ee.Array.add

    • The Array.add method performs element-wise addition of two values.

    • This method is available for use with the Array data type in Earth Engine.

    • The add method takes a single argument, right , which is the value to be added to the left (the array on which the method is called).

    • The result of the addition is a new Array.

     On an element-wise basis, adds the first value to the second.
    Usage Returns
    Array. add (right) Array
    Argument Type Details
    this: left
    		Array The left-hand value.
    right
    		Array The right-hand value.

    Examples

    Code Editor (JavaScript) 

     var 
  
 empty 
  
 = 
  
 ee 
 . 
 Array 
 ([], 
  
 ee 
 . 
 PixelType 
 . 
 int8 
 ()); 
 print 
 ( 
 empty 
 . 
 add 
 ( 
 empty 
 )); 
  
 // [] 
 print 
 ( 
 ee 
 . 
 Array 
 ([ 
 0 
 ]). 
 add 
 ( 
 1 
 )); 
  
 // [1] 
 print 
 ( 
 ee 
 . 
 Array 
 ([ 
 1 
 ]). 
 add 
 ([ 
 2 
 ])); 
  
 // [3] 
 print 
 ( 
 ee 
 . 
 Array 
 ([ 
 - 
 3 
 ]). 
 add 
 ([ 
 - 
 4 
 ])); 
  
 // [-7] 
 print 
 ( 
 ee 
 . 
 Array 
 ([ 
 5 
 , 
  
 6 
 ]). 
 add 
 ([ 
 7 
 , 
  
 8 
 ])); 
  
 // [12,14] 
 var 
  
 array2x3 
  
 = 
  
 ee 
 . 
 Array 
 ([[ 
 0 
 , 
  
 1 
 , 
  
 2 
 ], 
  
 [ 
 3 
 , 
  
 4 
 , 
  
 5 
 ]]); 
 print 
 ( 
 array2x3 
 . 
 add 
 ( 
 1 
 )); 
  
 // [[1,2,3],[4,5,6]] 
 print 
 ( 
 array2x3 
 . 
 add 
 ( 
 array2x3 
 )); 
  
 // [[0,2,4],[6,8,10]]

    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) 

     empty 
 = 
 ee 
 . 
 Array 
 ([], 
 ee 
 . 
 PixelType 
 . 
 int8 
 ()) 
 display 
 ( 
 empty 
 . 
 add 
 ( 
 empty 
 )) 
 # [] 
 display 
 ( 
 ee 
 . 
 Array 
 ([ 
 0 
 ]) 
 . 
 add 
 ( 
 1 
 )) 
 # [1] 
 display 
 ( 
 ee 
 . 
 Array 
 ([ 
 1 
 ]) 
 . 
 add 
 ([ 
 2 
 ])) 
 # [3] 
 display 
 ( 
 ee 
 . 
 Array 
 ([ 
 - 
 3 
 ]) 
 . 
 add 
 ([ 
 - 
 4 
 ])) 
 # [-7] 
 display 
 ( 
 ee 
 . 
 Array 
 ([ 
 5 
 , 
 6 
 ]) 
 . 
 add 
 ([ 
 7 
 , 
 8 
 ])) 
 # [12 ,14] 
 array2x3 
 = 
 ee 
 . 
 Array 
 ([[ 
 0 
 , 
 1 
 , 
 2 
 ], 
 [ 
 3 
 , 
 4 
 , 
 5 
 ]]) 
 display 
 ( 
 array2x3 
 . 
 add 
 ( 
 1 
 )) 
 # [[1, 2 ,3], [4, 5, 6]] 
 display 
 ( 
 array2x3 
 . 
 add 
 ( 
 array2x3 
 )) 
 # [[0, 2, 4], [6, 8, 10]]
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