QGIS is freezing on a transformation between EPSG:26912 and EPSG:3402. It appears to be looking for a grid shift file AB_CSRS.DAC which I can get from the federal government but I don't know how or where to apply it in QGIS. What am I missing?
The grids are readed from the
Depending on the operating system and the installation is where it is located.
In Windows machines it is in the
QGIS version folder for stand-alone default installs, or in the
OSGeo4W folder for OSGeo4W default installs. In Linux it can be in
/usr or in
If you have already the grid file, just save it in your
\share\proj folder and PROJ, QGIS and GDAL will read the grid from there.