[postgis-users] function from multilinestring to linestring

Markus Schaber schabi at logix-tt.com
Thu Apr 20 07:02:09 PDT 2006

Hi, Toni,

toni hernnadez wrote:

> in case all the multilinestring overlap (I checked) is there another way
> to do it.
> I've tried GeomUnion but it returns multilinestring again.
> I couldn't try linemerge. It seems that in my version in not such a
> function

If they really overlap in such a way that the result can be expressed as
a single LineString, then GeomUnion should return a LineString.

Can you send us a testdata so we can reproduce your problem?

And which PostGIS version are you using?

SELECT postgis_full_version();


Markus Schaber | Logical Tracking&Tracing International AG
Dipl. Inf.     | Software Development GIS

Fight against software patents in EU! www.ffii.org www.nosoftwarepatents.org

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