On mercredi 17 juillet 2019 14:52:55 CEST Dirk Vanden Boer wrote: > After migrating to gdal 3 I'm having problems performing coordinate > transformations in a multi-threaded application. > > My proj.db is in a nonstandard location so I call the > OSRSetPROJSearchPaths once on the main thread before the call to > GDALAllRegister() > > I can do coordinate transformations on my main thread, but on worker > threads I get the proj error "Cannot find proj.db".
Hum, this is supposed to work. I've just enhanced the following test to check that and it works: https://github.com/OSGeo/gdal/blob/master/autotest/cpp/test_osr_set_proj_search_paths.cpp > > Calling OSRSetPROJSearchPaths in each worker thread does not seem to > work either. You don't even need that. There's logic to handle that automagically. To debug this, you could set a breakpoint to OSRGetProjTLSContext() and see if it calls proj_context_set_search_paths() at least once per thread. Even -- Spatialys - Geospatial professional services http://www.spatialys.com _______________________________________________ gdal-dev mailing list [email protected] https://lists.osgeo.org/mailman/listinfo/gdal-dev
