geom_shadowline()The most simple use of geom_shadowline() is a simple
replacement of geom_line()
library(ggshadow)
ggplot(economics_long, aes(date, value01, colour = variable)) + geom_shadowline()It is possible to draw lines with varying colors, and it is also
possible to change the color, alpha and size of the shadow using
shadowcolor, shadowsize and
shadowalpha.
library(ggshadow)
ggplot(economics_long, aes(date, value01, group = variable, colour=value01, shadowcolor='grey', shadowalpha=0.5, shadowsize=5*(1-value01))) + geom_shadowline()geom_shadowpoint()Example using geom_shadowpoint().
ggplot(mtcars, aes(wt, mpg)) + geom_shadowpoint(aes( color = carb, shadowcolour = ifelse(vs == 1, 'red', 'blue') ))