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ee.Geometry.MultiPolygon.toGeoJSONString
透過集合功能整理內容
你可以依據偏好儲存及分類內容。
傳回幾何的 GeoJSON 字串表示法。
| 用量 | 傳回 |
|---|
MultiPolygon.toGeoJSONString() | 字串 |
| 引數 | 類型 | 詳細資料 |
|---|
這個：geometry | 幾何圖形 | Geometry 執行個體。 |
範例
程式碼編輯器 (JavaScript)
// Define a MultiPolygon object.
var multiPolygon = ee.Geometry.MultiPolygon(
[[[[-122.092, 37.424],
[-122.086, 37.418],
[-122.079, 37.425],
[-122.085, 37.423]]],
[[[-122.081, 37.417],
[-122.086, 37.421],
[-122.089, 37.416]]]]);
// Apply the toGeoJSONString method to the MultiPolygon object.
var multiPolygonToGeoJSONString = multiPolygon.toGeoJSONString();
// Print the result to the console.
print('multiPolygon.toGeoJSONString(...) =', multiPolygonToGeoJSONString);
// Display relevant geometries on the map.
Map.setCenter(-122.085, 37.422, 15);
Map.addLayer(multiPolygon,
{'color': 'black'},
'Geometry [black]: multiPolygon');
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 MultiPolygon object.
multipolygon = ee.Geometry.MultiPolygon([
[[
[-122.092, 37.424],
[-122.086, 37.418],
[-122.079, 37.425],
[-122.085, 37.423],
]],
[[[-122.081, 37.417], [-122.086, 37.421], [-122.089, 37.416]]],
])
# Apply the toGeoJSONString method to the MultiPolygon object.
multipolygon_to_geojson_string = multipolygon.toGeoJSONString()
# Print the result.
display('multipolygon.toGeoJSONString(...) =', multipolygon_to_geojson_string)
# Display relevant geometries on the map.
m = geemap.Map()
m.set_center(-122.085, 37.422, 15)
m.add_layer(
multipolygon, {'color': 'black'}, 'Geometry [black]: multipolygon'
)
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\u003e\u003ccode\u003etoGeoJSONString()\u003c/code\u003e returns a GeoJSON string representation of a MultiPolygon geometry in Earth Engine.\u003c/p\u003e\n"],["\u003cp\u003eThis function takes a Geometry instance as input and outputs a string containing the GeoJSON representation.\u003c/p\u003e\n"],["\u003cp\u003eCode examples are provided in JavaScript, Python, and Colab demonstrating the usage of \u003ccode\u003etoGeoJSONString()\u003c/code\u003e with MultiPolygon geometries.\u003c/p\u003e\n"]]],["The `toGeoJSONString()` method converts a `MultiPolygon` geometry instance into its GeoJSON string representation. It takes a `Geometry` object as input and returns a string. Examples demonstrate defining a `MultiPolygon` object and using `toGeoJSONString()` to get the GeoJSON string. In both JavaScript and Python, the code then displays the geometry on a map and prints the resultant string.\n"],null,["# ee.Geometry.MultiPolygon.toGeoJSONString\n\n\u003cbr /\u003e\n\nReturns a GeoJSON string representation of the geometry.\n\n\u003cbr /\u003e\n\n| Usage | Returns |\n|----------------------------------|---------|\n| MultiPolygon.toGeoJSONString`()` | String |\n\n| Argument | Type | Details |\n|------------------|----------|------------------------|\n| this: `geometry` | Geometry | The Geometry instance. |\n\nExamples\n--------\n\n### Code Editor (JavaScript)\n\n```javascript\n// Define a MultiPolygon object.\nvar multiPolygon = ee.Geometry.MultiPolygon(\n [[[[-122.092, 37.424],\n [-122.086, 37.418],\n [-122.079, 37.425],\n [-122.085, 37.423]]],\n [[[-122.081, 37.417],\n [-122.086, 37.421],\n [-122.089, 37.416]]]]);\n\n// Apply the toGeoJSONString method to the MultiPolygon object.\nvar multiPolygonToGeoJSONString = multiPolygon.toGeoJSONString();\n\n// Print the result to the console.\nprint('multiPolygon.toGeoJSONString(...) =', multiPolygonToGeoJSONString);\n\n// Display relevant geometries on the map.\nMap.setCenter(-122.085, 37.422, 15);\nMap.addLayer(multiPolygon,\n {'color': 'black'},\n 'Geometry [black]: multiPolygon');\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 MultiPolygon object.\nmultipolygon = ee.Geometry.MultiPolygon([\n [[\n [-122.092, 37.424],\n [-122.086, 37.418],\n [-122.079, 37.425],\n [-122.085, 37.423],\n ]],\n [[[-122.081, 37.417], [-122.086, 37.421], [-122.089, 37.416]]],\n])\n\n# Apply the toGeoJSONString method to the MultiPolygon object.\nmultipolygon_to_geojson_string = multipolygon.toGeoJSONString()\n\n# Print the result.\ndisplay('multipolygon.toGeoJSONString(...) =', multipolygon_to_geojson_string)\n\n# Display relevant geometries on the map.\nm = geemap.Map()\nm.set_center(-122.085, 37.422, 15)\nm.add_layer(\n multipolygon, {'color': 'black'}, 'Geometry [black]: multipolygon'\n)\nm\n```"]]
