[postgis-users] How can I split a polyline?

Robert Burgholzer rburghol at chesapeakebay.net
Tue Mar 7 08:23:02 PST 2006


An possibly:

geometryN(geometry, integer)

for extracting sub-geometries in a true multi-line.

r.b.

-----Original Message-----
From: postgis-users-bounces at postgis.refractions.net
[mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of Amit
Kulkarni
Sent: Tuesday, March 07, 2006 11:11 AM
To: postgis-users at postgis.refractions.net
Subject: Re: [postgis-users] How can I split a polyline?

Fay,

You might use these functions...

1) for splitting to lines

NumGeometries(geometry)
NumPoints(geometry)

2) to points
PointN(geometry,integer)


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