Use proxies with shiny.

b_zoom_p(proxy, domain)

b_focus_p(proxy, series)

b_defocus_p(proxy, series = NULL)

b_transform_p(proxy, to, serie)

b_stack_p(proxy, serie)

b_region_p(proxy, axis, start, end, class = NULL)

b_add_region_p(proxy, axis, start, end, class = NULL)

b_flow_p(proxy, data, series, x = NULL)

b_load_p(proxy, data, series, unload = NULL)

b_export_p(proxy)

Arguments

proxy

an object of class billboardProxy as returned by billboardProxy.

domain

domain to zoom to.

to

transformation target, see details.

serie, series

target series.

axis

target axis.

start, end

start and end of region.

class

CSS class.

data

data set.

x

x column.

unload

series to unload.

Proxies

`b_zoom_p`

Zoom on a specific area.

`b_focus_p`

Focus on a particular serie.

`b_defocus_p`

Unfocus from particular serie.

`b_transform_p`

Change charge type.

`b_stack_p`

Stack series.

`b_add_region_p`

Add regions.

`b_region_p`

Define region.

`b_flow_p`

Add rows of data.

`b_load_p`

Add series.

Examples

# NOT RUN {
library(shiny)

ui <- fluidPage(
  fluidRow(
    column(
    3,
     sliderInput("zoom",
       "Zoom on a region",
       min = 0,
       max = 150,
       value = 100
     )
    ),
    column(
      2,
     selectInput(
       "transform",
       "Filter:",
       choices = c("line", "spline", "area", "area-spline", "scatter", "bar"),
       selected = "line"
     )
    ),
    column(
      2,
     selectInput(
      "focus",
       label = "Focus on data",
       choices = c("y", "z"),
       selected = "y"
     )
    ),
    column(
      3,
     selectInput(
      "stack",
       label = "Stack",
       choices = c("x", "y", "z"),
       selected = "y",
       multiple = TRUE
     )
    ),
    column(
      2,
     checkboxInput(
       "region", "Add region", FALSE
     )
   )
  ),
  fluidRow(
    billboardOutput("billboard")
  ),
  fluidRow(
    column(
      3,
     sliderInput("add",
       "Add rows",
       min = 0,
       max = 100,
       value = 0
     )
    ),
    column(
      3,
      actionButton("cols", "Add serie")
    ),
    column(
      3,
      actionButton("export", "Export")
    )
  )
)

server <- function(input, output){

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

  df <- eventReactive(input$add, {
    data.frame(x = runif(input$add, 10, 80),
      y = runif(input$add, 10, 80),
      z = runif(input$add, 10, 80))
  })

  random_data <- eventReactive(input$cols, {
    df <- data.frame(x = runif(100, 1, 100))
    names(df) <- paste0("col", sample(LETTERS, 1))
    df
  })

  output$billboard <- renderBillboard({
    data %>%
      b_board() %>%
      b_line(x) %>%
      b_bar(y, stack = TRUE) %>%
      b_area(z, stack = TRUE) %>%
      b_zoom()
  })

  observeEvent(input$zoom, {
    billboardProxy("billboard") %>%
      b_zoom_p(c(0, input$zoom))
  })

  observeEvent(input$transform, {
    billboardProxy("billboard") %>%
      b_transform_p(input$transform, "x")
  })

  observeEvent(input$focus, {
    billboardProxy("billboard") %>%
      b_focus_p(list("x", input$filter))
  })

  observeEvent(input$stack, {
    billboardProxy("billboard") %>%
      b_stack_p(list("x", input$stack))
  })

  observeEvent(input$region, {
    if(isTRUE(input$region)){
      billboardProxy("billboard") %>%
        b_add_region_p(axis = "x", start = 1, end = 40)
    }
  })

  observeEvent(input$add, {
    billboardProxy("billboard") %>%
      b_flow_p(df(), names(df()))
  })

  observeEvent(input$cols, {
    billboardProxy("billboard") %>%
      b_load_p(random_data(), names(random_data()))
  })

  observeEvent(input$export, {
    billboardProxy("billboard") %>%
      b_export_p()
  })
}

shinyApp(ui, server)
# }