ee.Geometry.Polygon.geodesic
Mit Sammlungen den Überblick behalten
Sie können Inhalte basierend auf Ihren Einstellungen speichern und kategorisieren.
Bei „false“ sind die Kanten in der Projektion gerade. Bei „true“ sind die Kanten gekrümmt, um dem kürzesten Pfad auf der Erdoberfläche zu folgen.
Nutzung | Ausgabe |
---|
Polygon.geodesic() | Boolesch |
Argument | Typ | Details |
---|
So gehts: geometry | Geometrie | |
Beispiele
Code-Editor (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 geodesic method to the Polygon object.
var polygonGeodesic = polygon.geodesic();
// Print the result to the console.
print('polygon.geodesic(...) =', polygonGeodesic);
// Display relevant geometries on the map.
Map.setCenter(-122.085, 37.422, 15);
Map.addLayer(polygon,
{'color': 'black'},
'Geometry [black]: polygon');
Python einrichten
Informationen zur Python API und zur Verwendung von geemap
für die interaktive Entwicklung finden Sie auf der Seite
Python-Umgebung.
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 geodesic method to the Polygon object.
polygon_geodesic = polygon.geodesic()
# Print the result.
display('polygon.geodesic(...) =', polygon_geodesic)
# 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
Sofern nicht anders angegeben, sind die Inhalte dieser Seite unter der Creative Commons Attribution 4.0 License und Codebeispiele unter der Apache 2.0 License lizenziert. Weitere Informationen finden Sie in den Websiterichtlinien von Google Developers. Java ist eine eingetragene Marke von Oracle und/oder seinen Partnern.
Zuletzt aktualisiert: 2025-07-26 (UTC).
[null,null,["Zuletzt aktualisiert: 2025-07-26 (UTC)."],[[["\u003cp\u003eThe \u003ccode\u003egeodesic()\u003c/code\u003e method determines whether polygon edges are rendered as straight lines or curved to follow the Earth's curvature.\u003c/p\u003e\n"],["\u003cp\u003eWhen set to \u003ccode\u003efalse\u003c/code\u003e, edges appear straight in the projection; when \u003ccode\u003etrue\u003c/code\u003e, edges are curved, representing the shortest path on the Earth's surface.\u003c/p\u003e\n"],["\u003cp\u003eThis method applies to \u003ccode\u003ePolygon\u003c/code\u003e geometries and returns a boolean value indicating the geodesic setting.\u003c/p\u003e\n"],["\u003cp\u003eYou can use this method to visually represent and accurately measure distances on a geographic scale.\u003c/p\u003e\n"]]],["The `Polygon.geodesic()` method determines if a polygon's edges are curved to follow the Earth's surface's shortest path. It returns a Boolean value: `true` indicates curved edges, `false` indicates straight edges. This method is applied to a `Geometry` object representing a polygon. Examples in JavaScript and Python show defining a polygon, applying `geodesic()`, and printing/displaying the Boolean result. The code also provides map visualization to show polygon.\n"],null,["# ee.Geometry.Polygon.geodesic\n\nIf false, edges are straight in the projection. If true, edges are curved to follow the shortest path on the surface of the Earth.\n\n\u003cbr /\u003e\n\n| Usage | Returns |\n|----------------------|---------|\n| Polygon.geodesic`()` | 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 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 geodesic method to the Polygon object.\nvar polygonGeodesic = polygon.geodesic();\n\n// Print the result to the console.\nprint('polygon.geodesic(...) =', polygonGeodesic);\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 geodesic method to the Polygon object.\npolygon_geodesic = polygon.geodesic()\n\n# Print the result.\ndisplay('polygon.geodesic(...) =', polygon_geodesic)\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```"]]