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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