On 30/09/09 13:30, Andy Robinson (blackadder-lists) wrote: > Tom Hughes wrote: > >> The units are meters, but meters on the projected map not great circle >> meters on the surface of the earth. >> >> What osm2pgsql does when you import in that mode is to project the data >> onto a giant flat sheet - effectively it unrolls the globe and stretches >> it until it is flat. The resulting coordinates are in meters but meters >> on that imaginary projected surface. > > Does this mean that when you have in the past pulled way length totals from > the pgsql db that the values will not be true to life?
I believe I have explained that when providing such numbers in the past... Tom -- Tom Hughes ([email protected]) http://www.compton.nu/ _______________________________________________ dev mailing list [email protected] http://lists.openstreetmap.org/listinfo/dev
