[postgis-users] ST_Contains - WGS84

Markus Schaber schabi at logix-tt.com
Mon Jun 30 03:36:27 PDT 2008

Hi, Regina,

"Obe, Regina" <robe.dnd at cityofboston.gov> wrote:

> As I understand it, they just perform operations on the coordinates given to them and verify that the two geometries are in the same coordinate system otherwise the analysis would be pointless since you would be comparing apples and oranges.

Yes, that's true, they just work on the underlying coordinates,
interpreting them in a carthesian way.


Markus Schaber | Logical Tracking&Tracing International AG
Dipl. Inf.     | Software Development GIS

Fight against software patents in Europe! www.ffii.org

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