Sandro Santilli <s...@kbt.io> writes: > Following earlier may from Regina, I'm writing this as a user > inquiry, to get help in shaping the future of PostGIS handling > of custom CRSs. > > The question I have for you is: do you keep your custom CRSs > in the spatial_ref_sys table ? If so: > > - How many ? > - Do you also keep the entries installed by spatial_ref_sys.sql ? > - Do you ever update the table with entries from newer > spatial_ref_sys.sql ?
I don't do any of this and am not a useful datapoint, but I am heading for one or more custom CRS definitions. Not sure if I need them in postgis or just qgis. However, with packager hat on, I think it's a good thing to somehow clearly separate A) entries under the control of postgis B) user entries and the idea that category A entries get wholesale replaced with package entries on upgrade, and category B entries are never touched the effective entries are the union of A and B sounds right to me. Also, insttall X, upgrade to Y should result in the same state as install Y, to the extent feasible.
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