is_coord3d() tests whether an object has a "Coord3D" class
Examples
p <- as_coord3d(x = sample.int(10, 3),
y = sample.int(10, 3),
z = sample.int(10, 3))
is_coord3d(p)
#> [1] TRUE
is_coord3d() tests whether an object has a "Coord3D" class
p <- as_coord3d(x = sample.int(10, 3),
y = sample.int(10, 3),
z = sample.int(10, 3))
is_coord3d(p)
#> [1] TRUE