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

Tue Jan 24 21:57:19 GMT 2012

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
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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)