[HOT] Polio project

Thu Mar 27 12:26:31 UTC 2014

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Hi Kazeem and Samuel:

Thanks for having contacted us for this very interesting project.

Sorry for answering now, but I got Kate's emails when I was going to
bed yesterday evening (it was 3:30 am and I was exhausted).

I am more than willing to assist you in any questions or assistance you
may have/need with this huge job.

I've checked the job 474 you have just created, and have some issues.

1) About the roads: do you have a clear classification scheme for
them? For Africa there was a long discussion that produced a road
classification guideline called Highway Tag Africa:
http://wiki.openstreetmap.org/wiki/Highway_Tag_Africa

The idea is not to classify the roads by their conditions (paved,
unpaved, their smoothness...), but by their importance on the road
network. So, as you can read in the wiki, primary roads would be for
the roads connecting the main big cities, secondary roads would be the
ones that connect those big cities with the regional capital cities,
tertiary roads the ones that connect with towns of importance (like
the ones with health services) and mayor streets within cities, while
we would tag the roads connecting the smaller towns and villages as
unclassified.

I've checked the task number 7 starting from the left on the second
row of job 474 (see https://flic.kr/p/mu89VY ), and I see that, for a
road that is connecting several middle sized villages (that might be
at least tagged as tertiary following the Highway Tag Africa scheme;
see http://flic.kr/p/mu6r7P ), you tagged it as unclassified first,
and then it changes to track, with no apparent reason, as the road is
the same one ( see http://flic.kr/p/mu6qk8 ).

This makes quite important that you need to set a clear guideline of
how to tag all roads and ways. You can consider making some
modifications to that Highway Tag Africa for Nigeria. In my opinion, I
would consider using highway=trunk for the most important roads that
connect the state capital cities, and definetly you have to tag as
highway=motorway all motorways you have in Nigeria, like in Lagos and
around it.

You should also tag, as better as possible, the surface of all roads,
and, if possible, the smoothness, following that Tag Highway Africa
scheme.

Having a clear scheme of classification and following it strictly will
avoid you/us a lot of correcting work in the future. That scheme
should be explained in the job instructions of the Task Manager, like
putting a link to the Highway Tag Africa wiki.

2) About the human settlements, Samuel told Kate in an email that you
are classifying them in three categories: build-up area's, small
settlement area's and hamlets.

I would suggest you to tag the build-up area's as place=city or
place=town, depending on the number of people that live in them, small
settlement area's as place=village, and hamlets as place=hamlet. You
have a wiki for all kind of places here:
http://wiki.openstreetmap.org/wiki/Key:place

The important thing, as with the roads, is to set a clear guideline of
how to tag them, so you will produce a very consistent dataset/map.

But the most important of all is that you share all this thoughts and
decisions on tagging with all of us, so we can reach the best
consensus, and we can give the best and most clear instructions for
mappers in the task 474 and all the tasks you will set after it.

Best regards,

Rafael Ávila Coya.

On 27/03/14 10:50, Severin Menard wrote:
> Hi Kazeem,
> 
> I guess you are a colleague of Samuel Aiyeoribe working on the same
> project, right? My answers inline.
> 
> 
> On Wed, Mar 26, 2014 at 3:24 PM, Kazeem Owolabi 
> <kazeem.owolabi at ehealthnigeria.org 
> <mailto:kazeem.owolabi at ehealthnigeria.org>> wrote:
> 
> Afternoon,
> 
> I am a staff of ehealth Africa, we are currently working on Polio 
> eradication in Nigeria, We believe your OSM Task Manager will make
>  our digitizing of roads in Nigeria, for now Kano Sate more 
> effective and efficient.
> 
> If you map roads, that often crosses various tasks, save your 
> changes quite often, especially if using ID, that has no capacity 
> to manage editing conflicts (= mappers modifying the same object 
> during the same editing session)
> 
> 
> Though, A staff have been given access to create job on the testing
> server, we need to create one of the main server and also a follow
> through on the procedure.
> 
> Seems the dev instance is currently down. If you gave us your Area 
> of Interest (eg create a new layer in JOSM, draw the Area and save 
> it as an .osm file) we can create the job in the TM. If you
> connect on Mumble <https://wiki.openstreetmap.org/wiki/Mumble>
> there will be HOT people to help you on this.
> 
> 
> I also try one of the task, however I did not find my edit uploaded
> with JOSM on Open street map.
> 
> If you mean by OpenStreetMap the rendering on www.osm.org 
> <http://www.osm.org>, it is normal: these iamges are not refreshed
>  automatically, but on a regular basis. Go back to the location and
>  refresh the page to see if it has been updated. If you want to 
> force it, you can right click on the map, open it in a new tab,
> and add this at the end of the image URL: /dirty and type Enter.
> It will refresh the tiled image. GO back to the tab with the map
> and refresh the page: if you edited the map (more than a few
> minutes ago) the edits will show up
> 
> 
> We have a team ready to work on it, we plan to start tomorrow.
> 
> Great!
> 
> 
> Here is my OSM ID, username: kazeem ; email: 
> kazeem.owolabi at ehealthnigeria.org 
> <mailto:kazeem.owolabi at ehealthnigeria.org>
> 
> I see you are a GIS expert. I guess you already know this service: 
> http://export.hotosm.org/ that allows you to get the OSM data in 
> various GIS formats.
> 
> 
> Thanks and regards
> 
> -- *Owolabi, Kazeem.K* *GIS Technician,* *eHealth Africa.*
> 
> _______________________________________________ HOT mailing list 
> HOT at openstreetmap.org <mailto:HOT at openstreetmap.org> 
> https://lists.openstreetmap.org/listinfo/hot
> 
> 
> 
> 
> _______________________________________________ HOT mailing list 
> HOT at openstreetmap.org https://lists.openstreetmap.org/listinfo/hot
> 

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

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