plotly / plotly/plotly.R

Tooltip of ggplotly's geom_area not updating along the x axis

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描述

Recently, the hover text/tooltip when using geom_area() only shows the values for the first element along the x axis - in the example below, the geom_col graph has the expected tooltips, but the geom_area is stuck with the first value.

library(tidyverse)
economics %>% {ggplot(., aes(x=date,y=pop)) + geom_area()} %>% plotly::ggplotly()
economics %>% {ggplot(., aes(x=date,y=pop)) + geom_col()} %>% plotly::ggplotly()

The problem seems to be in ggplotly() as the native plot_ly() approach still works as expected:

plotly::plot_ly(x=~economics$date, y=~economics$pop, type='scatter', mode='none', stackgroup='one')

In a more complicated graph (with fill groups and facets) other elements seem to update, but the x and y values are stick at the first element still - again, compare geom_area to geom_col results:

economics_status <- economics %>% mutate(pop = pop - unemploy) %>% pivot_longer(cols = c(pop,unemploy), names_to="status", values_to="number")

economics_status %>% 
    {ggplot(., aes(x=date,y=number, fill=status)) + geom_area()} %>% plotly::ggplotly()

economics_status %>% 
    {ggplot(., aes(x=date,y=number, fill=status)) + geom_col()} %>% plotly::ggplotly()

I'm getting the error using R 4.2.2, plotly version 4.10.1. Rolling back using devtools, I am getting the same error back to plotly 4.9.4 - but anything earlier won't load any output at all, so presumably clashing with something else in the ecosystem. It may be relevant that htmlwidgets is at 1.6.2 and htmltools is 0.5.5.

However, all worked fine with R 4.1.3 and plotly 4.10.0 ... which had htmlwidgets at 1.5.4 and htmltools at 0.5.3. But rolling back htmlwidgets with the other settings above does not fix things.

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调研方向

首先通过 ggplotly() 重现经济学示例,将 geom_area() 与 geom_col() 以及原生的 plot_ly() 方法进行比较。跟踪 geom_area() 的转换和工具提示数据的处理;对于简单的、填充的和分面的面积图,当 x 和 y 值沿坐标轴更新时,即表示完成。

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评估

技术栈
r
领域
data-visualization
Issue 类型
缺陷
难度
4/5
预计耗时
3-5 天
活跃度
停滞
描述清晰度
基本清楚
新手友好度
42/100

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