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

Tue Nov 12 21:45:48 GMT 2013

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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