On Tue, Sep 27, 2016 at 07:55:46AM -0500, Mathias Versichele wrote: > Hi all, > > I've been struggling with "non intersecting node" issues when trying to run > st_node, which seems weird to me as st_node is supposed to fix these issues > in the first place, right ? > > The following table dump illustrates the problem: https://we.tl/d3WwOv2AFv > > When running the following query: > > select st_node(st_collect(geom)) from input_geoms; > > I get the following error: > > ERROR: GEOSUnaryUnion: TopologyException: found non-noded intersection > between LINESTRING (1.0708e+06 786844, 1.07094e+06 786875) and LINESTRING > (1.07097e+06 786883, 1.0708e+06 786844) at 1070922.7377618756 > 786871.60839152802 > > The input geoms are already snapped to 10meters precision. > > Help very much appreciated on how to fix this issue.
The message reveals a robustness issue. Noding simply failed. Worth filing a ticket for this. Include output from postgis_full_version and a minimal version of the table dump. --strk; _______________________________________________ postgis-users mailing list postgis-users@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/postgis-users
