{ "name": "closest_point", "type": "function", "groups": ["GeometryGroup"], "description": "Returns the point on geometry1 that is closest to geometry2.", "arguments": [ {"arg":"geometry1","description":"geometry to find closest point on"}, {"arg":"geometry2","description":"geometry to find closest point to"} ], "examples": [ { "expression":"geom_to_wkt(closest_point(geom_from_wkt('LINESTRING (20 80, 98 190, 110 180, 50 75 )'),geom_from_wkt('POINT(100 100)')))", "returns":"Point(73.0769 115.384)" } ] }