Re: change order of coordinates of a variable

Please see NCL's dimension reordering:

    http://www.ncl.ucar.edu/Document/Language/reorder.shtml

A ful descrioption is at:

    http://www.ncl.ucar.edu/Document/Manuals/Ref_Manual/NclVariables.shtml

On 12/29/12 12:47 PM, H.Dang wrote:
> Hi dear all,
>
> I have a 2-D variable from a netCDF file, var(144,96), which has 144
> longitudes and 96 latitudes. These latitudes and longitudes are saved in
> variables "lat" and "lon". I named the dimensions by myself, now it's like:
>
> Variable: var
> Type: double
> Total Size: 110592 bytes
> 13824 values
> Number of Dimensions: 2
> Dimensions and sizes: [lon | 144] x [lat | 96]
> Coordinates:
> lon: [ 0..357.5]
> lat: [ -90..89.99999999999999]
> Number Of Attributes: 1
> _FillValue : 9.969209968386869e+36
>
> I thought the order of "lat" and "lon" should be reversed, otherwise the
> data of northern hemisphere are plotted on eastern hemisphere. I just
> wonder how to change var([lon | 144] x [lat | 96]) to var2([lat | 96] X [lon
> | 144]) to let NCL recognize the longitudes (from 0 to 360) automatically.
> Thank you!
>
> Best
> Hongyan
>
>
>
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Received on Sun Dec 30 16:20:14 2012