问题描述
library(leaflet)
icon.Union <- makeAwesomeIcon(icon = "chevron-down",markerColor = "lightblue",iconColor="#FFFF33",library = "fa")
icon.Confederacy <- makeAwesomeIcon(icon = "chevron-down",markerColor = "lightgray",iconColor="#FFFFFF",library = "fa")
lng = -98.5795;lat = 39.8283
leaflet() %>%
addTiles(group = "OSM") %>%
setView(lng,lat,zoom = 4.0) %>%
addAwesomeMarkers(
lng = -77.23667,lat = 39.80861,label = "Gettysburg,PA",group = "Union",icon = icon.Union) %>%
addAwesomeMarkers(
lng = -88.32183,lat = 35.15068,label = "Shiloh,TN",icon = icon.Union) %>%
addAwesomeMarkers(
lng = -79.8747,lat = 32.7523,label = "Fort Sumter",group = "Confederacy",icon = icon.Confederacy) %>%
addLayersControl(baseGroups="OSM",overlayGroups = c("Union","Confederacy"),options= layersControlOptions(collapsed=TRUE))
我想避免要求重复单击单选按钮来完成此操作。 任何建议将不胜感激。
解决方法
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