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ee.Number.firstNonZero

AI-generated Key Takeaways

The firstNonZero method selects the first value if it is non-zero and the second value otherwise.
This method takes two Number inputs, a left-hand value ( this ) and a right-hand value ( right ).
The output of firstNonZero is a single Number.

Selects the first value if it is non-zero, and the second value otherwise.

Usage	Returns
`Number. firstNonZero (right)`	Number

Argument	Type	Details
this: `left`	Number	The left-hand value.
`right`	Number	The right-hand value.

Examples

Code Editor (JavaScript)

 print 
 ( 
 'First non-zero: 0, 5' 
 , 
  
 ee 
 . 
 Number 
 ( 
 0 
 ). 
 firstNonZero 
 ( 
 ee 
 . 
 Number 
 ( 
 5 
 ))); 
  
 // 5 
 print 
 ( 
 'First non-zero: 5, 0' 
 , 
  
 ee 
 . 
 Number 
 ( 
 5 
 ). 
 firstNonZero 
 ( 
 ee 
 . 
 Number 
 ( 
 0 
 ))); 
  
 // 5

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)

 display 
 ( 
 'First non-zero in [0, 5]:' 
 , 
 ee 
 . 
 Number 
 ( 
 0 
 ) 
 . 
 firstNonZero 
 ( 
 ee 
 . 
 Number 
 ( 
 5 
 ))) 
 # 5 
 display 
 ( 
 'First non-zero in [5, 0]:' 
 , 
 ee 
 . 
 Number 
 ( 
 5 
 ) 
 . 
 firstNonZero 
 ( 
 ee 
 . 
 Number 
 ( 
 0 
 ))) 
 # 5

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AI-generated Key Takeaways

Examples

Code Editor (JavaScript)

Colab (Python)

ee.Number.firstNonZero