[Imports] Address import for Biella

[Rafael Avila Coya]

Hi, Andrea:

Thank you for your dedication to this interesting address data import.

I have opened the already merged osm file [1].

I think the quality of the data is really good in general in what
respects to the location of the nodes, although some of them seem to lie
over the road they belong too [2]. I don't see that a big concern, as
they are quite rare, and moreover this could be due to a not well
aligned Bing imagery.

But what I see a serious concern is the big number of groups of
addresses of the kind 4, 4a, 4b, 4c...

Let's see, as an example, this image in Via Giovanni Crestani: [3]

There we can see one building with the addr:housenumber=4 on it, but
then a row of 17 addr:housenumber that range from 4a up to 4t, that are
surrounding the house, some of them stretching quite far from it, nearer
to the house 6 and 19 than to the 4.

The same happens with numbers 6, 17, 19, 21 and 30 in this example only.
Moreover, node number 8 doesn't exist in the group of 9 nodes that go
from 8a up to 8i.

My opinion is that these nodes should be replaced by only one. In the
case of the groups of 4, 6, 17, 21 and 30 I would ignore (not import)
all the nodes with letter, so keeping only the node addr:housenumber=4 ,
6, etc., and in the cases like the 8, I would create a new
addr:housenumber=8 as the centroid of the nodes 8a, 8b... 8i.

This is a quick idea, but there may be smarter ones to deal with this.

What do you think?

Cheers,

Rafael.

[1] https://dl.dropboxusercontent.com/u/12575912/biella_civici_od_merged.osm
[2] https://www.dropbox.com/s/rhu2at49o8uxjnk/nodeOverRoad.png?dl=0
[3] https://www.dropbox.com/s/kslifat769bjum0/numberPlusLetters.png?dl=0

On 21/11/14 06:15, Andrea Musuruane wrote:
> On Mon, Nov 17, 2014 at 4:34 PM, Andrea Musuruane <musuruan at gmail.com
> <mailto:musuruan at gmail.com>> wrote:
> 
>     On Fri, Nov 14, 2014 at 10:47 AM, Andrea Musuruane
>     <musuruan at gmail.com <mailto:musuruan at gmail.com>> wrote:
> 
>         Hi all,
>             following the import guidelines, I post my plan to import
>         the addresses for Biella (Italy) on this mailing list:
>         https://wiki.openstreetmap.org/wiki/Import/Catalogue/Address_import_for_Biella
> 
>         The plan is already under discussion in talk-it and
>         talk-it-piemonte.
> 
> 
>     I updated the plan to include my import for review (Step 4 of the
>     import guidelines):
>     https://wiki.openstreetmap.org/wiki/Import/Catalogue/Address_import_for_Biella#Data_Transformation_Results
> 
>     I'll wait for your OK before importing these data.
> 
> 
> Ping, Can I go on with this import?
> 
> Bye,
> 
> Andrea
> 
>  
> 
> 
> _______________________________________________
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> Imports at openstreetmap.org
> https://lists.openstreetmap.org/listinfo/imports
> 

-- 
Twitter: http://twitter.com/ravilacoya

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