更改绘图图表中的图例大小 [英] Change legend size in plotly chart

问题描述

有没有办法改变 R 的图例大小?我没有遇到过这个选项.我查看了有关图例的文档，https://plot.ly/r/legend/，但它没有提到这一点.

Is there a way to change the legend size in plotly for R? I have not come across this option. I have looked at the docs on legends, https://plot.ly/r/legend/, but it does not mention this.

推荐答案

使用layout(legend = list(font = list(size(30)))):

plot_ly(data = mtcars, x = as.character(mtcars$cyl), 
        y = mtcars$mpg, type = "box", color = as.character(mtcars$cyl)) %>%
    layout(showlegend = TRUE, legend = list(font = list(size = 30)))

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