[mkgmap-dev] special case where splitting fails without a log message

Thu May 27 15:47:57 BST 2021

Hi Gerd

next patch also has a problem - sorry to waste your time.
Can I have your test data.

Ticker

On Thu, 2021-05-27 at 14:33 +0000, Gerd Petermann wrote:
> Hi Ticker,
> 
> with my current test environment the patch doesn't improve the
> result.
> It reports some errors (the old code didn't always detect them) and
> eithers add or removes parts of the heavily merged shapes.
> 
> I've inspected one shape and found no obvious problem. No point is
> visited more then twice, but 167 points are visited twice. Let me
> know if you need the data.
> 
> Gerd
> 
> ________________________________________
> Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag
> von Ticker Berkin <rwb-mkgmap at jagit.co.uk>
> Gesendet: Donnerstag, 27. Mai 2021 16:09
> An: Development list for mkgmap
> Betreff: Re: [mkgmap-dev] special case where splitting fails without
> a log message
> 
> Thanks Gerd, that works for me
> 
> Ticker
> 
> On Thu, 2021-05-27 at 12:54 +0000, Gerd Petermann wrote:
> > Hi Ticker,
> > 
> > I first convert the gpx layer to a data layer, then add the tag
> > natural=water
> > Next execute validator which will complain that the way is not
> > closed.
> > Right click on that warning allows to "zoom to problem" .
> > This tells you where the first point is.
> > 
> > In the "OSM data" preferences I've enabled "Draw segment order
> > numbers on selected way"
> > 
> > Hope this helps.
> > 
> > Gerd
> > 
> > ________________________________________
> > Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag
> > von Ticker Berkin <rwb-mkgmap at jagit.co.uk>
> > Gesendet: Donnerstag, 27. Mai 2021 14:21
> > An: Development list for mkgmap
> > Betreff: Re: [mkgmap-dev] special case where splitting fails
> > without
> > a log message
> > 
> > Hi Gerd
> > 
> > Trying to use JOSM to decide if a gpx trace represents a self
> > -intersecting polygon is difficult. Is there a way of forcing it to
> > consider it closed and then check itself? Failing that, number the
> > points or segments somehow.
> > 
> > Ticker
> > 
> > 
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