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[mkgmap-dev] mkgmap r2179: Still NullPointerException in BoundaryUtil

From Thorsten Kukuk kukuk at suse.de on Thu Jan 26 10:34:06 GMT 2012

On Thu, Jan 26, Gerd Petermann wrote:

> 
> Hi Thorsten,
> 
> please try the attached patch. It is not elegant, but I think it will solve the problem.
> As mentioned before, the problem is caused by rounding errors, so I've coded a check 
> that detects when this situation happens. Area parts that cause this error are removed.
> If you like, you can unncomment the lines around GpxCreator to write the deleted parts
> to files.

Hm, somehow I'm not able to apply the patch, I only got rejects,
but the patch should fit ...

> ciao,
> Gerd
> 
> > Date: Wed, 25 Jan 2012 08:11:30 +0100
> > From: kukuk at suse.de
> > To: mkgmap-dev at lists.mkgmap.org.uk
> > Subject: Re: [mkgmap-dev] mkgmap r2179: Still NullPointerException	in	BoundaryUtil
> > 
> > 
> > 
> > Hi Gerd,
> > 
> > On Tue, Jan 24, Gerd Petermann wrote:
> > 
> > > 
> > > Hi Thorsten,
> > > 
> > > don't worry, the patch was not meant to fix your problem. 
> > > It just adds a method to class Way, but the method is not even called anywhere.
> > 
> > Sorry, was clearly too late yesterday for me, I should have seen that
> > the new method isn't called anywhere :(
> > 
> >   Thorsten
> > 
> > > 
> > > > Date: Tue, 24 Jan 2012 22:57:19 +0100
> > > > From: kukuk at suse.de
> > > > To: mkgmap-dev at lists.mkgmap.org.uk
> > > > Subject: Re: [mkgmap-dev] mkgmap r2179: Still NullPointerException	in	BoundaryUtil
> > > > 
> > > > 
> > > > Hi Gerd,
> > > > 
> > > > On Tue, Jan 24, Gerd Petermann wrote:
> > > > 
> > > > > Hi WanMil,
> > > > > 
> > > > > I have coded a small test that tries to detect these "spike-like" areas. Idea: 
> > > > > If the area size is much smaller (I used 20 as a threshold) than that of the bounding box we should remove 
> > > > > the way from the area.
> > > > 
> > > > This patch does at least not fix my problem, still get exact the
> > > > same stack trace.
> > > > 
> > > >   Thorsten
> > > > 
> > > > 
> > > > > I am not sure regarding the threshold value, but I think the principle is ok. 
> > > > > What do you think?
> > > > > 
> > > > > Gerd
> > > > > 
> > > > > 
> > > > > > Date: Tue, 24 Jan 2012 08:04:47 -0800
> > > > > > From: gpetermann_muenchen at hotmail.com
> > > > > > To: mkgmap-dev at lists.mkgmap.org.uk
> > > > > > Subject: Re: [mkgmap-dev] mkgmap r2179: Still NullPointerException in	BoundaryUtil
> > > > > > 
> > > > > > Hi Thorsten,
> > > > > > 
> > > > > > I can confirm this problem. I can repdroduce it with a "boundary" which
> > > > > > contains these 4 points:
> > > > > > [2412980/371559, 2412981/371558, 2412992/371544, 2412980/371559]
> > > > > > The Way.clockwise() method says it is counter-clockwise.
> > > > > > Besides rounding errors, it is a line, not a shape, and I guess that causes
> > > > > > the problem. The clockwise() method calculates an area size of 3, which is
> > > > > > almost zero.
> > > > > > 
> > > > > > It is quite likely that the intersection of two areas produces these "nearly
> > > > > > empty" (parts of) areas, what we need is a filter that throws them away. 
> > > > > > 
> > > > > > I am not sure if WanMil is already working on this?
> > > > > > 
> > > > > > Gerd
> > > > > > 
> > > > > > 
> > > > > > Thorsten Kukuk wrote
> > > > > > > 
> > > > > > > Hi,
> > > > > > > 
> > > > > > > I compiled mkgmap r2179 and tried to create the bounds files with
> > > > > > > it:
> > > > > > > 
