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using min/max in one file to find corresponding value in another.



Hi all,

 

I have a relatively simple problem, however, I am currently unable to do it in ferret.

 

Say I have two files:

 

yes?   show data

     currently SET data sets:

    1> /cs/datastore/csdar/cec006/ocean/ipcc/data/PIcntrl/O1b/run1/stfmmc_O1b_1871-2250_PIcntrl_run1.nc

 name     title                             I         J         K         L

 STFMMC   Meridional Overturning Streamfu  1:189     1:31      1:4       1:4560

 

    2> /cs/datastore/csdar/cec006/ocean/ipcc/data/PIcntrl/O1b/run1/stfmmc_O1ba_1871-2250_PIcntrl_run1_1961-1990_20C3M_run1.nc  (default)

 name     title                             I         J         K         L

 STFMMC   Meridional Overturning Streamfu  1:189     1:31      1:4       1:4560

 

Which correspond to each other exactly, however, in this case the first is a monthly time-series, and the second a monthly times-series of anomalies relative to a base climatology. I would like to find the value of the 2nd file at x,y (lat. V dep. In this case) where there is a maximu value at x,y in the 1st file.

 

To plot the maximum value of the first value is easy,

 

plot stfmmc[d=1,k=1,y=@max,x=@max]

 

it is the vaues of x and y where the maximum value was find in the 1st file which I want to plot a corresponding time-series of the 2nd file.

 

I was trying to use @loc to do this, but it can only examine one axis at a time – I need to be able to get x and y simultaneously.

 

Many thanks,

Mark.


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