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ee.Geometry.LinearRing.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 |
|---|
LinearRing.isUnbounded() | 布林值 |
範例
程式碼編輯器 (JavaScript)
// Define a LinearRing object.
var linearRing = ee.Geometry.LinearRing(
[[-122.091, 37.420],
[-122.085, 37.422],
[-122.080, 37.430]]);
// Apply the isUnbounded method to the LinearRing object.
var linearRingIsUnbounded = linearRing.isUnbounded();
// Print the result to the console.
print('linearRing.isUnbounded(...) =', linearRingIsUnbounded);
// Display relevant geometries on the map.
Map.setCenter(-122.085, 37.422, 15);
Map.addLayer(linearRing,
{'color': 'black'},
'Geometry [black]: linearRing');
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 LinearRing object.
linearring = ee.Geometry.LinearRing(
[[-122.091, 37.420], [-122.085, 37.422], [-122.080, 37.430]]
)
# Apply the isUnbounded method to the LinearRing object.
linearring_is_unbounded = linearring.isUnbounded()
# Print the result.
display('linearring.isUnbounded(...) =', linearring_is_unbounded)
# Display relevant geometries on the map.
m = geemap.Map()
m.set_center(-122.085, 37.422, 15)
m.add_layer(linearring, {'color': 'black'}, 'Geometry [black]: linearring')
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 a Boolean value (true if unbounded, false if bounded).\u003c/p\u003e\n"],["\u003cp\u003eThis method is applicable to Geometry objects, specifically demonstrated with LinearRing in the provided examples.\u003c/p\u003e\n"],["\u003cp\u003eThe usage involves calling \u003ccode\u003eisUnbounded()\u003c/code\u003e on a Geometry object, such as \u003ccode\u003elinearRing.isUnbounded()\u003c/code\u003e, without any arguments.\u003c/p\u003e\n"],["\u003cp\u003eExamples are provided in both JavaScript and Python, showcasing the implementation and visualization on the Earth Engine platform.\u003c/p\u003e\n"]]],["The `isUnbounded()` method determines if a geometry is unbounded, returning a boolean value. This method is used with `LinearRing` objects, where it checks for unboundedness. The provided examples demonstrate its usage in both JavaScript and Python, defining a `LinearRing`, applying `isUnbounded()`, and printing the boolean result. In the example, a bounded `LinearRing` geometry is defined. It is also showed how to display the geometry in the map.\n"],null,["# ee.Geometry.LinearRing.isUnbounded\n\nReturns whether the geometry is unbounded.\n\n\u003cbr /\u003e\n\n| Usage | Returns |\n|----------------------------|---------|\n| LinearRing.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 LinearRing object.\nvar linearRing = ee.Geometry.LinearRing(\n [[-122.091, 37.420],\n [-122.085, 37.422],\n [-122.080, 37.430]]);\n\n// Apply the isUnbounded method to the LinearRing object.\nvar linearRingIsUnbounded = linearRing.isUnbounded();\n\n// Print the result to the console.\nprint('linearRing.isUnbounded(...) =', linearRingIsUnbounded);\n\n// Display relevant geometries on the map.\nMap.setCenter(-122.085, 37.422, 15);\nMap.addLayer(linearRing,\n {'color': 'black'},\n 'Geometry [black]: linearRing');\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 LinearRing object.\nlinearring = ee.Geometry.LinearRing(\n [[-122.091, 37.420], [-122.085, 37.422], [-122.080, 37.430]]\n)\n\n# Apply the isUnbounded method to the LinearRing object.\nlinearring_is_unbounded = linearring.isUnbounded()\n\n# Print the result.\ndisplay('linearring.isUnbounded(...) =', linearring_is_unbounded)\n\n# Display relevant geometries on the map.\nm = geemap.Map()\nm.set_center(-122.085, 37.422, 15)\nm.add_layer(linearring, {'color': 'black'}, 'Geometry [black]: linearring')\nm\n```"]]
