[yt-dev] Boundary Conditions

[Britton Smith]

Hi Matt,

Given that the type of non-periodic boundary conditions qouls not change
any of the things you're talking about, I think it's fine to do it just as
you say.
+1 for something like pf.h.periodicity

Britton

On Thu, Feb 2, 2012 at 10:05 AM, Matthew Turk <matthewturk at gmail.com> wrote:

> Hi all,
>
> What's the best way to handle boundary conditions?  I was thinking
> mainly, what's the smallest signal we can send -- typically into
> Cython routines that might need to iterate -- that indicates, "wrap
> this around the edge in this dimension"?
>
> Essentially I think there are two main cases we need to consider for
> the purposes of what yt wants, which are:
>
> 1) Periodic along an axis
> 2) Non-periodic (inflow, isolated) on an axis
>
> This shows up for the plotting routines, vertex-centering of data, and
> a handful of other things.  I'm not sure how to handle this the best.
> If we really have only these options (and I'm not a 100% on that) then
> would it work to have a simple array of axes that hangs off the
> hierarchy object, which is 0 for non-periodic on an axis and 1 for
> periodic?
>
> -Matt
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