This question was posted originally at http://gis.stackexchange.com/questions/154959/strange-effect-in-gdalwarp-output <http://gis.stackexchange.com/questions/154959/strange-effect-in-gdalwarp-output> but I did not get any helpful response. Here is the problem:
I am using gdalwarp in python to extract and re-project reflectance bands from MODIS level 1B (MOD021km). The command that I am using is the following: / gdalwarp -of GTIFF -tps -t_srs EPSG:4326 -tr 0.01 0.01 -r bilinear -overwrite HDF4_EOS:EOS_SWATH:"C:\tmp\MYD021KM.A2007094.0935.006.2012075055042.hdf":MODIS_SWATH_Type_L1B:EV_500_Aggr1km_RefSB C:\tmp\Output.tif / It converts the hdf subdataset without any problem but the output file seems to have some sort of artifact, specially close to the edges. (See below) <http://osgeo-org.1560.x6.nabble.com/file/n5216470/gdalwarp.jpg> I converted the same data using Modis Conversion Toolkit (MCTK) and it seems to be much better. (Below) <http://osgeo-org.1560.x6.nabble.com/file/n5216470/MCTK.jpg> I tried different resampling method and different output projection but still the same results! Is there anyone having this issue with gdalwarp? P.S. The data can be downloaded from this address: ftp://ladsweb.nascom.nasa.gov/allData/6/MYD021KM/2007/094/MYD021KM.A2007094.0935.006.2012075055042.hdf -- View this message in context: http://osgeo-org.1560.x6.nabble.com/Strange-effect-in-gdalwarp-output-tp5216470.html Sent from the GDAL - Dev mailing list archive at Nabble.com. _______________________________________________ gdal-dev mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/gdal-dev
