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ee.Geometry.MultiPoint.withinDistance
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Returns true if and only if the geometries are within a specified distance.
| Usage | Returns | MultiPoint.withinDistance(right, distance, maxError, proj) | Boolean |
| 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. |
distance | Float | The distance threshold. If a projection is specified, the distance is in units of that projected coordinate system, otherwise it is in meters. |
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
Code Editor (JavaScript)
// Define a MultiPoint object.
var multiPoint = ee.Geometry.MultiPoint([[-122.082, 37.420], [-122.081, 37.426]]);
// Define other inputs.
var inputGeom = ee.Geometry.Point(-122.090, 37.423);
// Apply the withinDistance method to the MultiPoint object.
var multiPointWithinDistance = multiPoint.withinDistance({'right': inputGeom, 'distance': 500, 'maxError': 1});
// Print the result to the console.
print('multiPoint.withinDistance(...) =', multiPointWithinDistance);
// Display relevant geometries on the map.
Map.setCenter(-122.085, 37.422, 15);
Map.addLayer(multiPoint,
{'color': 'black'},
'Geometry [black]: multiPoint');
Map.addLayer(inputGeom,
{'color': 'blue'},
'Parameter [blue]: inputGeom');
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 MultiPoint object.
multipoint = ee.Geometry.MultiPoint([[-122.082, 37.420], [-122.081, 37.426]])
# Define other inputs.
input_geom = ee.Geometry.Point(-122.090, 37.423)
# Apply the withinDistance method to the MultiPoint object.
multipoint_within_distance = multipoint.withinDistance(
right=input_geom, distance=500, maxError=1
)
# Print the result.
display('multipoint.withinDistance(...) =', multipoint_within_distance)
# Display relevant geometries on the map.
m = geemap.Map()
m.set_center(-122.085, 37.422, 15)
m.add_layer(multipoint, {'color': 'black'}, 'Geometry [black]: multipoint')
m.add_layer(input_geom, {'color': 'blue'}, 'Parameter [blue]: input_geom')
m
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Last updated 2023-12-06 UTC.
[null,null,["Last updated 2023-12-06 UTC."],[[["\u003cp\u003e\u003ccode\u003ewithinDistance\u003c/code\u003e determines if a geometry (\u003ccode\u003eleft\u003c/code\u003e) is within a specified distance of another geometry (\u003ccode\u003eright\u003c/code\u003e).\u003c/p\u003e\n"],["\u003cp\u003eIt returns \u003ccode\u003etrue\u003c/code\u003e if the geometries are within the given distance, otherwise \u003ccode\u003efalse\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eDistance is measured in meters or in the units of the provided projection (\u003ccode\u003eproj\u003c/code\u003e).\u003c/p\u003e\n"],["\u003cp\u003eOptional parameters include \u003ccode\u003emaxError\u003c/code\u003e to control reprojection accuracy.\u003c/p\u003e\n"]]],[],null,["# ee.Geometry.MultiPoint.withinDistance\n\nReturns true if and only if the geometries are within a specified distance.\n\n\u003cbr /\u003e\n\n| Usage | Returns |\n|-----------------------------------------------------------------------|---------|\n| MultiPoint.withinDistance`(right, distance, `*maxError* `, `*proj*`)` | Boolean |\n\n| Argument | Type | Details |\n|--------------|----------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| this: `left` | Geometry | The geometry used as the left operand of the operation. |\n| `right` | Geometry | The geometry used as the right operand of the operation. |\n| `distance` | Float | The distance threshold. If a projection is specified, the distance is in units of that projected coordinate system, otherwise it is in meters. |\n| `maxError` | ErrorMargin, default: null | The maximum amount of error tolerated when performing any necessary reprojection. |\n| `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. |\n\nExamples\n--------\n\n### Code Editor (JavaScript)\n\n```javascript\n// Define a MultiPoint object.\nvar multiPoint = ee.Geometry.MultiPoint([[-122.082, 37.420], [-122.081, 37.426]]);\n\n// Define other inputs.\nvar inputGeom = ee.Geometry.Point(-122.090, 37.423);\n\n// Apply the withinDistance method to the MultiPoint object.\nvar multiPointWithinDistance = multiPoint.withinDistance({'right': inputGeom, 'distance': 500, 'maxError': 1});\n\n// Print the result to the console.\nprint('multiPoint.withinDistance(...) =', multiPointWithinDistance);\n\n// Display relevant geometries on the map.\nMap.setCenter(-122.085, 37.422, 15);\nMap.addLayer(multiPoint,\n {'color': 'black'},\n 'Geometry [black]: multiPoint');\nMap.addLayer(inputGeom,\n {'color': 'blue'},\n 'Parameter [blue]: inputGeom');\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 MultiPoint object.\nmultipoint = ee.Geometry.MultiPoint([[-122.082, 37.420], [-122.081, 37.426]])\n\n# Define other inputs.\ninput_geom = ee.Geometry.Point(-122.090, 37.423)\n\n# Apply the withinDistance method to the MultiPoint object.\nmultipoint_within_distance = multipoint.withinDistance(\n right=input_geom, distance=500, maxError=1\n)\n\n# Print the result.\ndisplay('multipoint.withinDistance(...) =', multipoint_within_distance)\n\n# Display relevant geometries on the map.\nm = geemap.Map()\nm.set_center(-122.085, 37.422, 15)\nm.add_layer(multipoint, {'color': 'black'}, 'Geometry [black]: multipoint')\nm.add_layer(input_geom, {'color': 'blue'}, 'Parameter [blue]: input_geom')\nm\n```"]]