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Re: Band+Lat+Lon = georeferenced file? [message #65308]

Mon, 23 February 2009 15:45

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Liam writes:

> If you are working with MODIS Level 1B data, then MRTSwath is a good
> solution:
>
> http://igskmncnwb001.cr.usgs.gov/landdaac/tools/mrtswath/
>
> MRTSwath will resample MODIS Level 1B data to a variety of standard
> map projections, and store the result in a GeoTIFF file.
>
> If you are working with other polar orbiter (e.g., AVHRR) or
> geostationary image data, then I don't know of a freely available
> solution.

The HDFEOS-to-GeoTiff Conversion Tool (HEG) is another piece of
software
(which conveniently also runs on Windows computers) that also does
these
kinds of conversions.

At NSIDC, we typically run ms2gt, the MODIS Swath to Grid Toolbox to
do these kinds of conversions:

http://nsidc.org/data/modis/ms2gt/

We like this tool because it can use weighted elliptical averaging
when doing the re-gridding. This eliminates some of the re-gridding
artifacts you sometimes see in other methods. This is available
only on UNIX computers and, alas, the documentation of this product
is somewhat out of date. You might need some help getting it set
up.

Cheers,

David

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		Re: Band+Lat+Lon = georeferenced file? By: David Fanning on Mon, 23 February 2009 15:45
		Re: Band+Lat+Lon = georeferenced file? By: liamgumley on Mon, 23 February 2009 13:49

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