Creates different size values along a vector

Copied from https://github.com/ornitho-logics/windR

Usage

atl_size_along(x, head = 20, to = c(0.1, 2.5))

Arguments

x

Vector along which alpha is created

head

Numeric parameter influencing the length of the head

to

Numeric vector including the minimum and maximum size

Value

Numeric vector with different size values

Author

Mihai Valcu & Johannes Krietsch

Examples

library(ggplot2)
d <- data.frame(
  x = 1:100, y = 1:100,
  s = atl_size_along(1:100, head = 70, to = c(0.1, 5))
)
bm <- ggplot(d, aes(x, y))
bm + geom_path(linewidth = 1)

bm + geom_path(linewidth = d$s, lineend = "round")