我想在R Leaflet地图中设置缩小最大值。我在Prevent zooming out in leaflet R-Map?中按照上一个问题/答案的示例进行操作,但它不起作用。应该能够执行此操作的行是:
options = providerTileOptions(minzoom = 1, maxzoom = 10))
你们能帮助我找出原因吗?
这是代码:
deck_lf_par_map <- leaflet(lpoints) %>%
addPolygons(data = dio, noClip=T,
weight = 4,
dashArray="5, 1",
color = "black",
fillOpacity = .01,
smoothFactor = 0) %>%
setView(lng = mean(lpoints$long), lat = mean(lpoints$lat), zoom = 09) %>%
addProviderTiles("Stamen.TonerLite",
group = "Toner",
options = providerTileOptions(minzoom = 1, maxzoom = 10)) %>%
addTiles(group = "OSM") %>%
addProviderTiles("Esri.WorldTopoMap",
group = "Topo") %>%
addProviderTiles("OpenStreetMap.Mapnik", group = "Mapnik") %>%
addProviderTiles("CartoDB.Positron", group = "CartoDB") %>%
setMaxBounds((dioc@bbox[1,1] - .3),
(dioc@bbox[2,1] - .3),
(dioc@bbox[1,2] + .3),
(dioc@bbox[2,2] + .3)) %>%
addMarkers(lpoints$long,
lpoints$lat,
popup=ppopup,
icon = tec_icon,
group="Parishes",
clusterOptions = markerClusterOptions()) %>%
addLayersControl(baseGroups = c("Toner", "OSM", "Topo", "Mapnik", "CartoDB"),
options = layersControlOptions(collapsed = TRUE))
答案 0 :(得分:11)
有几点:
minZoom
和maxZoom
(注意资本 Z )Tile
函数中设置要设置的选项
./缩放级别。library(leaflet)
## the first two tiles have a zoom level control - the others don't
leaflet() %>%
setView(lng = 144, lat = -37, zoom = 09) %>%
addProviderTiles("Stamen.TonerLite",
group = "Toner",
options = providerTileOptions(minZoom = 8, maxZoom = 10)) %>%
addTiles(group = "OSM",
options = providerTileOptions(minZoom = 8, maxZoom = 10)) %>%
addProviderTiles("Esri.WorldTopoMap",
group = "Topo") %>%
addProviderTiles("OpenStreetMap.Mapnik", group = "Mapnik") %>%
addProviderTiles("CartoDB.Positron", group = "CartoDB") %>%
addLayersControl(baseGroups = c("Toner", "OSM", "Topo", "Mapnik", "CartoDB"),
options = layersControlOptions(collapsed = TRUE))