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10 lines
603 B
Plaintext
10 lines
603 B
Plaintext
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{
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"function": "convex_hull",
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"description": "Returns the convex hull of a geometry. It represents the minimum convex geometry that encloses all geometries within the set.",
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"arguments": [ {"arg":"geometry","description":"a geometry"}],
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"examples": [ { "expression":"geom_to_wkt( combine( geom_from_wkt( 'LINESTRING(3 3, 4 4, 5 5)' ), geom_from_wkt( 'LINESTRING(3 3, 4 4, 2 1)' ) ) )", "returns":"MULTILINESTRING((4 4, 2 1), (3 3, 4 4), (4 4, 5 5))"},
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{ "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))"}
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]
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}
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