I am trying to do a datum shift transformation using ogr2ogr on the Ubuntu Desktop 16.04 command line. All files, including the grid shift file, are in the same directory. I run the following command:
ogr2ogr -f "ESRI Shapefile" -s_srs "+proj=utm +zone=17 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +nadgrids=ON83CSv1.gsb" -t_srs EPSG:26917 survey_marker_NAD83.shp survey_marker_csrs.shp
I get the following error:
ERROR 1: failed to load datum shift file Failed to reproject feature 0 (geometry probably out of source or destination SRS). ERROR 1: Terminating translation prematurely after failed translation of layer survey_marker_csrs (use -skipfailures to skip errors)
What am I doing wrong?