{
  "name": "line_locate_point",
  "type": "function",
  "description": "Returns the distance along a linestring corresponding to the closest position the linestring comes to a specified point geometry.",
  "arguments": [ {"arg":"geometry","description":"a linestring geometry"},
                 {"arg":"point","description":"point geometry to locate closest position on linestring to"}],
  "examples": [ { "expression":"line_locate_point(geometry:=geom_from_wkt('LineString(0 0, 10 0)'),point:=geom_from_wkt('Point(5 0)'))", "returns":"5.0"}]
}