Hi,
the parameter may ignored because the input tiff lack the RPC
coefficients. Does any of RPC coefficient exist? What is gdalinfo output
of you aerial photos?
Best regards,
Dmitry
18.03.2014 23:54, alain Sauter ?????:
Hi all,
I am trying to orthorectify a couple of aerial photos using gdalwarp,
but i am stuck with the /-to /transformer option. I have seen in
archive two request concerning this issue, but without any answer for
now... so hope this 3rd will have a reply ;)
materials :
scan of an old aerial photo, without fly info and, of course, without
projection, tif format
Dem of the region, tif format
what i've done :
using qgis georeferencer to grab some GPC's on the aerial photo
using gdal_translate to insert GPC's in the aerial photo
what i've try :
using gdalwarp to transform, rectify and project the aerial photo with :
/gdalwarp -to RPC_DEM=dem.tif -t_srs=EPSG:2154 input.tif output.tif/
result:
my file is transformed and projected but not rectified. Option /-to
RPC_DEM /is ignored by gdalwarp, even if I write wrong option like
/-to RP_D...
/Am i doing something wrong ?
thanks for reply
Alain
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