[英]How to colour part of ggplotly/plotly hover text a different colour in R
I would like to colour part of the hover text another colour in a ggplotly object.我想在 ggplotly 对象中为悬停文本的一部分着色另一种颜色。 It is easy to bold and italicise but it doesn't seem to be the same ease for font colour.
粗体和斜体很容易,但字体颜色似乎并不容易。 I thought the code below should work
我认为下面的代码应该可以工作
Example with the Iris data set:鸢尾花数据集的示例:
library(plotly)
library(ggplot2)
library(htmltools)
library(dplyr)
iris_in <- iris %>%
mutate(mytext = paste0("<b>Sepal length:</b> ", Sepal.Length, "\n",
p(text = "Sepal width: ", style="color:red"), Sepal.Width))
p <- ggplot() +
geom_point(data = iris_in, aes(x = Sepal.Length, y = Sepal.Width, color = Species, text = mytext))
p <- ggplotly(p, tooltip = "mytext")
p
I can bold Sepal Length but I can't change the Sepal Width title to red.我可以加粗Sepal Length,但不能将Sepal Width 标题更改为红色。 Help would be greatly appreciated!
帮助将不胜感激!
You could achieve your desired result by using a span
instead of a p
tag:您可以通过使用
span
而不是p
标签来实现您想要的结果:
library(plotly)
library(ggplot2)
library(dplyr)
iris_in <- iris %>%
mutate(mytext = paste0("<b>Sepal length:</b> ", Sepal.Length, "\n",
"<span style='color:red'>Sepal width: </span>", Sepal.Width))
p <- ggplot() +
geom_point(data = iris_in, aes(x = Sepal.Length, y = Sepal.Width, color = Species, text = mytext))
p <- ggplotly(p, tooltip = "mytext")
p
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