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TopoGeo_AddLineString

TopoGeo_AddLineString
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Name

TopoGeo_AddLineString — Adds a linestring to an existing topology using a tolerance and possibly splitting existing edges/faces.

Synopsis

SETOF integer TopoGeo_AddLineString ( varchar atopology , geometry aline , float8 tolerance ) ;

Description

Adds a linestring to an existing topology and returns a set of signed edge identifiers forming it up (negative identifies mean the edge goes in the opposite direction of the input linestring). The given line will snap to existing nodes or edges within given tolerance. Existing edges and faces may be split by the line. New nodes and faces may be added.

[Note]

Updating statistics about topologies being loaded via this function is up to caller, see maintaining statistics during topology editing and population .

Availability: 2.0.0

Enhanced: 3.2.0 added support for returning signed identifier.