ee.Image.not

 /** 
 * Demonstrates the ee.Image.Not method. 
 * 
 * This example uses positive integers; non-integer and negative 
 * values are allowed. 
 */ 
 var 
  
 notZeros 
  
 = 
  
 ee 
 . 
 Image 
 ( 
 3 
 ); 
  
 // Define an image where all pixels are not zero. 
 var 
  
 zeros 
  
 = 
  
 notZeros 
 . 
 not 
 (); 
  
 // Pixels are not zeros, return zeros. 
 var 
  
 ones 
  
 = 
  
 zeros 
 . 
 not 
 (); 
  
 // Pixels are zeros, return ones. 
 print 
 ( 
 'zeros:' 
 , 
  
 zeros 
 ); 
 print 
 ( 
 'ones:' 
 , 
  
 ones 
 ); 
 // Display images to the map; explore values using the Inspector. 
 var 
  
 visParams 
  
 = 
  
 { 
 min 
 : 
  
 0 
 , 
  
 max 
 : 
  
 1 
 }; 
 Map 
 . 
 addLayer 
 ( 
 notZeros 
 , 
  
 visParams 
 , 
  
 'notZeros' 
 ); 
 Map 
 . 
 addLayer 
 ( 
 zeros 
 , 
  
 visParams 
 , 
  
 'zeros' 
 ); 
 Map 
 . 
 addLayer 
 ( 
 ones 
 , 
  
 visParams 
 , 
  
 'ones' 
 ); 

 """Demonstrates the ee.Image.Not method. 
 This example uses positive integers; non-integer and negative 
 values are allowed. 
 """ 
 import 
  
 pprint 
 import 
  
 ee 
 ee 
 . 
 Authenticate 
 () 
 ee 
 . 
 Initialize 
 () 
 not_zeros 
 = 
 ee 
 . 
 Image 
 ( 
 3 
 ) 
 # Define an image where all pixels are not zero. 
 zeros 
 = 
 not_zeros 
 . 
 Not 
 () 
 # Pixels are not zeros, return zeros. 
 ones 
 = 
 zeros 
 . 
 Not 
 () 
 # Pixels are zeros, return ones. 
 print 
 ( 
 'zeros:' 
 ) 
 pprint 
 . 
 pprint 
 ( 
 zeros 
 . 
 getInfo 
 ()) 
 print 
 ( 
 ' 
 \n 
 ones:' 
 ) 
 pprint 
 . 
 pprint 
 ( 
 ones 
 . 
 getInfo 
 ()) 
 # Sample images at a location and print the results. 
 loc 
 = 
 ee 
 . 
 Geometry 
 . 
 Point 
 ( 
 0 
 , 
 0 
 ) 
 # Location to sample image values. 
 print 
 ( 
 'not_zeros:' 
 , 
 not_zeros 
 . 
 sample 
 ( 
 loc 
 , 
 1 
 ) 
 . 
 first 
 () 
 . 
 get 
 ( 
 'constant' 
 ) 
 . 
 getInfo 
 ()) 
 print 
 ( 
 'zeros:' 
 , 
 zeros 
 . 
 sample 
 ( 
 loc 
 , 
 1 
 ) 
 . 
 first 
 () 
 . 
 get 
 ( 
 'constant' 
 ) 
 . 
 getInfo 
 ()) 
 print 
 ( 
 'ones:' 
 , 
 ones 
 . 
 sample 
 ( 
 loc 
 , 
 1 
 ) 
 . 
 first 
 () 
 . 
 get 
 ( 
 'constant' 
 ) 
 . 
 getInfo 
 ())