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[mkgmap-dev] A few thoughts on non-rectangular tiles

From GerdP gpetermann_muenchen at hotmail.com on Fri Dec 19 13:55:27 GMT 2014

Hi Andrzej,

as I wrote before I see no need to change splitter.
Even if we would be able to store and calculate the exact shape of
each element within splitter, we would have to write 
data outside of the polygon so that ways etc. are complete.
So, the only improvement would be a reduction of file sizes.
On the other hand, we will still need the same routines in 
mkgmap, as it should be able to process data that was not
written by splitter. 


popej wrote
> Hi Gerd,
> what about a simple solution, that could be used for tests?
> I mean to add a support for bounding poly to mkgmap as an input option, 
> for example:
> --bounding-poly=12345678.poly
> With this option mkgmap could define tile area as a common area of a 
> polygon and bounding box inside osm data.
> I think this could be used in template.args too, if splitter prepares 
> polygons for each tile.
> And we could create polygons manually for testing maps, even if splitter 
> doesn't support polygons yet.
> -- 
> Best regards,
> Andrzej
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> mkgmap-dev at .org

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