Grupy bazowe

Interaktywne mapy z leaflet w R

Rich Majerus

Vice President of Strategy & Planning, Queens University of Charlotte

Grupy bazowe i wiele warstw kafelkowych

leaflet() %>% 
  addTiles(group = "OSM") %>% 
  addProviderTiles("CartoDB", group = "Carto") %>% 
  addProviderTiles("Esri", group = "Esri")

Grupy bazowe 1

leaflet() %>% 
  addTiles(group = "OSM") %>% 
  addProviderTiles("CartoDB", group = "Carto") %>% 
  addProviderTiles("Esri", group = "Esri")  %>% 

  addLayersControl(baseGroups = c("OSM", "Carto", "Esri"),
                   position = "topleft")

Grupy bazowe 2

Eksplorowanie map bazowych Esri

Grupy bazowe 3

Grupy nakładkowe i bazowe

# initialize leaflet map
leaflet() %>%

# add basemaps with groups
  addTiles(group = "OSM") %>% 
  addProviderTiles("CartoDB", group = "Carto") %>% 
  addProviderTiles("Esri", group = "Esri") %>%

Grupy nakładkowe i bazowe

# add marker layer for each sector with corresponding group name
addCircleMarkers(data = public, radius = 2, 
                 label = ~htmlEscape(name),
                 color = ~pal(sector_label), group = "Public") %>% 
addCircleMarkers(data = private, radius = 2, 
                 label = ~htmlEscape(name),
                 color = ~pal(sector_label), group = "Private") %>% 
addCircleMarkers(data = profit, radius = 2, 
                 label = ~htmlEscape(name),
                 color = ~pal(sector_label), group = "For-Profit") %>% 

# add layer controls for base and overlay groups
addLayersControl(baseGroups = c("OSM", "Carto", "Esri"), 
                 overlayGroups = c("Public", "Private", 
                                     "For-Profit"))

Wielkie odkrycie

Wszystkie czteroletnie uczelnie z grupami bazowymi i nakładkowymi

Czas na ćwiczenia!

Interaktywne mapy z leaflet w R