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Map Projection Knowledge Growing Exponentially [message #48586]

Fri, 28 April 2006 11:50

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Folks,

Wow. I've, uh, learned some things in the past couple of days
that I have been concentrating on map projections. (I'll be
sharing some of it in new articles that will be on my web
page soon.)

But I wonder if anyone has an image data set to share that
has associated lat/lon values for each pixel? Or, at least,
a pointer to a location where I might download such a data
set.

I'm beginning to understand just how powerful those MAP_PROJ_*
routines are! :-)

Cheers,

David
--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/

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Re: Map Projection Knowledge Growing Exponentially [message #48633 is a reply to message #48586]

Wed, 03 May 2006 05:06

greg michael
Messages: 163
Registered: January 2006

Senior Member

The Mars Express OMEGA spectrometer data is distributed like this. You
can find it here:

http://www.rssd.esa.int/index.php?project=PSA

Click the red 'access the archive (map based)'. Download a .QUB file
(containing the spectral data), and a .NAV file (containing the
per-pixel lat/lon).

regards,
Greg

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