Home › attribute › psn

Path Sinuosity (PSN)

DGIF baseline 2026-1, the latest. Earlier baselines: timemap.

RDF: psn.ttl

Name
pathSinuosity
Datatype
Real
Definition
The centerline path length of the feature divided by the shortest straight line from the start point to the end point of the feature.
Description
Typically used for routing algorithms to more precisely estimate the speed of a vehicle given the curves of a road or waterway; a straight path will have a sinuosity of 1.
Accepted
2016-03-22
Defined by
NFDD 6
Used by

Source: DGIF 2026-1 QEA model, DGIWG. Standard: DGIWG 206-3. Licence: CC BY 4.0, © DGIWG.