Topology Use Cases from the SIS experience
Status of the document
Just a firts skeleton
Aim of the document
Describe the different kind of topology relationships which are needed for dealing with a street database, yet trying to keep the discussion as general as possible.
Topological models
Model |
Description |
Geometry types involved |
|---|---|---|
network |
lines connecting at node endpoints |
LineString on Point |
segmentation |
Locating a point or a segment on a line using start and end offset |
LineString / no geom |
route |
Defines a route over a network |
LineString / no geom |
subnetwork |
Defines a network where the linear element is a route system over a second network and the nodes come from this second network |
LineString / no geom |
polygon_boundary |
Lines defining the boundaries between polygons |
LineString on Polygon |
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