GetNodeEdges (original) (raw)
Name
GetNodeEdges — Returns an ordered set of edges incident to the given node.
Synopsis
getfaceedges_returntype **GetNodeEdges**(varchar atopology, integer anode);
Description
Returns an ordered set of edges incident to the given node. Each output consists of a sequence and a signed edge id. Sequence numbers start with value 1. A positive edge starts at the given node. A negative edge ends into the given node. Closed edges will appear twice (with both signs). Order is clockwise starting from northbound.
| ![[Note]](http://postgis.net/docs/images/note.png)
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| This function computes ordering rather than deriving from metadata and is thus usable to build edge ring linking. | |
Availability: 2.0