[mkgmap-dev] new branch split-shape

Wed Jan 25 15:15:36 GMT 2017

Hi Gerd

OK.

Re. sea polygons: These shouldn't go into their own subDivision because
it will stop mkgmap:drawLevel from working correctly.

Ticker

PS I've committed more changes to branches/split-shape, including my
initial changes to MultiPolygonRelation - Take this if you want, so far
it doesn't have any dependencies on the new algo

Ticker

On Wed, 2017-01-25 at 09:07 +0000, Gerd Petermann wrote:
> 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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