Announcement: All noncommercial projects registered to use Earth Engine before April 15, 2025 must verify noncommercial eligibility to maintain Earth Engine access.
Stay organized with collections
Save and categorize content based on your preferences.
Returns the union of the two geometries.
Usage
Returns
Point.union(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.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2023-10-06 UTC."],[[["`union` returns a Geometry representing the combined area of two input geometries."],["This method can be applied to Point objects and accepts a second Geometry, an optional error margin (`maxError`), and an optional projection (`proj`) as input."],["If a projection is not specified, calculations are performed in a spherical coordinate system using meters as the unit of distance."],["The result of the union operation represents the total area covered by both input geometries."]]],["The `union` method combines two geometries, the `left` and `right` operands, returning a new geometry that represents their union. It takes optional `maxError` and `proj` parameters to control reprojection accuracy and the operation's coordinate system. The `left` geometry is a given one, and the `right` one must be provided. The provided examples demonstrate using `union` on a Point geometry with a BBox geometry in Javascript and Python. The resulting geometry is displayed on a map.\n"]]