center_limits {ggh4x} | R Documentation |
This a function factory that allows the centering of scales around a certain value while still including all values. Convenient for centering log2 fold change limits around zero.
center_limits(around = 0)
around |
A |
A function
that takes limits and returns expanded limits
centered at the around
argument.
center_limits(5)(c(3,8)) g <- ggplot(iris, aes(Sepal.Width, Sepal.Length, colour = log2(Petal.Width / Petal.Length))) + geom_point() + scale_colour_gradient2(limits = center_limits())