Hi everybody,
I try to use otb library in python for orthorectify Pleiades images. With
the following command line everything works fine on OTB 6.4.0:
*otbcli_HomologousPointsExtraction* -in1 %PANSHARP% -in2 %IMGREF%
-algorithm sift -mode geobins -mode.geobins.binstep 512
-mode.geobins.binsize 512 -mfilter 1 -precision 20 -2wgs84 1 -threshold 0.6
-out %OUT%\HOMOLOGOUS_POINTS_SIFT.txt -outvector
%OUT%\HOMOLOGOUS_POINTS_SIFT.shp -elev.dem %DEM% -elev.geoid %GEOID%
But with python, tie points output and vector output are both empty.
No errors messages are generated.
My slave image refer to a vrt.
There is my python function:
def homologuespoints(bundleinput, imgref, algo, outpts_txt, outpts_shp,
dem, geoid):
HomologousPointsExtraction =
otbApplication.Registry.CreateApplication("HomologousPointsExtraction")
HomologousPointsExtraction.SetParameterString("in1", bundleinput)
HomologousPointsExtraction.SetParameterString("in2", imgref)
HomologousPointsExtraction.SetParameterString("algorithm", algo)
HomologousPointsExtraction.SetParameterString("mode", 'geobins')
HomologousPointsExtraction.SetParameterInt("mode.geobins.binstep", 512)
HomologousPointsExtraction.SetParameterInt("mode.geobins.binsize", 512)
HomologousPointsExtraction.SetParameterFloat("threshold", 0.6)
HomologousPointsExtraction.SetParameterString("2wgs84", '1')
HomologousPointsExtraction.SetParameterString("mfilter", '1')
HomologousPointsExtraction.SetParameterString("out", outpts_txt)
HomologousPointsExtraction.SetParameterString("outvector", outpts_shp)
HomologousPointsExtraction.SetParameterString("elev.geoid", geoid)
HomologousPointsExtraction.SetParameterString("elev.dem", dem)
Also, i faces with antoher problem with OTB 6.6.0. The previous command
line (*otbcli_HomologousPointsExtraction*) dosen't works on this latest
version. Again, no error are detected but my output image don't want to
open in QGIS and her size is way less bigger than expected: 12 000 ko
rather than 2 Go expected.
If Anyone encounter the same issue.
Thank you for you help.
Sade
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