[postgis-users] Splitting a polygon.

[Kevin Neufeld]

No, not a bug.  It looks like you have a gap in your split line of 
10^-5, which obviously disappears when you reduce the precision.

At coordinates
(1972865.08581219 378326.311285453)
(1972865.08581219 378326.311279507)

Cheers,
Kevin

On 1/24/2010 5:19 PM, Paul moen wrote:
> I made a much more simplified version of what I am trying to do.  I am 
> using PostgreSQL 8.4.2 and POSTGIS="1.4.1" GEOS="3.2.0-CAPI-1.6.0" 
> PROJ="Rel. 4.7.1, 23 September 2009"
>
> I create the table testlines as follows
>
> CREATE TABLE testlines
> (
>  gid integer,
>  the_geom geometry
> )
> WITH (OIDS=TRUE);
> ALTER TABLE testlines OWNER TO postgres;
> INSERT INTO testlines(gid, the_geom) VALUES (1, 
> st_geomfromtext('LINESTRING(1972865.08581219 
> 378326.311285453,1975599.79273051 379853.261981628)',-1));
> INSERT INTO testlines(gid, the_geom) VALUES (2, 
> st_geomfromtext('LINESTRING(1972773.34674946 
> 377707.210612508,1972913.11215175 377573.688032513)',-1));
> INSERT INTO testlines(gid, the_geom) VALUES (3, 
> st_geomfromtext('LINESTRING(1972765.56033513 
> 378288.726667813,1972865.08581219 378326.311279507)',-1));
> INSERT INTO testlines(gid, the_geom) VALUES (4, 
> st_geomfromtext('LINESTRING(1972865.08581219 
> 378326.311279507,1972817.2530921 378237.264198899)',-1));
> ...
> Is this a bug?
>
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