On 8/05/19 11:44, Martin Landa wrote:
Hi,

st 8. 5. 2019 v 11:31 odesílatel Moritz Lennert
<mlenn...@club.worldonline.be> napsal:
I don't think we have a tool for this currently. However, I'm not sure that 
right and left are relevant terms for this case. Also: what do you do in the 
case when three lines meet at a node. What would be the 'next_left_edge line' ?

right, these terms comes from TopoGeo model based described in ISO 13249-3:2006.

See eg.

http://freegis.fsv.cvut.cz/gwiki/PostGIS_Topology
https://trac.osgeo.org/postgis/attachment/ticket/3046/error_in_getRingedge.png

Right. That does make sens. I didn't think of left and right in that way.

I don't know what use cases are for this feature, compared to the ones I listed in my previous mail...

Moritz
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