[PostGIS] #5691: Revive tiger_topology function

PostGIS trac at osgeo.org
Thu Mar 28 02:38:14 PDT 2024


#5691: Revive tiger_topology function
-----------------------------+---------------------------
  Reporter:  robe            |      Owner:  robe
      Type:  enhancement     |     Status:  new
  Priority:  medium          |  Milestone:  PostGIS 3.5.0
 Component:  tiger geocoder  |    Version:  master
Resolution:                  |   Keywords:
-----------------------------+---------------------------
Comment (by strk):

 Next left is the id of the edge an ant will encounter while walking on the
 left side of the edge in the same direction of the edge.
 Next right is the one encountered by walking on the other side and the
 opposite direction.
 Those values are: positive if the next edge is encountered from its start
 point, negative if it is encountered from its end point.

 An SQL exposed function to compute the linking is currently unavailable
 (see #4942), the closest you get is (IIRC) the GetNodeEdges which computes
 the order rather than using those "next" values - see
 https://postgis.net/docs/GetNodeEdges.html
-- 
Ticket URL: <https://trac.osgeo.org/postgis/ticket/5691#comment:2>
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