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ee.FeatureCollection.aggregate_sum

AI-generated Key Takeaways

Aggregates values of a specified property across a collection of objects.
Calculates the sum of the selected property's values.
Used with a FeatureCollection and a string representing the property name.

Aggregates over a given property of the objects in a collection, calculating the sum of the values of the selected property.

Usage	Returns
`FeatureCollection. aggregate_sum (property)`	Number

Argument	Type	Details
this: `collection`	FeatureCollection	The collection to aggregate over.
`property`	String	The property to use from each element of the collection.

Examples

Code Editor (JavaScript)

 // FeatureCollection of power plants in Belgium. 
 var 
  
 fc 
  
 = 
  
 ee 
 . 
 FeatureCollection 
 ( 
 'WRI/GPPD/power_plants' 
 ) 
  
 . 
 filter 
 ( 
 'country_lg == "Belgium"' 
 ); 
 print 
 ( 
 'Sum of power plant capacities (MW)' 
 , 
  
 fc 
 . 
 aggregate_sum 
 ( 
 'capacitymw' 
 )); 
  
 // 13288.600000000002

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)

 # FeatureCollection of power plants in Belgium. 
 fc 
 = 
 ee 
 . 
 FeatureCollection 
 ( 
 'WRI/GPPD/power_plants' 
 ) 
 . 
 filter 
 ( 
 'country_lg == "Belgium"' 
 ) 
 display 
 ( 
 'Sum of power plant capacities (MW):' 
 , 
 fc 
 . 
 aggregate_sum 
 ( 
 'capacitymw' 
 )) 
 # 13288.600000000002

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AI-generated Key Takeaways

Examples

Code Editor (JavaScript)

Colab (Python)

ee.FeatureCollection.aggregate_sum