If someone is willing, there is an old Geography Overlays patch that needs lots of love: https://github.com/postgis/postgis/pull/191
On Tue, Jan 22, 2019 at 12:13 AM Paul Ramsey <pram...@cleverelephant.ca> wrote: > > > > On Jan 21, 2019, at 1:00 PM, Simon Greener <si...@spatialdbadvisor.com> > wrote: > > > > When a geography is casted to geometry for use in the aggregate form of > ST_Union (or other commands such as ST_Within) is the processing done > assuming the data is projected even when geodetic? > > All processing of geometry make cartesian assumptions. Processing of > geography using geography native functions (no casting required) makes > spherical assumptions. When you case from geography::geometry you are > telling the database “please process this data using cartesian > assumptions”. Do we support spherical processing for all (or even many) > kinds of operations? No we do not. That’s hard. Could we in the future? > Sure, it might happen. > > ATB, > P > _______________________________________________ > postgis-users mailing list > postgis-users@lists.osgeo.org > https://lists.osgeo.org/mailman/listinfo/postgis-users -- Darafei Praliaskouski Support me: http://patreon.com/komzpa
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