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This is a folder with python 2 and node scripts to produce geographical
data for the Mullvad VPN app.
= Dependency installation notes =
1. Run the following command in terminal to install python dependencies:
pip install -r requirements.txt
2. Run `npm install -g topojson-server` to install `geo2topo` tool which is
used by python scripts to convert GeoJSON to TopoJSON
= Geo data installation notes =
Go to http://www.naturalearthdata.com/downloads/50m-cultural-vectors/ and
download ZIP files with the following shapes:
- Admin 0 – Countries
- Admin 1 – States, provinces - boundary lines
- Populated Places - simple dataset is enough
or use cURL to download all ZIPs:
```
curl -L -O http://www.naturalearthdata.com/http//www.naturalearthdata.com/download/50m/cultural/ne_50m_admin_0_countries.zip
curl -L -O http://www.naturalearthdata.com/http//www.naturalearthdata.com/download/50m/cultural/ne_50m_admin_1_states_provinces_lines.zip
curl -L -O http://www.naturalearthdata.com/http//www.naturalearthdata.com/download/50m/cultural/ne_50m_populated_places_simple.zip
```
Extract the downloaded ZIP files into geo-data.
Make sure the following folders exist after extraction:
- ne_50m_admin_0_countries
- ne_50m_admin_1_states_provinces_lines
- ne_50m_populated_places_simple
or use the following script:
```
mkdir ne_50m_admin_1_states_provinces_lines
mkdir ne_50m_populated_places_simple
mkdir ne_50m_admin_0_countries
unzip ne_50m_admin_0_countries.zip -d ne_50m_admin_0_countries
unzip ne_50m_admin_1_states_provinces_lines.zip -d ne_50m_admin_1_states_provinces_lines
unzip ne_50m_populated_places_simple.zip -d ne_50m_populated_places_simple
```
= Geo data extraction notes =
Run the following script to produce a TopoJSON data used by the app:
```
python extract-geo-data.py
```
and finally generate the R-Tree cache:
```
npx babel-node prepare-rtree.js
```
At this point all of the data should be saved in geo-data/out folder.
= App integration notes =
Once you've extracted all the geo data, run the integration script that will
copy all files ignoring intermediate ones into the app/assets/geo folder:
```
python integrate-into-app.py
```
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