R语言仪表盘

• 单个仪表盘

导入包及代码：

library(ggplot2)
library("showtext")
library(Cairo)
library("Rmisc")
library(grid)
setwd("F:")
font.add("myfont","msyh.ttc")
bardata<-seq(from=0,to=270,length=1000)
rectdata<-seq(from=0,to=270,by=27)%>%c(360)

target<-1
assist<-target*270

CairoPNG(file="I_LOVE_YOU.png",width=800,height=540)
showtext.begin()
ggplot(data=NULL)+
  geom_rect(aes(xmin=rectdata[-12],xmax=rectdata[-1],ymin=5,ymax=10),fill="#F2F2F2",col="white")+
  geom_bar(aes(x=bardata,y=5,col=bardata),stat="identity",fill=NA,size=2)+
  geom_text(aes(x=rectdata[-12],y=-5,label=seq(0,100,by=10)),vjust=.5,hjust=.5,size=5,family="myfont",col="#0F1110")+
  geom_segment(aes(x=assist,y=-50,xend=assist,yend=-10),arrow =arrow(length=unit(0.4,"cm")),size=1.2,col="red")+
  geom_point(aes(x=assist,y=-50),shape=21,fill="white",col="black",size=7)+
  annotate("text",x=315,y=-30,label="100%",size=12,hjust=.5,vjust=.5,family="myfont",col=ifelse(target<.5,"#F32626","#38E968"),fontface="plain")+
  annotate("text",x=315,y=-15,label="我爱你",size=15,hjust=.5,vjust=.5,family="myfont",col=2)+
  ylim(-50,12)+
  coord_polar(theta="x",start=179.85)+
  scale_colour_gradient(low="#F32626",high="#38E968",guide=FALSE)+
  theme_minimal()+
  theme(
    text=element_blank(),
    line=element_blank(),
    rect=element_blank()
  )
showtext.end()
dev.off()

　　

• 多个仪表盘

set.seed(123)
target<-runif(5,0,1)
assist<-270*target

CairoPNG(file="bigdashboard.png",width=1500,height=675)
showtext.begin()
grid.newpage()
pushViewport(viewport(layout=grid.layout(1,5)))
vplayout<-function(x,y){viewport(layout.pos.row =x,layout.pos.col=y)}
for(i in 1:5){
p<-ggplot(data=NULL)+
geom_rect(aes(xmin=rectdata[-12],xmax=rectdata[-1],ymin=5,ymax=12),fill="#F2F2F2",col="white")+
geom_bar(aes(x=bardata,y=5,col=bardata),stat="identity",fill=NA,size=2)+
geom_text(aes(x=rectdata[-12],y=-5,label=seq(0,100,by=10)),vjust=.5,hjust=.5,size=3.5,family="myfont",col="#0F1110")+
geom_segment(aes(x=assist[i],y=-50,xend=assist[i],yend=-10),arrow =arrow(length=unit(0.4,"cm")),size=1.2,col="red")+
geom_point(aes(x=assist[i],y=-50),shape=21,fill="white",col="black",size=7)+
annotate("text",x=315,y=-30,label=percent(target[i]),size=7.5,hjust=.5,vjust=.5,family="myfont",col=ifelse(target[i]<.5,"#F32626","#38E968"),fontface="plain")+
annotate("text",x=315,y=-15,label=paste0("指标",i),size=8.5,hjust=.5,vjust=.5,family="myfont")+
ylim(-50,12)+
coord_polar(theta="x",start=179.85)+
scale_colour_gradient(low="#F32626",high="#38E968",guide=FALSE)+
theme_minimal()+
theme(
text=element_blank(),
line=element_blank(),
rect=element_blank()
)
print(p,vp=vplayout(1,i))
}
showtext.end()
dev.off()