ee.Geometry.BBox.symmetricDifference
Returns the symmetric difference between two geometries.
Usage | Returns |
---|
BBox.symmetricDifference(right, maxError, proj) | Geometry |
Argument | Type | Details |
---|
this: left | Geometry | The geometry used as the left operand of the operation. |
right | Geometry | The geometry used as the right operand of the operation. |
maxError | ErrorMargin, default: null | The maximum amount of error tolerated when performing any necessary reprojection. |
proj | Projection, default: null | The projection in which to perform the operation. If not specified, the operation will be performed in a spherical coordinate system, and linear distances will be in meters on the sphere. |
Examples
// Define a BBox object.
var bBox = ee.Geometry.BBox(-122.09, 37.42, -122.08, 37.43);
// Define other inputs.
var inputGeom = ee.Geometry.BBox(-122.085, 37.415, -122.075, 37.425);
// Apply the symmetricDifference method to the BBox object.
var bBoxSymmetricDifference = bBox.symmetricDifference({'right': inputGeom, 'maxError': 1});
// Print the result to the console.
print('bBox.symmetricDifference(...) =', bBoxSymmetricDifference);
// Display relevant geometries on the map.
Map.setCenter(-122.085, 37.422, 15);
Map.addLayer(bBox,
{'color': 'black'},
'Geometry [black]: bBox');
Map.addLayer(inputGeom,
{'color': 'blue'},
'Parameter [blue]: inputGeom');
Map.addLayer(bBoxSymmetricDifference,
{'color': 'red'},
'Result [red]: bBox.symmetricDifference');
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
# Define a BBox object.
bbox = ee.Geometry.BBox(-122.09, 37.42, -122.08, 37.43)
# Define other inputs.
input_geom = ee.Geometry.BBox(-122.085, 37.415, -122.075, 37.425)
# Apply the symmetricDifference method to the BBox object.
bbox_symmetric_difference = bbox.symmetricDifference(
right=input_geom, maxError=1
)
# Print the result.
display('bbox.symmetricDifference(...) =', bbox_symmetric_difference)
# Display relevant geometries on the map.
m = geemap.Map()
m.set_center(-122.085, 37.422, 15)
m.add_layer(bbox, {'color': 'black'}, 'Geometry [black]: bbox')
m.add_layer(input_geom, {'color': 'blue'}, 'Parameter [blue]: input_geom')
m.add_layer(
bbox_symmetric_difference,
{'color': 'red'},
'Result [red]: bbox.symmetricDifference',
)
m
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Last updated 2023-10-06 UTC.
[null,null,["Last updated 2023-10-06 UTC."],[[["Returns the difference between the union and intersection of two geometries."],["Accepts a right-hand geometry, an optional error margin, and an optional projection as input."],["Can be applied to `BBox` geometries in both JavaScript and Python environments within Google Earth Engine."],["Computes the areas of the input geometries that do not overlap."]]],["The `symmetricDifference` method calculates the symmetric difference between two geometries (`left` and `right`). It accepts a `maxError` parameter to define error tolerance during reprojection and a `proj` parameter to specify the projection for the operation. The result is a new `Geometry` object representing the symmetric difference. The provided examples illustrate its application using `BBox` geometries in both JavaScript and Python, showcasing the method's usage and output.\n"]]