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[ferret_users] stippling in depth/latitutde plot



hi ferreters,
happy new year to all !

I need some assistance regarding the stippling of one variable over the other.

this is the data that i am using

     currently SET data sets:
    1> ./ohcg_trend_ncl.nc  (default)
 name       title                                     I         J               K         L         M         N
 TREND   regression coefficient         ...       1:126       1:27      ...       ...       ...
 VAL                        pro                      ...        1:126      1:27       ...       ...       ...

i.e. i am having my data on latitude and depth. i am unable to plot the dot symbol over my fill plot. even though it is not showing any error also.

this is the command that i issued to plot fewer dots

cancel data/all
use ohcg_trend_ncl.nc


let nz = `val,return=ksize`
let ny = `val,return=jsize`
let lat = y[gy=trend,j=1:`ny`:2] + 0*z[gz=trend,k=1:`nz`:2]
let dep = 0*y[gy=trend,j=1:`ny`:2] + z[gz=trend,k=1:`nz`:2]

let pp = if val[j=1:`ny`:1,k=1:`nz`:1] gt .95 then 1

fill/nokey/set/lev=(-inf)(-5,5,1)(inf)/nolab/palette=blue_orange trend
plot/nolab/nokey/vs/ov/sym=dot pp*lat, pp*dep

by issuing these commands i am getting dots but all are in a rows i.e. dots in a line.

please help

regards, Binny

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