Uses Leaflet's built-in scale bar feature to add a scale bar.
addScaleBar( map, position = c("topright", "bottomright", "bottomleft", "topleft"), options = scaleBarOptions() ) scaleBarOptions( maxWidth = 100, metric = TRUE, imperial = TRUE, updateWhenIdle = TRUE ) removeScaleBar(map)
map | the map to add the scale bar to |
---|---|
position | position of control: "topleft", "topright", "bottomleft", or "bottomright" |
options | a list of additional options, intended to be provided by
a call to |
maxWidth | maximum width of the control in pixels (default 100) |
metric | if |
imperial | if |
updateWhenIdle | if |