VisAD And Geographical Data

Hi there,

I have looked through quite a bit of the VisAD documentation, but still can't 
see quite how to go about a simple geographical mapping type task.

How, for example, would I write a VisAD application that shows a coastline map 
of a given region and displays some numerical data such as contours or wind 
barbs over the top?

How do I actually get the coastline data displayed and how, for example, do I 
convert from lat/long coords to data coords.

I wonder if someone could help me out with a snippet of code, or at least point 
me in the right direction...


Thanks in advance,
Justin

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