[MITgcm-devel] this weeks share of stupid suggestions about netcdf
Baylor Fox-Kemper
baylor at MIT.EDU
Wed Feb 2 08:21:11 EST 2005
I'm with Martin on this. As to point #2, It seems that some fields
(e.g. theta) get zeroed out under topography. This would be a place to
start... Ncview doesn't recognize 0 as a special value, so one is
constantly resetting the plotting ranges by hand.
-Baylor
On Feb 2, 2005, at 6:28 AM, Martin Losch wrote:
> Hi there,
> I have a few questions/comments/suggestions about netcdf:
> 1.There is no reason for not having an iteration_count (really output
> count) in state , but the coordinate variable T(T) does not seem the
> right place for this. Instead T(T) should hold the model time (which
> is now stored in model_time). What do you think?
>
> 2. another nice thing to have would be the attribute missing_value for
> record variables. This attribute could be 0 for a start (although some
> "special value" such as -9999 or 1e23 makes more sense). Applications
> such as ncview or ferret recognize this attribute and automatically
> replace all "missing_value"s in the record variables with some
> internal special value for displaying ( a comfortable way to have the
> land masks included ). Is that difficult to implement? Is that
> something that is of interest? In which routine are the attributes
> declared and filled?
>
> Martin
>
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