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);
説明
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]](../images/note.png)
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この関数を介してロードされたトポロジの統計情報の更新は呼び出し元次第です。maintaining statistics during topology editing and populationをご覧下さい。 |
Availability: 2.0.0
Enhanced: 3.2.0 added support for returning signed identifier.