ee.Geometry.Polygon.projection

  • The projection() method returns the projection of a geometry object.

  • The method takes a geometry type as input.

  • Example code is provided for both JavaScript and Python to demonstrate usage and display results.

Returns the projection of the geometry.
Usage Returns
Polygon. projection () Projection
Argument Type Details
this: geometry
Geometry

Examples

Code Editor (JavaScript)

 // Define a Polygon object. 
 var 
  
 polygon 
  
 = 
  
 ee 
 . 
 Geometry 
 . 
 Polygon 
 ( 
  
 [[[ 
 - 
 122.092 
 , 
  
 37.424 
 ], 
  
 [ 
 - 
 122.086 
 , 
  
 37.418 
 ], 
  
 [ 
 - 
 122.079 
 , 
  
 37.425 
 ], 
  
 [ 
 - 
 122.085 
 , 
  
 37.423 
 ]]]); 
 // Apply the projection method to the Polygon object. 
 var 
  
 polygonProjection 
  
 = 
  
 polygon 
 . 
 projection 
 (); 
 // Print the result to the console. 
 print 
 ( 
 'polygon.projection(...) =' 
 , 
  
 polygonProjection 
 ); 
 // Display relevant geometries on the map. 
 Map 
 . 
 setCenter 
 ( 
 - 
 122.085 
 , 
  
 37.422 
 , 
  
 15 
 ); 
 Map 
 . 
 addLayer 
 ( 
 polygon 
 , 
  
 { 
 'color' 
 : 
  
 'black' 
 }, 
  
 'Geometry [black]: polygon' 
 ); 

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)

 # Define a Polygon object. 
 polygon 
 = 
 ee 
 . 
 Geometry 
 . 
 Polygon 
 ([[ 
 [ 
 - 
 122.092 
 , 
 37.424 
 ], 
 [ 
 - 
 122.086 
 , 
 37.418 
 ], 
 [ 
 - 
 122.079 
 , 
 37.425 
 ], 
 [ 
 - 
 122.085 
 , 
 37.423 
 ], 
 ]]) 
 # Apply the projection method to the Polygon object. 
 polygon_projection 
 = 
 polygon 
 . 
 projection 
 () 
 # Print the result. 
 display 
 ( 
 'polygon.projection(...) =' 
 , 
 polygon_projection 
 ) 
 # Display relevant geometries on the map. 
 m 
 = 
 geemap 
 . 
 Map 
 () 
 m 
 . 
 set_center 
 ( 
 - 
 122.085 
 , 
 37.422 
 , 
 15 
 ) 
 m 
 . 
 add_layer 
 ( 
 polygon 
 , 
 { 
 'color' 
 : 
 'black' 
 }, 
 'Geometry [black]: polygon' 
 ) 
 m 
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