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19990603: Missing data

This archive contains answers to questions sent to Unidata support through mid-2025. Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated. For the most up-to-date information on the use of NSF Unidata software and data services, please consult the Software Documentation first.

  • Subject: 19990603: Missing data
  • Date: Thu, 3 Jun 1999 11:24:52 -0600
Tom,

Gempak uses the value -9999.0 as a missing data value.
If you can modify your data files to use that value instead of -99,
then you will be all set.

Steve Chiswell
Unidata User SUpport
address@hidden

On Thu, 3 Jun 1999, Tom Szymkiewicz wrote:

> Hi,
> Thank you for your help on x-windows.  I have another question for
> which I haven't been able to find an answer through old support
> e-mails.  If my data has some missing data flagged as say -99, how does
> gempak handle that?  Is there a way to tell gempak what values to
> treat as missing data?
> I'd appreciate your help.
> Tom.
> 
>