[GRASS-user] Geometric correction with GRASS

[Josep Sitjar]

OK Moritz, thanks for the comment.
While the linewise ortho-rectification of satellite data is not 
implemented, do you know another open source solution to perform this task?

Thanks,



On 01/15/2013 12:09 PM, Moritz Lennert wrote:
> On 15/01/13 10:44, Nikos Alexandris wrote:
>> Josep:
>>
>>> Hi,
>>
>> Hi Josep!
>>
>>> I'm working with an SPOT scene, which is preprocessed at the level 1A.
>>> Now I need to do a geometric correction of this scene, not only with
>>> control points but also with a Digital Terrain Model. It's possible to
>>> do this in GRASS? How?
>>
>> Of course it is possible. Please, get your grip on the respective 
>> GRASS-wiki
>> page and the related manuals.
>>
>> Pointers:
>>
>> <http://grasswiki.osgeo.org/wiki/Georeferencing>
>>
>> and
>>
>> <http://grass.osgeo.org/grass64/manuals/gm_georect.html>
>> <http://grass.osgeo.org/grass64/manuals/wxGUI.GCP_Manager.html>
>>
>> and, of 
>> course<http://grass.osgeo.org/grass64/manuals/i.ortho.photo.html>
>
> i.ortho.photo is used for aerial photography, not for satellite 
> imagery. There is currently no orthorectification of satellite images 
> in GRASS. It is on the ToDo list though: 
> http://trac.osgeo.org/grass/wiki/Grass7/ImageryLib => 
> "Implement/finish linewise ortho-rectification of satellite data"
>
> Moritz
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> grass-user at lists.osgeo.org
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>


-- 
	
Josep Sitjar
Técnico SIG
Tel. (34)972418039
www.sigte.udg.edu <http://www.sigte.udg.edu> 
<http://exploradoressig.wordpress.com/> <http://twitter.com/SIGTE_UDG> 
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