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ee.Geometry.Polygon.projection
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Restituisce la proiezione della geometria.
| Utilizzo | Resi |
|---|
Polygon.projection() | Projection |
| Argomento | Tipo | Dettagli |
|---|
questo: geometry | Geometria | |
Esempi
Editor di codice (JavaScript)
// Define a Polygon object.
var polygon = ee.Geometry.Polygon(
[[[-122.092, 37.424],
[-122.086, 37.418],
[-122.079, 37.425],
[-122.085, 37.423]]]);
// Apply the projection method to the Polygon object.
var polygonProjection = polygon.projection();
// Print the result to the console.
print('polygon.projection(...) =', polygonProjection);
// Display relevant geometries on the map.
Map.setCenter(-122.085, 37.422, 15);
Map.addLayer(polygon,
{'color': 'black'},
'Geometry [black]: polygon');
Configurazione di Python
Consulta la pagina
Ambiente Python per informazioni sull'API Python e sull'utilizzo di
geemap per lo sviluppo interattivo.
import ee
import geemap.core as geemap
Colab (Python)
# Define a Polygon object.
polygon = ee.Geometry.Polygon([[
[-122.092, 37.424],
[-122.086, 37.418],
[-122.079, 37.425],
[-122.085, 37.423],
]])
# Apply the projection method to the Polygon object.
polygon_projection = polygon.projection()
# Print the result.
display('polygon.projection(...) =', polygon_projection)
# Display relevant geometries on the map.
m = geemap.Map()
m.set_center(-122.085, 37.422, 15)
m.add_layer(polygon, {'color': 'black'}, 'Geometry [black]: polygon')
m
Salvo quando diversamente specificato, i contenuti di questa pagina sono concessi in base alla licenza Creative Commons Attribution 4.0, mentre gli esempi di codice sono concessi in base alla licenza Apache 2.0. Per ulteriori dettagli, consulta le norme del sito di Google Developers. Java è un marchio registrato di Oracle e/o delle sue consociate.
Ultimo aggiornamento 2025-07-26 UTC.
[null,null,["Ultimo aggiornamento 2025-07-26 UTC."],[[["\u003cp\u003eThe \u003ccode\u003eprojection()\u003c/code\u003e method returns the projection of a given geometry, such as a polygon.\u003c/p\u003e\n"],["\u003cp\u003eIt can be accessed using \u003ccode\u003epolygon.projection()\u003c/code\u003e, where 'polygon' is the geometry object.\u003c/p\u003e\n"],["\u003cp\u003eThe returned value is a Projection object representing the geometry's projection.\u003c/p\u003e\n"],["\u003cp\u003eExamples are provided in JavaScript and Python demonstrating how to utilize this method.\u003c/p\u003e\n"]]],["The `projection()` method is applied to a `Polygon` object to retrieve its projection. The method takes a `Geometry` object as input and returns a `Projection`. In the JavaScript example, a polygon is defined, the method is used, and the projection is printed. The Python example mirrors this, defining a polygon, applying the method, displaying the projection, and visualizing the polygon on a map using `geemap`. The examples in both langages return the projection of the given geometry object.\n"],null,["# ee.Geometry.Polygon.projection\n\nReturns the projection of the geometry.\n\n\u003cbr /\u003e\n\n| Usage | Returns |\n|------------------------|------------|\n| Polygon.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 Polygon object.\nvar polygon = ee.Geometry.Polygon(\n [[[-122.092, 37.424],\n [-122.086, 37.418],\n [-122.079, 37.425],\n [-122.085, 37.423]]]);\n\n// Apply the projection method to the Polygon object.\nvar polygonProjection = polygon.projection();\n\n// Print the result to the console.\nprint('polygon.projection(...) =', polygonProjection);\n\n// Display relevant geometries on the map.\nMap.setCenter(-122.085, 37.422, 15);\nMap.addLayer(polygon,\n {'color': 'black'},\n 'Geometry [black]: polygon');\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 Polygon object.\npolygon = ee.Geometry.Polygon([[\n [-122.092, 37.424],\n [-122.086, 37.418],\n [-122.079, 37.425],\n [-122.085, 37.423],\n]])\n\n# Apply the projection method to the Polygon object.\npolygon_projection = polygon.projection()\n\n# Print the result.\ndisplay('polygon.projection(...) =', polygon_projection)\n\n# Display relevant geometries on the map.\nm = geemap.Map()\nm.set_center(-122.085, 37.422, 15)\nm.add_layer(polygon, {'color': 'black'}, 'Geometry [black]: polygon')\nm\n```"]]
