[ncl-talk] Missing value set to -nan?

[Elizabeth Burakowski]

Thanks Dave!  This was exactly what I was looking for.

Liz.


On Tue, Jan 20, 2015 at 12:50 PM, David Brown <dbrown at ucar.edu> wrote:

> Hi Liz,
>
> Use the procedure, replace_ieeenan.
> (
> https://www.ncl.ucar.edu/Document/Functions/Built-in/replace_ieeenan.shtml
> )
>  -dave
>
> On Tue, Jan 20, 2015 at 12:27 PM, Elizabeth Burakowski
> <burakows at ucar.edu> wrote:
> > I'm running into an issue with missing values set to '-nan'.
> >
> > dir= "/glade/p/work/burakows/nohrsc/mNOHRSC_mslt_200811_200904/"
> > fils= systemfunc("cd "+dir+" ; ls avg*.nc")
> > a=addfiles(dir+fils(1:4)+".nc","r")
> > ListSetType(a,"join")
> > b=a[:]->z
> >
> > printVarSummary(b)  ; note that b at _FillValue is set to -nan & actual
> range
> > (0, 653)
> > print(min(b))             ; minimum value is showing up as -nan instead
> of 0
> > print(max(b))            ; maximum value is showing up as -nan instead of
> > 653
> >
> > I tried resetting the _FillValue to -9999:
> >
> > b at _FillValue = -9999
> > printVarSummary(b)   ; now b at _FillValue is -9999, range is
> >
> > Any ideas on how to get rid of the -nan?
> >
> > Thanks,
> >
> > Liz.
> >
> >
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