Re: regridding from indicial axes to lat/lon axes

[Steve Hankin <hankin@xxxxxxxxxxxxx>]

Hi Will,

Two methods:

  1. Redefine the "indicial" axes using (e.g.)
     DEFINE AXIS/X=<lo>:<hi>:<delta> `my_var,RETURN=xaxis`
  2. define the axes and use use "regridding by association" (G=@ASN)

Check the Users Guide for details
(http://ferret.wrc.noaa.gov/Ferret/Documentation/Users_Guide/v52/fer_html.htm)

    - steve

------------------------------------------------------------------

Will Lewis wrote:

> Hello,
>
> I need to process the raw output from a numerical model. The output is in
>
> netCDF format, but the x and y axes are defined indicially (x from 1 to 384,
>
> and y from 1 to 288). I would like to regrid the data to a standard
>
> lat/lon grid, and I've tried using modulo regridding, but I keep getting
>
> longitudes which do not match (40e is always centerd on the continental U.S.!)
>
> and I am unable to get the y axis into any but north latitudes, so that
>
> instead of an axis from 90s to 90n, i get one from 0 to 180n.
>
> Any help you can provide would be most appreciated.
>
> thanks,
>
> Will
>
> --
> Will Lewis (will@blue.meteor.wisc.edu)
> Center for Climatic Research
> Deptartment of Atmospheric and Oceanic Sciences
> University of Wisconsin

--

                |  NOAA/PMEL               |  ph. (206) 526-6080
Steve Hankin    |  7600 Sand Point Way NE  |  FAX (206) 526-6744
                |  Seattle, WA 98115-0070  |  hankin@pmel.noaa.gov