geo-registry

terra::expanse

How terra runs Measure Area: terra::expanse.

About this implementation
Engine terra
Tool name terra::expanse
Interface r
Implements Measure Area
Documentation Not stated
Effects modifies input: no, network: no
Notes S4 generic: parameters gathered from all its methods; each method takes a subset.
Status active

Parameters

Name Type Required Default Choices Note
x any yes Not stated Not stated Not stated
... dots no Not stated Not stated further arguments passed on
unit any no "m" Not stated Not stated
transform any no TRUE Not stated Not stated
byValue any no FALSE Not stated Not stated
zones any no NULL Not stated Not stated
wide any no FALSE Not stated Not stated
usenames any no FALSE Not stated Not stated

How it maps to the operation

Operation parameter Parameter here Note
layer x Not stated
unit unit m2 = m; km2 = km; ha = ha. not supported: ft2, acre

Differences from the operation

  • Square metres even for longitude/latitude data (geodesic); also measures raster cell areas.

Harvested by the r-packages harvester from engine version 1.9.50. Names can change when an engine is harvested again.