{
  "name": "rotate",
  "type": "function",
  "description": "Returns a rotated version of a geometry. Calculations are in the Spatial Reference System of this geometry.",
  "arguments": [ {"arg":"geom","description":"a geometry"},
                 {"arg":"rotation","description":"clockwise rotation in degrees"},
                 {"arg":"point","description":"rotation center"}
               ],
  "examples": [ { "expression":"rotate($geometry, 45, centroid($geometry))", "returns":"a rotated geometry of the same type as the original one"}]
}