[HOT] Advice needed: field mapping in Central African Republic

Jaakko Helleranta.com jaakko at helleranta.com
Mon Apr 13 07:32:28 UTC 2015

You could also consider the use of reference_point=yes essentially for all
of these as the whole idea of that tag is to highlight those map objects
that are used as navigation landmarks. (You should of course still have a
"main tag" when reference_point is not the only classifying tag.)

The reference_point= tag hasn't picked up too much use and with that
neither do we yet have tools/services supporting it that I would know of.

That said, I think that conceptually this is an excellent tag for
especially those areas of the world in which no proper addressing system
exists (street names + building numbers) or it isn't well developed.


jaakko at helleranta.com * Skype: jhelleranta
* Mobile: +505-8131-0729 (Nicaragua) * Voice(mail) / SMS: +1-202-730-9778 *

On Sun, Apr 12, 2015 at 6:23 PM, Severin Menard <severin.menard at gmail.com>

> Hi Pete,
> I agree with both Thomas and Michael's usggestions regarding
> amenity=place_of_worship and amenity=townhall
> On Sun, Apr 12, 2015 at 8:32 PM, Michael HeiƟmeier <
> michael63 at digital-filestore.de> wrote:
>>  Hello Pete,
>>  Some important landmarks in Bangassou are the catholic missions (of
>> which there are at least two), prayer houses (of which there are many)
>> and chief's houses (one for every quartier / village etc). Prayer
>> houses are not churches and cannot be tagged as such as they fulfill
>> very different roles, socially and culturally. However, they also are
>> heavily used by local people to navigate the town / villages. Does
>> anyone have any idea (or previous experience) of how these might be
>> best tagged?
>> As Thomas already pointed out in his answer you might consider using
>> amenity=place_of_worship as this is not exclusively reserved for churches.
>> The OSM wiki has this paragraph concerning that key
>> If the place of religious services is located in a *part of a
>> multi-purpose building*, then the tag amenity
>> <http://wiki.openstreetmap.org/wiki/Key:amenity>=*place_of_worship*
>> should be placed on a node or area, inside the building outline. Examples
>> are prayer rooms in public buildings or rooms rented for religious purposes
>> in commercial buildings.
>> If the prayer house serves more like a cultural or social centre, using
>> amenity=community_centre sounds like a viable alternative.
>>  Also, the chief's houses are definitely landmarks, but also are
>> important places socially (kind of like a local administration
>> office). However, they are also private residences. Many have a sign
>> outside with the name of the chief and the quartier etc, but many do
>> not. How can this be handled? Is it a consent issue with the chiefs?
>> I am tempted to suggest using amenity=townhall. Reading the wiki:
>> Use this for a village, town or city *townhall*, a building where the
>> administration of a village, town or city may be located, or it may just
>> serve as a community meeting place .
>> A townhall is not necessarily used (or having ever been used) for
>> administrative function. The tag is also used for a "village hall",
>> commonly in UK villages, and used for community events such as fundraising
>> and Discos.
>> Apparently, the administrative function is not a requirement for this tag.
>>  Secondly, admin divisions...
>> We are very close to having shapes for the the quartiers in Bangassou
>> town. I know that the tag admin_level should be used, but how do I
>> discern the level? The admin flow goes:
>> Country
>> Prefecture
>> Sub-prefecture
>> Town/village
>> Arrondisement (only in the town itself - not in villages)
>> Quartier
>> http://wiki.openstreetmap.org/wiki/Tag:boundary%3Dadministrative
>> proposes admin_level=10 for a quartier in CAR
>> I was just browsing the wiki, but have no prior experience concerning
>> these topics. Hope this helps nevertheless.
>> Best Regards
>> *Michael (osm:michael63) *
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