44 lines
1.8 KiB
Markdown
44 lines
1.8 KiB
Markdown
# erfamap
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Generate a map similar to https://www.ccc.de/regional from Wikidata and the doku.ccc.de Semantic MediaWiki data.
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## Installation
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1. Create a Python virtualenv: `python3 -m virtualenv venv`
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1. Enable the virtualenv: `. venv/bin/activate`
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1. Install the dependencies: `pip install -r requirements.txt`
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Instead of following these steps, you could also install the dependencies from your OS' package manager.
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## Usage
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For a quick test run, point the script at the cache.example directory:
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```
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./generate_map.py --cache-directory cache.example
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```
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Find the result in the files `map.svg` and `map.png`.
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**If the wrong font is used in the PNG, make sure the chosen font is installed on your system.** ([CairoSVG](https://cairosvg.org/) does not support the use of `@font-face` in style sheets.)
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When not cache exists or forcing cache renewal, you need to provide the HTTP Basic Auth credentials to doku.ccc.de via an environment variable:
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```
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export DOKU_CCC_DE_BASICAUTH=username:password
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```
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A run without cache takes some time as it fetches all data from their sources:
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1. Get a list of countries in Europe and federal states in Germany from [Wikidata](https://wikidata.org).
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1. Download all these countries' and states' border shapes from Wikimedia Commons.
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1. Get a list of Erfas & Chaostreffs from the doku.ccc.de Semantic Mediawiki API.
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1. Resolve all POIs' (Erfas & Chaostreffs) street addresses' to geocoordinates using [Nominatim](https://nominatim.org/).
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**Use the cache at least for the country and state borders. Otherwise, Wikidata will start rate limiting pretty quickly.**
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## Fonts
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The font contained in `style/concertone-regular.ttf` was created by Johan Kallas (johankallas@gmail.com) and is licensed unter the terms of the SIL Open Font License v1.10.
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