Re: problem longitudes.

From: Sylvia Murphy (murphys AT XXXXXX)
Date: Wed Jul 14 2004 - 08:52:46 MDT

  • Next message: Gil Lizcano: "ncl and FC2"

    maurice, i suspect you are shifted b/c you only adjusted the data and did
    not also adjust the longitude coordinate variable associated with the
    data. the gsn_csm interfaces look at the coordinate variable to place the
    data on the map.

    sm

    On Tue, 13 Jul 2004, Maurice McHugh wrote:

    > Hello eveyerone-
    >
    > Another question from the silly category, but I am stumped on this one.
    >
    > I have a file that has a range of longitudes from 60. to 417.
    > Individual time periods plot fine. However, I want to force the
    > longitudes to go from 0. to 360. to be consistent with all my other
    > files.
    >
    > I attempt the following: ["pr1" is the original variable, and I have
    > already created "pr3" to store the new "reformatted" data]
    >
    >
    > pr4 = pr1(:,:,{360.1:maxLon})
    > pr5 = pr1(:,:,{59.9:360.})
    >
    > NLON4 = dim2(pr4) ; # of lons in pr4
    > NLON5 = dim2(pr5) ; # of lons in pr5
    >
    > pr3(:,:,0:NLON5-1) = (/ pr5 /)
    > pr3(:,:,NLON5:) = (/ pr4 /)
    >
    >
    > This appears to work, but after I attempt to force the lons to 0-360,
    > the plots are shifted by 60. I can adjust for this in the mapping
    > script, but I really do not want to do so.
    >
    > Many thanks for any assistance!
    >
    > Maurice
    >
    >
    >
    > --
    > Maurice McHugh, Ph.D.
    >
    > mmchug4@lsu.edu
    >
    > Assistant Professor Ph: (225)578-0476
    > Department of Geography and Anthropology Fax: (225)578-4420
    > Louisiana State University
    >
    > _______________________________________________
    > ncl-talk mailing list
    > ncl-talk@ucar.edu
    > http://mailman.ucar.edu/mailman/listinfo/ncl-talk
    >

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