Hi List, For some transformations of data in Greenland we need the extended precision of the etmerc (Extended Transverse Mercator) projection, which is built into proj4.8. I have succesfully built the proj4.8 library and have gotten a definition like, e.g.: +proj=etmerc +lat_0=0 +lon_0=9 +k=0.9996 +units=m +x_0=500000 +datum=WGS84 +nodefs to work in cs2cs. I am also able to get gdal1.9 to succesfully load my proj.dll and start up (programs like gdalinfo, ogrinfo etc.)
However, if I try to run ogr2ogr like: ogr2ogr -s_srs "EPSG:25832" -t_srs "+proj=etmerc +lat_0=0 +lon_0=9 +k=0.9996 +units=m +x_0=500000 +datum=WGS84 +nodefs" C:\DHM\analysis\bakke2.shp C:\DHM\analysis\shape\ bakke.shp I get the following error: Failed to process SRS definition: +proj=etmerc +lat_0=0 +lon_0=9 +k=0.9996 +unit s=m +x_0=500000 +datum=WGS84 +nodefs It works fine if I change +proj=etmerc to +proj=tmerc. Seems to me, that somehow +proj=etmerc is not build into the "metadata system" of gdal/ogr, so that it is not translatable to e.g. a ESRI-wkt definition. Might this be that case, and if so, what should I update in order to get this to work? Cheers, Simon Kokkendorff, National Survey and Cadastre of Denmark
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