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2025 年 4 月 15 日前註冊使用 Earth Engine 的非商業專案,都必須
驗證非商業用途資格,才能繼續存取 Earth Engine。
ee.Dictionary.getArray
透過集合功能整理內容
你可以依據偏好儲存及分類內容。
從字典中擷取具名陣列值。
用量 | 傳回 |
---|
Dictionary.getArray(key) | 陣列 |
引數 | 類型 | 詳細資料 |
---|
這個:dictionary | 字典 | |
key | 字串 | |
範例
程式碼編輯器 (JavaScript)
// A dictionary (e.g. results of ee.Image.reduceRegion of an S2 image).
var dict = ee.Dictionary({
B1: 182,
B2: 219,
B3: 443,
Array: ee.Array([182, 219, 443])
});
print('The "Array" value as an ee.Array object', dict.getArray('Array'));
Python 設定
請參閱
Python 環境頁面,瞭解 Python API 和如何使用 geemap
進行互動式開發。
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,
'Array': ee.Array([182, 219, 443])
})
print('The "Array" value as an ee.Array object:',
dic.getArray('Array').getInfo())
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上次更新時間:2025-07-26 (世界標準時間)。
[null,null,["上次更新時間:2025-07-26 (世界標準時間)。"],[[["\u003cp\u003e\u003ccode\u003edictionary.getArray()\u003c/code\u003e extracts a named array value from a given dictionary.\u003c/p\u003e\n"],["\u003cp\u003eThe function takes the dictionary and the key of the desired array as input.\u003c/p\u003e\n"],["\u003cp\u003eIt returns the value associated with the specified key as an \u003ccode\u003eee.Array\u003c/code\u003e object.\u003c/p\u003e\n"],["\u003cp\u003eExamples demonstrate usage in both JavaScript and Python within the Earth Engine environment.\u003c/p\u003e\n"]]],["The `getArray(key)` method retrieves a named array from a dictionary. It takes a string `key` as an argument, which specifies the name of the array to extract. The method operates on a `dictionary` and returns the corresponding `Array` value. Examples demonstrate extracting the \"Array\" value from a sample dictionary in both JavaScript and Python, showcasing its usage.\n"],null,["# ee.Dictionary.getArray\n\nExtracts a named array value from a dictionary.\n\n\u003cbr /\u003e\n\n| Usage | Returns |\n|----------------------------|---------|\n| Dictionary.getArray`(key)` | Array |\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 Array: ee.Array([182, 219, 443])\n});\n\nprint('The \"Array\" value as an ee.Array object', dict.getArray('Array'));\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 'Array': ee.Array([182, 219, 443])\n})\n\nprint('The \"Array\" value as an ee.Array object:',\n dic.getArray('Array').getInfo())\n```"]]