easyprintMap

Print or export a map programmatically (e.g. in a Shiny environment).

Usage

easyprintMap(map, sizeModes = "A4Portrait", filename = "map")

Arguments

map

the map widget

sizeModes

Must match one of the given sizeMode names in easyprintOptions. The options are: CurrentSize, A4Portrait or A4Landscape. If you want to print the map with a Custom sizeMode you need to pass the Custom className. Default is A4Portrait

filename

Name of the file if exportOnly option is TRUE.

Value

A leaflet map object

See also

Other EasyPrint Functions: addEasyprint(), easyprintOptions(), removeEasyprint()

Examples

## Only run examples in interactive R sessions
if (interactive()) {
  library(shiny)
  library(leaflet)
  library(leaflet.extras2)

  ui <- fluidPage(
    leafletOutput("map"),
    selectInput("scene", "Select Scene", choices = c("CurrentSize", "A4Landscape", "A4Portrait")),
    actionButton("print", "Print Map")
  )

  server <- function(input, output, session) {
    output$map <- renderLeaflet({
      input$print
      leaflet() %>%
        addTiles() %>%
        setView(10, 50, 9) %>%
        addEasyprint(options = easyprintOptions(
          exportOnly = TRUE
        ))
    })
    observeEvent(input$print, {
      leafletProxy("map") %>%
        easyprintMap(sizeModes = input$scene)
    })
  }

  shinyApp(ui, server)
}