id,summary,reporter,owner,description,type,status,priority,milestone,component,version,resolution,keywords,cc
793,"Topology: function GetNodeByPoint($1,$2,$3)",aperi2007,strk,"Has companion of GetEdgeByPoint I create also
GetNodeByPoint to detect node before call the GetEdgeByPoint.

GetNodeByPoint(atopology, point, tolerance)

Retrieve a Node ID given a POINT and a tolerance
tollerance = 0 mean exactly intersection

Returns the integer ID if there is a Node on the Point.

If there isn't any node in the Point, GetNodeByPoint return 0.

if near the point there are two or more nodes it throw an exception.

",enhancement,closed,medium,PostGIS 2.0.0,topology,trunk,fixed,history,