[postgis-users] Function geomunion() problem
santy
santosh at osgeo.in
Thu Jul 2 22:00:17 PDT 2009
Hi,
Here is the URL for my application
http://www.wetlandsofindia.org/kerala/sample.htm
When I search as below
District: Palakkad
Then select Panchayat option
Bloack: Ottappalam
Then hit Submit.
It shows me the boundary of Ottappalam block but it shows me a line
joining the polygon.
I am using following query to return the boundary
select btrim(astext(transform(geomunion(geometry), 4326)),'MULTIPOLYGON
()') from k_panchayat where
district like '%$district%' and block like '%$block%' group by block
It returns me a single polygon only but somehow I do not understand
from where the line is coming.
I am looking for the solution.
Thanks
Santosh
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