[Numpy-discussion] missing data discussion round 2

Mark Wiebe mwwiebe@gmail....
Thu Jun 30 10:18:01 CDT 2011


On Thu, Jun 30, 2011 at 1:49 AM, Chris Barker <Chris.Barker@noaa.gov> wrote:

> On 6/27/11 9:53 AM, Charles R Harris wrote:
> > Some discussion of disk storage might also help. I don't see how the
> > rules can be enforced if two files are used, one for the mask and
> > another for the data, but that may just be something we need to live
> with.
>
> It seems it wouldn't be too big  deal to extend the *.npy format to
> include the mask.
>
> Could one memmap both the data array and the mask?
>

This I haven't thought about too much yet, but I don't see why not. This
does provide a back door into the mask which violates the abstractions, so I
would want it to be an extremely narrow special case.

-Mark


>
> Netcdf (and assume hdf) have ways to support masks as well.
>
> -Chris
>
>
>
>
> --
> Christopher Barker, Ph.D.
> Oceanographer
>
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>
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