[OSM-talk-be] Unamapped ... errrrrr Sparsely mapped places :)

[eMerzh]

Yep,
i agree with you, as i said the method here is really too dubious...
we have to find something more clever :D

i publish this last stat as a we can see the evolution..
1 year ago where at
Unmapped places: 13
Sparsely mapped: 189

and in april 2011 we where
Unmapped places: 230
Sparsely mapped: 457

So what a nice progression ...

Now we have to fix all those un-named street and those missing  /
incorrect tags..

for that i think we can rely on existing tools like the osmose or keepright



On Thu, Oct 18, 2012 at 5:36 PM, Sander Deryckere <sanderd17 at gmail.com> wrote:
> I agree with Ben. One place I know to be sparsely mapped is Koksijde (almost
> no streets have names). But it isn't found by the tool.
>
> Maybe some other algorithm can be proposed. I'm thinking that the number of
> nodes generated can mostly be done with areal mapping, but for precise tags,
> you need to be there. Well mapped streets have a highway type, a name, a
> speed and possibly other attributes, while areal mapped streets usually just
> have a type.
>
> You may also find a lot of buildings around those places, but those
> buidlings won't have housenumbers or street names.
>
> So maybe you can divide the number of nodes in an area by the number of tags
> in a that area found on the objects, and see the result. A high result means
> it's aerial mapped, a low result means it's ground mapped.
>
> So you immediately know where it would be best to organise the mapping
> party.
>
>
> 2012/10/18 Ben Laenen <benlaenen at gmail.com>
>>
>> On Thursday 18 October 2012 07:51:01 Nicolas Pettiaux wrote:
>> > Thanks Brice,
>> >
>> > Very interesting. With only 17 places left, we can tackle the work more
>> > precisely.
>> >
>> > Wouldn't it be interesting to organize a mapping party in one of these
>> > locations, after preparation and contact with local people, perhaps the
>> > tourist authorities, to let them know that, with their help, we plan to
>> > come and map better their locality ?
>>
>> If you look at the places that are sparsely mapped, I don't think it's
>> really
>> any use to have mapping parties at those exact locations.
>>
>> Langemark-Poelkapelle for example is just a result of our fused
>> municipalities, the place node has to be somewhere in the middle of
>> nowhere
>> between Langemark en Poelkapelle (which are both properly mapped)
>>
>> http://bmaron.net/osm_stats/unmapped/?zoom=15&lat=50.91117&lon=2.93411&layers=B0TT
>>
>> The same with Meeuwen-Gruitrode:
>>
>> http://bmaron.net/osm_stats/unmapped/?zoom=15&lat=51.09158&lon=5.55373&layers=B0TT
>>
>> Paulatem, a village with a population of 140, not many streets are missing
>> there then...
>>
>> http://bmaron.net/osm_stats/unmapped/?zoom=16&lat=50.8958&lon=3.71461&layers=B0TT
>>
>> Roborst and Sint-Blasius-Boekel: both tiny places, but all their streets
>> are
>> mapped
>>
>> http://bmaron.net/osm_stats/unmapped/?zoom=15&lat=50.86228&lon=3.75367&layers=B0TT
>>
>> http://bmaron.net/osm_stats/unmapped/?zoom=15&lat=50.84965&lon=3.7208&layers=B0TT
>>
>> Oosterzele: because it also merged with other municipalities, Oosterzele
>> has
>> over 10000 inhabitants and thus the place node becomes "town", but the
>> village
>> itself is much smaller, and all streets are there:
>>
>> http://bmaron.net/osm_stats/unmapped/?zoom=14&lat=50.94527&lon=3.80038&layers=B0TT
>>
>> And so on... So I think it's basically hitting the limits of the algorithm
>> that decides which are the unmapped or sparsely mapped places, rather than
>> telling us which places are really sparsely mapped.
>>
>>
>> > THis could be one opportunity
>> >
>> > 1/ to meet (at least the one who want, like me, to put a face on a name
>> > often read), especially when working on finalizing an OSM-BE
>> > association,
>> > 2/ to involve some people who are NOT yet mappers and let them know what
>> > we
>> > do and why, and appreciate the result afterwards, maybe let the use it
>> > for
>> > their internal or external promotion,  for example using
>> > http://maposmatic.org/ that we could show also and use to leave them
>> > with
>> > the tools to make their own local maps,
>> > 3/ to attract the press and further support
>> >
>> > What do you think ?
>>
>> Mapping parties can be done of course, but I think there are better
>> options
>> than the sparsely mapped places. "Unfortunately" by now most places are
>> mapped
>> (nothing beats the joy of starting to map somewhere which is barely mapped
>> --
>> e.g. the Hoboken/Turnhout/Deinze mapping parties long ago), but there are
>> still quite a few places that needs to be cleaned up (bad or missing
>> street
>> names, missing oneways etc.). But I don't have any suggestions on where to
>> start with that for now.
>>
>> Greetings
>> Ben
>>
>>
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