9 lines
417 B
Plaintext

{
"name": "convex_hull",
"type": "function",
"description": "Returns the convex hull of a geometry. It represents the minimum convex geometry that encloses all geometries within the set.",
"arguments": [ {"arg":"geometry","description":"a geometry"}],
"examples": [ { "expression":"geom_to_wkt( convex_hull( geom_from_wkt( 'LINESTRING(3 3, 4 4, 4 10)' ) ) )", "returns":"POLYGON((3 3,4 10,4 4,3 3))"}
]
}