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[mkgmap-dev] [Patch v1] improve filters to reduce artifacts in shapes at lower resolutions

From Gerd Petermann GPetermann_muenchen at hotmail.com on Wed Jul 27 18:07:23 BST 2016

Hi Andrzej,


I think the current code marks all road junctions, this should also work

at lower resolutions. Can you give an example node where it doesn't work?

Maybe this happens with overlay lines ?


Gerd

________________________________
Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag von Andrzej Popowski <popej at poczta.onet.pl>
Gesendet: Mittwoch, 27. Juli 2016 18:03:22
An: mkgmap-dev at lists.mkgmap.org.uk
Betreff: Re: [mkgmap-dev] [Patch v1] improve filters to reduce artifacts in shapes at lower resolutions

Hi Gerd,

a bit off-topic but similar problem.

Could you apply important points to line objects too? Important points
would be points, where line objects are crossed. I think you already
find important points for roads on routable map and layer 0. You could
preserve them on upper layers. And maybe would be possible to find
important points for other line objects too.

The reason for this is that simplification doesn't preserve line
crossing. For example T-like crossroad can become 2 separate lines. This
is mostly invisible, but looks bad when spotted.

--
Best regards,
Andrzej
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