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ee.Dictionary.set

AI-generated Key Takeaways

Dictionary.set(key, value) is used to set a value in a dictionary.
This method returns the modified dictionary.
The method takes three arguments: the dictionary itself, a string key, and an object value.
Examples in JavaScript and Python demonstrate how to use Dictionary.set to change a value associated with a specific key.

Set a value in a dictionary.

Usage	Returns
`Dictionary. set (key, value)`	Dictionary

Argument	Type	Details
this: `dictionary`	Dictionary
`key`	String
`value`	Object

Examples

Code Editor (JavaScript)

 // A dictionary (e.g. results of ee.Image.reduceRegion of an S2 image). 
 var 
  
 dict 
  
 = 
  
 ee 
 . 
 Dictionary 
 ({ 
  
 B1 
 : 
  
 182 
 , 
  
 B2 
 : 
  
 219 
 , 
  
 B3 
 : 
  
 443 
 }); 
 print 
 ( 
 'Set value for B3 key as -9999' 
 , 
  
 dict 
 . 
 set 
 ( 
 'B3' 
 , 
  
 - 
 9999 
 ));

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)

 # A dictionary (e.g. results of ee.Image.reduceRegion of an S2 image). 
 dic 
 = 
 ee 
 . 
 Dictionary 
 ({ 
 'B1' 
 : 
 182 
 , 
 'B2' 
 : 
 219 
 , 
 'B3' 
 : 
 443 
 }) 
 display 
 ( 
 'Set value for B3 key as -9999:' 
 , 
 dic 
 . 
 set 
 ( 
 'B3' 
 , 
 - 
 9999 
 ))

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AI-generated Key Takeaways

Examples

Code Editor (JavaScript)

Colab (Python)

ee.Dictionary.set