> > > > > > > osmconvert data/planet/planet-120122.osm.pbf --out-o5m
> > > > > > > osmfilter data/boundaries/world-20120122.o5m --keep-nodes=
> > > > > > > '--keep-ways-relations=boundary=administrative =postal_code postal_code='
> > > > > > > mkgmap --createboundsfile=data/boundaries/boundaries-20120122.osm.gz
> > > > > > > --bounds=data/boundaries/20120122
> > > > > > > Schwerwiegend (BoundarySaver): Calculate bbox to
> > > > > > > (-90.12222290039062,-180.24444580078125) to
> > > > > > > (82.6120376586914,179.17156219482422)
> > > > > > > Exception in thread "main" java.lang.NullPointerException
> > > > > > >         at
> > > > > > > uk.me.parabola.mkgmap.reader.osm.boundary.BoundaryUtil.loadBoundaryFile(BoundaryUtil.java:169)
> > > > > > >         at
> > > > > > > uk.me.parabola.mkgmap.reader.osm.boundary.BoundaryPreparer.workoutBoundaryRelations(BoundaryPreparer.java:144)
> > > > > > >         at
> > > > > > > uk.me.parabola.mkgmap.reader.osm.boundary.BoundaryPreparer.run(BoundaryPreparer.java:110)
> > > > > > >         at uk.me.parabola.mkgmap.main.Main.endOptions(Main.java:333)
> > > > > > >         at
> > > > > > > uk.me.parabola.mkgmap.CommandArgsReader.readArgs(CommandArgsReader.java:126) 
> > > > > > >         at uk.me.parabola.mkgmap.main.Main.main(Main.java:112)
> > > > > > > Command exited with non-zero status 1
> > > > > > > 
> > > > > > > 
> > > > > > >  Thorsten
> > > > > > > 
> > > > > > > -- 
> > > > > > > Thorsten Kukuk, Project Manager/Release Manager SLES
> > > > > > > SUSE LINUX Products GmbH, Maxfeldstr. 5, D-90409 Nuernberg
> > > > > > > GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer, HRB 16746 (AG Nürnberg)
> > > > > > > _______________________________________________
> > > > > > > mkgmap-dev mailing list
> > > > > > > mkgmap-dev at .org
> > > > > > > http://www.mkgmap.org.uk/mailman/listinfo/mkgmap-dev
> > > > > > > 
> > > > > > 
> > > > > > 
> > > > > > --
> > > > > > View this message in context: http://gis.638310.n2.nabble.com/mkgmap-r2179-Still-NullPointerException-in-BoundaryUtil-tp7215004p7220841.html
> > > > > > Sent from the Mkgmap Development mailing list archive at Nabble.com.
> > > > > > _______________________________________________
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> > > > > 
> > > > >  		 	   		  
> > > > 
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> > > > 
> > > > -- 
> > > > Thorsten Kukuk, Project Manager/Release Manager SLES
> > > > SUSE LINUX Products GmbH, Maxfeldstr. 5, D-90409 Nuernberg
> > > > GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer, HRB 16746 (AG Nürnberg)
> > > > _______________________________________________
> > > > mkgmap-dev mailing list
> > > > mkgmap-dev at lists.mkgmap.org.uk
> > > > http://www.mkgmap.org.uk/mailman/listinfo/mkgmap-dev
> > >  		 	   		  
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> > 
> > -- 
> > Thorsten Kukuk, Project Manager/Release Manager SLES
> > SUSE LINUX Products GmbH, Maxfeldstr. 5, D-90409 Nuernberg
> > GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer, HRB 16746 (AG Nürnberg)
> > _______________________________________________
> > mkgmap-dev mailing list
> > mkgmap-dev at lists.mkgmap.org.uk
> > http://www.mkgmap.org.uk/mailman/listinfo/mkgmap-dev
>  		 	   		  

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-- 
Thorsten Kukuk, Project Manager/Release Manager SLES
SUSE LINUX Products GmbH, Maxfeldstr. 5, D-90409 Nuernberg
GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer, HRB 16746 (AG Nürnberg)



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