Aliases: ops_stars Ops.stars Math.stars Ops.stars_proxy Math.stars_proxy
Keywords:
### ** Examples tif = system.file("tif/L7_ETMs.tif", package = "stars") x = read_stars(tif) x * x
stars object with 3 dimensions and 1 attribute
attribute(s):
Min. 1st Qu. Median Mean 3rd Qu. Max.
L7_ETMs.tif 1 2916 4761 5512.41 7396 65025
dimension(s):
from to offset delta refsys point x/y
x 1 349 288776 28.5 SIRGAS 2000 / UTM zone 25S FALSE [x]
y 1 352 9120761 -28.5 SIRGAS 2000 / UTM zone 25S FALSE [y]
band 1 6 NA NA NA NA
x / x
stars object with 3 dimensions and 1 attribute
attribute(s):
Min. 1st Qu. Median Mean 3rd Qu. Max.
L7_ETMs.tif 1 1 1 1 1 1
dimension(s):
from to offset delta refsys point x/y
x 1 349 288776 28.5 SIRGAS 2000 / UTM zone 25S FALSE [x]
y 1 352 9120761 -28.5 SIRGAS 2000 / UTM zone 25S FALSE [y]
band 1 6 NA NA NA NA
x + x
stars object with 3 dimensions and 1 attribute
attribute(s):
Min. 1st Qu. Median Mean 3rd Qu. Max.
L7_ETMs.tif 2 108 138 137.8248 172 510
dimension(s):
from to offset delta refsys point x/y
x 1 349 288776 28.5 SIRGAS 2000 / UTM zone 25S FALSE [x]
y 1 352 9120761 -28.5 SIRGAS 2000 / UTM zone 25S FALSE [y]
band 1 6 NA NA NA NA
x + 10
stars object with 3 dimensions and 1 attribute
attribute(s):
Min. 1st Qu. Median Mean 3rd Qu. Max.
L7_ETMs.tif 11 64 79 78.91242 96 265
dimension(s):
from to offset delta refsys point x/y
x 1 349 288776 28.5 SIRGAS 2000 / UTM zone 25S FALSE [x]
y 1 352 9120761 -28.5 SIRGAS 2000 / UTM zone 25S FALSE [y]
band 1 6 NA NA NA NA
all.equal(x * 10, 10 * x)
[1] TRUE
tif = system.file("tif/L7_ETMs.tif", package = "stars") x = read_stars(tif) a = sqrt(x) b = log(x, base = 10)