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Re: how to make lat/long grid for MODIS in IDL [message #86134 is a reply to message #86122]

Thu, 10 October 2013 06:35

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

dm_gty88 writes:

> I've been trying to make a 2-dimensional array containing lat and long values for the MOD09A1 (basically georeferencing). I've tried using the map_proj_init and map_proj_inverse functions but the output is way off the bounds of my tile. Does anyone have a way to do this in IDL? Other software/methods would be okay but it'll be great if I could use IDL for this. The only data I could supply is are the corners of the tile and other metadata in the MODIS file, like sphere
radius. Thanks!

You might be interested in this article:

http://www.idlcoyote.com/map_tips/modis_overlay.html

Cheers,

David

--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.idlcoyote.com/
Sepore ma de ni thue. ("Perhaps thou speakest truth.")

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[Message index]

		how to make lat/long grid for MODIS in IDL By: dm_gty88 on Tue, 08 October 2013 20:45
		Re: how to make lat/long grid for MODIS in IDL By: Fabzi on Wed, 09 October 2013 00:31
		Re: how to make lat/long grid for MODIS in IDL By: David Fanning on Thu, 10 October 2013 06:35
		Re: how to make lat/long grid for MODIS in IDL By: dm_gty88 on Tue, 29 October 2013 22:52
		Re: how to make lat/long grid for MODIS in IDL By: dm_gty88 on Wed, 30 October 2013 00:48
		Re: how to make lat/long grid for MODIS in IDL By: David Fanning on Wed, 30 October 2013 05:53
		Re: how to make lat/long grid for MODIS in IDL By: dm_gty88 on Wed, 13 November 2013 16:30
		Re: how to make lat/long grid for MODIS in IDL By: David Fanning on Wed, 13 November 2013 18:03
		Re: how to make lat/long grid for MODIS in IDL By: dm_gty88 on Thu, 14 November 2013 03:35
		Re: how to make lat/long grid for MODIS in IDL By: David Fanning on Thu, 14 November 2013 05:55

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