ggmap (version 2.6.1)

LonLat2XY: Convert a lon/lat coordinate to a tile coordinate

Description

Convert a lon/lat coordinate to a tile coordinate for a given zoom. Decimal tile coordinates (x, y) are reported.

Usage

LonLat2XY(lon_deg, lat_deg, zoom, xpix = 256, ypix = 256)

Arguments

lon_deg

longitude in degrees

lat_deg

latitude in degrees

zoom

zoom

xpix

width of tile in pixels

ypix

length of tile in pixels

Value

a data frame with columns X, Y, x, y

See Also

http://wiki.openstreetmap.org/wiki/Slippy_map_tilenames

Examples

# NOT RUN {

# }
# NOT RUN {
gc <- geocode('baylor university')
LonLat2XY(gc$lon, gc$lat, 10)

# }
# NOT RUN {
# }

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