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Map contour data in only the USA [message #38226] Fri, 27 February 2004 10:09
Brent_griffith is currently offline  Brent_griffith
Messages: 5
Registered: October 2002
Junior Member
greetings,

I am plotting irregular data for locations across the continental USA.
I would like mask out regions off the coasts and over the borders
with Canada and Mexico. It is like all those weather maps on US
television that cut off Canada. I have been trying the approach by
David at

http://www.dfanning.com/tip_examples/map_on_land.pro

which works great but only for land vs. sea. It would be simple if
the command 'Map_continents, /fill, /USA, color=0' filled just the
states. Has anyone dealt with this before? Screen resolution is
fine. Perhaps a way to fill inside the state lines pulled from the
z-buffer?

thanks in advance.

brent

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