[mkgmap-dev] House numbers

Sun Sep 17 16:18:46 BST 2023

Hi Michael,

a road can have up to 4 labels, in your case the first label is an empty string and the second label is the name of the place.
In the Garmin IMG format the housenumbers are stored as intervals along road segments. Typical roads in Germany have odd numbers on one side and even numbers on the other.
Such information is stored with the road data so that Garmin software can interpolate the position of e.g number 6 or 17 in such a road.
With addr:place numbers there is typically no such order, numbers often appear to be random. Therefore mkgmap often places an interval with equal start and end number at the position of the
addr:place node.

Reg. your problem: Basecmp displays (only) the first label, this is the empty string.

I've not compiled the suggested patch sofar because I've learned that mgkmap often adds unexpected labels to unnamed roads. This is done to handle unnamed service roads but also happens for other unnamed roads. I've got to find out how to improve that, as it really sometimes produces wrong results when you search for addresses.

BTW: When you search for an address with an addr:place with the address search, Basecamp displays a list of hits. If you click on that list Basecamp shows the target with the place name. I think that's what you want?

Gerd

________________________________________
Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag von Forstner Michael <forstner-m at a1.net>
Gesendet: Sonntag, 17. September 2023 15:24
An: 'Development list for mkgmap'
Betreff: Re: [mkgmap-dev] House numbers

Hello Gerd,

I can try contacting Garmin but that will not be easy. But what I need to
know beforehand is why only the house number is displayed in BaseCamp and on
the Garmin devices. This has to be put on the road by mkgmap. Can you
explain that better.
Have you already compiled the new source code? Where can I download this?

Thank you!

Best regards,
Michael

-----Ursprüngliche Nachricht-----
Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> Im Auftrag von Gerd
Petermann
Gesendet: Sonntag, 17. September 2023 15:03
An: Development list for mkgmap <mkgmap-dev at lists.mkgmap.org.uk>
Betreff: Re: [mkgmap-dev] House numbers

Hi Micheal,

I've no idea how to force the rendering of further labels in Basecamp. Maybe
you can ask Garmin why they don't display the other labels?
There might even be a special label to force that, but I have no idea what
that would be.

Another altervative could be that there is a special character which could
be added to the 1st label so that it is not rendered on the map but shown
with the address info.

The question is if Garmin will tell us such a trick...

Gerd

________________________________________
Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag von
Forstner Michael <forstner-m at a1.net>
Gesendet: Sonntag, 17. September 2023 14:45
An: 'Development list for mkgmap'
Betreff: Re: [mkgmap-dev] House numbers

Hello,

however, with the current implementation we have the problem that the street
name only gets the house number (see attachment). From my point of view,
that is not okay. BaseCamp simply needs a street name to display this
correctly. In OSM, the street names can remain unchanged or unnamed.

Thank you!

Best regards,
Michael

-----Ursprüngliche Nachricht-----
Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> Im Auftrag von 7770
Gesendet: Sonntag, 17. September 2023 14:34
An: Development list for mkgmap <mkgmap-dev at lists.mkgmap.org.uk>
Betreff: Re: [mkgmap-dev] House numbers

Hi.
I have misunderstood.
What i really wanted to say is that i dont think a change is needed.
If there is no roadname, there is none.
Searching for an address with help of the place name (entered as a street
name on garmin device) + the number will find the correct location anyway.

Regards
Karl

On söndag 17 september 2023 13:51:14 CEST Gerd Petermann wrote:
> Hi Karl,
>
> does that also mean you would also want to render the place name on
> all the unnamed roads which have a nearby addr:place address?
>
> In my area there are lots of small places and someone mapped them
> using addr:street=<place name> and also name=<place name> on various
> roads. I found that very irritating since I knew that these roads
> don't
have names.
> It took a lot of time to change the tagging to addr:place and remove
> the wrong road names since I had to visit all of them to make sure
> that there really was no sign stating the name. I can't think of any
> reason to display a wrong road name. What am I missing here?
>
> Gerd
>
> ________________________________________
> Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag
> von 7770 <7770 at foskan.eu> Gesendet: Sonntag, 17. September 2023 09:46
> An: 'Development list for mkgmap'
> Betreff: Re: [mkgmap-dev] House numbers
>
> Hi.
>
> I tend to agree with Michel.
> I can only look to Sweden and Poland where small locations have a name
> of the place (addr:place), no streets/roads names but all houses on
> all those streets have different numbers related to that place, rather
> than the normal relation to a street/road.
>
> Regards
> Karl
>
> On söndag 17 september 2023 09:15:21 CEST Forstner Michael wrote:
> > Hello Gerd,
> >
> > I hope that you in OSM do not remove the street names when there are
> > houses with addr:street nearby. That would be wrong. With addr:place
> > the streets should not have a name.
> >
> > I thought the process was not that easy. Changing the logic could
> > solve the problem. But maybe it has other side effects and so we
> > should try it. Have you perhaps already compiled the change?
> >
> > Thank you!
> >
> > Best regards
> > Michael
> >
> >
> > _______________________________________________
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> > mkgmap-dev at lists.mkgmap.org.uk
> > https://www.mkgmap.org.uk/mailman/listinfo/mkgmap-dev
>
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