Re: [GRASS-user] Using GRASS to ortho-rectify satellite imagery
On Wed, Jul 1, 2009 at 8:10 PM, Mike Willis wrote: > Hi can anyone quickly tell me if it is possible to orthorectify > satellite imagery using GRASS? It is not yet possible but an Italian researcher is luckily working on that: http://lists.osgeo.org/pipermail/grass-dev/2009-June/044422.html Markus ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
Re: [GRASS-user] Using GRASS to ortho-rectify satellite imagery
I looked in there for i.topo On Wed, Jul 1, 2009 at 3:06 PM, Alex Mandel wrote: > Mike Willis wrote: Hi can anyone quickly tell me if it is possible to orthorectify satellite imagery using GRASS? Cheers! Mike Willis >> >>> what about i.rectify - Rectifies an image by computing a coordinate >>> transformation for each pixel in the >image based on the control points. ? >>> >>> http://grass.osgeo.org/grass64/manuals/html64_user/i.rectify.html >>> >>> best regards >>> helli >> >> Maybe - but my real purpose is to remove distortions caused by >> topography. Plain rectification will not achieve that. I looked at >> orthophoto but a camera model is required (air photos). I am needing >> to do satellite images (usually, but not always ASTER). >> >> Mike > > Maybe this info will help > http://josef.fsv.cvut.cz/WIKI/grass-osgeo/index.php/Image_processing > > Alex > I looked further from the line "Minnaert or other corrections with i.topo.corr (from GRASS AddOns)" but couldn't see any further reference to i.topo.corr (or rectify3) etc. Mike ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
Re: [GRASS-user] Using GRASS to ortho-rectify satellite imagery
Mike Willis wrote: >>> Hi can anyone quickly tell me if it is possible to orthorectify >>> satellite imagery using GRASS? >>> >>> Cheers! >>> >>> Mike Willis > >> what about i.rectify - Rectifies an image by computing a coordinate >> transformation for each pixel in the >image based on the control points. ? >> >> http://grass.osgeo.org/grass64/manuals/html64_user/i.rectify.html >> >> best regards >> helli > > Maybe - but my real purpose is to remove distortions caused by > topography. Plain rectification will not achieve that. I looked at > orthophoto but a camera model is required (air photos). I am needing > to do satellite images (usually, but not always ASTER). > > Mike Maybe this info will help http://josef.fsv.cvut.cz/WIKI/grass-osgeo/index.php/Image_processing Alex ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
[GRASS-user] Using GRASS to ortho-rectify satellite imagery
>>Hi can anyone quickly tell me if it is possible to orthorectify >>satellite imagery using GRASS? >> >>Cheers! >> >>Mike Willis >what about i.rectify - Rectifies an image by computing a coordinate >transformation for each pixel in the >image based on the control points. ? > >http://grass.osgeo.org/grass64/manuals/html64_user/i.rectify.html > >best regards >helli Maybe - but my real purpose is to remove distortions caused by topography. Plain rectification will not achieve that. I looked at orthophoto but a camera model is required (air photos). I am needing to do satellite images (usually, but not always ASTER). Mike ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
[GRASS-user] Using GRASS to ortho-rectify satellite imagery
>Hi can anyone quickly tell me if it is possible to orthorectify >satellite imagery using GRASS? > >Cheers! > >Mike Willis what about i.rectify - Rectifies an image by computing a coordinate transformation for each pixel in the image based on the control points. ? http://grass.osgeo.org/grass64/manuals/html64_user/i.rectify.html best regards helli __ GRATIS für alle WEB.DE-Nutzer: Die maxdome Movie-FLAT! Jetzt freischalten unter http://movieflat.web.de smime.p7s Description: S/MIME Cryptographic Signature ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
[GRASS-user] Using GRASS to ortho-rectify satellite imagery
Hi can anyone quickly tell me if it is possible to orthorectify satellite imagery using GRASS? Cheers! Mike Willis ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
