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ee.Dictionary.getGeometry
使用集合让一切井井有条
根据您的偏好保存内容并对其进行分类。
从字典中提取具名几何图形值。
| 用法 | 返回 |
|---|
Dictionary.getGeometry(key) | 几何图形 |
| 参数 | 类型 | 详细信息 |
|---|
此：dictionary | 字典 | |
key | 字符串 | |
示例
代码编辑器 (JavaScript)
// A dictionary (e.g. results of ee.Image.reduceRegion of an S2 image).
var dict = ee.Dictionary({
B1: 182,
B2: 219,
B3: 443,
Geometry: ee.Geometry.Point([-122.01, 36.97])
});
print('The "Geometry" value as an ee.Geometry object',
dict.getGeometry('Geometry'));
Python 设置
如需了解 Python API 和如何使用 geemap 进行交互式开发，请参阅
Python 环境页面。
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,
'Geometry': ee.Geometry.Point([-122.01, 36.97])
})
print('The "Geometry" value as an ee.Geometry object',
dic.getGeometry('Geometry').getInfo(), sep='\n')
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最后更新时间 (UTC)：2025-07-26。
[null,null,["最后更新时间 (UTC)：2025-07-26。"],[[["\u003cp\u003e\u003ccode\u003eDictionary.getGeometry()\u003c/code\u003e extracts a named geometry value (as an ee.Geometry object) from an input dictionary using a specified key.\u003c/p\u003e\n"],["\u003cp\u003eThe method requires a dictionary object and a string key as input.\u003c/p\u003e\n"],["\u003cp\u003eExamples in JavaScript, Python, and Colab demonstrate how to use \u003ccode\u003eDictionary.getGeometry()\u003c/code\u003e to retrieve geometry information from dictionaries.\u003c/p\u003e\n"]]],["The `getGeometry(key)` method retrieves a geometry object from a dictionary using a specified key. The method requires a dictionary and a string key as input. It returns a `Geometry` object, if the key `\"Geometry\"` exist, otherwise it may return `null`. Examples demonstrate retrieving the geometry using both JavaScript and Python, showcasing how to extract the geometry value associated with the `\"Geometry\"` key from a dictionary.\n"],null,["# ee.Dictionary.getGeometry\n\nExtracts a named geometry value from a dictionary.\n\n\u003cbr /\u003e\n\n| Usage | Returns |\n|-------------------------------|----------|\n| Dictionary.getGeometry`(key)` | Geometry |\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 Geometry: ee.Geometry.Point([-122.01, 36.97])\n});\n\nprint('The \"Geometry\" value as an ee.Geometry object',\n dict.getGeometry('Geometry'));\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 'Geometry': ee.Geometry.Point([-122.01, 36.97])\n})\n\nprint('The \"Geometry\" value as an ee.Geometry object',\n dic.getGeometry('Geometry').getInfo(), sep='\\n')\n```"]]
