1\name{osmtile_bbox} 2 3\alias{osmtile_bbox} 4 5\title{compute the bounding box of an OpenStreetmap tile} 6 7\description{inspired by \code{osmtile} from the package \code{OpenStreetmap} 8 9returns the Mercator projection bounding box} 10 11\usage{osmtile_bbox(x = 61, y = 41, zoom = 7, minim = -20037508)} 12 13\arguments{ 14 15 \item{x}{x tile coordinate} 16 17 \item{y}{x tile coordinate} 18 19 \item{zoom}{zoom level} 20 21 \item{minim}{parameter for OSM projection} 22 23} 24 25 26 27\value{bounding box, Mercator projection } 28 29 30 31\author{Markus Loecher} 32 33 34 35 36 37 38 39 40 41 42 43