[Qgis-user] Center line

[Raymond Nijssen]

Recently I tried this model from Anita, and it worked very well. Avoid 
using too high accuracy values while exploring it, cause the calculation 
can take long.

http://gis.stackexchange.com/questions/33887/finding-centrelines-from-polygons-in-qgis

Raymond


On 16-03-17 20:16, Stefan Ziegler wrote:
> Hi Boaz
>
> I just stumpled across some very nice PostGIS functions few days ago:
>
> http://postgis.net/docs/manual-2.2/ST_ApproximateMedialAxis.html
> http://postgis.net/docs/manual-2.2/ST_StraightSkeleton.html
>
> For ST_ApproximateMedialAxis() you need SFCGAL extension installed.
>
> regards
> Stefan
>
> On Thu, Mar 16, 2017 at 8:06 PM, Boaz Bar Ilan <boazprosie at gmail.com
> <mailto:boazprosie at gmail.com>> wrote:
>
>     I need to draw a center line across a polygon.  Is there a way to do
>     it ?
>     Thanks
>     Boaz
>
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