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POtimed delayed use of qmap() in R?
 

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  1. POtimed delayed use of qmap() in R?
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    <p>G'day,</p> <p>I am trying to learn how to use the ggmap package in R, but am getting stuck at the very beginning. All I am trying to do is use the qmap() function to download maps, but I am getting some very strange results. I have tried:</p> <pre><code>library(ggmap) aus&lt;- qmap('australia') aus&lt;- qmap('australia', zoom = 5) </code></pre> <p>and number of other locations and things. Sometimes a map is downloaded, but more often than not I get the following error message:</p> <pre><code>Error in download.file(url, destfile = destfile, quiet = !messaging, mode = "wb"): cannot open URL 'http://maps.googleapis.com/maps/api/staticmap?center=adelaide&amp;zoom=6&amp;size=%20640x640&amp;scale=%202&amp;maptype=terrain&amp;sensor=false' In addition: Warning message: In download.file(url, destfile = destfile, quiet = !messaging, mode = "wb") : cannot open: HTTP status was '403 Forbidden' </code></pre> <p>It will work correctly one time then 5 secs later when I try it again with the exact some code it wont work. </p> <p>From repeatedly using this function it seems like there is a time delay between its successful use. I have timed how long I have to wait between between successful uses, and it seems that 1 min is this thresh-hold. Also, every time I try to use the function, whether it is successful or not, it resets this 1 minute waiting time. </p> <p>Do places like google restrict how often you can download stuff? This is a little frustrating if I want to quickly check if a map is the appropriate size, etc. Has anyone had the same experience, know what I might be doing wrong, or know a way around this issue? </p> <p>Thanks in advance for your time and help!</p> <p>Cheers, Adam</p>
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    1. USAdam
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    1. COthe issue could simply be with the google api. Although for what it's worth, I just ran the small snippet you provided 10~15 times without any issue. Did you try to copy+paste the URL into your browser? It looks like it is just a small portion of the map you are downloading
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      1. USRicardo Saporta
    2. COGday Ricardo, yep I did try pasting it into the browser and it didnt work. It would say something about the source not being specified correctly or something. I will have to check out the api thing you mention and see whether that is restricting me. Also, it is only a small section of the map because i havent specified a larger range. Cheers
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      1. USAdam
    3. COThis problem only occurs when I am using my mobile as a wireless hotsopt... I don't really know what's going on, but not too much of a problem as long as I use proper internet!
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      1. USAdam
 

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