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Remove one or more features from a map, identified by layerId; or, clear all features of the given type or group.

Usage

removeControl(map, layerId)

clearControls(map)

clearGroup(map, group)

removeImage(map, layerId)

clearImages(map)

removeTiles(map, layerId)

clearTiles(map)

removePopup(map, layerId)

clearPopups(map)

removeMarker(map, layerId)

clearMarkers(map)

removeMarkerCluster(map, layerId)

clearMarkerClusters(map)

removeMarkerFromCluster(map, layerId, clusterId)

removeShape(map, layerId)

clearShapes(map)

removeGeoJSON(map, layerId)

clearGeoJSON(map)

removeMeasure(map)

removeTopoJSON(map, layerId)

clearTopoJSON(map)

Arguments

map

a map widget object, possibly created from leaflet() but more likely from leafletProxy()

layerId

character vector; the layer id(s) of the item to remove

group

the name of the group whose members should be removed

clusterId

the id of the marker cluster layer

Value

the new map object

Note

When used with a leaflet map object, these functions don't actually remove the features from the map object, but simply add an operation that will cause those features to be removed after they are added. In other words, if you add a polygon "foo" and the call removeShape("foo"), it's not smart enough to prevent the polygon from being added in the first place; instead, when the map is rendered, the polygon will be added and then removed.

For that reason, these functions aren't that useful with leaflet map objects and are really intended to be used with leafletProxy() instead.

WMS tile layers are extensions of tile layers, so they can also be removed or cleared via removeTiles() or clearTiles().