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Re: Returning Land Type [message #51800] Fri, 08 December 2006 07:34 Go to previous message
KRDean is currently offline  KRDean
Messages: 69
Registered: July 2006
Member
I did this a few years ago with the 1km Global Land Cover
Characteristics
Database from USGS (usgs2_0g.img.gz). There are several different
land, vegetation, and water values provided as a byte value. The data
file and legend can be found at...

http://edcdaac.usgs.gov/glcc/globdoc2_0.html

It is easy to compute the navigation so you can extract the value --

lin = ( 89.99583333333334 - lat ) / 0.00833333333333
ele = ( -179.99583333333334 - lon ) / 0.00833333333333

Kelly Dean
Fort Collins, Colorado
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