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!r6OT24vLy1KCTaM6ZHJP2VTOdtyaOnF1GenO6xjygyY 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@lists.mkgmap.org.uk> im Auftrag von Ticker Berkin <rwb-mkgmap@jagit.co.uk> Gesendet: Mittwoch, 23. November 2016 13:39:16 An: mkgmap-dev@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
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