ee.Image.changeProj

 // A DEM image object. 
 var 
  
 img 
  
 = 
  
 ee 
 . 
 Image 
 ( 
 'MERIT/DEM/v1_0_3' 
 ); 
 // Construct a projection object from a WKT string or EPSG code, for example, 
 // the Robinson projection (https://epsg.io/54030). 
 var 
  
 proj 
  
 = 
  
 ee 
 . 
 Projection 
 ( 
  
 'PROJCS["World_Robinson",' 
  
 + 
  
 'GEOGCS["GCS_WGS_1984",' 
  
 + 
  
 'DATUM["WGS_1984",' 
  
 + 
  
 'SPHEROID["WGS_1984",6378137,298.257223563]],' 
  
 + 
  
 'PRIMEM["Greenwich",0],' 
  
 + 
  
 'UNIT["Degree",0.017453292519943295]],' 
  
 + 
  
 'PROJECTION["Robinson"],' 
  
 + 
  
 'UNIT["Meter",1]]' 
 ) 
 // Optionally adjust projection scale; stretch layer larger in this case. 
 . 
 scale 
 ( 
 0.9 
 , 
  
 0.9 
 ); 
 // "Paint" the image in the desired projection onto the projection of 
 // the map canvas ('EPSG:3857'). 
 var 
  
 imgProj 
  
 = 
  
 img 
 . 
 changeProj 
 ( 
 proj 
 , 
  
 'EPSG:3857' 
 ); 
 // Add an overlay image to the map to cover the default base layers. 
 Map 
 . 
 setCenter 
 ( 
 0 
 , 
  
 0 
 , 
  
 2 
 ); 
 Map 
 . 
 addLayer 
 ( 
 ee 
 . 
 Image 
 ( 
 1 
 ), 
  
 { 
 palette 
 : 
  
 'grey' 
 }, 
  
 'Grey background' 
 , 
  
 false 
 ); 
 // Add the projection-tweaked image to the map. 
 Map 
 . 
 addLayer 
 ( 
 imgProj 
 , 
  
 { 
 min 
 : 
  
 0 
 , 
  
 max 
 : 
  
 3000 
 }, 
  
 'DEM in Robinson projection' 
 ); 

 # A DEM image object. 
 img 
 = 
 ee 
 . 
 Image 
 ( 
 'MERIT/DEM/v1_0_3' 
 ) 
 # Construct a projection object from a WKT string or EPSG code, for example, 
 # the Robinson projection (https://epsg.io/54030). 
 proj 
 = 
 ( 
 ee 
 . 
 Projection 
 ( 
 'PROJCS["World_Robinson",' 
 + 
 'GEOGCS["GCS_WGS_1984",' 
 + 
 'DATUM["WGS_1984",' 
 + 
 'SPHEROID["WGS_1984",6378137,298.257223563]],' 
 + 
 'PRIMEM["Greenwich",0],' 
 + 
 'UNIT["Degree",0.017453292519943295]],' 
 + 
 'PROJECTION["Robinson"],' 
 + 
 'UNIT["Meter",1]]' 
 ) 
 # Optionally adjust projection scale stretch layer larger in this case. 
 . 
 scale 
 ( 
 0.9 
 , 
 0.9 
 ) 
 ) 
 # "Paint" the image in the desired projection onto the projection of 
 # the map canvas ('EPSG:3857'). 
 img_proj 
 = 
 img 
 . 
 changeProj 
 ( 
 proj 
 , 
 'EPSG:3857' 
 ) 
 # Add an overlay image to the map to cover the default base layers. 
 m 
 = 
 geemap 
 . 
 Map 
 () 
 m 
 . 
 set_center 
 ( 
 0 
 , 
 0 
 , 
 2 
 ) 
 m 
 . 
 add_layer 
 ( 
 ee 
 . 
 Image 
 ( 
 1 
 ), 
 { 
 'palette' 
 : 
 'grey' 
 }, 
 'Grey background' 
 , 
 False 
 ) 
 # Add the projection-tweaked image to the map. 
 m 
 . 
 add_layer 
 ( 
 img_proj 
 , 
 { 
 'min' 
 : 
 0 
 , 
 'max' 
 : 
 3000 
 }, 
 'DEM in Robinson projection' 
 , 
 ) 
 m