[mkgmap-dev] new branch split-shape

Wed Jan 25 09:07:56 GMT 2017

Hi Ticker,

merging earlier seems to require quite heavy changes, so I gave up.

Gerd

________________________________________
Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag von Gerd Petermann <gpetermann_muenchen at hotmail.com>
Gesendet: Montag, 23. Januar 2017 11:01:11
An: mkgmap-dev at lists.mkgmap.org.uk
Betreff: Re: [mkgmap-dev] new branch split-shape

Hi Ticker,

Ticker Berkin wrote
> What aspect of sea polygons is getting worse?

GPSMapEdit reports that the shapes require more memory, I think that means
that --order-by-decreasing-area
option still creates more shapes. Same problem with background shapes
(0x4B).
A quick work around might be to place those large polygons into their own
sub divs.
I am experimenting with this idea and with an earlier shape merge.

Ticker Berkin wrote
> Once the new algo is shown not to cause problems: for quick/simple
> wins, I'd like to convert PolygonSplitter*, AreaClipper and
> MultiPolygonRelation to use the new code.

OK, go ahead.

Gerd

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