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()