Just to add my $0.02 - I think it would be great if NetCDF-Java could use
Geotoolkit (which I prefer to GeoTools) to handle projections, ellipsoids etc.
The CF projections are (I think) a small subset of the projections that Gtk can
handle so hopefully this might not be too much work. I could probably help if
required.
(perhaps the weight of the dependency could be reduced by stripping out the
stuff that isn't necessary for nj4? Might require a special build?)
Cheers, Jon
-----Original Message-----
From: netcdf-java-bounces@xxxxxxxxxxxxxxxx
[mailto:netcdf-java-bounces@xxxxxxxxxxxxxxxx] On Behalf Of John Caron
Sent: 24 March 2010 19:46
To: Martin Desruisseaux
Cc: netcdf-java@xxxxxxxxxxxxxxxx
Subject: Re: [netcdf-java] ncWMS and ellipsoid-support in CF-1.2
Wow, thats great news Martin, Ill check it out ASAP.
Martin Desruisseaux wrote:
> Hello Jon
>
> Le 24/03/10 19:43, John Caron a écrit :
>> Thanks for reminding me of geotools. I have it on my (long) list of
>> possibilities. I have looked at it in the past, but it was difficult to
>> see what dependencies were actually needed (thanks for the summary). The
>> other advantages you mention are also alluring.
>
> Actually this is no longer GeoTools, but a fork of GeoTools created 10
> months ago. The raison for the fork are out of scope of this mailing
> list, but the result is that the referencing module in Geotoolkit is
> cleaner, more stable and performant than it was in GeoTools and the list
> of dependencies has been reduced. The module is also provided with all
> its dependencies as a single JAR file for those who don't want to handle
> many JAR files, and a new release is made every months.
>
>
>> We would have to write an adapter from our Projection interface to
>> whatever API geotools uses. Also translate CF parameter conventions for
>> each projection. Its possible we could keep it as an optional jar, for
>> those concerned about size.
>
> This is already partially done. The following package contains adapters
> for NetCDF API (note: this package didn't existed in GeoTools). It
> should allows NetCDF users to use some of the Geotoolkit referencing
> engine with NetCDF CoordinateSystem objects, while I have not yet tested
> extensively that interoperability:
>
> http://www.geotoolkit.org/apidocs/org/geotoolkit/referencing/adapters/package-summary.html
>
>
>
> There is also code in other packages that translate some attributes from
> CF conventions to ISO 19115-2 metadata.
>
> Regards,
>
> Martin
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