[英]Insert a grid between two elements with ggplot in R
I am trying to overlay the background of my plot with a color depending on the x-axis, with geom_rect.我正在尝试使用 geom_rect 覆盖我的 plot 的背景,颜色取决于 x 轴。 For example, for x-values between 0.5 and 1.5, background will be grey.例如,对于介于 0.5 和 1.5 之间的 x 值,背景将为灰色。 It will be white for x-values between 1.5 and 2.5, then grey, etc. I also have a grid and boxplots on my plot.对于 1.5 和 2.5 之间的 x 值,它将是白色,然后是灰色等。我的 plot 上还有一个网格和箱线图。
I want for the grid to be ontop of this colored background but behind the boxplots.我希望网格位于此彩色背景之上,但位于箱线图之后。
p <- (p
+ theme_bw()
+ ggtitle(dates[i])
+ xlab("Echeance")
+ geom_rect(xmin=0.5, xmax=1.5, ymin=500, ymax=7500, fill="gray90")
+ geom_rect(xmin=1.5, xmax=2.5, ymin=500, ymax=7500, fill="gray100")
+ geom_rect(xmin=2.5, xmax=3.5, ymin=500, ymax=7500, fill="gray90")
+ geom_line(data=data, aes(x=Var3, y=value), group=1)
+ geom_boxplot(aes(linetype=exp))
+ guides(linetype="none")
+ scale_y_continuous(n.breaks = 20))
Without options, I have the colored background ontop of the grid, and behind the boxplots.没有选项,我在网格顶部和箱线图后面有彩色背景。
If I add如果我添加
+ theme(panel.ontop = TRUE, panel.background = element_rect(fill = NA))
Then I have the grid ontop the colored background but also on top of the boxplot...然后我将网格放在彩色背景之上,但也在箱线图之上......
Does someone has the trick?有人有诀窍吗?
Use (instead of geom_rect)使用(而不是 geom_rect)
+ annotate("rect", xmin=2.5, xmax=3.5, ymin = -Inf, ymax = Inf, fill="gray20", alpha = 0.2)
with alpha controling the transparency用 alpha 控制透明度
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