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Re: data stored on a no-regular lat/lon grid


The following Ferret FAQ addresses the issue of putting curvilinear
coordinate data onto a map projection.  This will allow you to mix
'rectilinear' and 'curvilinear' data and plot them together on any supported
map projection.


If that doesn't answer your question I suggest you set up an OPeNDAP server
so that I can access your data and I'll figure out what might work.

-- Jon

Jean-Francois PIOLLE wrote:

> Dear all,
> I face a problem I guess some other people have encountered but I can't
> get an answer through the mailing list archive :
> I'm trying to serve regional SST data through LAS : these data are
> stored on a 1024x1024 grid (netCDF format) but this grid isn't a lat/lon
> regular grid since data are mapped on a stereographic grid; this means
> that 2D latitude/longitude arrays are stored within the file.
> How can LAS/Ferret handle this dataset for the data to be plotted in the
> same projection (regular lat/lon grid) like other regular datasets (so
> that I can then easily compare my SST with any  'rectangular' datasets
> such as the Reynolds climatology, etc...)?
> I know how to plot such a stereographic dataset to a rectangular
> geographic map with IDL or Matlab, but since I'm not very familiar with
> LAS/Ferret, I wonder if there is some way to manage this easily.
> Regards
> Jean-Francois
> --
> -------------------------------------------------------------
> Jean-Francois PIOLLE
> CERSAT  French ERS Processing and Archiving Facility
> BP70
> 29280 Plouzane
> Tel.:  (+33) 2 98 22 46 91   email: jfpiolle@ifremer.fr
> Fax:   (+33) 2 98 22 45 33   WWW:   http://www.ifremer.fr/cersat
> -------------------------------------------------------------

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