[mkgmap-dev] Proof of concept for better sea in overview map

Fri Jun 11 14:47:34 BST 2021

Hi Gerd

I've found this problem - a very flat polygon became a line.

Ticker

On Fri, 2021-06-11 at 10:33 +0100, Ticker Berkin wrote:
> Hi Gerd
> 
> I'm having trouble building GB with low-res-opt (+updated
> shapeSplitter), my style and options
> 
> getting this error:
> 
> Exception in thread "main" java.lang.AssertionError
>         at
> uk.me.parabola.mkgmap.filters.ShapeMergeFilter.addWithConnectedHoles(
> Sh
> apeMergeFilter.java:352)
>         at
> uk.me.parabola.mkgmap.filters.ShapeMergeFilter.tryMerge(ShapeMergeFil
> te
> r.java:252)
>         at
> uk.me.parabola.mkgmap.filters.ShapeMergeFilter.mergeSimilar(ShapeMerg
> eF
> ilter.java:147)
>         at
> uk.me.parabola.mkgmap.filters.ShapeMergeFilter.merge(ShapeMergeFilter
> .j
> ava:99)
>         at
> uk.me.parabola.mkgmap.build.MapBuilder.makeSubdivision(MapBuilder.jav
> a:
> 940)
>         at
> uk.me.parabola.mkgmap.build.MapBuilder.makeMapAreas(MapBuilder.java:8
> 38
> )
>         at
> uk.me.parabola.mkgmap.build.MapBuilder.makeMap(MapBuilder.java:333)
>         at
> uk.me.parabola.mkgmap.main.MapMaker.makeMap(MapMaker.java:114)
>         at
> uk.me.parabola.mkgmap.main.MapMaker.makeMap(MapMaker.java:70)
>         at
> uk.me.parabola.mkgmap.main.Main.lambda$processFilename$1(Main.java:29
> 0)
>         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
>         at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.
> ja
> va:1142)
>         at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor
> .j
> ava:617)
>         at java.lang.Thread.run(Thread.java:745)
> 
> and quite a few tiles empty, but the matching ovm_ are generated.
> 
> I'll try and reproduce in simpler environment.
> 
> Ticker
> 
> 
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