This function adds PDOK tile layers to leaflet.
It is a small wrapper around addTiles that sets
the correct urls for the layers.
addPdokTiles(map, type = c("brt", "aerial", "pastel", "gray"),
group = match.arg(type), ...)leaflet object
one of the PDOK tiles: currently: "brt", "aerial", "pastel" or "gray"
group is set equal to type
Passed to addTiles.
PDOK provides tiles that can be used as a tile layer in several
geovisualization tools including leaflet.
The layers differ from other tile layers such as Openstreetmap, Google and
cartomap in the following manner:
The tiles are restricted to the Netherlands: tiles accross the Dutch border are "grayed out". This is useful for cartographic applications that are restricted to Dutch geo-information.
The tiles are open source and based on open sourced geo-information.