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ee.FeatureCollection.aggregate_first

  • Aggregates over a collection, calculating the property value of the first object.

  • Used with a FeatureCollection and a specified property (String).

  • Theaggregate_first method returns the value of the specified property for the first feature in the collection.

 Aggregates over a given property of the objects in a collection, calculating the property value of the first object in the collection.

UsageReturns
FeatureCollection.aggregate_first(property)
ArgumentTypeDetails
this:collectionFeatureCollectionThe collection to aggregate over.
propertyStringThe property to use from each element of the collection.

Examples

Code Editor (JavaScript)

// FeatureCollection of power plants in Belgium.varfc=ee.FeatureCollection('WRI/GPPD/power_plants').filter('country_lg == "Belgium"');print('Fuel source for first power plant in the collection',fc.aggregate_first('fuel1'));// Wind

Python setup

See the Python Environment page for information on the Python API and usinggeemap for interactive development.

importeeimportgeemap.coreasgeemap

Colab (Python)

# FeatureCollection of power plants in Belgium.fc=ee.FeatureCollection('WRI/GPPD/power_plants').filter('country_lg == "Belgium"')display('Fuel source for first power plant in the collection:',fc.aggregate_first('fuel1'))# Wind

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Last updated 2023-10-06 UTC.