Hi, This question may belong rather to the Proj mailing list. There is already a thread https://lists.osgeo.org/pipermail/proj/2020-July/009729.html.
-Jukka Rahkonen- John Daniel-2 wrote > Hello, > The old proj-datumgrid is divided into a small, 13 MB required dataset and > a number of much larger optional regional datasets. The new proj-data > doesn't seem to have this distinction. It is smaller overall, but still > 500 MB. > > I am interested in using GDAL in mobile apps so I don't want to include > that much data. Is there a smaller set of proj-data files that can be used > instead? Which of those files are required and which can be omitted? For > example, it is possible to split the data by region, but with the software > work with only a partial set of files? Can the data files be downloaded at > runtime, on demand? If so, I'm sure I will need to include a few of them > by default. > > It looks like PROJ 7 can still be used with the old data. Is PROJ 7 safe > for use with other projects? I have seen some messages that suggested that > this was a problem for some projects. I think Spatialite was one. I won't > be distributing with GPL projects like GEOS or Spatialite, but I would > still like to use them for local testing. > > Thanks. > > John Daniel > Etresoft, Inc. > > _______________________________________________ > gdal-dev mailing list > gdal-dev@.osgeo > https://lists.osgeo.org/mailman/listinfo/gdal-dev -- Sent from: http://osgeo-org.1560.x6.nabble.com/GDAL-Dev-f3742093.html _______________________________________________ gdal-dev mailing list gdal-dev@lists.osgeo.org https://lists.osgeo.org/mailman/listinfo/gdal-dev