[Imports] Kaduna eHealth Africa Roads import

[Rafael Avila Coya]

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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.

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

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Twitter: http://twitter.com/ravilacoya

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Por favor, non me envíe documentos con extensións .doc, .docx, .xls,
.xlsx, .ppt, .pptx, aínda podendoo facer,  non os abro.

Atendendo á lexislación vixente, empregue formatos estándares e abertos.

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