Running examples in 'infra-Ex.R' failed
The error most likely occurred in:

> ### Name: getInfra
> ### Title: An Infrastructure Proxy Function
> ### Aliases: getInfra
> ### Keywords: bing google infrastructure maps openstreetmap
> 
> ### ** Examples
> 
> # In this example, we'll build a very low resolution (two degrees per grid cell) grid of Japan,
> # retrieve the map values from Bing at zoom level 14, and render a simple map.
> 
> # First, define the latitude and longitude bounds of Japan and create a data frame.
> # (This uses a very restricted version of the territory of Japan for the sake of speed.)
> 
> lats <- rep(rev(seq(32,44, by=2)), each=7)
> lngs <- rep(seq(130,142, by=2), 7)
> 
> coords <- data.frame(lats,lngs)
> 
> infraBing <- getInfra(dataFrame = coords, zoom=14, server="bing")

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  |=====================                                                 |  31%Warning in download.file(url = urlToGet, destfile = "bingFileContents.txt",  :
  InternetOpenUrl failed: 'Das Zeitlimit für den Vorgang wurde erreicht.'
Error in download.file(url = urlToGet, destfile = "bingFileContents.txt",  : 
  cannot open URL 'http://ak.dynamic.t0.tiles.virtualearth.net/comp/ch/13211100233120?mkt=en-gb&it=G,VE,BX,L,LA'
Calls: getInfra -> download.file
Execution halted