[yt-dev] covering_grid and BCs

[Michael Zingale]

If I create a covering_grid for a full domain that is not triply-periodic,
the code will abort when I try to access the data in the covering grid with
an error generated by selection_routines.pyx that is looking to make sure
that the boundary conditions are supported.  I understand that this support
is not yet in place, but I don't think that it should be an issue for a
covering_grid.

The covering grid procedure itself should not ever need boundary
conditions, if I understand what it intends to do.  If you are just
sampling the coarse data (or averaging the overlying fine data) into your
zone, there is no need to do any interpolation that would require BCs.  For
the SmoothedCoveringGrid stuff, I understand that BCs should come into
play.  Am I missing something? or should this check on the BCs be
considered a bug in this case?

Mike

-- 
Michael Zingale
Associate Professor

Dept. of Physics & Astronomy * Stony Brook University * Stony Brook, NY
11794-3800
*phone*:  631-632-8225
*e-mail*: Michael.Zingale at stonybrook.edu
*web*: http://www.astro.sunysb.edu/mzingale
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