leafem: updateLayersControl – R documentation

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updateLayersControl

Update the layer controls when adding layers to an existing map.

Description

When adding additional base layers or overlay layers to an existing map, updateLayersControl will either update the existing layers control or add a new one if map has none.

Usage

updateLayersControl(
  map,
  addBaseGroups = character(0),
  addOverlayGroups = character(0),
  position = "topleft",
  ...
)

Arguments

`map`	A `leaflet` or `mapview` map.
`addBaseGroups`	group names of base layers to be added to layers control.
`addOverlayGroups`	group names of overlay layers to be added to layers control.
`position`	position of control: "topleft", "topright", "bottomleft", or "bottomright".
`...`	Further arguments passed to `addLayersControl`.

Value

A leaflet map object.

Examples

library(leaflet)

map = leaflet() %>%
        addProviderTiles("OpenStreetMap", group = "OSM") %>%
        addProviderTiles("CartoDB.DarkMatter", group = "dark") %>%
        addCircleMarkers(data = breweries91, group = "brew")

map # no layers control

map %>%
  updateLayersControl(addBaseGroups = c("OSM", "dark"),
                      addOverlayGroups = "brew")

leafem

'leaflet' Extensions for 'mapview'

v0.1.3

MIT + file LICENSE

Authors

Tim Appelhans [cre, aut], Christoph Reudenbach [ctb], Kenton Russell [ctb], Jochen Darley [ctb], Daniel Montague [ctb] (Leaflet.EasyButton plugin), Lorenzo Busetto [ctb], Luigi Ranghetti [ctb], Miles McBain [ctb], Sebastian Gatscha [ctb], Björn Harrtell [ctb] (FlatGeobuf plugin), Daniel Dufour [ctb] (georaster-layer-for-leaflet)

Initial release

2020-07-19