Spatialite does to Sqlite what Postgis does to Postgres. Same concepts. Noël
On Sat, 20 Oct 2018 at 22:49, Jonathan Moules <jonathan-li...@lightpear.com> wrote: > More specifically, in the "Simple Features for SQL" specification: > > http://www.opengeospatial.org/standards/sfs > > and if you have access (or gobs of money), there's the ISO spec (I'm > guessing it's the same) - > https://webstore.ansi.org/RecordDetail.aspx?sku=ISO+19125-1%3A2004 > > I'd also suggest PostGIS (a PostGreSQL extension for spatial) given > they're open-source you can take a gander at their code to get a feel > for it. > > PostGIS also has a superset called "EWKB", though the docs are fairly > poor on it (I'm not sure what the "E" is for - Enhanced"?) - "PostGIS > EWKB/EWKT add 3dm,3dz,4d coordinates support and embedded SRID > information" - probably beyond the scope of what you want in geopoly at > this point. > > Cheers, > > Jonathan > > > On 2018-10-19 21:56, Noel Frankinet wrote: > > There a WKB and WKT (text) representation). > > You can probably find everything : http://www.opengeospatial.org > > Spatialite is also a good source > > . > > > > > > On Fri, 19 Oct 2018 at 22:47, Richard Hipp <d...@sqlite.org> wrote: > > > >> On 10/19/18, Thomas Kurz <sqlite.2...@t-net.ruhr> wrote: > >>>> Beginning with the next release, polygons will always be stored in the > >>>> binary format. > >>> Is the SQLite binary encoding identical to the Well-Known-Binary > geometry > >>> format? > >> That might have happened, except the WKB format was not known to me... > >> Where can I find information about WKB? > >> > >> -- > >> D. Richard Hipp > >> d...@sqlite.org > >> _______________________________________________ > >> sqlite-users mailing list > >> sqlite-users@mailinglists.sqlite.org > >> http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite-users > >> > > > > > _______________________________________________ > sqlite-users mailing list > sqlite-users@mailinglists.sqlite.org > http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite-users > -- Noël Frankinet Strategis sprl 0478/90.92.54 _______________________________________________ sqlite-users mailing list sqlite-users@mailinglists.sqlite.org http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite-users
