View extent/bbox of spatial objects interactively

Source: R/extent.R

This function produces an interactive view of the extent/bbox of the supplied spatial object

viewExtent(
  x,
  map = NULL,
  popup = NULL,
  layer.name = NULL,
  alpha.regions = 0.2,
  label = NULL,
  ...
)

Arguments

x

either a Raster*, sf* or Spatial* object
map

a leaflet or mapview map the extent should be added to. If NULL standard background layers are created.
popup

a list of HTML strings with the popup contents, usually created from popupTable. See addControl for details.
layer.name

the name of the layer to be shown on the map.
alpha.regions

opacity of the fills or the raster layer(s).
label

a character vector of labels to be shown on mouseover. See addControl for details.
...

additional arguments passed on to addRectangles

Author

Tim Appelhans

Examples

library(leaflet)

viewExtent(breweries)
viewExtent(franconia) + breweries
mapview(franconia) %>% leafem::addExtent(franconia, fillColor = "yellow")
leaflet() %>% addProviderTiles("OpenStreetMap") %>% leafem::addExtent(breweries)
leaflet() %>% addProviderTiles("OpenStreetMap") %>% leafem::addExtent(breweries)