Question

对于以下情节：

df.plot <-structure(list(color = structure(c(2L, 2L, 3L, 1L, 3L, 4L, 3L, 
    1L, 4L, 1L, 2L, 4L, 1L, 2L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 3L, 2L, 
    3L, 3L, 3L, 3L), .Label = c("54", "55", "61", "69"), class = "factor"), 
    date = structure(c(16687, 16687, 16687, 16687, 16687, 16687, 
    16688, 16688, 16688, 16689, 16689, 16690, 16693, 16693, 16693, 
    16694, 16694, 16695, 16695, 16695, 16695, 16696, 16696, 16696, 
    16696, 16696, 16696), class = "Date"), facet = c("A", 
     "A", "A", "A", "A", "B", 
     "B", "A", "B", "B", "B", "B", 
     "B", "B", "B", "B", "A", "B", 
     "A", "B", "A", "C", "B", "C", 
     "C", "B", "C")), class = "data.frame", row.names = c(NA, -27L), 
     .Names = c("color", "date", "facet"))

vlines <- data.frame(date = as.Date(c("2015-09-10", "2015-09-13")), 
          LType=(c("AA", "AB")))
ggplot(df.plot, aes(x=date, fill=color)) + 
  geom_dotplot(binwidth=1, stackgroups=TRUE, binpositions="all") +
  coord_fixed(ratio=1) + 
  ylim(0,7) +
  geom_vline(data=vlines, aes(xintercept = as.numeric(date), linetype=LType))  + 
  facet_grid(facet ~ .)

我想为＆＃34; AB＆＃34;制作线型。 be＆＃34; dotdash＆＃34; ，以及＆＃34; AA＆＃34; ＆＃34; longdash＆＃34 ;.我该如何指定？

Answer 1

使用scale_linetype_manual。

library("ggplot2")
g0 <- ggplot(df.plot, aes(x=date, fill=color)) + 
  geom_dotplot(binwidth=1, stackgroups=TRUE, binpositions="all") +
  coord_fixed(ratio=1) + 
  ylim(0,7) +
  geom_vline(data=vlines, aes(xintercept = as.numeric(date), linetype=LType))  + 
  facet_grid(facet ~ .)

来自?par：

'lty'线型。线型可以指定为整数（0 =空白，1 =实心（默认），2 =虚线，3 =虚线， 4 = dotdash，5 = longdash，6 = twodash）或作为角色之一字符串'＆＃34;空白＆＃34;'，'＆＃34;固定＆＃34;'，'＆＃34;虚线＆＃34;'，'＆＃34;点缀＆＃34;'， '＆＃34; dotdash＆＃34;'，'＆＃34; longdash＆＃34;'或'＆＃34; twodash＆＃34;'，其中'＆＃34;空白＆＃34;' 使用'隐形线'（即不绘制它们）。

所以

g0 + scale_linetype_manual(values=c(5,4))

或（可能更好！）

g0 + scale_linetype_manual(values=c("longdash","dotdash"))

设置geom_vline的线型？

1 个答案: