Thank you very much Even! As usual, faster fix was completely impossible! :)
Best regards, Pedro Even Rouault <even.roua...@spatialys.com> escreveu no dia sexta, 28/02/2020 à(s) 15:51: > Pedro, > > > I'm trying to make transformations with ogr2ogr, using NTv2 grids, in > > GDAL/OGR 3, and it does not work. > > > > The command I was using in GDAL/OGR 2 is > > > > ogr2ogr -s_srs "+proj=tmerc +lat_0=39.66666666666666 +lon_0=1 +k=1 > > +x_0=200000 +y_0=300000 +ellps=intl > > > +nadgrids=C:\Users\PedroVenancio\AppData\Roaming\QGIS\QGIS3\profiles\default > > \python\plugins\ntv2_transformations\grids\DLx_ETRS89_geo.gsb +wktext > > +pm=lisbon +units=m +no_defs" -t_srs EPSG:3763 -f "ESRI Shapefile" -lco > > ENCODING=UTF-8 > > D:/Testes/postos_vigia/postos_vigia_rede_nacional_3763.shp > > D:\Testes\postos_vigia\postos_vigia_rede_nacional_20790.shp > > > > and the result in GDAL/OGR 3.0.2 or 3.0.4 is > > > > ERROR 1: Failed to reproject feature 0 (geometry probably out of source > or > > destination SRS). > > ERROR 1: Terminating translation prematurely after failed > > translation of layer postos_vigia_rede_nacional_20790 (use -skipfailures > to > > skip errors) > > > > This command works well in GDAL/OGR 2.4.0 and 2.4.2. > > Arg, I found this was a bug of PROJ >= 6. I've just submitted a fix for it > in > https://github.com/OSGeo/PROJ/pull/1998 > The issue came from using both +nadgrids and +pm, which wasn't handled > correctly, and resulted in grid transformation being done with longitudes > expressed in Lisbon prime meridan instead of Greenwich > > > And where can I find documentation about the WKT2 string describing the > > CoordinateOperation to use in -ct? > > Create coordinate operations in WKT2 can be really tedious. The best > reference > is probably the standard itself: > http://docs.opengeospatial.org/is/18-010r7/18-010r7.html > > Even > > -- > Spatialys - Geospatial professional services > http://www.spatialys.com >
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