getValue: Plot attributes

In parallelPlot: 'Htmlwidget' for a Parallel Coordinates Plot

Plot attributes

Description

Asks to retrieve the value of an attribute.

Usage

getValue(id, attrType, valueInputId)

Arguments

id	output variable to read from (id which references the requested plot)
attrType	which value is requested.
valueInputId	reactive input to write to.

Details

Available attributes are 'Cutoffs', 'SelectedTraces' and 'ReferenceColumn'. Result will be sent through a reactive input.

Value

No return value, called from shiny applications for side effects.

Examples

 if(interactive() && require(shiny)) {
   library(shiny)
   library(parallelPlot)

   ui <- fluidPage(
       actionButton("getSelectedTracesAction", "Retrieve Selected Lines"),
       p("The button displays the list of uncutted rows (use brush to reduce it)"),
       parallelPlotOutput("parPlot")
   )

   server <- function(input, output, session) {
       output$parPlot <- renderParallelPlot({
           parallelPlot(iris)
       })
       observeEvent(input$getSelectedTracesAction, {
           attributeType <- "SelectedTraces"
           parallelPlot::getValue("parPlot", attributeType, "MySelectedTraces")
       })
       observeEvent(input$MySelectedTraces, {
           showModal(modalDialog(
               title = "Selected Lines",
               toString(input$MySelectedTraces)
           ))
       })
   }

   shinyApp(ui, server)
 }

parallelPlot documentation built on April 19, 2023, 1:07 a.m.