Thanks Sandro. 39 Cliff View Drive Allens Rivulet Tas 7150 (W) 0418 396 391
On 23 Jul 2022, 11:14, at 11:14, Sandro Santilli <s...@kbt.io> wrote: >On Wed, Jul 20, 2022 at 06:00:05PM +1000, Simon SPDBA Greener wrote: > >> I could run up a quick test but does PostGIS topology have a >mechanism for >> handling this situation? How does it handle linestrings defined as >XYZ? > >PostGIS Topology *forces* any planar intersection to generate a node. >There's no way to represent a river not intersecting a bridge over it. >Thee only handling of Z is to carry it around and interpolate it when >creating new intersections: it's a 2.5D topology. > >What you describe may be better implemented with pgRouting. > >--strk; >_______________________________________________ >postgis-users mailing list >postgis-users@lists.osgeo.org >https://lists.osgeo.org/mailman/listinfo/postgis-users _______________________________________________ postgis-users mailing list postgis-users@lists.osgeo.org https://lists.osgeo.org/mailman/listinfo/postgis-users