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[mkgmap-dev] The 0x4b background polygon in the overview map

From Henning Scholland osm at hscholland.de on Fri Jan 12 16:27:36 GMT 2018

Hi Andrzej
For Africa it can be useful, as areas with drive on left /right are at
least roughly horizontal and vertical. Also you don't need overlapping
for this use case.

In general I also think, as soon as mkgmap can support non-rectangle
tiles, it will be better obsolete. Using non-rectangle map-area would be
a first step on that long way. Anyway we will need either splitter
generating all the necessary args-files as for polygon-desc-file or
mkgmap picking only tiles within or touching the giving poly file. I
estimate using splitter would be faster.


On 13.01.2018 00:11, Andrzej Popowski wrote:
> Hi Henning,
> > --polygon-desc-file=filename.osm
> Thanks for info. That's very interesting. Actually I would like
> similar processing for mkgmap, since I'm satisfied with standard
> splitting.
> But I see a good uses for this feature. I can create polygons for
> drive on left and drive on right countries. Then I hope splitter would
> create small tiles on borders of these areas, which would minimize
> size of area with wrong settings.

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