[postgis-users] Difference beetween ST_ClosestPoint and ST_Intersection

[Paolo Cavallini]

Il giorno mar, 11/01/2011 alle 20.52 +0100, aperi2007 ha scritto:
> Hi,
> 
> I need to find the intersection point between two lines,
> the first choice is ST_Intersection, but I notice even the 
> ST_ClosestPoint function.

\df+ st_intersection
in the case of two lines, the two results converge, but if you have two
polygons, you can see the difference.
All the best.
-- 
Paolo Cavallini: http://www.faunalia.it/pc