公告:凡是在
2025 年 4 月 15 日前註冊使用 Earth Engine 的非商業專案,都必須
驗證非商業用途資格,才能繼續存取。如未在 2025 年 9 月 26 日前完成驗證,存取權可能會暫停。
ee.Geometry.MultiPolygon.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 |
---|
MultiPolygon.isUnbounded() | 布林值 |
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 isUnbounded method to the MultiPolygon object.
var multiPolygonIsUnbounded = multiPolygon.isUnbounded();
// Print the result to the console.
print('multiPolygon.isUnbounded(...) =', multiPolygonIsUnbounded);
// 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 isUnbounded method to the MultiPolygon object.
multipolygon_is_unbounded = multipolygon.isUnbounded()
# Print the result.
display('multipolygon.isUnbounded(...) =', multipolygon_is_unbounded)
# 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)。
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