Put a whole write-up here http://blog.cleverelephant.ca/2023/02/proj-network.html
On Thu, Feb 2, 2023 at 8:00 AM Paul Ramsey <[email protected]> wrote: > > > > > On Feb 2, 2023, at 1:58 AM, James Howe <[email protected]> wrote: > > > > Thanks for the help to look in the right direction. > > I downloaded the missing data files and it works now. > > > > # projsync --system-directory --source-id uk_os > > > > postgres=# SELECT st_asewkt(ST_Transform('SRID=7405;POINT(545068 258591 > > 8.51)'::geometry, 4979)); > > st_asewkt > > ------------------------------------------------------------------------- > > SRID=4979;POINT(0.121584703519227 52.20646902224667 54.461915505876696) > > (1 row) > > > > I guess 3.0 reduced what was included by default? > > No, this is very much a proj and packaging thing. We just call the API. > As modern proj got better at grid shifts and finding the best transform > chains, the proj team started collecting more grids. Eventually the grid > collection got so large that distributing it as one unitary package stopped > seeming reasonable. So network/cdn access was adopted, but as a result a > "bare" distribution now includes zero grids, whereas before it was common for > a packaged proj to at least include grids for the "more common" transforms. > > P. > > > > > > James > > _______________________________________________ > > postgis-users mailing list > > [email protected] > > https://lists.osgeo.org/mailman/listinfo/postgis-users > _______________________________________________ postgis-users mailing list [email protected] https://lists.osgeo.org/mailman/listinfo/postgis-users
