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]

La mise à jour des statistiques sur les topologies chargées via cette fonction est du ressort de l'appelant, voir maintaining statistics during topology editing and population.

Disponibilité : 2.0.0

Enhanced: 3.2.0 added support for returning signed identifier.