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ee.Geometry.MultiPoint.centroid
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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.
Usage Returns MultiPoint. centroid (maxError , proj )
Geometry
Argument Type Details this: geometry
Geometry Calculates the centroid of this geometry. maxError
ErrorMargin, default: null The maximum amount of error tolerated when performing any necessary reprojection. proj
Projection, default: null If specified, the result will be in this projection. Otherwise it will be in WGS84.
Examples
Code Editor (JavaScript)
// Define a MultiPoint object.
var multiPoint = ee.Geometry.MultiPoint([[-122.082, 37.420], [-122.081, 37.426]]);
// Apply the centroid method to the MultiPoint object.
var multiPointCentroid = multiPoint.centroid({'maxError': 1});
// Print the result to the console.
print('multiPoint.centroid(...) =', multiPointCentroid);
// Display relevant geometries on the map.
Map.setCenter(-122.085, 37.422, 15);
Map.addLayer(multiPoint,
{'color': 'black'},
'Geometry [black]: multiPoint');
Map.addLayer(multiPointCentroid,
{'color': 'red'},
'Result [red]: multiPoint.centroid');
Python setup
See the
Python Environment page for information on the Python API and using
geemap
for interactive development.
import ee
import geemap.core as geemap
Colab (Python)
# Define a MultiPoint object.
multipoint = ee.Geometry.MultiPoint([[-122.082, 37.420], [-122.081, 37.426]])
# Apply the centroid method to the MultiPoint object.
multipoint_centroid = multipoint.centroid(maxError=1)
# Print the result.
display('multipoint.centroid(...) =', multipoint_centroid)
# Display relevant geometries on the map.
m = geemap.Map()
m.set_center(-122.085, 37.422, 15)
m.add_layer(multipoint, {'color': 'black'}, 'Geometry [black]: multipoint')
m.add_layer(
multipoint_centroid, {'color': 'red'}, 'Result [red]: multipoint.centroid'
)
m
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Last updated 2023-10-06 UTC.
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