c_update: Update

In JohnCoene/charter: Wrapper for 'Chart.js'

Description

Update a chart.

Usage

c_update(c, duration = NULL, lazy = FALSE, easing = NULL)

Arguments

c	A proxy for a chart as returned by charter_proxy.
duration	Time for the animation of the redraw in milliseconds.
lazy	If TRUE the animation can be interrupted by other animations.
easing	The animation easing function. See Animation Easing for possible values.

Examples

library(shiny)

ui <- fluidPage(
 actionButton("add", "Add z serie"),
 actionButton("update", "Update chart"),
 charterOutput("chart")
)

server <- function(input, output){

 df <- data.frame(
   x = 1:100,
   y = runif(100),
   z = runif(100)
 )

 output$chart <- render_charter({
   chart(df, caes(x, y)) %>% 
     c_scatter()
 })

 observeEvent(input$add, {
   charter_proxy("chart") %>% 
     c_line(data = df, caes(x, z), update = FALSE)
 })

 observeEvent(input$update, {
   charter_proxy("chart") %>% 
     c_update()
 })

}

if(interactive())
 shinyApp(ui, server)

JohnCoene/charter documentation built on Feb. 20, 2022, 11:07 p.m.