[gradsusr] Creating a user defined land ocean mask file

[Andrew Friedman]

Hi Jayakrishnan,

You should be able to do this using maskout combined with const as you did in your previous email.
Are the different variables on the same spatial grid?

-Andrew

> On Jan 2, 2019, at 9:18 AM, Jayakrishnan P.R <prjayakrishnan at gmail.com> wrote:
> 
> Dear Users,
>             In continuation to my earlier mail, I created a mask file according to my purpose. I herewith attach one such file. 
> 
> <type1grid_above10K.png> 
> 
> Now I would like to display another variable from another file (say temperature) only over this red area ?. It is like creating a user defined land ocean mask as above. Any ideas how to do ?. Any help is appreciated. 
> I tried using maskout function without success. The white patches which are undefined values with -9.999x 10^9 . I even tried changing those undefined values to -1 or 0 using CDO that also didnt work. 
> Appreciate your help....
> Jayakrishnan
> 
> -- 
> Sincerely
> 
> **************************************************
> Dr. Jayakrishnan P.R
> Post Doctoral Research Fellow
> Science Technology Building
> School of System Science
> Beijing Normal University
> No. 96 XInjiekouwai Street
> Beijing 100875
> China
> Tel: +86-188 11005715
> 
> ****************************************************
> 
> 
> 
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