Nothing
# show that extract with exact=TRUE equals st_interpolate_aw(), only much faster
options(digits=15)
suppressPackageStartupMessages(library(stars))
L = st_as_stars(L7_ETMs)[,,,1]
set.seed(123432)
st_bbox(L) |>
st_as_sfc() |>
st_centroid() |>
st_buffer(50) |>
st_sample(10) |>
st_combine() |>
st_convex_hull() -> ch
if (interactive()) {
plot(L, reset = FALSE)
plot(ch, add = TRUE, border = 'red', col = NA)
}
if (FALSE) {
e = st_extract(L, ch)[[1]]
a = aggregate(L, ch, mean)[[1]]
identical(e, a) # same code path
ee = aggregate(L, ch, mean, exact = TRUE)[[1]]
all.equal(e, ee)
aw = suppressWarnings(st_interpolate_aw(L, ch, extensive = FALSE)$V1)
all.equal(as.vector(ee), aw)
ee0 = st_extract(L, ch, exact = TRUE)[[1]]
all.equal(ee0, ee) # ??
}
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