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ee.Geometry.LinearRing.area
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Returns the area of the geometry. Area of points and line strings is 0 and the area of multi geometries is the sum of the areas of their components (intersecting areas are counted multiple times).
Usage | Returns | LinearRing.area(maxError, proj) | Float |
Argument | Type | Details | this: geometry | Geometry | The geometry input. |
maxError | ErrorMargin, default: null | The maximum amount of error tolerated when performing any necessary reprojection. |
proj | Projection, default: null | If specified, the result will be in the units of the coordinate system of this projection. Otherwise it will be in square meters. |
Examples
Code Editor (JavaScript)
// Define a LinearRing object.
var linearRing = ee.Geometry.LinearRing(
[[-122.091, 37.420],
[-122.085, 37.422],
[-122.080, 37.430]]);
// Apply the area method to the LinearRing object.
var linearRingArea = linearRing.area({'maxError': 1});
// Print the result to the console.
print('linearRing.area(...) =', linearRingArea);
// Display relevant geometries on the map.
Map.setCenter(-122.085, 37.422, 15);
Map.addLayer(linearRing,
{'color': 'black'},
'Geometry [black]: linearRing');
Python setup
See the
Python Environment page for information on the Python API and using
geemap
for interactive development.
import ee
import geemap.core as geemap
Colab (Python)
# Define a LinearRing object.
linearring = ee.Geometry.LinearRing(
[[-122.091, 37.420], [-122.085, 37.422], [-122.080, 37.430]]
)
# Apply the area method to the LinearRing object.
linearring_area = linearring.area(maxError=1)
# Print the result.
display('linearring.area(...) =', linearring_area)
# Display relevant geometries on the map.
m = geemap.Map()
m.set_center(-122.085, 37.422, 15)
m.add_layer(linearring, {'color': 'black'}, 'Geometry [black]: linearring')
m
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Last updated 2024-09-19 UTC.
[null,null,["Last updated 2024-09-19 UTC."],[[["\u003cp\u003eCalculates the area of a given geometry, with the area of points and lines being 0.\u003c/p\u003e\n"],["\u003cp\u003eFor multi-geometries, the total area is the sum of its components' areas, including overlaps.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003earea()\u003c/code\u003e can optionally accept \u003ccode\u003emaxError\u003c/code\u003e for reprojection tolerance and \u003ccode\u003eproj\u003c/code\u003e to specify the unit of the output area.\u003c/p\u003e\n"],["\u003cp\u003eIf \u003ccode\u003eproj\u003c/code\u003e is not specified, the area is returned in square meters.\u003c/p\u003e\n"]]],[],null,["# ee.Geometry.LinearRing.area\n\nReturns the area of the geometry. Area of points and line strings is 0 and the area of multi geometries is the sum of the areas of their components (intersecting areas are counted multiple times).\n\n\u003cbr /\u003e\n\n| Usage | Returns |\n|--------------------------------------------|---------|\n| LinearRing.area`(`*maxError* `, `*proj*`)` | Float |\n\n| Argument | Type | Details |\n|------------------|----------------------------|-----------------------------------------------------------------------------------------------------------------------------------|\n| this: `geometry` | Geometry | The geometry input. |\n| `maxError` | ErrorMargin, default: null | The maximum amount of error tolerated when performing any necessary reprojection. |\n| `proj` | Projection, default: null | If specified, the result will be in the units of the coordinate system of this projection. Otherwise it will be in square meters. |\n\nExamples\n--------\n\n### Code Editor (JavaScript)\n\n```javascript\n// Define a LinearRing object.\nvar linearRing = ee.Geometry.LinearRing(\n [[-122.091, 37.420],\n [-122.085, 37.422],\n [-122.080, 37.430]]);\n\n// Apply the area method to the LinearRing object.\nvar linearRingArea = linearRing.area({'maxError': 1});\n\n// Print the result to the console.\nprint('linearRing.area(...) =', linearRingArea);\n\n// Display relevant geometries on the map.\nMap.setCenter(-122.085, 37.422, 15);\nMap.addLayer(linearRing,\n {'color': 'black'},\n 'Geometry [black]: linearRing');\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 LinearRing object.\nlinearring = ee.Geometry.LinearRing(\n [[-122.091, 37.420], [-122.085, 37.422], [-122.080, 37.430]]\n)\n\n# Apply the area method to the LinearRing object.\nlinearring_area = linearring.area(maxError=1)\n\n# Print the result.\ndisplay('linearring.area(...) =', linearring_area)\n\n# Display relevant geometries on the map.\nm = geemap.Map()\nm.set_center(-122.085, 37.422, 15)\nm.add_layer(linearring, {'color': 'black'}, 'Geometry [black]: linearring')\nm\n```"]]