Re: missing values

[Denise Worthen <dlw@xxxxxxxxxxxxxxxxxxxx>]

Hi All,

It seems an easier way to do this is to use the missing function on the
data...

shade/pal=black missing(data,0)
shade/over data

Denise.

=====================================================================
Denise L. Worthen, SSAI
Oceans and Ice Branch/Code 971
NASA Goddard Space Flight Center
Greenbelt MD 20771

dlw@kakapo.gsfc.nasa.gov
(301) 286-2339

On Mon, 1 Dec 1997, Jonathan Callahan wrote:

> On Dec 1,  4:10pm, Curt Crandall wrote:
> > Subject: missing values
> > I would like my missing values to be plotted as black rather than white
> > on my map projection.  Is there a way to change the color for the
> > missing value or is there a way to make the map background black and
> > then plot the data over it?
> 
> Curt,
> 
> Missing values are always plotted as "holes".  This means that they take
> on the background color. What you probably want is best achieved in this
> manner:
> 
> 1) set the palette to black and SHADE/NOKEY one of the etopo datasets over
>     the region of interest (they don't have any missing values)
> 
> 2) set the palette to your favorite and SHADE/OVER/KEY your data
> 
> All of the "holes" will now be black.
> 
> 
> yes? palette black
> yes? use etopo120
> yes? shade/nokey rose
> yes? palette default
> yes? use coads_climatology
> yes? shade/over/key sst[l=1]
> 
> 
> -- Jon
> 
> 
> 
> -- 
>                    |  NOAA/PMEL               | ph. (206) 526-6801
> Jonathan Callahan  |  7600 Sand Point Way NE  | FAX (206) 526-6744
>                    |  Seattle, WA 98115-0070  | callahan@pmel.noaa.gov
>