terra::extract
How terra runs Extract Values to Points: terra::extract.
| Engine | terra |
|---|---|
| Tool name | terra::extract |
| Interface | r |
| Implements | Extract Values to Points |
| 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 |
y | any | yes | Not stated | Not stated | Not stated |
... | dots | no | Not stated | Not stated | further arguments passed on |
cells | any | no | FALSE | Not stated | Not stated |
method | any | no | "simple" | Not stated | Not stated |
xy | any | no | FALSE | Not stated | Not stated |
raw | any | no | FALSE | Not stated | Not stated |
fun | any | no | NULL | Not stated | Not stated |
ID | any | no | TRUE | Not stated | Not stated |
weights | any | no | FALSE | Not stated | Not stated |
exact | any | no | FALSE | Not stated | Not stated |
touches | any | no | is.lines(y) | Not stated | Not stated |
layer | any | no | NULL | Not stated | Not stated |
bind | any | no | FALSE | Not stated | Not stated |
small | any | no | TRUE | Not stated | Not stated |
search_radius | any | no | 0 | Not stated | Not stated |
wide | any | no | FALSE | Not stated | Not stated |
count | any | no | FALSE | Not stated | Not stated |
How it maps to the operation
| Operation parameter | Parameter here | Note |
|---|---|---|
points | y | Not stated |
raster | x | Not stated |
resampling | method | nearest = simple; bilinear = bilinear |
Differences from the operation
- Returns a data frame of ID and one column per layer, not the points; bind = TRUE returns the points with the values.
Harvested by the r-packages harvester from engine version
1.9.50. Names can change when an engine is harvested again.