# OpenStreetMap
Integration of OpenStreetMap api from [Nominatim](https://wiki.openstreetmap.org/wiki/Nominatim)
## Installation
If [available in Hex](https://hex.pm/docs/publish), the package can be installed
by adding `open_street_map` to your list of dependencies in `mix.exs`:
```elixir
def deps do
[
{:open_street_map, "0.9.7"}
]
end
```
## Usage
### Search
Request for search objects is #search.
```elixir
OpenStreetMap.search([q: "135 pilkington avenue, birmingham", format: "json", addressdetails: "1", accept_language: "en"])
```
q - query, required
format - one of the [xml|json|jsonv2], default - xml
viewbox - The preferred area to find search results like <x1>,<y1>,<x2>,<y2>
bounded - Restrict the results to only items contained with the viewbox, one of the [0|1]
addressdetails - Include a breakdown of the address into elements, one of the [0|1]
exclude_place_ids - If you do not want certain openstreetmap objects to appear in the search result, give a comma separated list of the place_id's you want to skip
limit - Limit the number of returned results, integer
extratags - Include additional information in the result if available, one of the [0|1]
namedetails - Include a list of alternative names in the results, one of the [0|1]
accept_language - Preferred language order for showing search results, default - en
email - If you are making large numbers of request please include a valid email address
hostname - allow overwriting the host name for users who have their own Nominatim installation, default - https://nominatim.openstreetmap.org/
user_agent - User-Agent identifying the application, default - hex/open_street_map/random
#### Responces
```elixir
{:ok,
[
%{
"address" => %{
"city" => "Birmingham",
"country" => "United Kingdom",
"country_code" => "gb",
"county" => "West Midlands Combined Authority",
"house_number" => "135",
"postcode" => "B72 1LH",
"road" => "Pilkington Avenue",
"state" => "England",
"state_district" => "West Midlands",
"town" => "Sutton Coldfield"
},
"boundingbox" => ["52.5487473", "52.5488481", "-1.816513", "-1.8163464"],
"class" => "building",
"display_name" => "135, Pilkington Avenue, Sutton Coldfield, Birmingham, West Midlands Combined Authority, West Midlands, England, B72 1LH, United Kingdom",
"importance" => 0.411,
"lat" => "52.5487921",
"licence" => "Data © OpenStreetMap contributors, ODbL 1.0. https://osm.org/copyright",
"lon" => "-1.8164308339635",
"osm_id" => "90394480",
"osm_type" => "way",
"place_id" => "95707153",
"type" => "yes"
}
]
}
```
### Reverse
Request for objects by coordinates is #reverse.
```elixir
OpenStreetMap.reverse([format: "json", lat: "52.594417", lon: "39.493115", accept_language: "en"])
```
lat - Latitude, required
lon - Longitude, required
format - one of the [xml|json|jsonv2], default - xml
zoom - Level of detail required where 0 is country and 18 is house/building, one of the [0-18]
addressdetails - Include a breakdown of the address into elements, one of the [0|1]
extratags - Include additional information in the result if available, one of the [0|1]
namedetails - Include a list of alternative names in the results, one of the [0|1]
accept_language - Preferred language order for showing search results, default - en
email - If you are making large numbers of request please include a valid email address
hostname - allow overwriting the host name for users who have their own Nominatim installation, default - https://nominatim.openstreetmap.org/
user_agent - User-Agent identifying the application, default - hex/open_street_map/random
#### Responces
```elixir
{:ok,
%{
"address" => %{
"city" => "Lipetsk",
"city_district" => "Советский округ",
"country" => "Russia",
"country_code" => "ru",
"house_number" => "4",
"postcode" => "398000",
"residential" => "микрорайон Елецкий",
"road" => "улица Хренникова",
"state" => "Lipetsk Oblast",
"suburb" => "Lipetsk"
},
"boundingbox" => ["52.5943024", "52.5946223", "39.4929211", "39.4933486"],
"display_name" => "4, улица Хренникова, микрорайон Елецкий, Сырский рудник, Советский округ, Lipetsk, Lipetsk Oblast, Central Federal District, 398000, Russia",
"lat" => "52.5944624",
"licence" => "Data © OpenStreetMap contributors, ODbL 1.0. https://osm.org/copyright",
"lon" => "39.4931348495468",
"osm_id" => "367091730",
"osm_type" => "way",
"place_id" => "157477838"
}
}
```
## Contributing
Bug reports and pull requests are welcome on GitHub at https://github.com/kortirso/open_street_map.
## License
The gem is available as open source under the terms of the [MIT License](http://opensource.org/licenses/MIT).
## Disclaimer
Use this package at your own peril and risk, the author tried to simplify the use of [Nominatim service](https://wiki.openstreetmap.org/wiki/Nominatim) for integration into Phoenix web applications.
## Documentation
Documentation can be generated with [ExDoc](https://github.com/elixir-lang/ex_doc)
and published on [HexDocs](https://hexdocs.pm). Once published, the docs can
be found at [https://hexdocs.pm/open_street_map](https://hexdocs.pm/open_street_map).