Displaying u and v wind data from two separate files

[Shailendra Rai]

Hello Charles,
you can open both the files at the same time if the resolution of the both files is same.
then u can plot vector as.
d var1.1,var2.2   (var1 is variable for first file and var2 is  variable of second file) 
you can plot contour plot simply 
d var1.1
d var2.2

bye
 
Shailendra Rai.
K. Banerjee Centre of Atmospheric and Ocean Studies
University of Allahabad
Allahabad (UP)
INDIA

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On Sat, 03 Sep 2005 Charles Williams wrote :
>Dear GrADS users,
>
>I was wondering if anyone could help me with what is probably a very simple problem.
>
>I am trying to view vector wind data from two separate self describing NetCDF files (uwind.nc and vwind.nc corresponding to the two wind components) - ending up with an image showing wind direction (arrows) and wind strength (shaded contours).  How can I do this?  I really have 2 questions therefore: i) how can I have both files open at the same time such that both can be displayed at once; and ii) how can I use both vector and contour gxout options?
>
>If it helps anyone to understand what I want to end up with, it is more or less exactly the same as the images produced from the daily composite online tools from the CDC.  The only reason I am downloading the NetCDF file and doing it myself is because I want to fiddle about with colours and intervals.
>
>Many thanks,
>
>Charlie Williams
>
>
>
>******************************************************************************************
>
>Charles JR Williams
>Department of Geography
>University of Sussex
>Falmer, Brighton
>BN1 9RH
>
>'Sail away from the safe harbour. Catch the trade winds in your sails. Explore. Dream. Discover.'        Mark Twain
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