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geocoder is a Django-based web service that allows for geocoding and reverse geocoding of addresses, POI lookups and browsing city plan geometries.
Currently there are data importing scripts for the cities of Helsinki and Manchester.
The API specification is automatically generated by django-tastypie-swagger. A live version lives at http://dev.hel.fi/geocoder/doc.
http://dev.hel.fi/geocoder/v1/address/?name=aleksanterinkatu+20
{
"meta": {
...
},
"objects": [
{
"id": 34465,
"letter": "",
"location": {
"coordinates": [
24.95212937899918,
60.1633660991522
],
"type": "Point"
},
"municipality": "/v1/municipality/91/",
"name": "Unioninkatu 1, Helsinki",
"number": 1,
"number_end": null,
"resource_uri": "/v1/address/34465/",
"street": "Unioninkatu"
},
{
"id": 34466,
"letter": "",
"location": {
"coordinates": [
24.95068871283578,
60.16327581648179
],
"type": "Point"
},
"municipality": "/v1/municipality/91/",
"name": "Unioninkatu 2, Helsinki",
"number": 2,
"number_end": null,
"resource_uri": "/v1/address/34466/",
"street": "Unioninkatu"
},
...
]
}http://dev.hel.fi/geocoder/v1/address/?format=json&lon=24.9531&lat=60.1689
{
"meta": {
...
},
"objects": [
{
"distance": 18.5508163203,
"id": 461,
"letter": "",
"location": {
"coordinates": [
24.95316597791287,
60.168976122654
],
"type": "Point"
},
"municipality": "/v1/municipality/91/",
"name": "Aleksanterinkatu 20, Helsinki",
"number": 20,
"number_end": null,
"resource_uri": "/v1/address/461/",
"street": "Aleksanterinkatu"
},
{
"distance": 34.2157243331,
"id": 464,
"letter": "",
"location": {
"coordinates": [
24.9528237422914,
60.16896702585059
],
"type": "Point"
},
"municipality": "/v1/municipality/91/",
"name": "Aleksanterinkatu 22, Helsinki",
"number": 22,
"number_end": null,
"resource_uri": "/v1/address/464/",
"street": "Aleksanterinkatu"
},
...
]
}http://dev.hel.fi/geocoder/v1/poi/?format=json&lon=24.9531&lat=60.1689&category__type=park
{
"meta": {
...
},
"objects": [
{
"category": "/v1/poicategory/4/",
"category_type": "park",
"description": "",
"distance": 691.107942661,
"id": 862,
"location": {
"coordinates": [
24.94762037868587,
60.16744822200204
],
"type": "Point"
},
"name": "Esplanadin puisto",
"origin_id": "21357",
"resource_uri": "/v1/poi/862/",
"street_address": "Eteläesplanadi-Pohjoisesplanadi (Kaartinkaupunki)",
"zip_code": "00170"
},
...
]
}Ubuntu packages:
virtualenvwrapper libpq-dev python-dev
Shell commands:
mkvirtualenv geocoder pip install -r requirements.txt
Ubuntu packages:
language-pack-fi postgis postgresql postgresql-contrib
Shell commands:
sudo su postgres createdb -l fi_FI.UTF8 -E UTF8 -T template0 template_postgis # (following can already be installed) createlang -d template_postgis plpgsql psql -d template_postgis -c"CREATE EXTENSION hstore;" psql -d template_postgis -f /usr/share/postgresql/9.1/contrib/postgis-2.0/postgis.sql psql -d template_postgis -f /usr/share/postgresql/9.1/contrib/postgis-2.0/spatial_ref_sys.sql psql -d template_postgis -c "GRANT ALL ON geometry_columns TO PUBLIC;" psql -d template_postgis -c "GRANT ALL ON spatial_ref_sys TO PUBLIC;" psql -d template_postgis -c "GRANT ALL ON geography_columns TO PUBLIC;" createuser -R -S -D -P geocoder createdb -O geocoder -T template_postgis -E utf8 geocoder
Edit file /etc/postgresql/9.1/main/pg_hba.conf. Change line
local all all peer
to
local all all md5
Now, restart the postgres server:
sudo service postgresql restart
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