Nothing
library(rgl)
test_that("surface dimensions work", {
x <- 1:3
y <- 1:5
z <- matrix(1:15, 3, 5)
open3d()
surface3d(x, y, z, col = "red")
surface3d(x, z, y, col = "blue")
surface3d(z, y, x, col = "green")
surface3d(x, z, z, col = "purple")
surface3d(z, y, z, col = "orange")
surface3d(z, z, y, col = "brown")
surface3d(z, z, z, col = "white")
surface3d(x, y, as.numeric(z + 1), col = "black")
expect_error( surface3d(y, x, z))
expect_error( surface3d(y, z, x))
expect_error( surface3d(z, x, y))
expect_error( surface3d(y, z, z))
expect_error( surface3d(z, z, x))
expect_error( surface3d(z, x, z))
expect_error( surface3d(as.numeric(z), y, x))
expect_error( surface3d(x, as.numeric(z), y))
})
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