[gradsusr] display variable at depth between two layers

[weiqwang]

hi, gradsusers,


I have one simple question which might involves the interpolation. My data
is defined at depth for example from 0m to 1000m, with regular interval 100m
( 11 layers in total). When I want to display variable (such as temp) at
depth 185m, I found  temperature at 200m was shown. How can I get the
temperature at 185m ( expect a linear interpolation results)?

Any suggestions are appreciated.

Edward
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