Try including the --debug flag when running the warp, I believe it will provide details on how the transformation was performed as well
On 26 January 2017 at 21:04, Chris Waigl <[email protected]> wrote: > Hi Nicole, > > I have not worked with this dataset or with these exact projections and > can only speculate, but since no one takes a stab at it… > > > - Have you tried experimenting with leaving out the -tr and/or -tap > parameters? > - My first thought was that it might be a problem with source or > target datum, but that seems not so likely. Still, also EPSG:32232, which > uses WGS 72. If you have rally old data it might be that. > > > In any event, I’d advise inspecting the output of gdalinfo for both your > target and your 2006 version. > > Chris > > -- > Christine (Chris) Waigl - [email protected] - +1-907-474-5483 > <(907)%20474-5483> - Skype: cwaigl_work > Geophysical Institute, UAF, 903 Koyukuk Drive, Fairbanks, AK 99775-7320, > USA > > > > > > > > On Jan 26, 2017, at 6:28 AM, Nicole Stoffels <[email protected]> wrote: > > Hi, > > I am trying to reproject the CORINE 2012 dataset from LAEA (EPSG:3035) to > UTM 32 (EPSG:32632). I use the following command: > > $ gdalwarp -overwrite -s_srs EPSG:3035 -t_srs EPSG:32632 -tr 100 100 -tap > -dstnodata '-9999' g100_clc12_V18_5.tif corine2012_utm32n_test.tif > > In the past years my colleague used ArcGIS for this operation, but since > we switched to Linux, I have to find a new solution. When I load the new > dataset generated with gdalwarp to QGIS and compare it with the old 2006 > version built in ArcGIS, I have an offset of approximately 15m south and 3m > east for the single raster squares. > > Now I am not sure if I simply forgot an important flag in my > gdalwarp-command or if the problem simply lies within ArcGIS (my colleague > used the standard options that were proposed). > > Thank you for any ideas, > > Nicole > _______________________________________________ > gdal-dev mailing list > [email protected] > https://lists.osgeo.org/mailman/listinfo/gdal-dev > > > > _______________________________________________ > gdal-dev mailing list > [email protected] > https://lists.osgeo.org/mailman/listinfo/gdal-dev >
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