echarts4r (version 0.4.5)

e_morph: Morphing

Description

__This is experimental__

Usage

e_morph(e, ..., callback, default = 1L)

Arguments

e, ...

Graphs (from `e_graph`).

callback

JavaScript callback function as a character string (vector of length 1). This function has access to the `chart` object, as well as `opts` an array containing the options of the charts passed to `e` and `...`.

default

Default chart to show.

Details

Morph between graphs.

Examples

mtcars2 <- mtcars |> 
  head() |> 
  tibble::rownames_to_column("model")

e1 <- mtcars2 |> 
  e_charts(model) |> 
  e_bar(
    carb, 
    universalTransition = TRUE,
    animationDurationUpdate = 1000L
  )

e2 <- mtcars2 |> 
  e_charts(model) |> 
  e_pie(
    carb, 
    universalTransition = TRUE,
    animationDurationUpdate = 1000L
  )

cb <- "() => {
  let x = 0;
  setInterval(() => {
    x++
    chart.setOption(opts[x % 2], true);
  }, 3000);
}"

e_morph(e1, e2, callback = cb)