You might be able to use an a Shape file representing land masses (i.e. dcwpo-browse) and test if the location is contain in a polygon. The accuracy near shorlines would be definitely be an issue.
Othewise, you will need a terrain database with feature data against which you can query.
Cheers,
David
----- Original Message ----
From: "Alvarez, Amaury A." <Amaury.Alvarez_at_gd-ais.com>
To: openmap-users_at_bbn.com
Sent: Monday, January 28, 2008 7:01:51 PM
Subject: [OpenMap Users] determining if a lat/lon point is over land or over water
Does OpenMap provide any support for determining if a
specific lat/lon geospatial coordinate is over land or over water?
-Amaury
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Received on Tue Jan 29 2008 - 10:30:20 EST