vishal vijay dixit wrote:
> Hello,
>
> I am trying to plot wheeler kiladis diagrams with wkspacetime for daily
> mean NCEP/NCAR - OLR datasets with NCL 5.1.0.
> I had 2 doubts about the same:
doubts ==> questions
>
> 1. Is it possible to plot WK diagram for a particular time-longitude
> section ( say 1 Jan'87 - 1 June'87 for longitudes 100E - 120 E ) with
> the help of wkspacetime or wkspacetime_cam.
I don't understand. The wkspacetime use FFT's in the longitude
direction. This is how one gets zonal wave number.
> I saw diagnostics_cam; It seems latL= 0 E and latR= 360 E are
> hardcoded. How to change them?
Well you could copy the diagnostics_cam.ncl and create your own.
Still, I am not sure how you plan to use this.
>
> 2. How to take out the difference between two wheeler-kiladis diagrams (
> which are plotted for same w,k domain )
There is an undocumented option to create netCDF.
opt_at_netCDF = True
opt_at_filNetCDF = "FOO.nc" ; what ever you want to name it
Run the script twice ... then red in the two netCDF and
perform a difference.
Good luck
>
> Any help in this regard is appreciated.
> Thank you
> Vishal
>
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Received on Tue Jun 02 2009 - 09:18:10 MDT
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