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AI-generated Key Takeaways
Calculates the total length of a geometry's linear segments, excluding any polygonal areas.
It sums the lengths of individual components for multi-geometries.
Returns the length in meters by default or in the units of a specified projection.
Can be used with an optional maxError parameter to control reprojection accuracy.
Returns the length of the linear parts of the geometry. Polygonal parts are ignored. The length of multi geometries is the sum of the lengths of their components.
Usage
Returns
Polygon.length(maxError, proj)
Float
Argument
Type
Details
this: geometry
Geometry
The input geometry.
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 meters.
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2023-10-06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."],[],["The `length()` method calculates the length of linear parts within a geometry, ignoring polygonal sections. For multi-geometries, it sums the lengths of individual components. The method accepts optional `maxError` and `proj` arguments to define error tolerance and projection units, respectively. By default, length is computed in meters. The example demonstrates how to use `length()` on a polygon object and visualize it in JavaScript and Python environments.\n"]]