[mkgmap-dev] addr:interpolation ways not along road

Tue Mar 24 09:30:21 GMT 2015

Hi,

On Tue, Mar 24, Gerd Petermann wrote:

> 2) On the other hand, a lot of the addr:interpolation
> ways in Canada are wrong, e.g.
> http://www.openstreetmap.org/way/75809612
> crosses the road.

Yes, North-America is suffering a lot from this automatic
imports. They hoped to have quick a base and then that mapper
will fix it, but in the end nobody was interested in fixing data,
what was there was good enough for them ...

> If mkgmap only ignores this wrong addr:interpolation
> way it will still use the obviously wrong odd house number
> 3367 for the road side that has even numbers.
> So, mkgmap should also ignore that number.
> As it is sometimes difficult to decide which of the two numbers is
> wrong, I decided that it is okay to ignore both.

If you find a wrong addr:interpolation, you should ignore not only the
way, but all the points, too. If the way is wrong, then the points
are most likely wrong, too.

  Thorsten

> I guess I have to find more detailed rules :-(
> 
> Gerd
> 
> 
> > Date: Tue, 24 Mar 2015 08:35:22 +0100
> > From: kukuk at suse.de
> > To: mkgmap-dev at lists.mkgmap.org.uk
> > Subject: Re: [mkgmap-dev] addr:interpolation ways not along road
> > 
> > 
> > Hi,
> > 
> > On Mon, Mar 23, GerdP wrote:
> > 
> > > Hi all,
> > > 
> > > I wonder if mkgmap should treat this a valid addr:interpolation way:
> > > http://www.openstreetmap.org/way/32922365
> > > 
> > > The wiki says:
> > > "How to interpolate the house numbers belonging to the way along the
> > > respective street."
> > > 
> > > but this way connects house numbers which are up to 170 m away from the road
> > > named Bergweg, so I think it is not "along" the respective street.
> > 
> > The addr:interpolation way is valid in the regard that it matches reality.
> > If this is good tagging is another question.
> > 
> > And if the street really stops that early: I don't know, the
> > pictures of bing and google are not good enough for this.
> > 
> > But I know that this will not really help you. 
> > 
> > Thorsten
> > 
> > -- 
> > Thorsten Kukuk, Senior Architect SLES & Common Code Base
> > SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nuernberg, Germany
> > GF: Felix Imendörffer, Jane Smithard, Jennifer Guild, Dilip Upmanyu, Graham Norton, HRB 21284 (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, Senior Architect SLES & Common Code Base
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nuernberg, Germany
GF: Felix Imendörffer, Jane Smithard, Jennifer Guild, Dilip Upmanyu, Graham Norton, HRB 21284 (AG Nürnberg)