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我正在使用 R 组合传单对象和 dygraph。

特别是我希望一个 dygraph(理想情况下是任何 htmlwidget)显示为地图上点的弹出窗口。

下面是我大致尝试生成的代码。

理想情况下,当用户单击标记时,dygraph 应该出现在弹出窗口中。

  # example dygraph
  library(dygraphs)
  lungDeaths <- cbind(mdeaths, fdeaths)
  dygraph(lungDeaths)
  dd <- .Last.value

  # example leaflet map
  library(leaflet)
  leaflet() %>%
    addTiles() %>% 
    addMarkers(lng=174.768, lat=-36.852, 
               popup="The birthplace of R")
  ll <- .Last.value

  # I would like to be able to incorporate the dygraph as the popup,
  # however the below doesn't work.
  ll %>% addMarkers(lng=174.769, lat=-36.853,
                    popup=dd)


  # the end goal is to have this combined in a shiny output
  # below is a rough skeleton to add what I would expect to code
  # in order to be able to add the dygraph into the popup
  library(shiny)
  library(leaflet)
  library(dygraphs)

  ui <- fluidPage(
    leafletOutput("mymap")
  )

  server <- function(input, output, session) {

    output$mymap <- renderLeaflet({
      leaflet() %>%
        addTiles() %>% 
        addMarkers(lng=174.768, lat=-36.852, 
                   popup=dygraph(lungDeaths))

    })
  }

  shinyApp(ui, server)
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1 回答 1

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这可以使用mapview::popupGraph允许在弹出窗口中包含静态以及基于 htmlwidgets 的图形来完成。您的示例中要更改的相关行是:

ll %>% addMarkers(lng=174.769, lat=-36.853,
                  popup=mapview::popupGraph(dd, type = "html"))

请注意,这些 html 弹出窗口是通过 iframe 嵌入的,因此可能会出现一些意外行为,尤其是在空间不足时。使用 github 版本的传单,您可以更改弹出窗口的大小以满足您的需要。CRAN 版本只允许 300px 的宽度(如果我没记错的话)。

于 2017-01-14T09:21:12.583 回答