| Re: Plotting 'continents' in object graphics... [message #41270 is a reply to message #41124] |
Mon, 04 October 2004 04:26   |
David Fanning
Messages: 11724
Registered: August 2001
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Senior Member |
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George Millward writes:
> I am plotting data on a sphere - using the 'Orb' object - and i want
> to add the continents boundaries - just like the 'continents' command
> in direct graphics. Only there isn't a continents command for
> objects. Has anyone done this / know how to do it ?
I believe I know "how" do to it. You are going to have
to use a shapefile of a continent, or perhaps all the countries
of the world. I've seen it done (I think) with a world countries
shapefile, although I couldn't tell you where to find it.
(Or maybe what I saw was on a flat representation of an orthogonal
map projection, I can't remember.) Anyway, I think this might
be your only option. RSI offers little or no help with shapefiles,
generally, so you are pretty much on your own. Good luck!
Let us know how you solve this little problem. I *lot* of
people want to know. :-)
Cheers,
David
--
David W. Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http:/www.dfanning.com/
Phone: 970-221-0438, IDL Book Orders: 1-888-461-0155
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