Tagging

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Revision as of 17:32, 24 August 2010

Mapping in Africa, in Kibera, in rural areas, has revealed many features for which there is currently no clear existing tagging scheme or cartography. Especially in Kibera, this has resulted in tagging that is inconsistent and incomplete across the area.

Contents

Process

  • Focus on thematic areas one by one (water, health, NGOs, etc)
  • Examine existing tagging schemes in Kibera. A tag report is generated at http://files.maps.jsintl.org/tags.html and http://files.maps.jsintl.org/tags.mwatate.html. Clicking on the link for a tag will download OSM data that you can open in JOSM to work with more directly. Pay attention especially to NOTES, as these are often where the details on the actual structure are located.
  • Open all downloaded layers in JOSM together, and then Merge into a single layer ... this will remove objects that appear in multiple layers.
  • Decide on a consistent tagging scheme for the theme.
  • Fix manually is small in number. Otherwise document, and later on will explore automated methods to correct, and plan re-survey.
  • Document any new features below.
  • Once complete and consistent, new features will be presented to OSM community for adoption.


References: http://wiki.openstreetmap.org/wiki/Map_Features http://wiki.openstreetmap.org/wiki/Proposed_features

Other quality checks

  • Is node in the right place. Some problems with placement on Garmin
  • Nodes in ways ... move out
  • on the correct side of path
  • empty node removal

Tagging Review in Kibera

Health

User:Mikel reviewed health related tags on March 21, and uploaded changes to http://www.openstreetmap.org/browse/changeset/4187666

Pre-existing Tags

These are all the health related tags.

  • amenity=pharmacy
  • amenity=hospital
  • dispensing=clinic
  • dispensing=yes
  • shop=chemist
  • dispensing=chemist
  • notes=clinic
  • dispensing=Chemist
  • notes=Chemist
  • operator=Amref
  • notes=Clinic
  • notes=this is a laboratory mainly serving the senye clinic in soweto west
  • note=also clinic and school
  • dispensing=*
  • amenity=doctors
  • NOTES=CLINIC
  • Health=*
  • FIXME=this is a laboratory mainly serving the senye clinic in soweto west

fixes

  • fix capitalization
  • removed dispensing=clinic/chemist/Chemist. only yes/no is valid value
  • removed erratic tags that did not apply
  • unifying to note=* and fixme=* from all capitalization and plural variants
  • removed Health=*
  • where clear, removed duplicates. otherwise added fixme to disambiguate.

thoughts

http://wiki.openstreetmap.org/wiki/Proposed_features/Healthcare proposes some distinguish features between services

General editing tips

  • need to verify completeness and correctness ... does this exists, proper name/spelling, location, position (correct side of road), tags,
  • re-emphasize gps button fiddlyness
  • when editing, they should look out for existing features, not just re-add
  • possible to have josm segment types of features, layers?

Second review

User:Ebrelsford reviewed health-related tags in August 2010 and made some changes.

Made features visible in main OSM rendering
  • Added amenity=pharmacy to
    • health_facility:type=herbalist
    • health_facility:type=chemist_over_the_counter
  • Added amenity=hospital to health_facility:type=vct_center
  • Added amenity=dentist to health_facility:type=dental_clinic
Types that still need rendering
  • health_facility:type=health_programme
  • health_facility:type=training_institution
  • health_facility:type=rehabilitation_center
  • health_facility:type=other (eg, Paolo's Home, described as a "Physiotherapy and Psychotherapy Home")
General rendering fixes
  • Broke a few nodes up to avoid overlapping tags:
    • Holy Trinity Church separated into a dental clinic
    • Kibera Community Youth Programme Computer School separated into a health_programme
  • Broke nodes off of ways (health facilities as part of roads or trails)
  • Removed obvious duplicates
Chemists
  • Added dispensing=yes for health_facility:type=chemist_dispensing, dispensing=no for health_facility:type=chemist_over_the_counter
  • Added health_facility:type={chemist_dispensing,chemist_over_the_counter} to appropriate features with amenity=pharmacy
Still need fixing
  • Some features have conflicting tags that make it unclear whether they are clinics, hospitals, or pharmacies.
    • fixme=chemist or hospital?
  • Some features still look suspiciously like duplicates, but it's hard to tell from here
    • fixme=duplicate?

Security Features

Pre-existing Tags

  • lights
    • security:light
    • security:light_type
    • operational_status
    • power=light mast
    • man_made=lighthouse
    • power:Light tower
    • power=Adopt A Light
  • Bar
    • security:bar
    • amenity=pub
    • amenity=bar
    • shop=alcohol
  • Danger
    • security:hatari_spot
    • security:black_spot
    • security:other
    • security:gbv_support
    • security:chiefs_camp
    • security:description
    • amenity=police

Fixes Needed

  • Distinguish between large and small adopt-a-lights
  • "temporary police" locations
  • interpolate lights in series (when only start and end are marked)

Educational Facilities

Existing Tags

  • amenity=school
  • amenity=kindergarten
  • amenity=college
  • amenity=library
  • name="usually contains a name of the school, kindergarten, academy, college ..."
  • notes=school
  • notes=NGO
  • notes=School
  • notes=school within a church
  • NOTES=school
  • note=private
  • note=Mashimoni Ushirika Pri
  • note=SCHOOL/CBO
  • notes=Kindergarten
  • FIXME=Must this be "Old" instead of "Oid"?
  • notes=Library

thoughts

  • fix capitalization, spelling, etc.
  • kindergartens schould have different tags than schools -> look at Unified Tagging on Kibera Map

