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ee.Geometry.MultiLineString.geometries
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 GeometryCollection 中的几何图形列表，或单个几何图形的单例列表。
| 用法 | 返回 |
|---|
MultiLineString.geometries() | 列表 |
示例
代码编辑器 (JavaScript)
// Define a MultiLineString object.
var multiLineString = ee.Geometry.MultiLineString(
[[[-122.088, 37.418], [-122.086, 37.422], [-122.082, 37.418]],
[[-122.087, 37.416], [-122.083, 37.416], [-122.082, 37.419]]]);
// Apply the geometries method to the MultiLineString object.
var multiLineStringGeometries = multiLineString.geometries();
// Print the result to the console.
print('multiLineString.geometries(...) =', multiLineStringGeometries);
// Display relevant geometries on the map.
Map.setCenter(-122.085, 37.422, 15);
Map.addLayer(multiLineString,
{'color': 'black'},
'Geometry [black]: multiLineString');
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 MultiLineString object.
multilinestring = ee.Geometry.MultiLineString([
[[-122.088, 37.418], [-122.086, 37.422], [-122.082, 37.418]],
[[-122.087, 37.416], [-122.083, 37.416], [-122.082, 37.419]],
])
# Apply the geometries method to the MultiLineString object.
multilinestring_geometries = multilinestring.geometries()
# Print the result.
display('multilinestring.geometries(...) =', multilinestring_geometries)
# Display relevant geometries on the map.
m = geemap.Map()
m.set_center(-122.085, 37.422, 15)
m.add_layer(
multilinestring, {'color': 'black'}, 'Geometry [black]: multilinestring'
)
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\u003eThe \u003ccode\u003egeometries()\u003c/code\u003e method returns a list of individual geometries contained within a GeometryCollection or a single geometry if applied to a single geometry.\u003c/p\u003e\n"],["\u003cp\u003eWhen applied to a MultiLineString, \u003ccode\u003egeometries()\u003c/code\u003e returns a list of the LineStrings that compose it.\u003c/p\u003e\n"],["\u003cp\u003eThis method is useful for accessing and manipulating the individual components of complex geometries.\u003c/p\u003e\n"],["\u003cp\u003eThe returned geometries can be further processed or visualized using other Earth Engine functions.\u003c/p\u003e\n"]]],["The `geometries()` method extracts and returns a list of geometries from a `GeometryCollection` or a single geometry within a list. For example, applied to a `MultiLineString`, it yields a list of its constituent line geometries. The method accepts a `geometry` as an argument. Both JavaScript and Python examples demonstrate creating a `MultiLineString`, applying `geometries()`, printing the result, and visualizing the geometry on a map.\n"],null,["# ee.Geometry.MultiLineString.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| MultiLineString.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 MultiLineString object.\nvar multiLineString = ee.Geometry.MultiLineString(\n [[[-122.088, 37.418], [-122.086, 37.422], [-122.082, 37.418]],\n [[-122.087, 37.416], [-122.083, 37.416], [-122.082, 37.419]]]);\n\n// Apply the geometries method to the MultiLineString object.\nvar multiLineStringGeometries = multiLineString.geometries();\n\n// Print the result to the console.\nprint('multiLineString.geometries(...) =', multiLineStringGeometries);\n\n// Display relevant geometries on the map.\nMap.setCenter(-122.085, 37.422, 15);\nMap.addLayer(multiLineString,\n {'color': 'black'},\n 'Geometry [black]: multiLineString');\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 MultiLineString object.\nmultilinestring = ee.Geometry.MultiLineString([\n [[-122.088, 37.418], [-122.086, 37.422], [-122.082, 37.418]],\n [[-122.087, 37.416], [-122.083, 37.416], [-122.082, 37.419]],\n])\n\n# Apply the geometries method to the MultiLineString object.\nmultilinestring_geometries = multilinestring.geometries()\n\n# Print the result.\ndisplay('multilinestring.geometries(...) =', multilinestring_geometries)\n\n# Display relevant geometries on the map.\nm = geemap.Map()\nm.set_center(-122.085, 37.422, 15)\nm.add_layer(\n multilinestring, {'color': 'black'}, 'Geometry [black]: multilinestring'\n)\nm\n```"]]
