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[mkgmap-dev] [Patch v2] LocationHook with new Quadtree

From GerdP gpetermann_muenchen at hotmail.com on Thu Jan 12 19:52:39 GMT 2012

sorry, here it is

http://gis.638310.n2.nabble.com/file/n7181487/locationHook_speedup_v2.patch
locationHook_speedup_v2.patch 

Gerd


WanMil wrote
> 
> Gerd,
> 
> can you please post a patch that is patched against the latest revision 
> (r2166)?
> 
> Thanks!
> WanMil
> 
>> Hi,
>>
>> attached is a patch that implements LocationHook with a new Quadtree.
>> With my test data, it makes mkgmap about 10% faster.
>>
>> Remarks:
>> - Some Nodes and ways are not found. I think that's because they lie
>> exactly
>> on boundaries. The same problem occurs with mkgmap from trunk. As a work
>> around I suggest to search those nodes again with coords decreased by 1.
>> - More time may be saved if we manage to save the preprocessed boundary
>> data
>> in a format that can be directly loaded into the quadtree.
>>
>> http://gis.638310.n2.nabble.com/file/n7181376/locationHook_speedup.patch
>> locationHook_speedup.patch
>>
>> ciao,
>> Gerd
>>
>> --
>> View this message in context:
>> http://gis.638310.n2.nabble.com/Patch-v1-LocationHook-with-new-Quadtree-tp7181376p7181376.html
>> Sent from the Mkgmap Development mailing list archive at Nabble.com.
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> 
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