[ncl-talk] mean value of all displayed grid points / pixel in a map

Kreienkamp Frank Frank.Kreienkamp at dwd.de
Mon Sep 1 02:31:17 MDT 2014


Hello ,

since having no one answering the original question. 

Is there a chance that i can get the matrix-values which are send to the (png-)workstation?

Thanks in advance
Frank Kreienkamp

-----Ursprüngliche Nachricht-----
Von: ncl-talk-bounces at ucar.edu [mailto:ncl-talk-bounces at ucar.edu] Im Auftrag von Frank Kreienkamp
Gesendet: Mittwoch, 27. August 2014 06:37
An: ncl-talk
Betreff: [ncl-talk] mean value of all displayed grid points / pixel in a map

Hello,

i have searched the function list but i have not found a solution for the following problem.

I want to calculate the mean value of all displayed grid points in a map.

This means:
- i have gridded data for the entire world (gcm-results)
- i plot a map (stereographic projection) for Europe

NCL draws a rectangle map based on the given resource parameters. I am looking for a function which counts all displayed values (pixel?) and calculates an average value.

Thanks in advance
Frank
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