我正在使用颇有名气的数据分析包 xkcd,但是遇到了颜色方面的困难。我想在一个多彩的 geom_bar
旁边添加 xkcd 漫画中的男子形象,但我只能实现有色彩的 geom_bar
或者男子和柱状图并存,而无法同时实现。
library(xkcd)
library(ggplot2)
set.seed(16)
#borrowed from vignette
library(extrafont)
download.file("http://simonsoftware.se/other/xkcd.ttf", dest = "xkcd.ttf")
system("mkdir ~/.fonts")
system("cp xkcd.tff -t ~/.fonts")
library(extrafont)
font_import()
loadfonts()
#creates data from xkcd man: from vignette
mapping <- aes(
x = x, y = y, scale = scale, ratioxy = ratioxy, angleofspine = angleofspine,
anglerighthumerus = anglerighthumerus, anglelefthumerus = anglelefthumerus,
anglerightradius = anglerightradius, angleleftradius = angleleftradius,
anglerightleg = anglerightleg, angleleftleg = angleleftleg,
angleofneck = angleofneck, color = color)
dataman2 <- data.frame(
x= 3.5, y = 3, scale = 2, ratioxy = 0.5, angleofspine = -pi/2,
anglerighthumerus = -pi/6, anglelefthumerus = 7*pi/6,
anglerightradius = 4*pi / 3, angleleftradius = 5*pi / 3,
angleleftleg = 4*pi / 3, anglerightleg = 5*pi / 3,
angleofneck = (3*pi/2) - (pi/10), color=c("red"))
#this rotates the xkcd man to match coord_flip
dataman2[ ,1:ncol(dataman2) %in% 5:(ncol(dataman2) - 1)] <-
dataman2[ ,c(5:(ncol(dataman2) -1))] - pi/2
#Create my df
Ride <- data.frame(
A = 1:6,
B = .01* seq(from = 5, to = 30, by= 5),
C = round(runif(6, min = .9, max = 1.1), 2) * c(2,1,2,2,1,2))
#These are the colors I want, but I want to add xkcd man on the right
ggplot(Ride, aes(A, C, fill = B)) +
geom_bar(stat="identity", width=.1) + coord_flip() +
scale_fill_continuous(low=c("#990000"), high=c("#009900")) #+
以下是我想要的颜色条:
(注:此内容为HTML标签,不做翻译)
#idea 1 - won't work b/c of fill = B
ggplot(Ride, aes(A, C, fill = B)) +
geom_bar(stat="identity", width=.1) + xkcdman(mapping,dataman2)
#idea 2 - works but b&w; I am trying to add scale_fill_continuous (in comments)
ggplot() + xkcdrect(aes(xmin = A,
xmax = A + .25,
ymin = 0,
ymax = C),
Ride) + xkcdman(mapping,dataman2) + coord_flip() #+
#scale_fill_continuous(low=c("#990000"), high=c("#009900"))
很遗憾,这些不太丰富多彩。
我该如何给一个连续的条形图上色但仍保持男人的实心?
感谢您的协助。