Re: [postgis-users] Build topology for polygon layer using postgis2.0

2011-11-03 Thread Elton Chan
om)" PL/pgSQL function "st_createtopogeo" line 152 at PERFORM End of Message*** Any idea? What happens? Besides, I support your idea about toTopoGeometry, it is a better way to maintain topology. elton. --- On Thu, 11/3/11, Sandro Santilli wrote: > Fro

Re: [postgis-users] Build topology for polygon layer using postgis2.0

2011-11-02 Thread Elton Chan
11, 2:50 PM > On Sun, Oct 30, 2011 at 10:37:31PM > -0700, Elton Chan wrote: > > Hi there, > > > > I would like to build topology for a polygon layer > using postgis 2.0. The polygon layer contains contiguous > polygons snap to each another but some are having some

[postgis-users] Build topology for polygon layer using postgis2.0

2011-10-30 Thread Elton Chan
Hi there, I would like to build topology for a polygon layer using postgis 2.0. The polygon layer contains contiguous polygons snap to each another but some are having some geometry error such as gap is found between polygons. Does anybody know the procedure to build topology with abovemention

[postgis-users] topology in postgis

2010-08-20 Thread Elton Chan
Hi there, I am studying the topology support in postgis. It seems it requires loading the topological data into table using insert command. I wonder if I have already got a layer, say a polygon layer with cleaned topology. Can postgis build the topology based on the polygon layer directly. Than