[postgis-users] massive snap of points of one geometry to points of another geometry

Jan Hartmann j.l.h.hartmann at uva.nl
Tue Nov 16 04:04:21 PST 2010

On 11/15/10 18:03, strk wrote:
> The function exists within GEOS, which is a library used by PostGIS.
> But the specific functionality (snapping) isn't exposed in SQL yet.
> What you could do is implement or fund implementation of
> the missing bit (the wrapper).
I've always found snapping a very important function in all kinds of 
(carto)graphic environments. Could you give an indication how much time 
it would cost to write the PostGIS wrappers? If the algorithm already 
exists in GEOS, exposing it in PostGIS doesn't look like a major problem 
to me.


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