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Re: MAP_SET Aspect Ratio [message #4595 is a reply to message #4593]

Fri, 02 June 1995 00:00

afl
Messages: 51
Registered: December 1994

Member

In article <3qnvjm$fl@smoke.ups.edu>, cavin@odin.ups.edu (Colby Cavin) writes:
|> I have a question about using the MAP_SET function in IDL. I'm
|> trying to overlay some contour maps onto a specific map projection.
|> So far, I can plot up everything just fine, but the aspect ratio is
|> all messed up. When I set the limits, IDL takes those and scales
|> them to fit the existing plot window, allowing the programmer to
|> make Colorado 3 miles wide and 600 miles high (not a very helpful
|> map projection).
|>
|> Do I really have to tweak the window's scaling factors manually
|> in order to get a true map projection?
|>
|> Thanks for your help.
|>
|> Colby Cavin
|> US Geological Survey
|> ccavin@orcapaktcm.wr.usgs.gov cavin@ups.edu
|> (206) 593-6516

A "true" map projection is had with the /isometric keyword.
This goes down as the single greatest IDL mystery-- revealed to
me by someone from the U.K. The position keyword may also help
in some instances, as can the xmargin and ymargin keywords.

--

Andrew F. Loughe email: afl@cdc.noaa.gov
University of Colorado, CIRES voice: (303) 492-0707
Campus Box 449 fax: (303) 497-7013
Boulder, CO 80309-0449 USA

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[Message index]

		Re: MAP_SET Aspect Ratio By: afl on Mon, 05 June 1995 00:00
		Re: MAP_SET Aspect Ratio By: cavin on Fri, 02 June 1995 00:00
		Re: MAP_SET Aspect Ratio By: afl on Fri, 02 June 1995 00:00

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