Page Summary
-
The
toImage()method creates an image of constants from values in a dictionary. -
The order and naming of the image bands can be controlled by the
namesargument. -
If no
namesare specified, the bands are sorted alpha-numerically.
| Usage | Returns |
|---|---|
Dictionary.
toImage
( names
)
|
Image |
| Argument | Type | Details |
|---|---|---|
|
this:
dictionary
|
Dictionary | The dictionary to convert. |
names
|
List, default: null | The order of the output bands. |
Examples
Code Editor (JavaScript)
// A dictionary (e.g. results of ee.Image.reduceRegion of an S2 image). var dict = ee . Dictionary ({ B1 : 182 , B2 : 219 , B3 : 443 }); var selectedKeysImg = dict . toImage ([ 'B1' , 'B2' ]); print ( 'Selected keys image band names' , selectedKeysImg . bandNames ()); var allKeysImg = dict . toImage (); print ( 'All keys image band names' , allKeysImg . bandNames ());
import ee import geemap.core as geemap
Colab (Python)
# A dictionary (e.g. results of ee.Image.reduceRegion of an S2 image). dic = ee . Dictionary ({ 'B1' : 182 , 'B2' : 219 , 'B3' : 443 }) selected_keys_img = dic . toImage ([ 'B1' , 'B2' ]) display ( 'Selected keys image band names:' , selected_keys_img . bandNames ()) all_keys_img = dic . toImage () display ( 'All keys image band names:' , all_keys_img . bandNames ())
