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ee.Geometry.isUnbounded
透過集合功能整理內容
你可以依據偏好儲存及分類內容。
傳回幾何是否無界。
| 用量 | 傳回 |
|---|
Geometry.isUnbounded() | 布林值 |
範例
程式碼編輯器 (JavaScript)
// Define a Geometry object.
var geometry = ee.Geometry({
'type': 'Polygon',
'coordinates':
[[[-122.081, 37.417],
[-122.086, 37.421],
[-122.084, 37.418],
[-122.089, 37.416]]]
});
// Apply the isUnbounded method to the Geometry object.
var geometryIsUnbounded = geometry.isUnbounded();
// Print the result to the console.
print('geometry.isUnbounded(...) =', geometryIsUnbounded);
// Display relevant geometries on the map.
Map.setCenter(-122.085, 37.422, 15);
Map.addLayer(geometry,
{'color': 'black'},
'Geometry [black]: geometry');
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 Geometry object.
geometry = ee.Geometry({
'type': 'Polygon',
'coordinates': [[
[-122.081, 37.417],
[-122.086, 37.421],
[-122.084, 37.418],
[-122.089, 37.416],
]],
})
# Apply the isUnbounded method to the Geometry object.
geometry_is_unbounded = geometry.isUnbounded()
# Print the result.
display('geometry.isUnbounded(...) =', geometry_is_unbounded)
# Display relevant geometries on the map.
m = geemap.Map()
m.set_center(-122.085, 37.422, 15)
m.add_layer(geometry, {'color': 'black'}, 'Geometry [black]: geometry')
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\u003eisUnbounded()\u003c/code\u003e method determines if a given geometry is unbounded, returning true if it is and false otherwise.\u003c/p\u003e\n"],["\u003cp\u003eIt is applied to a Geometry object and returns a Boolean value.\u003c/p\u003e\n"],["\u003cp\u003eThis method is useful for understanding the spatial extent of a geometry and can be used in various geospatial analyses.\u003c/p\u003e\n"]]],["The `Geometry.isUnbounded()` method determines if a geometry is unbounded, returning a Boolean value. It takes a `geometry` object as an argument. The examples demonstrate defining a polygon geometry and applying `isUnbounded()`. The result, indicating whether the geometry is unbounded, is then printed. A map visualizes the defined geometry in the provided examples. Both JavaScript and Python code samples are given.\n"],null,["# ee.Geometry.isUnbounded\n\nReturns whether the geometry is unbounded.\n\n\u003cbr /\u003e\n\n| Usage | Returns |\n|--------------------------|---------|\n| Geometry.isUnbounded`()` | Boolean |\n\n| Argument | Type | Details |\n|------------------|----------|---------|\n| this: `geometry` | Geometry | |\n\nExamples\n--------\n\n### Code Editor (JavaScript)\n\n```javascript\n// Define a Geometry object.\nvar geometry = ee.Geometry({\n 'type': 'Polygon',\n 'coordinates':\n [[[-122.081, 37.417],\n [-122.086, 37.421],\n [-122.084, 37.418],\n [-122.089, 37.416]]]\n});\n\n// Apply the isUnbounded method to the Geometry object.\nvar geometryIsUnbounded = geometry.isUnbounded();\n\n// Print the result to the console.\nprint('geometry.isUnbounded(...) =', geometryIsUnbounded);\n\n// Display relevant geometries on the map.\nMap.setCenter(-122.085, 37.422, 15);\nMap.addLayer(geometry,\n {'color': 'black'},\n 'Geometry [black]: geometry');\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 Geometry object.\ngeometry = ee.Geometry({\n 'type': 'Polygon',\n 'coordinates': [[\n [-122.081, 37.417],\n [-122.086, 37.421],\n [-122.084, 37.418],\n [-122.089, 37.416],\n ]],\n})\n\n# Apply the isUnbounded method to the Geometry object.\ngeometry_is_unbounded = geometry.isUnbounded()\n\n# Print the result.\ndisplay('geometry.isUnbounded(...) =', geometry_is_unbounded)\n\n# Display relevant geometries on the map.\nm = geemap.Map()\nm.set_center(-122.085, 37.422, 15)\nm.add_layer(geometry, {'color': 'black'}, 'Geometry [black]: geometry')\nm\n```"]]
