terra::terrain
How terra runs Terrain Ruggedness Index: terra::terrain.
| Engine | terra |
|---|---|
| Tool name | terra::terrain |
| Interface | r |
| Implements | Terrain Ruggedness Index |
| Variant of | terra-terrain |
| 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 |
v | any | no | "slope" | Not stated | Not stated |
neighbors | any | no | 8 | Not stated | Not stated |
unit | any | no | "degrees" | Not stated | Not stated |
filename | any | no | "" | Not stated | Not stated |
How it maps to the operation
| Operation parameter | Parameter here | Note |
|---|---|---|
raster | x | Not stated |
algorithm | v | riley = TRIriley; wilson = TRI; rmsd = TRIrmsd |
Differences from the operation
- v = 'TRI' is the mean absolute difference; 'TRIriley' Riley's index; 'TRIrmsd' the root mean square difference.
Harvested by the r-packages harvester from engine version
1.9.50. Names can change when an engine is harvested again.