Re: numerical value on x window

[Ansley Manke <ansley.b.manke@xxxxxxxx>]

Hi jagadish,
The script "extremum.jnl" is an example of this.  It computes the 
minimum or maximum value of a field and labels its value and location on 
a 2-D plot.  You can use the ideas from that script

  yes? set data coads_climatology
  yes? shade/l=1/levels=40 slp

  ! see what the extremum script does

  yes? go/help extremum
  yes? go extremum max "slp[l=1]" x=170w:110w y=20n:40n 0.15 2

  ! To do the same kind of thing for any point goes like this. The 
grave-accents `  `
  ! evaluate what is inside to a scalar value that the LABEL command 
can use.

  yes? let xpt = 100
  yes? let ypt = 20
  yes? let textlab = sst[x=`xpt`, y=`xpt`,L=1]
  yes? label `xpt`, `ypt`, 0, 0, 0.12, "`textlab`")



jagadish karmacharya wrote:

> Dear ferret user,
> I guess there is a script that diplays the numerical
> value of a field in its lat/ong position in the x
> window.
> Can some one help me locate it?
> Jagadish
>
>
>
> 		
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