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Returns a point at the center of the highest-dimension components of the geometry. Lower-dimensional components are ignored, so the centroid of a geometry containing two polygons, three lines and a point is equivalent to the centroid of a geometry containing just the two polygons.

Point.centroid(maxError, proj)Geometry
this: geometryGeometryCalculates the centroid of this geometry.
maxErrorErrorMargin, default: nullThe maximum amount of error tolerated when performing any necessary reprojection.
projProjection, default: nullIf specified, the result will be in this projection. Otherwise it will be in WGS84.


Code Editor (JavaScript)

// Define a Point object.
var point = ee.Geometry.Point(-122.082, 37.42);

// Apply the centroid method to the Point object.
var pointCentroid = point.centroid({'maxError': 1});

// Print the result to the console.
print('point.centroid(...) =', pointCentroid);

// Display relevant geometries on the map.
Map.setCenter(-122.085, 37.422, 15);
             {'color': 'black'},
             'Geometry [black]: point');
             {'color': 'red'},
             'Result [red]: point.centroid');