[Imports] Import of 27 administrative boundaries in central/southern Nigeria

Rafael Avila Coya ravilacoya at gmail.com
Fri May 9 11:11:04 UTC 2014

Hash: SHA1


Just to inform you that the import for these 27 states boundaries has
been successfully finished.


Rafael Ávila Coya.

On 28/04/14 16:40, Frank Salet wrote:
> Hi list,
> [This message is concerning part two (out of two) of importing 
> administrative boundaries for Nigeria]
> eHealth Africa Foundation has different kind of geographical data
> that has just been released with an ODbL compatible license. The
> license is the HOT letter of authorisation that many of you
> probably know already. Some data is probably very interesting to be
> imported. Among these data, we have the boundaries of all Local
> Government Areas (LGA's) for 27 states of central/southern Nigeria.
> The country is divided in 36 states plus the Federal District of
> Abuja, and each state divided further in a total of 774 LGA's
> (equivalent to districts). In contrast to part one of importing
> administrative boundaries, we don't have boundaries on ward level
> for central/southern Nigeria.
> The current boundaries in OSM, the ones that origin from
> MapLibrary, are assessed by the mapping specialists of eHealth
> Africa, and are found to be incorrect and not complete. For
> example, the boundary of Kano state is missing a large area in the
> south, where three LGA's are mistakenly given to Kaduna state.
> Regarding the LGA's we noticed that only for a few of them a
> polygon was drawn.
> The eHealth Africa data is originally in Shapefile format. It is
> easily converted to .osm with the JOSM OpenData plugin. With an
> ad-hoc script we can convert the areas to relations, and add the
> corresponding tags. Then, we would import these data state by
> state, replacing the existing Maplibrary data. All the process
> would be carefully validated before being uploaded to the OSM
> database. As there are 27 states involved, the import would
> therefore consist of 27 changesets in total.
> We have written a wiki explaining the process, and we would
> appreciate comments/evaluation from the community before we proceed
> with the import: 
> https://wiki.openstreetmap.org/wiki/Import_Nigeria_eHealth_Africa_Boundaries_(2)
>  *About eHealth Africa Foundation* eHealth Systems Africa
> Foundation (eHealth Africa) is a nongovernmental organization (NGO)
> dedicated to improving health care in developing countries through
> strengthening health workers and the systems that support them.
> eHealth Africa works towards this goal by creating sustainable
> eHealth and mHealth systems, providing technology infrastructure,
> performing training and capacity building workshops, publishing
> research on our work in Africa, and by providing consulting and
> support for other organizations working on health care in Africa. 
> Based in Santa Ana, California, in the United States, eHealth
> Africa?s main office is located in Kano, Nigeria.
> *About the polio eradication programme* eHealth Africa is
> supporting polio eradication in Northern Nigeria. A GIS is being
> deployed in Nigeria to help health workers collect data and target
> specific areas for immunization efforts in the fight to eradicate 
> polio. High resolution satellite imagery has been used as a basis
> to map the communities. This work is currently mapping communities
> in ten Northern States. Subsequently vaccination teams will use the
> GIS to locate the communities. Using GPS technology the whereabouts
> of the vaccination teams are monitored and inputted into GIS to
> cross-check the mapped communities with the visited settlements. By
> doing that the GIS is updated with ?missed? communities and the
> vaccination teams are guided.
> *About the geo-data* In 2011 the programme started in the 8
> northern states of Nigeria (namely Kano, Borno, Yobe, Sokoto,
> Zamfara, Katsina, Jigawa and Kebbi), and the area has been expanded
> after that with another 2 states (namely Bauchi and Kaduna). Using
> high resolution satellite imagery and manual extraction of the
> features currently most of the states are finished mapping, while
> the rest is being worked on by the GIS department of eHealth Africa
> (consisting of around 20 GIS specialists). The mapping activities
> are focused on the collection and marking of each and every 
> settlement in the whole area, since that information is required
> to provide polio immunization to the complete population. Besides
> mapping and naming all the settlements, the administrative
> boundaries are mapped as well as the roads, rivers, water bodies,
> health facilities, schools, mosques, wells, markets and more.
> Kind regards,
> -- *Frank Salet*
> GIS Manager /eHealth Systems Africa/
> www.eHealthAfrica.org <http://www.eHealthAfrica.org> 25 Race Course
> Road, Kano, Nigeria mobile: (NG) 0809-9850211 (US) 714-627-9289
> _______________________________________________ Imports mailing
> list Imports at openstreetmap.org 
> https://lists.openstreetmap.org/listinfo/imports

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

- --------------------------------

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.

Version: GnuPG v1.4.10 (GNU/Linux)
Comment: Using GnuPG with undefined - http://www.enigmail.net/


More information about the Imports mailing list