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Importing a new city into A/B Street

My current priority is to make Seattle work very well, but if you want to try out A/B Street in another place, you can follow this guide. Add to this issue if you find a new problem.

First obtain a .osm with your desired area. You can use a tool like Osmosis to clip a specific area from a large file. Put the .osm in data/input/osm.

Then you'll run some tools to import the map. Make sure you can compile everything from source.

cd convert_osm
cargo run --release -- \
  --osm=../data/input/osm/your_city.osm \
  --output=../data/input/raw_maps/your_city.bin
cd ../precompute
cargo run --release -- ../data/input/raw_maps/your_city.bin

You should now be able to load the map using the option from the main game menu, or by running cd game; cargo run --release ../data/system/maps/your_city.bin.

Future work

There are Seattleisms baked into the code.

  • import.sh should be generalized.
  • The driving side of the road is hard-coded to the right. Look for "driving on the left" in map_model/src/make/half_map.rs.
  • On-street parking is mostly not mapped in Seattle. Ideally you should fill out https://wiki.openstreetmap.org/wiki/Key:parking:lane for your city. I'm inferring these tags for most roads based on a King County GIS-specific dataset.
  • Demand data to generate a realistic set of trips comes from an agency specific to the Puget Sound, but again, importing this from other sources isn't hard.