[postgis-users] Some questions concerning postgis

[Torsten Lange]

st_simplify() might be a function to reduce the no of vertices. Maybe 
also st_buffer(yourGeom, 0) could help to get valid polygons in general 
keeping the geometry.

Regards, Torsten


Neil.Young schrieb:

> Now, that I have valid data in my db, the following questions arise:
>
> 1) The projection of the data is Gauss Krüger III. Possible to 
> re-project to lets say EPSG 4326?
> 2) The polygons contain too much vertices. I would like to reduce it, 
> but keep the common borders valid. Does anybody know, how this could 
> be achieved?