问题描述
此page显示了如何使用ggplot
函数来处理guide_legend
的多个图例,例如顺序,标题颜色。我想知道是否可以单独修改每个图例的背景颜色。谢谢!
ggplot(mpg,aes(displ,cty)) +
# I tired to use legend.background and a list of colors in fill to individually change the color,but is it not working
theme(legend.background=element_rect(fill=c('brown','grey','whie'))) +
geom_point(aes(size = hwy,colour = cyl,shape = drv)) +
guides(
colour = guide_colourbar(order = 1),# title.theme allows individual adjustment of title color,I wonder if similar can be done for legend background color
shape = guide_legend(order = 2,title.theme = element_text(color='green')),size = guide_legend(order = 3,label.theme=element_text(color='red'))
)
解决方法
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