[postgis-users] Simplifying a multipolygon layer, keeping polygon connection
nicolas.ribot at gmail.com
Wed Apr 11 05:30:31 PDT 2012
> Ok, I see you're using 'topo1' as input for the simplification.
> Instead you may want to simplify the input directly:
> select ST_CreateTopoGeo('topo1', ST_Collect(
> ST_SimplifyPreserveTopology(geom, 10000)
> from expl_dep;
Yes, this was the reason: hoping the noded edges could be simplified
without loosing the connectivity (which is the case :) )
In one pass, I fall back to the classical "simplify with broken
topology" as shown on the picture.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: Screen shot 2012-04-11 at 2.27.25 PM.png
Size: 76300 bytes
Desc: not available
More information about the postgis-users