Nothing
test_that("subset range", {
library(sf)
library(dplyr)
coordinates <- data.frame(x = rep(seq(-1, -5, -1), 5),
y = rep(seq(1, 5, 1), each = 5))
values <- matrix(seq(1, 25, 1))
subset <- data.frame(x = rep(seq(0, -4, -0.5), 5),
y = rep(seq(1, 3, 0.5), each = 9))
rsub <- region_subset(coordinates, values, subset)
expect_true(all(sort(unique(dplyr::semi_join(cbind(coordinates, values), subset, by = c("x", "y"))$values))==sort(unique(rsub))))
})
test_that("subset interpolation", {
library(sf)
coordinates <- data.frame(x = rep(seq(-1, -5, -1), 5),
y = rep(seq(1, 5, 1), each = 5))
values <- matrix(seq(1, 25, 1))
subset <- data.frame(x = rep(seq(0, -4, -0.5), 5),
y = rep(seq(1, 3, 0.5), each = 9))
rsub <- region_subset(coordinates, values, subset)
expect_length(rsub, nrow(subset))
})
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