1\name{osmtile_bbox}
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3\alias{osmtile_bbox}
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5\title{compute the bounding box of an OpenStreetmap tile}
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7\description{inspired by \code{osmtile} from the package \code{OpenStreetmap}
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9returns the Mercator projection bounding box}
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11\usage{osmtile_bbox(x = 61, y = 41, zoom = 7, minim = -20037508)}
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13\arguments{
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15  \item{x}{x tile coordinate}
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17  \item{y}{x tile coordinate}
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19  \item{zoom}{zoom level}
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21  \item{minim}{parameter for OSM projection}
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23}
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27\value{bounding box, Mercator projection }
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31\author{Markus Loecher}
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