Convert a lon/lat coordinate to a tile coordinate
Convert a lon/lat coordinate to a tile coordinate for a given zoom. Decimal tile coordinates (x, y) are reported.
LonLat2XY(lon_deg, lat_deg, zoom, xpix = 256, ypix = 256)
lon_deg |
longitude in degrees |
lat_deg |
latitude in degrees |
zoom |
zoom |
xpix |
width of tile in pixels |
ypix |
length of tile in pixels |
a data frame with columns X, Y, x, y
David Kahle david.kahle@gmail.com, based on function LatLon2XY by Markus Loecher, Sense Networks markus@sensenetworks.com in package RgoogleMaps
## Not run:
gc <- geocode('baylor university')
LonLat2XY(gc$lon, gc$lat, 10)
## End(Not run)Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.