[mkgmap-dev] Housenumbers and unnamed roads

Tue Jun 18 19:24:34 BST 2013

Hi Chris,

mkgmaps current algorithm uses the addr:street tag to assign housenumber 
to road segment. I don't see that assigning housenumbers to roads with 
no road name is a good idea. I guess the rate of mistakes is too high.
So you problem could only be solved either by assigning a name to the 
service road or using one of the housenumber relations, which assign a 
house number to a road segment. Yet I didn't implement the support for 
any of it because all relations I have analyzed did have massive mapping 
errors and did not improve housenumber assignment.

By the way: The given house number is not assigned to the street "Ermen" 
because its distance is greater than 150m. It would be no problem to 
increase the max distance between housenumber and road segment (maybe 
300m?).

Have fun!
WanMil

> Hi,
>
> Question concerning the housenumber algorithm.
>
> Would in this situation:
>
> <http://www.openstreetmap.org/?lat=51.75231&lon=7.49462&zoom=18>
>
> the housenumber 26 assigned to the (unnamed) service road?
>
> If not, would it be difficult to implement this?
>
> So, the expected behavior is:
>
> If nearest road has no name: assign the addr:street to the street-name
> and apply house number logic.
>
> Chris
>
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