[mkgmap-dev] Bad performance because of complex boundary relation

Tue Jun 17 10:11:58 BST 2014

Hi all,

it seems that finally someone did it :-)

I assume that this will reduce the 
size of the bounds file for this area, so maybe you have to allow 
a decrease in the size of the bounds-latest.zip file.

Gerd

WanMil wrote
> Hi Gerd,
> 
> yes, this relation takes ~40% of processing time when precompiling 
> bounds of the whole world. Simplifying it would be great!
> 
> WanMil
> 
>> Hi,
>>
>> this might be an OSM problem...
>> While working on a "beautifyRoundabout" algo I wondered why one
>> tile in Southamerica needed a very long time to calculate.
>> It turned out to be a problem in the location hook.
>> The boundary relation 1981462 is a very complex polygon.
>> I don't see a simple solution in mkgmap, but
>> wouldn't it be better to create a simple way enclosing the area
>> to map this boundary?
>>
>> Gerd
>>
>>
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>> 

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>>
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