Greetings!

A Word of Caution: that no matter how accurate the HAT is that the reading may 
be only as accurate as the Terrain used. In my experience making and using 
terrain, I have found that even some of these high priced terrain builders have 
their flaws compounded by the fact that most data in the public realm has only 
a certain level of accuracy. So you’re only going to get a certain level of 
confidence in relation to the real world figures or even some other forms of 
map data I have used. 

Terrain can be such a fickle beast!

... 

D Glenn

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D Glenn (a.k.a David Glenn) - Join the Navy and See the World ... from your 
Desk!

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Read this topic online here:
http://forum.openscenegraph.org/viewtopic.php?p=34511#34511





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