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驗證非商業用途資格,才能繼續存取 Earth Engine。
ee.Geometry.Rectangle.projection
透過集合功能整理內容
你可以依據偏好儲存及分類內容。
傳回幾何的投影。
用量 | 傳回 |
---|
Rectangle.projection() | 預測值 |
範例
程式碼編輯器 (JavaScript)
// Define a Rectangle object.
var rectangle = ee.Geometry.Rectangle(-122.09, 37.42, -122.08, 37.43);
// Apply the projection method to the Rectangle object.
var rectangleProjection = rectangle.projection();
// Print the result to the console.
print('rectangle.projection(...) =', rectangleProjection);
// Display relevant geometries on the map.
Map.setCenter(-122.085, 37.422, 15);
Map.addLayer(rectangle,
{'color': 'black'},
'Geometry [black]: rectangle');
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 Rectangle object.
rectangle = ee.Geometry.Rectangle(-122.09, 37.42, -122.08, 37.43)
# Apply the projection method to the Rectangle object.
rectangle_projection = rectangle.projection()
# Print the result.
display('rectangle.projection(...) =', rectangle_projection)
# Display relevant geometries on the map.
m = geemap.Map()
m.set_center(-122.085, 37.422, 15)
m.add_layer(rectangle, {'color': 'black'}, 'Geometry [black]: rectangle')
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\u003eprojection()\u003c/code\u003e method returns the projection of a given geometry, such as a rectangle.\u003c/p\u003e\n"],["\u003cp\u003eThis method is useful for understanding the coordinate system and projection parameters of a geometry object in Earth Engine.\u003c/p\u003e\n"],["\u003cp\u003eThe examples provided demonstrate how to use the \u003ccode\u003eprojection()\u003c/code\u003e method in both JavaScript and Python for a rectangle geometry.\u003c/p\u003e\n"]]],["The `projection()` method, when applied to a geometry (like a Rectangle), returns the geometry's projection. In JavaScript and Python examples, a Rectangle is defined, and `projection()` is called on it, storing the projection result. The code then prints the projection to the console or display. Finally, the code displays the rectangle's location on a map. The method takes one argument: a `geometry` type named `this`.\n"],null,["# ee.Geometry.Rectangle.projection\n\nReturns the projection of the geometry.\n\n\u003cbr /\u003e\n\n| Usage | Returns |\n|--------------------------|------------|\n| Rectangle.projection`()` | Projection |\n\n| Argument | Type | Details |\n|------------------|----------|---------|\n| this: `geometry` | Geometry | |\n\nExamples\n--------\n\n### Code Editor (JavaScript)\n\n```javascript\n// Define a Rectangle object.\nvar rectangle = ee.Geometry.Rectangle(-122.09, 37.42, -122.08, 37.43);\n\n// Apply the projection method to the Rectangle object.\nvar rectangleProjection = rectangle.projection();\n\n// Print the result to the console.\nprint('rectangle.projection(...) =', rectangleProjection);\n\n// Display relevant geometries on the map.\nMap.setCenter(-122.085, 37.422, 15);\nMap.addLayer(rectangle,\n {'color': 'black'},\n 'Geometry [black]: rectangle');\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 Rectangle object.\nrectangle = ee.Geometry.Rectangle(-122.09, 37.42, -122.08, 37.43)\n\n# Apply the projection method to the Rectangle object.\nrectangle_projection = rectangle.projection()\n\n# Print the result.\ndisplay('rectangle.projection(...) =', rectangle_projection)\n\n# Display relevant geometries on the map.\nm = geemap.Map()\nm.set_center(-122.085, 37.422, 15)\nm.add_layer(rectangle, {'color': 'black'}, 'Geometry [black]: rectangle')\nm\n```"]]