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[mkgmap-dev] mkgmap:drawLevel and --order-by-decreasing-area

From Ticker Berkin rwb-mkgmap at jagit.co.uk on Thu Nov 24 15:49:38 GMT 2016

Hi Gerd

http://files.mkgmap.org.uk/download/314/tstArea.zip

This contains simple shell script, options file, style and single tile

Ticker

On Thu, 2016-11-24 at 11:45 +0000, Gerd Petermann wrote:
> Hi Ticker,
>  
> I thought you have a small test case. It would be great if you can
> reproduce it with only one tile
> and post a link to the needed package.
>  
> Gerd
>  
>  
> Von: Ticker Berkin
> Gesendet: Donnerstag, 24. November 2016 12:25
> An: mkgmap-dev at lists.mkgmap.org.uk
> Betreff: Re: [mkgmap-dev] mkgmap:drawLevel and --order-by-decreasing
> -area
>  
> Hi Gerd
> 
> After thinking I'd found the problem and stopping it (horizontal &
> vertical flat areas), I thought I'd better test on rheinskipper1000's
> data, so I downloaded all of
> 
> ... from list mail: Fri, 18 Nov 2016 14:58:01 +0100
> Here it is:
> https://mega.nz/#!VVcjRIIY!r6OT24vLy1KCTaM6ZHJP2VTOdtyaOnF1GenO6xjygy
> Y
> 
> Unfortunately is really big. I also tried it with small input but had
> no errors then. 
> ...
> 
> (it is >2G)
> 
> and discovered other orientations as well. Only 10 occurrences in 141
> tiles. His tile 63210102.osm.pbf has 3 examples.
> 
> from areas.list
> 63210102: 2449408,266240 to 2469888,284672
> #       : 52.558594,5.712891 to 52.998047,6.108398
> 
> I can extract and send you his command line, -c options and style if
> it
> would help. Not sure if his sea.zip is relevant.
> 
> Regards
> Ticker
> 
> On Thu, 2016-11-24 at 06:57 +0000, Gerd Petermann wrote:
> > Hi Ticker,
> > 
> > thanks for the patch. I was not yet able to reproduce the problem
> > reported by rheinskipper1000.  Do you have a test case for me?
> > 
> > Gerd
> > Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag
> > von Ticker Berkin <rwb-mkgmap at jagit.co.uk>
> > Gesendet: Mittwoch, 23. November 2016 13:39:16
> > An: mkgmap-dev at lists.mkgmap.org.uk
> > Betreff: Re: [mkgmap-dev] mkgmap:drawLevel and --order-by
> -decreasing
> > -area
> >  
> > Hi Gerd
> > 
> > Attached patch stops the errors from shapeMergeFilter. The java2D
> > intersect.() / converter used for clipping sometimes generates
> > flattened shapes which I now check for and chuck away.
> > 
> > I've also moved the code that shares common coord.
> > 
> > The patch is independent of the pending drawLevel patch
> > 
> > Ticker
> > 
> > 
> > 
> > On Sat, 2016-11-19 at 10:46 +0000, Ticker Berkin wrote:
> > > Your right - it is big. My system didn't want to download it
> > without
> > > installing some add-ons which I don't want to do at the moment.
> > > 
> > > However, I have reproduced the same diagnostic from one of my
> maps
> > > and
> > > am investigating that. It is more related to --order-by-.. than
> > > mkgmap:drawLevel and the boundaries of different precisions used
> by
> > > mkgmap.
> > > 
> > > Looking at the map output at a very high resolution in the
> problem
> > > area, I can't see any difference between when I get the error and
> > > when
> > > I've made it not happen by some trickery.
> > > 
> > > I should be able to come up with the correct fix in a day or two.
> > > 
> > > Ticker
> > > 
> > > _______________________________________________
> > > mkgmap-dev mailing list
> > > mkgmap-dev at lists.mkgmap.org.uk
> > > http://www.mkgmap.org.uk/mailman/listinfo/mkgmap-dev
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