ee.Dictionary.toArray

  • The toArray method of a dictionary returns numeric values as an array.

  • If no keys are specified, all values are returned in the natural ordering of the dictionary's keys.

  • The default 'axis' for the toArray method is 0.

 Returns numeric values of a dictionary as an array. If no keys are specified, all values are returned in the natural ordering of the dictionary's keys. The default 'axis' is 0.

UsageReturns
Dictionary.toArray(keys, axis)Array
ArgumentTypeDetails
this: dictionaryDictionary
keysList, default: null
axisInteger, default: 0

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
});

print('Values for selected keys converted to ee.Array',
      dict.toArray(['B1', 'B2']));
print('Values for all keys converted to ee.Array',
      dict.toArray());

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)

# A dictionary (e.g. results of ee.Image.reduceRegion of an S2 image).
dic = ee.Dictionary({
    'B1': 182,
    'B2': 219,
    'B3': 443
})

display('Values for selected keys converted to ee.Array:',
        dic.toArray(['B1', 'B2']))
display('Values for all keys converted to ee.Array:',
        dic.toArray())