cassowaryr (version 2.0.2)

draw_alphahull: Drawing the alphahull

Description

This function will draw the alphahull for a scatterplot.

Usage

draw_alphahull(x, y, alpha = 0.5, clr = "black", fill = FALSE, out.rm = TRUE)

Value

A alphahull::ahull(del, alpha = alpha) "gg" object that draws the plot's alpha hull.

Arguments

x

numeric vector

y

numeric vector

alpha

transparency value of points

clr

optional colour of points and lines, default black

fill

Fill the polygon

out.rm

option to return the outlier removed alphahull

Examples

require(dplyr)
require(ggplot2)
require(alphahull)
data("features")
nl <- features %>% filter(feature == "clusters")
draw_alphahull(nl$x, nl$y)