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ee.Dictionary.getNumber
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Extracts a named number value from a dictionary.
| Usage | Returns | Dictionary.getNumber(key) | Number |
| Argument | Type | Details | this: dictionary | Dictionary | |
key | String | |
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('The "B1" value as an ee.Number object', dict.getNumber('B1'));
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
})
print('The "B1" value as an ee.Number object:', dic.getNumber('B1').getInfo())
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Last updated 2023-10-06 UTC.
[null,null,["Last updated 2023-10-06 UTC."],[[["\u003cp\u003eThe \u003ccode\u003eDictionary.getNumber()\u003c/code\u003e method extracts a numerical value associated with a specific key from a dictionary object within the Earth Engine environment.\u003c/p\u003e\n"],["\u003cp\u003eIt accepts a dictionary and a key (string) as input and returns the corresponding value as an ee.Number object if found.\u003c/p\u003e\n"],["\u003cp\u003eExamples are provided in JavaScript and Python demonstrating how to use the \u003ccode\u003eDictionary.getNumber()\u003c/code\u003e method to retrieve numerical values from dictionaries, particularly in the context of Earth Engine image analysis.\u003c/p\u003e\n"]]],[],null,["# ee.Dictionary.getNumber\n\nExtracts a named number value from a dictionary.\n\n\u003cbr /\u003e\n\n| Usage | Returns |\n|-----------------------------|---------|\n| Dictionary.getNumber`(key)` | Number |\n\n| Argument | Type | Details |\n|--------------------|------------|---------|\n| this: `dictionary` | Dictionary | |\n| `key` | String | |\n\nExamples\n--------\n\n### Code Editor (JavaScript)\n\n```javascript\n// A dictionary (e.g. results of ee.Image.reduceRegion of an S2 image).\nvar dict = ee.Dictionary({\n B1: 182,\n B2: 219,\n B3: 443\n});\n\nprint('The \"B1\" value as an ee.Number object', dict.getNumber('B1'));\n```\nPython setup\n\nSee the [Python Environment](/earth-engine/guides/python_install) page for information on the Python API and using\n`geemap` for interactive development. \n\n```python\nimport ee\nimport geemap.core as geemap\n```\n\n### Colab (Python)\n\n```python\n# A dictionary (e.g. results of ee.Image.reduceRegion of an S2 image).\ndic = ee.Dictionary({\n 'B1': 182,\n 'B2': 219,\n 'B3': 443\n})\n\nprint('The \"B1\" value as an ee.Number object:', dic.getNumber('B1').getInfo())\n```"]]