[gradsusr] Plotting or Masking missing data

[Andrew Friedman]

Hi Paul,
One way is to use the const function to assign a value to missing data and then plot that value.
-Andrew

> On 21 May 2019, at 17:28, Brabenec, Paul <pbrabene at aer.com> wrote:
> 
> Jeff-
>  
> I was wondering how would you define color for missing data = NaN. The missing data plots as white but I want it black and have no idea.
>  
>  
> DSET  ^2003070300.dat
> OPTIONS  big_endian
> TITLE  Gridded Data Sample
> UNDEF  -999.0
> XDEF  481 LINEAR -88.8 0.08
> YDEF  398 LINEAR 11.54 0.08
> * Main level of Z is null
> ZDEF  1 LINEAR 1 1
> TDEF  1 LINEAR 00:00Z3jul2003 1hr
> VARS  1
> SurfaSfc 0 99 Surface Duct Sonic Layer Depth
> ENDVARS
>  
> r/
>  
> Paul Brabenec
>  
> 
> 
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