[GRASS-user] GRASS & MODIS data (both L2 and L3)

Markus Neteler neteler at itc.it
Wed Apr 4 08:08:03 EDT 2007


Maciej Sieczka wrote on 04/03/2007 06:57 PM:
> Ivan Shmakov wrote:
>   
>>>>>>> "JG" == Jose Gomez-Dans <jgomezdans at gmail.com> writes:
>>>>>>>               
>> 	Looks like I've mistyped the Subject:.  Actually, I'm interested
>> 	in *both* Level 2 (scan-wise) and Level 3 (sinusoidal
>> 	projection) MODIS data.
>>
>> [...]
>>
>>  > I use a lot of MODIS data (all levels essentially). Rather than using
>>  > the HEGTools, I have written a small python script that uses GDAL
>>  > (and Markus Neteler's notes on how to reproject MODIS data)
>>
>> 	I. e.:
>>
>> http://mpa.itc.it/markus/useful/modis_hdf2erdas_ll_wgs84.sh
>>
>> 	I seem not to understand the hack (why +ellps=sphere in
>> 	-t_srs?), but it, indeed, works.
>>     
>
> This is related I guess:
> http://proj.maptools.org/faq.html#sphere_as_wgs84
>   
I don't think that it is related.
I think that it is a GDAL issue. You may check and join my bug report
http://trac.osgeo.org/gdal/ticket/1239

Since the hack mostly works, I don't bother any more :-)
In most cases I am also using the MODIS Reprojection Tool.

Markus

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ITC -> dall'1 marzo 2007 Fondazione Bruno Kessler
ITC -> since 1 March 2007 Fondazione Bruno Kessler
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