2020-07-31 03:07:46 +10:00

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{
"name": "y_min",
"type": "function",
"groups": ["GeometryGroup"],
"description": "Returns the minimum y coordinate of a geometry. Calculations are in the spatial reference system of this geometry.",
"arguments": [ {"arg":"geometry","description":"a geometry"}],
"examples": [ { "expression":"y_min( geom_from_wkt( 'LINESTRING(2 5, 3 6, 4 8)') )", "returns":"5"}
]
}