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griding of ASCII data file for the meridional mean
Hello,
I am using ferret v5.80 on Suse Linux.
I have airplane CO2 obsercations in ASCII format.
The whole data spans between latitude -40 to +40.
I want to take the 5 degree latitudional mean of
whole data.
I tried to write a small script and I defined the
axis as following :-
define axis/x=1:360:1 xlon
define axis/y=1:180:1 ylat
define axis/t=1:13792:1 time
define grid/x=xlon/y=ylat/t=time newgrid
file/var="time,lat,lon,ht,co2"/grid=newgrid\ data.txt
Ferret complains while using the command for the
plot :-
**ERROR: stack overflow
*** NOTE: Check for recursion in variable definitions
The airplane observations are of many months and
the latitude is not in monotonic increasing order
i.e. observations are irragular.
Kindly suggest me how I can define the axis so I
can grid the data to take the 5 degree meridional
mean.
Or simply, how one can grid , defile axises of any
ASCII data format which has irragular observations.
This will really help to take the means of either
zonal or meridional if the data amount is really much.
Many thanks for your help.
Regards,
Yogesh
--
===========================================
Yogesh Tiwari,
Max-Planck Institute for Biogeochemistry,
Hans-Knoell Strasse 10,
D-07745 Jena,
Germany
Office : 0049 3641 576 376
Home : 0049 3641 223 163
Fax : 0049 3641 577 300
Cell : 0049 1520 4591 008
e-mail : yogesh.tiwari@bgc-jena.mpg.de
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