Hi Josep,<div><br><div>maybe OSSIM can be of use: <a href="http://trac.osgeo.org/ossim/wiki/orthorectification">http://trac.osgeo.org/ossim/wiki/orthorectification</a></div><div><br></div><div>HTH,</div><div>madi<br><br><div class="gmail_quote">
On Tue, Jan 15, 2013 at 1:05 PM, Josep Sitjar <span dir="ltr"><<a href="mailto:josep@sigte.udg.edu" target="_blank">josep@sigte.udg.edu</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div bgcolor="#FFFFFF" text="#000000">
OK Moritz, thanks for the comment. <br>
While the linewise ortho-rectification of satellite data is not
implemented, do you know another open source solution to perform
this task?<br>
<br>
Thanks,<div><div class="h5"><br>
<br>
<br>
<br>
On 01/15/2013 12:09 PM, Moritz Lennert wrote:
<blockquote type="cite">On 15/01/13 10:44, Nikos Alexandris wrote:
<br>
<blockquote type="cite">Josep:
<br>
<br>
<blockquote type="cite">Hi,
<br>
</blockquote>
<br>
Hi Josep!
<br>
<br>
<blockquote type="cite">I'm working with an SPOT scene, which is
preprocessed at the level 1A.
<br>
Now I need to do a geometric correction of this scene, not
only with
<br>
control points but also with a Digital Terrain Model. It's
possible to
<br>
do this in GRASS? How?
<br>
</blockquote>
<br>
Of course it is possible. Please, get your grip on the
respective GRASS-wiki
<br>
page and the related manuals.
<br>
<br>
Pointers:
<br>
<br>
<a href="http://grasswiki.osgeo.org/wiki/Georeferencing" target="_blank"><http://grasswiki.osgeo.org/wiki/Georeferencing></a>
<br>
<br>
and
<br>
<br>
<a href="http://grass.osgeo.org/grass64/manuals/gm_georect.html" target="_blank"><http://grass.osgeo.org/grass64/manuals/gm_georect.html></a>
<br>
<a href="http://grass.osgeo.org/grass64/manuals/wxGUI.GCP_Manager.html" target="_blank"><http://grass.osgeo.org/grass64/manuals/wxGUI.GCP_Manager.html></a>
<br>
<br>
and, of
course<a href="http://grass.osgeo.org/grass64/manuals/i.ortho.photo.html" target="_blank"><http://grass.osgeo.org/grass64/manuals/i.ortho.photo.html></a>
<br>
</blockquote>
<br>
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:
<a href="http://trac.osgeo.org/grass/wiki/Grass7/ImageryLib" target="_blank">http://trac.osgeo.org/grass/wiki/Grass7/ImageryLib</a> =>
"Implement/finish linewise ortho-rectification of satellite data"
<br>
<br>
Moritz
<br>
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</blockquote>
<br>
<br>
</div></div><div class="im"><div>-- <br>
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<td colspan="2">Josep Sitjar<br>
Técnico SIG</td>
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<td>Tel. (34)972418039<br>
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<br></blockquote></div><br><br clear="all"><div><br></div>-- <br><div><div><font color="#666666">Margherita DI LEO </font></div><div><font color="#666666">Postdoctoral Researcher</font></div><div><font color="#666666"><br>
</font></div><div><font color="#666666">European Commission - DG JRC </font></div><div><font color="#666666">Institute for Environment and Sustainability (IES). Unit H03 – FRC</font></div><div><font color="#666666">Via Fermi, 2749</font></div>
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