problem. It accessed the RPCs and correctly used the Aster DEM. When I
tried with orfeo using the command line, it did not work. My guess is that
elevation is set to zero. I copy here the command I used and the output.
OTB also repeatedly tried to set the elevation (marked in red).
c:\Users\BAF1858\Documents\058628872010_01\058628872010_01_P001_MUL\18AUG16104130-M2AS-058628872010_01_P001.TIF
-io.out c:\Users\BAF1858\Documents\058628872010_01\test\M2AS_ortho.TIF
float -outputs.mode auto -elev.dem
c:\Users\BAF1858\Documents\058628872010_01\DEM\UTM\subset\ASTGTM2_N51E010_dem_UTm32N_sub.tif
-elev.geoid c:\Users\BAF1858\Documents\058628872010_01\egm96.grd -opt.ram
4096 -map.utm.zone 32 -map.utm.northhem TRUE
2018-11-20 11:26:37 (INFO): Elevation management: setting default height
above ellipsoid to 0 meters
2018-11-20 11:26:37 (INFO): Loading kwl metadata from official product in
file
c:\Users\BAF1858\Documents\058628872010_01\058628872010_01_P001_MUL\18AUG16104130-M2AS-058628872010_01_P001.TIF
2018-11-20 11:26:37 (INFO): Elevation management: setting default height
above ellipsoid to 0 meters
2018-11-20 11:26:37 (INFO): Elevation management: setting default height
above ellipsoid to 0 meters
2018-11-20 11:26:37 (INFO): Elevation management: setting default height
above ellipsoid to 0 meters
2018-11-20 11:26:37 (INFO): Elevation management: setting default height
above ellipsoid to 0 meters
2018-11-20 11:26:37 (INFO): Elevation management: setting default height
above ellipsoid to 0 meters
2018-11-20 11:26:37 (INFO): Elevation management: using DEM directory
(c:\Users\BAF1858\Documents\058628872010_01\DEM\UTM\subset\ASTGTM2_N51E010_dem_UTm32N_sub.tif)
2018-11-20 11:26:37 (INFO): Elevation management: setting default height
above ellipsoid to 0 meters
2018-11-20 11:26:37 (INFO): Elevation management: using geoid file
(c:\Users\BAF1858\Documents\058628872010_01\egm96.grd)
2018-11-20 11:26:37 (INFO): Elevation management: using DEM directory
(c:\Users\BAF1858\Documents\058628872010_01\DEM\UTM\subset\ASTGTM2_N51E010_dem_UTm32N_sub.tif)
2018-11-20 11:26:37 (INFO): Elevation management: setting default height
above ellipsoid to 0 meters
2018-11-20 11:26:37 (INFO): Elevation management: using geoid file
(c:\Users\BAF1858\Documents\058628872010_01\egm96.grd)
2018-11-20 11:26:37 (INFO): Elevation management: using DEM directory
(c:\Users\BAF1858\Documents\058628872010_01\DEM\UTM\subset\ASTGTM2_N51E010_dem_UTm32N_sub.tif)
2018-11-20 11:26:37 (INFO): Default RAM limit for OTB is 128 MB
2018-11-20 11:26:37 (INFO): GDAL maximum cache size is 813 MB
2018-11-20 11:26:37 (INFO): OTB will use at most 4 threads
2018-11-20 11:26:37 (INFO): Elevation management: setting default height
above ellipsoid to 0 meters
2018-11-20 11:26:37 (INFO): Elevation management: using geoid file
(c:\Users\BAF1858\Documents\058628872010_01\egm96.grd)
2018-11-20 11:26:37 (INFO): Elevation management: using DEM directory
(c:\Users\BAF1858\Documents\058628872010_01\DEM\UTM\subset\ASTGTM2_N51E010_dem_UTm32N_sub.tif)
2018-11-20 11:26:37 (INFO): Generating output with size = [2113, 2106]
2018-11-20 11:26:37 (INFO): Generating output with pixel spacing = [1.2,
-1.2]
2018-11-20 11:26:37 (INFO): Generating output with origin = [612511,
5.74369e+06]
2018-11-20 11:26:37 (INFO): Area outside input image bounds will have a
pixel value of [0, 0, 0, 0]
2018-11-20 11:26:37 (INFO): Using a deformation grid with a physical
spacing of 4
2018-11-20 11:26:37 (INFO): Using a deformation grid of size [633.9, 631.8]
288.727MB (avail.: 4096 MB), optimal image partitioning: 1 blocks
2018-11-20 11:26:37 (INFO): File
c:\Users\BAF1858\Documents\058628872010_01\test\M2AS_ortho.TIF will be
written in 1 blocks of 2113x2106 pixels
100% [**************************************************] (2 seconds)
Hi,
Basically, if OTB is able to read the RPC coefficient on your WV3/4
product, you can use Orthorectification. You can check this with
application ReadImageInformation. I don't have a sample sensor product yet.
Regards,
Guillaume
Dear colleagues,
I am curious if the orthorectification module already works or World View
3 and/or 4? In the documentation it states only that WV2 is supported, but
I read on github that WV3/4 should be feasible. Is there any update?
best regards,
Jens
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<http://www.c-s.fr> *Guillaume PASERO*
Responsable technique
*Business Unit ESPACE & GeoInformation - Département Payload Data &
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