https://github.com/cran/RgoogleMaps
Tip revision: b5e196d9845d5ba39db630a02440e313ac81ba99 authored by Markus Loecher on 07 November 2018, 19:10:11 UTC
version 1.4.3
version 1.4.3
Tip revision: b5e196d
LatLon2XY.Rd
\name{LatLon2XY}
\alias{LatLon2XY}
\title{computes the coordinate transformation from lat/lon to map tile coordinates }
\description{The function LatLon2XY(lat,lon,zoom) computes the coordinate transformation from lat/lon to map tile coordinates given a zoom level.
It returns the tile coordinates as well as the pixel coordinates within the Tile itself. }
\usage{LatLon2XY(lat, lon, zoom)}
\arguments{
\item{lat}{latitude values to transform}
\item{lon}{longitude values to transform}
\item{zoom}{zoom level.lat,lon,zoom}
}
\value{A list with values
\item{Tile}{integer numbers specifying the tile}
\item{Coords}{pixel coordinate within the Tile}}
\author{Markus Loecher}
\note{The fractional part times 256 is the pixel coordinate within the Tile itself. }
\examples{
LatLon2XY(38.45, -122.375, 11)
}