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[ferret_users] L-shaped masking spatially



Dear Ferreters,
G'day

I am struggling with the masking of the data. I want to create a mask for an L-shaped region spatially. I know I am doing something stupid that I am unable to create this mask.

I am trying in this way, as masking a straight box is easy but I am not understanding the logic for the L-shaped complexity.

let maskpp=if x[gx=correl] ge 50 and x[gx=correl] le 210 and y[gy=correl] ge (-45) and x[gx=correl] le 155 and y[gy=correl] ge (-10) and x[gx=correl] le 50 then correl else 0

the boxes as shown in the plot are having dimensions like this

go box 50, 210, (-10), 10
go box 180, 210, (-45), (-10)

Any suggestions will be appreciated.

cheers, Saurabh

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REGARDS

mask-data.nc
Description: Cdf file

Attachment: test.png
Description: PNG image


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