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ee.Geometry.MultiPolygon.toGeoJSON
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。
返回几何图形的 GeoJSON 表示形式。
| 用法 | 返回 |
|---|
MultiPolygon.toGeoJSON() | GeoJSONGeometry |
| 参数 | 类型 | 详细信息 |
|---|
此：geometry | 几何图形 | Geometry 实例。 |
示例
代码编辑器 (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 toGeoJSON method to the MultiPolygon object.
var multiPolygonToGeoJSON = multiPolygon.toGeoJSON();
// Print the result to the console.
print('multiPolygon.toGeoJSON(...) =', multiPolygonToGeoJSON);
// Display relevant geometries on the map.
Map.setCenter(-122.085, 37.422, 15);
Map.addLayer(multiPolygon,
{'color': 'black'},
'Geometry [black]: multiPolygon');
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)
# 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 toGeoJSON method to the MultiPolygon object.
multipolygon_to_geojson = multipolygon.toGeoJSON()
# Print the result.
display('multipolygon.toGeoJSON(...) =', multipolygon_to_geojson)
# 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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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\u003etoGeoJSON()\u003c/code\u003e returns a GeoJSON representation of a given MultiPolygon geometry.\u003c/p\u003e\n"],["\u003cp\u003eThis method is applicable to Geometry objects and specifically illustrated with MultiPolygon in the provided examples.\u003c/p\u003e\n"],["\u003cp\u003eUsage involves calling \u003ccode\u003etoGeoJSON()\u003c/code\u003e on a MultiPolygon instance, resulting in a GeoJSONGeometry object.\u003c/p\u003e\n"],["\u003cp\u003eCode examples are provided in JavaScript, Python using \u003ccode\u003egeemap\u003c/code\u003e, and within Google Colab environment for practical demonstration.\u003c/p\u003e\n"]]],["The `toGeoJSON()` method converts a `MultiPolygon` geometry object into its GeoJSON representation. The method is applied to a `Geometry` instance, specifically `MultiPolygon`, and returns a `GeoJSONGeometry` object. In the examples, a `MultiPolygon` is defined with specific coordinates, then `toGeoJSON()` transforms it, and the output is printed. The geometries are displayed on a map to visually verify the result.\n"],null,["# ee.Geometry.MultiPolygon.toGeoJSON\n\n\u003cbr /\u003e\n\nReturns a GeoJSON representation of the geometry.\n\n\u003cbr /\u003e\n\n| Usage | Returns |\n|----------------------------|-----------------|\n| MultiPolygon.toGeoJSON`()` | GeoJSONGeometry |\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 toGeoJSON method to the MultiPolygon object.\nvar multiPolygonToGeoJSON = multiPolygon.toGeoJSON();\n\n// Print the result to the console.\nprint('multiPolygon.toGeoJSON(...) =', multiPolygonToGeoJSON);\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 toGeoJSON method to the MultiPolygon object.\nmultipolygon_to_geojson = multipolygon.toGeoJSON()\n\n# Print the result.\ndisplay('multipolygon.toGeoJSON(...) =', multipolygon_to_geojson)\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```"]]
