ee.Geometry.Polygon.projection
Restez organisé à l'aide des collections
Enregistrez et classez les contenus selon vos préférences.
Renvoie la projection de la géométrie.
| Utilisation | Renvoie |
|---|
Polygon.projection() | Projection |
| Argument | Type | Détails |
|---|
ceci : geometry | Géométrie | |
Exemples
Éditeur de code (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');
Configuration de Python
Consultez la page
Environnement Python pour en savoir plus sur l'API Python et sur l'utilisation de geemap pour le développement interactif.
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
Sauf indication contraire, le contenu de cette page est régi par une licence Creative Commons Attribution 4.0, et les échantillons de code sont régis par une licence Apache 2.0. Pour en savoir plus, consultez les Règles du site Google Developers. Java est une marque déposée d'Oracle et/ou de ses sociétés affiliées.
Dernière mise à jour le 2025/07/26 (UTC).
[null,null,["Dernière mise à jour le 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```"]]
