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ee.Geometry.Polygon.geometries
透過集合功能整理內容
你可以依據偏好儲存及分類內容。
：傳回 GeometryCollection 中的幾何圖形清單，或是單一幾何圖形的單例清單。
| 用量 | 傳回 |
|---|
Polygon.geometries() | 清單 |
範例
程式碼編輯器 (JavaScript)
// Define a Polygon object.
var polygon = ee.Geometry.Polygon(
[[[-122.092, 37.424],
[-122.086, 37.418],
[-122.079, 37.425],
[-122.085, 37.423]]]);
// Apply the geometries method to the Polygon object.
var polygonGeometries = polygon.geometries();
// Print the result to the console.
print('polygon.geometries(...) =', polygonGeometries);
// Display relevant geometries on the map.
Map.setCenter(-122.085, 37.422, 15);
Map.addLayer(polygon,
{'color': 'black'},
'Geometry [black]: polygon');
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)
# Define a Polygon object.
polygon = ee.Geometry.Polygon([[
[-122.092, 37.424],
[-122.086, 37.418],
[-122.079, 37.425],
[-122.085, 37.423],
]])
# Apply the geometries method to the Polygon object.
polygon_geometries = polygon.geometries()
# Print the result.
display('polygon.geometries(...) =', polygon_geometries)
# Display relevant geometries on the map.
m = geemap.Map()
m.set_center(-122.085, 37.422, 15)
m.add_layer(polygon, {'color': 'black'}, 'Geometry [black]: polygon')
m
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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\u003eReturns a list of geometries contained within a GeometryCollection or a single geometry in a list.\u003c/p\u003e\n"],["\u003cp\u003eWhen applied to single geometries like a Polygon, it returns a list containing that single geometry.\u003c/p\u003e\n"],["\u003cp\u003eUseful for accessing individual components of a complex or multipart geometry.\u003c/p\u003e\n"],["\u003cp\u003eDemonstrated with examples in JavaScript and Python using the Earth Engine API.\u003c/p\u003e\n"]]],["The `geometries()` method, when applied to a geometry object, returns a list. For a `GeometryCollection`, it returns a list of the contained geometries. If the geometry is not a collection, it returns a singleton list containing just that geometry. The examples demonstrate applying `geometries()` to a `Polygon` object, storing the output, printing the result, and displaying the polygon on a map, both in JavaScript and Python.\n"],null,["# ee.Geometry.Polygon.geometries\n\nReturns the list of geometries in a GeometryCollection, or a singleton list of the geometry for single geometries.\n\n\u003cbr /\u003e\n\n| Usage | Returns |\n|------------------------|---------|\n| Polygon.geometries`()` | List |\n\n| Argument | Type | Details |\n|------------------|----------|---------|\n| this: `geometry` | Geometry | |\n\nExamples\n--------\n\n### Code Editor (JavaScript)\n\n```javascript\n// Define a Polygon object.\nvar polygon = ee.Geometry.Polygon(\n [[[-122.092, 37.424],\n [-122.086, 37.418],\n [-122.079, 37.425],\n [-122.085, 37.423]]]);\n\n// Apply the geometries method to the Polygon object.\nvar polygonGeometries = polygon.geometries();\n\n// Print the result to the console.\nprint('polygon.geometries(...) =', polygonGeometries);\n\n// Display relevant geometries on the map.\nMap.setCenter(-122.085, 37.422, 15);\nMap.addLayer(polygon,\n {'color': 'black'},\n 'Geometry [black]: polygon');\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# Define a Polygon object.\npolygon = ee.Geometry.Polygon([[\n [-122.092, 37.424],\n [-122.086, 37.418],\n [-122.079, 37.425],\n [-122.085, 37.423],\n]])\n\n# Apply the geometries method to the Polygon object.\npolygon_geometries = polygon.geometries()\n\n# Print the result.\ndisplay('polygon.geometries(...) =', polygon_geometries)\n\n# Display relevant geometries on the map.\nm = geemap.Map()\nm.set_center(-122.085, 37.422, 15)\nm.add_layer(polygon, {'color': 'black'}, 'Geometry [black]: polygon')\nm\n```"]]
