| Re: plotting colored contours on a map [message #54558] |
Tue, 26 June 2007 10:44 |
David Fanning
Messages: 11724
Registered: August 2001
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Senior Member |
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Josh writes:
> I've got a bunch of data in arrays that correspond to lats, lons, and
> elevations at points on a map. I'd like to create an elevation map
> with this data. The problem is that not every point on the map has
> data associated with it (the array entries are linear tracks across
> the map - data taken by satellite fly-overs). I've been successful in
> plotting these position data points.
>
> Something as simple as plotting points whose color correspond to an
> elevation would work, but I would prefer a contour plot. I read the
> portion of David's website regarding contour plots(
> http://www.dfanning.com/color_tips/fill_colors.html ), but I'll admit
> that a lot of that code was over my head. I'm very new to programming
> in IDL, and have a rudimentary (at absolute best) understanding of
> using colors.
You might find this article helpful:
http://www.dfanning.com/color_tips/colorchp3.html
Cheers,
David
--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Sepore ma de ni thui. ("Perhaps thou speakest truth.")
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