Place of worship

Existing Tags

  • amenity=place_of_worship
  • denomination=protestant
  • denomination=Protestants
  • denomination=protestants
  • denomination=anglican
  • denomination=methodist
  • denomination=pentecostal
  • denomination=catholic
  • denomination=Many
  • denomination=jehovahs_witness
  • denomination=evangelical
  • denomination=sunni
  • denomination=quaker
  • denomination=jehova's witness
  • denomination=adventist
  • denomination=presbyterian
  • name="usually contains a name of the place of worship"
  • opening_hours="contains opening times and closing hours"
  • religion=christian
  • religion=muslim
  • religion=spiritualist
  • notes=church
  • notes=Church
  • note=also clinic and school
  • FIXME=denom catholic???
  • FIXME=Spelling????

thoughts

  • fix capitalization, spelling, etc.
  • look at Unified Tagging on Kibera Map

Shops

Existing Tags

  • shop=alcohol
  • shop=bakery
  • shop=beverages
  • shop=books
  • shop=butcher
  • shop=chemist
  • shop=computer
  • shop=convenience
  • shop=doityourself
  • shop=dry_cleaning
  • shop=electronics
  • shop=florist
  • shop=furniture
  • shop=hairdresser
  • shop=hardware
  • shop=kiosk
  • shop=laundry
  • shop=organic
  • shop=shoe_repair
  • shop=shoes
  • shop=supermarket
  • shop=video
  • shop=mall
  • name
  • opening_hours
  • notes=bar
  • notes=Butchery
  • notes=Printing/photocopy services
  • notes=Computer Services
  • internet_access=public
  • notes=Posho Mill
  • notes=Store
  • NOTE=posho mill
  • cereal=posho mill
  • NOTES=ELECTRICAL SHOP
  • notes=Baber and saloon shop
  • notes=Saloon
  • NOTES=Hair dresser
  • note=barber shop
  • note=the shops includes or involves different activities like grocery, shops for household stuff etc
  • NOTES=pesa poinnt
  • notes=Food Kiosk
  • notes=Kiosk
  • notes=kiosk
  • notes=Fruits and Vegetable saler
  • NOTES=food kiosk
  • NOTES=kiosk
  • NOTES=shop
  • note=chacoal seller
  • notes=Cash Point
  • operator=TRASFORMER
  • power=sub_station
  • ref=KPLC
  • landuse=market
  • note=open air market

Other Tags

  • amenity=fuel
  • landuse=commercial
  • landuse=retail
  • area=yes
  • NOTES=kerosen kiosk
  • operator=Gitonga Kerosene Pump
  • operator=owner


Unified Tagging on Kibera Map

Introduction

This is the suggestion of a tagging scheme on a map of Kibera. Different elements are divided into attributes. Main attributes are represented and described. Some exceptions are also represented and redundant attributes are preserved for further examination.

Element is the object of inquiry (ex. school, place of worship, etc.). It is represented by attributes – descriptive representations.

Elements

Health Facilities

  • health_facility:type needs post-process into proper amenity tags
  • health_facility:type and operator:type differ somewhat in classification from HDM
  • operator:type is missing detailed Faith Based Organization from Collection Key
  • Media refers to local devices. Will later post-process into flickr osm machine tags
  • maybe need tag to describe incomplete data ... Notes

Educational Facilities

These elements represent kindergartens, schools (primary, secondary, academy …) and other educational facilities (youth polytechnics …).

Attribute table (educational facility):

Attribute Description
amenity school, kindergarten, college, library
name Name of the educational facility.
note If there is some particularity.

Place of worship

All places of worship. Different religions or denominations. They all get the same tag (amenity=place_of_worship).

Attribute table (Place of worship):

Atribute Description
amenity place_of_worship
name Name of the place of worship.
denomination The subspecies (denomination) of a specific religion (ex. catholic, protestant, anglican, sunni ... ).
opening hours Opening times and closing hours.
religion Different types of religion (ex. christian, muslim, hindu, jewish ...).

Shops

Attribute table (Place of worship):

Atribute Description
shop What kind of a shop it is.
name Name of the shop.
opening hours Opening times and closing hours.
note If there is some particularity.

or

Atribute Description
landuse What kind of a landuse is it (comercial, market, etc).
name Name of the area.
opening hours Opening times and closing hours.
note If there is some particularity.

New Tags

Cattle Dip

  • description: it holds water and usually some sort of tick-killing substance (ticks can be a big problem in rural communities - killing livestock); used for microbes clean up
  • current tagging scheme: has no current tagging scheme
  • some potential alternatives
  • Cattle Dip

Water Infrastructure

  • water intakes - from where water usually originates; natural or built
  • water tanks - where water is stored (water storage tanks or reservoirs),
  • water points - different important water points (ex.: water distribution points, water supply reservoirs, cattle tanks, livestock water tanks in dry areas, etc.)

Community meeting points

  • traditional meeting place of the elders - where community leaders come and discuss community relevant issues, settle disputes, etc.
  • current tagging scheme: village_green
  • some potential alternatives: needs a more refined way of tagging as it represents one of the most significant areas in a community
  • Traditional meeting place of the elders in Wongonyi

Public buildings

  • chief's office, office of a community leader (example: in a local market place)
  • current tagging scheme: amenity - public_building
  • Chief's House

Sacred places

  • areas which have special (mostly spiritual) meaning to a local community and are used for ancestor worship, spirit communication and agricultural sacrifices, etc.
  • current tagging scheme: has no current tagging scheme
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