lsp_extract {motif} | R Documentation |
Extracts a local landscape
Description
Extracts a local landscape from categorical raster data based on its id and provided window
argument.
Usage
lsp_extract(x, window, id)
Arguments
x |
Object of class |
window |
Specifies areas for analysis. It can be either: |
id |
Id of the local landscape - it is possible to find in the output of |
Value
A stars
or terra
object cropped to the extent of a selected local landscape
Examples
library(stars)
landform = read_stars(system.file("raster/landforms.tif", package = "motif"))
ecoregions = read_sf(system.file("vector/ecoregionss.gpkg", package = "motif"))
extract1 = lsp_extract(x = landform, window = 100, id = 25)
plot(extract1)
ecoregions = st_transform(ecoregions, st_crs(landform))
extract2 = lsp_extract(x = landform, window = ecoregions["id"], id = 11)
plot(extract2)
# larger data example
library(stars)
landform = read_stars(system.file("raster/landform.tif", package = "motif"))
ecoregions = read_sf(system.file("vector/ecoregions.gpkg", package = "motif"))
extract1 = lsp_extract(x = landform, window = 100, id = 1895)
plot(extract1)
ecoregions = st_transform(ecoregions, st_crs(landform))
extract2 = lsp_extract(x = landform, window = ecoregions["id"], id = 7)
plot(extract2)
[Package motif version 0.6.4 Index]