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ee.Number.signum

Page Summary

The signum function returns 0 if the input is 0, 1 if it's greater than 0, and -1 if it's less than 0.
The Number.signum() usage returns a Number.
The input value for the signum function must be a Number.

Computes the signum function (sign) of the input; 0 if the input is 0, 1 if the input is greater than 0, -1 if the input is less than 0.

Usage	Returns
`Number. signum ()`	Number

Argument	Type	Details
this: `input`	Number	The input value.

Examples

Code Editor (JavaScript)

 print 
 ( 
 'Sign of -5' 
 , 
  
 ee 
 . 
 Number 
 ( 
 - 
 5 
 ). 
 signum 
 ()); 
  
 // -1 
 print 
 ( 
 'Sign of 0' 
 , 
  
 ee 
 . 
 Number 
 ( 
 0 
 ). 
 signum 
 ()); 
  
 // 0 
 print 
 ( 
 'Sign of 5' 
 , 
  
 ee 
 . 
 Number 
 ( 
 5 
 ). 
 signum 
 ()); 
  
 // 1

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 
 ( 
 'Sign of -5:' 
 , 
 ee 
 . 
 Number 
 ( 
 - 
 5 
 ) 
 . 
 signum 
 ()) 
 # -1 
 display 
 ( 
 'Sign of 0:' 
 , 
 ee 
 . 
 Number 
 ( 
 0 
 ) 
 . 
 signum 
 ()) 
 # 0 
 display 
 ( 
 'Sign of 5:' 
 , 
 ee 
 . 
 Number 
 ( 
 5 
 ) 
 . 
 signum 
 ()) 
 # 1

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Page Summary

Examples

Code Editor (JavaScript)

Colab (Python)

ee.Number.signum