[HOT] Tracing the clan boundaries in Liberia
gtrwst9 at gmail.com
Sat Nov 22 15:42:47 UTC 2014
Clan names from the import had problems with truncation, as far as I
recall, so they would have to be verified.
On Sat, 22 Nov 2014 15:01 Andrew Buck <andrew.r.buck at gmail.com> wrote:
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> I am not sure this is worth doing, at least not manually. GIS
> software can draw enclosing polygons around the common clan entries
> and then these could be used to the same effect, with a lot less
> manual work.
> However in any case, I think we need to ask if deriving them this way
> is the best way to go anyway. The data likely already exists
> somewhere, so our efforts may be better spent trying to free that data
> than trying to recreate a rough copy of it.
> - -AndrewBuck
> On 11/22/2014 07:39 AM, Rafael Avila Coya wrote:
> > Hi all:
> > I was doing some testing on manually tracing the clan boundaries
> > of Liberia from the UNMIL places data. That data includes, for the
> > huge majority of the 14,020 nodes, the clan each place belongs to,
> > and also the district and county.
> > There are 15 counties, divided in a total of 90 districts, and it
> > seems all of those boundaries are already in OSM (correct me if I
> > am wrong).
> > I would suggest to do this by one or two people, with experience
> > in making boundaries. We should agree in a tagging schema, to
> > avoid inconsistencies (it would be mainly for the source tag).
> > Needless to say, I offer myself on doing this.
> > To speed up the thing, here is my proposal for the tagging:
> > Segments:
> > boundary=administrative admin_level=8 source=estimate (or something
> > similar)
> > Maybe source:description=Data derivated from the UNMIL place nodes
> > Relations:
> > type=boundary boundary=administrative name=* admin_level=8
> > source=UNMIL source:description=Data derivated from the UNMIL place
> > nodes
> > We would include the admin_centre of all clans (when easily
> > guessed) as member of each relation, adding to it the capital=8
> > tag. We could also check if all districts have their admin_centre
> > as member. If not, we would add it, tagging it with capital=6.
> > Any problems, like having to change the district borders or other
> > issues, we would discuss them before doing such changes.
> > Cheers,
> > Rafael.
> > _______________________________________________ HOT mailing list
> > HOT at openstreetmap.org https://lists.openstreetmap.org/listinfo/hot
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