当用户按下按钮放大到该点时,如何在传单地图(使用 Shiny)上选择一个点时控制缩放速度?

How can I control the zoom speed when selecting a point on a leaflet map (with Shiny) when the user presses the button to zoom in to the point?

我正在 RmarkdownFlexdashboardShiny 中开发仪表板。目前我正在使用 Leaflet 来映射几个点并且我有一个闪亮的输入,当按下按钮时它会选择一个特定的点并对其进行缩放。

想知道有没有办法控制缩放速度

图片示例:

地图的初始状态,点为蓝色。

用户选择点和按钮执行过滤和缩放的面板。

在这张图片中,我显示了对所选点的缩放,速度非常快。

我留下了一些示例代码,我会继续关注您的评论。谢谢。

{r chunk, echo = false}

leafletOutput(outputId = "mapa1")

# DATA FILTERED BY USER INPUT (1 point)
rbdFiltered <- reactive({
  misDatos()[misDatos()$rdb == input$rbd, ]
})

# LEAFLET OBJECT WITH ALL POINTS
myMap <- reactive({
  input$params
  leaflet() %>% 
    addTiles() %>% 
    addCircleMarkers(data = misDatos(), lng = ~ longitud, lat = ~ latitud, radius = 3, group = "myMarkers") %>% 
    setView(lng = -70.560946, lat = -33.592340, zoom = 13) # ZOOM SET HERE
})


# OBSERVE EVENT (Select a point)

observeEvent(input$BT_select_rbd, {
  leafletProxy(mapId = "mapa1") %>% clearGroup(group = "myMarkers") %>% 
    addCircleMarkers(data = rbdFiltered(), lng = ~ longitud, lat = ~ latitud, radius = 3, group = "myMarkers") %>% 
# HERE A ZOOM TO THE SELECTED POINT IS PROCESSED, IS IT POSSIBLE TO CONTROL THE SPEED?
    setView(lng = rbdFiltered()$longitud, lat = rbdFiltered()$latitud, zoom = 17) 
})

# OBSERVE EVENT (Show all points)

observeEvent(input$BT_todo_rbd, {
  leafletProxy(mapId = "mapa1") %>% clearGroup(group = "myMarkers") %>% 
    addCircleMarkers(data = misDatos(), lng = ~ longitud, lat = ~ latitud, radius = 3, group = "myMarkers") %>% 
    setView(lng = -70.560946, lat = -33.592340, zoom = 13) # WE RETURN TO ORIGINAL ZOOM 

})

output$mapa1 <- renderLeaflet({myMap()})

问候 编辑:图片

不要在你的 Shiny 事件中使用 setView(),而是尝试使用 leaflet::flyTo()