Thanks for updates. Best,
— Enock | Sent from Mailbox On Sat, Aug 30, 2014 at 7:34 PM, Pierre Béland <[email protected]> wrote: > I completed revising the Administrative limits for Liberia, adding the > district level (admin_limit=6). As bonus, validating the Liberia boundaries, > I also revised a few broken polygons for the Guinea limits. > If you are not experienced with relations and boundary limits, be careful > when you update various features such as rivers. There are often boundaries > on that coincide with rivers. Saving your data, if you receive a message > saying that you will break a relation, please do not update and take the time > to ask others to help you how to fix the problem. > This information is essentia to UN Agencies and humanitarian organizations to > plan there interventions and distribution of goods. > To revise the county limits (admin_limit=4) and add district limits > (admin_limit=6) that correspond to the Liberia administrative limits, the > Liberia Institue of Statistics and Geo (LISGIS) provided us shape files. The > LISGIS data is low resolution and this needed some interpretation adapting > with Bing imagery. Often, these limits are following natural limits such as > rivers. Limits can still be enhance where they follow rivers. But this work > has to be done by experienced mappers. > There is an area in north-east of Nimba county which is not included in the > district subdivisions. This look to be a national park. We will have to > clarify this. https://www.openstreetmap.org/#map=12/7.5118/-8.4897 > It will take a certain time before these boundaries are integrated in > particular with the Nominatim searches. > I see various relations for administrative limits that contain subarea roles. > This information is in general not necessary. The scripts that compute the > administrative limits find automatically the various level of administrative > limits in a country. > Probably due to some delay of the Nominatim scripts to update administrative > limits, this information is not totally functional. This should be until > tomorrow probably. > This Overpass query provide the administrative limits for Liberia > admin_level=2,4,6 (ie. country, county, district). > See http://overpass-turbo.eu/s/4Nr > Pierre > ________________________________ > De : Pierre Béland <[email protected]> > À : HOT Discussion list <[email protected]> > Envoyé le : Samedi 30 août 2014 11h26 > Objet : Liberia Administrative limits > > I am in the process of revising the Liberia administrative limits. It is > important that we coordinate and that no other contributor try to modify this > process while I am correcting the various conflicts. > The, please, do not revise any of these limits today even if you see > duplicates or conflicts. > Wait until I indicate that I have completed this. > > Pierre
_______________________________________________ HOT mailing list [email protected] https://lists.openstreetmap.org/listinfo/hot
