I am currently using ggplot2 to plot a barchart with too many levels in fill. As a result, I am unable tell when a bar ends and the other begin.
Here\'s my sample da
I would use the ggplot function instead of qplot. Then you can set the color and fill manually:
ggplot
qplot
ggplot(data,aes(x=variable, y=Length.1,group=value))+ geom_bar(fill="white",color="black")+ geom_text(aes(label = Length.1), size = 3, hjust = 0.5, vjust = 3, position ="stack") + theme_bw()