Usage
fm_segm_contour_helper(
x = seq(0, 1, length.out = nrow(z)),
y = seq(0, 1, length.out = ncol(z)),
z,
nlevels = 10,
levels = pretty(range(z, na.rm = TRUE), nlevels),
groups = seq_len(length(levels)),
positive = TRUE,
eps = NULL,
eps_rel = NULL,
crs = NULL
)