Calculate the bounding box for a tile in latitude and longitude
Usage
tile_bbox(x, y, zoom)
Arguments
x
slippy map tile x number
y
slippy map tile y number
zoom
zoom level for tile
Value
an sf bbox object.
Details
Given a slippy maps tile specified by `x`, `y`, and `zoom`, return the
an `sf` bounding box object for the tile with units in metres using the
EPSG:3857 coordinate reference system (Web Mercator).