>> 1) http://github.com/jocelynj/viking/commits/dragdrop
>>
>> This branch contains one commit to make map drag and drop working
>> correctly - this means that when you click on the map, and keep the
>> button pressed, you should have the map moving with the mouse, like
>> on Openstreetmap website.
>>
>> I haven't check if this commit degrades viking performance, but I don't
>> think so.
>
> Hi,
>
> short notice, that this seems to result in map tiles being downloaded
> multiple times, when scrolling over a non-cached region with auto-download
> being on. I see multiple requests (short look at the logfile reveals up to
> ten) for the same tile, hitting the server at the same second, which is
> pretty bad.
>
> Sven
>
I can get similar behaviour if one zooms in/out quickly (compared to the speed
of the mapserver), so I don't think this is particularly because of the this
patch - just another way to request multiple tiles quickly.
Therefore I think Viking just adds it into the download queue without checking
whether it is already in the process of requesting it. I'm not familiar with
this part of the code, so I'm not actually sure .
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