LatLon2XY.centered {RgoogleMaps}R Documentation

computes the centered coordinate transformation from lat/lon to map tile coordinates

Description

The function LatLon2XY.centered(MyMap, lat,lon,zoom) computes the coordinate transformation from lat/lon to map tile coordinates given a map object.

Usage

LatLon2XY.centered(MyMap, lat, lon, zoom)

Arguments

MyMap map object
lat latitude values to transform
lon longitude values to transform
zoom optional zoom level. If missing, taken from MyMap

Value

properly scaled and centered (with respect to the center of MyMap ) coordinates

newX transformed longitude
newY transformed latitude

Author(s)

Markus Loecher, Sense Networks <markus@sensenetworks.com>

See Also

LatLon2XY Tile2R


[Package RgoogleMaps version 1.1.3 Index]