当标题在两行上拆分时，修复 plotly ggplotly() 标题重叠图 [英] Fix plotly ggplotly() Title Overlapping Plot When Title is Split on Two Lines

问题描述

在下面的示例中，标题的第二行与图略有重叠.有没有办法通过增加标题和情节之间的间距来解决这个问题?

In the example below, the second line of the title overlaps slightly with the plot. Is there a way to fix this by increasing the spacing between the title and plot?

library(ggplot2)
library(plotly)
library(magrittr)

p1 <- ggplot(iris, aes(x = Sepal.Length, y = Petal.Length)) +
  geom_point() + 
  ggtitle("A REALLY, REALLY, REALLY LONG TITLE THAT I WANT TO\nSPLIT INTO TWO LINES")
p1

ggplotly() %>% config(collaborate=FALSE, cloud=FALSE, displaylogo=FALSE, modeBarButtonsToRemove=c("select2d", "sendDataToCloud", "pan2d", "resetScale2d", "hoverClosestCartesian", "hoverCompareCartesian", "lasso2d", "zoomIn2d", "zoomOut2d"))

推荐答案

Plotly 忽略尾随换行符并且还需要 HTML 中断 <br/> 而不是 \n 用于新行(请参阅末尾的示例).

Plotly ignores trailing new line characters and also needs HTML breaks <br /> instead of \n for new lines (see example at the end).

添加 <br/> 以手动打破您的标题并将顶部 margin 添加到您的布局 (layout(gp, margin=list(t= 75))).

Add <br /> to manually break your title and add a top margin to your layout (layout(gp, margin=list(t = 75))).

library(ggplot2)
library(plotly)
library(magrittr)

p1 <- ggplot(iris, aes(x = Sepal.Length, y = Petal.Length)) +
  geom_point() + 
  ggtitle("A REALLY, REALLY, REALLY LONG TITLE THAT I WANT TO <br />\nSPLIT INTO TWO LINES<br />\n")
p1

gp <- ggplotly() %>% config(collaborate=FALSE, cloud=FALSE, displaylogo=FALSE, modeBarButtonsToRemove=c("select2d", "sendDataToCloud", "pan2d", "resetScale2d", "hoverClosestCartesian", "hoverCompareCartesian", "lasso2d", "zoomIn2d", "zoomOut2d"))
gp <- layout(gp, margin=list(t = 75))
gp

<小时>

ggplot

情节

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