[HOT] Kaduna State eHealth Africa Roads import

Rafael Avila Coya ravilacoya at gmail.com
Wed Sep 3 08:28:57 UTC 2014


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Hi Séverin and all:

I wrote a script to join road segments that makes the import easier
and faster. The link to the script is in the workflow wiki.

I therefore included that data processing in the import workflow. The
three wikis for this import are:

https://wiki.openstreetmap.org/wiki/Import_eHealth_Africa_Kaduna_State_Roads
(needed for the imports list)

https://wiki.openstreetmap.org/wiki/Import_eHealth_Africa_Kaduna_State_Roads_Workflow
(detailed workflow wiki with screenshots)

https://wiki.openstreetmap.org/wiki/Import_eHealth_Africa_Kaduna_State_Roads_Progress
(To follow-up the progress of the import and write down statistics).

The import will likely start soon.

Cheers,

Rafael Ávila Coya.

On 24/08/14 05:38, Severin Menard wrote:
> Hi Rafa,
> 
> Thanks for facilitating this. DId you find the good way to join
> and tag the roads without having to do everything manually (like a 
> script or a set of actions to get a result that needs to be
> checked after)?
> 
> Sincerely,
> 
> Severin
> 
> 
> On Mon, Aug 18, 2014 at 8:47 PM, Rafael Avila Coya 
> <ravilacoya at gmail.com <mailto:ravilacoya at gmail.com>> wrote:
> 
> Hi all:
> 
> eHealth Africa has released a set of data for Kaduna State. They 
> are 3 files: one for roads, another of water lines (streams and 
> rivers) and the last one for water bodies (riverbanks, lakes, 
> wetlands, etc.).
> 
> The file for roads covers more than 83,000 thousand km of roads, 
> tracks, paths, etc.
> 
> Main issues:
> 
> 1) They come with only the information about the surface. 2) The 
> ways are segmented and need to be joined and tagged according to 
> Bing imagery (most of Kaduna is covered by Bing [1]). 3) They are 
> disaligned against Bing. The proposal is to align them to Bing,
> but comments specially about this issue are most welcome.
> 
> I've written the import wiki [2] and the import detailed workflow 
> [3], where you have all links and information.
> 
> Points 1) and 2) will make the (manual) import not much faster (if 
> at all faster) than standard remote mapping, but would have the 
> (big) advantage of not missing the access to almost any hamlet, 
> making the whole result much more complete.
> 
> I will send this same email to the imports list. Sorry for 
> duplication for those who are subscribed to more than one of this 
> mailing lists.
> 
> Thank you in advance for any input,
> 
> Rafael Ávila Coya.
> 
> [1] Kaduna Bing coverage: 
> http://umap.fluv.io/en/map/north-and-central-nigeria-bing-hires-imagery-cover_1580#7/10.536/8.624
>
>
> 
[2] Import wiki:
> https://wiki.openstreetmap.org/wiki/Import_eHealth_Africa_Kaduna_State_Roads
>
>
> 
[3] Hackpad with Import Workflow:
> https://hackpad.com/Kaduna-Roads-Water-Lines-and-Polygons-import-c5HwhZqfQ3n
>
>
> 
> 
> _______________________________________________ HOT mailing list 
> HOT at openstreetmap.org <mailto:HOT at openstreetmap.org> 
> https://lists.openstreetmap.org/listinfo/hot
> 
> 

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

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http://es.wikipedia.org/wiki/OpenDocument#Tipos_de_ficheros
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