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Re: Exporting to GIS
Hi Jonathan
I am not a very experienced ferret user. So I can't tell you how to do it in
ferret - if it is possible. However, I would propose to do this outside of
ferret as this might be considerably faster. At our institute, a small programm
called cdf2arc (also arc2cdf) was written within the Metphomod project. It
converts regularly gridded (net)cdf data into an ascii arc/info-grid. I'm sure
there are some limitations (such as e.g. hard-coded error values) as it was a
kind of first draft written for a specific task. But it should be quite easy to
adapt it for your needs. It requires that you have the netcdf library installed.
So, if you are interested, have a look at
http://giub.unibe.ch/klimet/metphomod/
and go to the section Downloads.
Good luck,
Nicolas
>Date: Fri, 18 Oct 2002 10:02:08 -0400
>From: Johnathan Kool <jkool@rsmas.miami.edu>
>Subject: Exporting to GIS
>To: ferret_users@ferret.wrc.noaa.gov
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>Hi there,
>
>
>
>I'm a relatively new user of Ferret, coming from the GIS community
>rather than the Physical Oceanography community. I've obtained several
>relatively large data sets in .cdf format that display just fine in
>Ferret. What I'd like to do however, is to convert them into a format
>that can be read by a standard GIS package (ArcInfo). I'm guessing that
>the best way to do this is to convert it into ASCII, but in trying to do
>this using the LIST command, I'm only able to get a maximum of 255
>columns worth of data. Is there a way of expanding this limit, or
>effecting a workaround? It's probably an easy solution, but my lack of
>familiarity with the program is holding me up. Any advice is
>appreciated! Thanks,
>
>
>
>JK
>
_____________________________________________________________
Nicolas Schneider, PhD Student
University of Bern
Institute of Geography
Climatology & Meteorology
Hallerstrasse 12
CH-3012 Bern
phone +41-31-631-8542
fax +41-31-631-8511
email schneid@giub.unibe.ch
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