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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.Geometry.Polygon.serialize
透過集合功能整理內容
你可以依據偏好儲存及分類內容。
傳回這個物件的序列化表示法。
用量 | 傳回 |
---|
Polygon.serialize(legacy) | 字串 |
引數 | 類型 | 詳細資料 |
---|
這個:geometry | 幾何圖形 | Geometry 執行個體。 |
legacy | 布林值 (選填) | 啟用舊版格式。 |
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 serialize method to the Polygon object.
var polygonSerialize = polygon.serialize();
// Print the result to the console.
print('polygon.serialize(...) =', polygonSerialize);
// 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 serialize method to the Polygon object.
polygon_serialize = polygon.serialize()
# Print the result.
display('polygon.serialize(...) =', polygon_serialize)
# 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\u003eThe \u003ccode\u003eserialize()\u003c/code\u003e method returns a serialized (string) representation of a given Earth Engine Geometry object, such as a Polygon.\u003c/p\u003e\n"],["\u003cp\u003eThis method can be used to convert a Geometry object into a format suitable for storage or transmission.\u003c/p\u003e\n"],["\u003cp\u003eAn optional \u003ccode\u003elegacy\u003c/code\u003e argument can be provided to enable legacy formatting if needed.\u003c/p\u003e\n"],["\u003cp\u003eExamples in JavaScript and Python demonstrate using \u003ccode\u003eserialize()\u003c/code\u003e with a Polygon Geometry.\u003c/p\u003e\n"]]],["The `serialize` method returns a string representation of a Geometry object, specifically a Polygon in this case. It accepts an optional boolean argument, `legacy`, to enable a legacy format. The examples demonstrate creating a Polygon object and then serializing it using `polygon.serialize()`. The result is then printed, and the polygon is displayed on a map using both JavaScript and Python environments. The method serializes the polygon into a string.\n"],null,["# ee.Geometry.Polygon.serialize\n\n\u003cbr /\u003e\n\nReturns the serialized representation of this object.\n\n\u003cbr /\u003e\n\n| Usage | Returns |\n|---------------------------------|---------|\n| Polygon.serialize`(`*legacy*`)` | String |\n\n| Argument | Type | Details |\n|------------------|-------------------|------------------------|\n| this: `geometry` | Geometry | The Geometry instance. |\n| `legacy` | Boolean, optional | Enables legacy format. |\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 serialize method to the Polygon object.\nvar polygonSerialize = polygon.serialize();\n\n// Print the result to the console.\nprint('polygon.serialize(...) =', polygonSerialize);\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 serialize method to the Polygon object.\npolygon_serialize = polygon.serialize()\n\n# Print the result.\ndisplay('polygon.serialize(...) =', polygon_serialize)\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```"]]