[postgis-users] How to get the centerline of a polygon?

[Martin Davis]

Have a look at this:

http://www.jump-project.org/project.php?PID=SK&SID=OVER

Eric Yu wrote:
> Hi,
>
> Suppose I have a long shaped polygon, like river area or the road,
> is it possible to get the centerline of the area using PostGIS?
> Or with other GIS library/software? I searched and tried but failed to
> get any solution.
>
> Thank!
>
> Eric
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>   

-- 
Martin Davis
Senior Technical Architect
Refractions Research, Inc.
(250) 383-3022