[mkgmap-dev] address search and mixed index

Thu Feb 26 10:02:49 GMT 2015

Hi Thorsten,

thanks for the quick feedback. I agree that this
is a case that should be fixed in OSM, esp.
as I found another part of L340 which has name=Stühren.

Similar problem for mkgmap : 
Unnamed service roads leading to many houses with addr:street tag.
I wonder if mkgmap could give them the name of the road 
so that address search finds them in the service road while road search 
would only show the original list. That's why I used "mixed index"
in the subject. What do Garmin maps show in these cases?

Gerd

> Date: Thu, 26 Feb 2015 10:55:07 +0100
> From: kukuk at suse.de
> To: mkgmap-dev at lists.mkgmap.org.uk
> Subject: Re: [mkgmap-dev] address search and mixed index
> 
> On Thu, Feb 26, Gerd Petermann wrote:
> 
> > Hi all,
> > 
> > maybe you can help me with an open problem. I am not sure sure if this is 
> > a case of "garbage-in -> garbage-out" or not.
> > 
> > I see a lot of houses with plausible tags addr:housenumber and addr:street
> > which are close to a road that has no name or a different name.
> > 
> > A typical example is a village like Stühren:
> > http://www.openstreetmap.org/node/378300184#map=17/52.89235/8.71508
> >
> > Almost all buildings are all tagged with addr:street="Stühren", 
> > but the main road through the village is the L340:
> > http://www.openstreetmap.org/way/26701165
> > which has no name and many buildings are close to it.
> 
> I'm pretty sure that this is a bug in the OSM data.
> According to several source the L340 in Stuehren is called "Stuehren", too.
> I had that already in my old hometown: at some point in the past somebody
> did remove the street names from all streets, which are B* or L*.
>  
> > I think the postal address for these buildings is really something like 
> > "Stühren 28, 27211 Bassum,Germany"
> 
> Yes, that's correct.
> 
> > With trunk and r3477 in the housenumber2 branch I see rather bad results 
> > for this  because the housenumbers are only added to those roads that
> > have the name "Stühren".
> > I wonder if the housenumber option should add the name "Stühren" to
> > (a part of) L340 ?
> 
> Adding the name to a part of L340 would be the right thing. But
> this should be done in the OSM data, not by mkgmap.
> 
> My problem with the automatic mkgmap approach is: there are
> enough cases, where you cannot reach from such a road the building.
> 
>   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)
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