesce
> into a single rectangular prism object that, if appropriate for the
> simulation, wraps around?

Sounds good to me.

-- 
Stephen Skory
s at skory.us
http://stephenskory.com/
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