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Map projections [message #27969]

Mon, 12 November 2001 07:55

James Kuyper
Messages: 425
Registered: March 2000

Senior Member

Is there any way to get at the coordinate conversion function for the
currently active map projection? I'm talking about a function that takes
a physical position in latitude and longitude coordinates, and converts
it into an image position using either data, device, or normal
coordinates. It doesn't matter which; once the position is in any one of
those forms, I can get the others by using CONVERT_COORD. Such functions
have to exist in order for IDL to perform mapping, but they don't seem
to be publically exposed. I'd also like to have access to the inverse
function, to get a lat/lon corresponding to an image position.

--
James Kuyper
MODIS Level 1 Lead
Science Data Support Team
(301) 352-2150

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[Message index]

		Map projections By: James Kuyper on Mon, 12 November 2001 07:55
		Re: map projections By: jeffnettles4870 on Wed, 13 February 2008 14:04
		Re: Map Projections By: David Fanning on Fri, 15 January 2010 13:12
		Re: Map Projections By: Juggernaut on Mon, 18 January 2010 05:16
		Re: Map Projections By: David Fanning on Fri, 15 January 2010 12:52
		Re: Map Projections By: Juggernaut on Mon, 18 January 2010 09:28
		Re: Map Projections By: Juggernaut on Mon, 18 January 2010 11:00
		Re: Map Projections By: David Fanning on Mon, 18 January 2010 09:41

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