PostGIS

TopoGeo_AddPoint — Adds a point to an existing topology using a tolerance and possibly splitting an existing edge.

+integer +TopoGeo_AddPoint(+`varchar `+atopology, geometry apoint, float8 tolerance`)`;

Adds a point to an existing topology and returns its identifier. The given point will snap to existing nodes or edges within given tolerance. An existing edge may be split by the snapped point.

Availability: 2.0.0

TopoGeo_AddLineString, TopoGeo_AddPolygon, AddNode, CreateTopology