Martin Desruisseaux wrote:
> I downloaded the NADCON grid files from 
> http://www.ngs.noaa.gov/PC_PROD/NADCON/ and I'm considering to include 
> them in the JAR file of GeoTools referencing module, as an optional 
> plugin. If I'm understanding right, it is in the public domain because 
> it is U.S. government work, so I would be allowed to redistribute them 
> in a JAR file providing that I give credit to National Geodetic Survey 
> (NGS). Could someone confirm if I'm right or wrong please?

Martin,

It has always been my understanding that the NADCON data files are
in the public domain.  The PROJ.4 project operates on this assumption.
I don't believe there is a credit requirement, though it would of course
be good manners.

Best regards,
-- 
---------------------------------------+--------------------------------------
I set the clouds in motion - turn up   | Frank Warmerdam, warmer...@pobox.com
light and sound - activate the windows | http://pobox.com/~warmerdam
and watch the world go round - Rush    | Geospatial Programmer for Rent


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