Open Source Routing Machine - C++ backend
c-plus-pluscppcpp17isochronesmap-matchingopenstreetmaposmosrmroutingrouting-enginetraveling-salesman
b5d5f309a3
Lane Anticipation currently triggers on quick steps with lanes. This changeset makes the "quick" part more dynamic by taking lanes left and right of the turn into account. The reasoning for this is as follows. The user can drive on the leftmost or rightmost lane and has to cross all lanes left or right of the turn, respecitvely. We scale our threshold appropriately, which now means the threshold describes the duration the user needs for crossing _a single lane_. Note: this is a heuristic and assumes the worst case. Which in my opinion is fine to do since triggering Lane Anticipation in complex scenarios is desirable. |
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Open Source Routing Machine
| Linux / macOS | Windows | Code Coverage |
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High performance routing engine written in C++14 designed to run on OpenStreetMap data.
The following services are available via HTTP API, C++ library interface and NodeJs wrapper:
- Nearest - Snaps coordinates to the street network and returns the nearest matches
- Route - Finds the fastest route between coordinates
- Table - Computes the duration of the fastest route between all pairs of supplied coordinates
- Match - Snaps noisy GPS traces to the road network in the most plausible way
- Trip - Solves the Traveling Salesman Problem using a greedy heuristic
- Tile - Generates Mapbox Vector Tiles with internal routing metadata
To quickly try OSRM use our demo server which comes with both the backend and a frontend on top.
Related Project-OSRM repositories:
- node-osrm - Production-ready NodeJs bindings for the routing engine
- osrm-frontend - User-facing frontend with map. The demo server runs this on top of the backend
- osrm-text-instructions - Text instructions from OSRM route response
Contact
- IRC:
irc.oftc.net, channel:#osrm(Webchat) - Mailinglist:
https://lists.openstreetmap.org/listinfo/osrm-talk
Quick Start
The following targets Ubuntu 16.04. For instructions how to build on different distributions, macOS or Windows see our Wiki.
Install dependencies
sudo apt install build-essential git cmake pkg-config \
libbz2-dev libstxxl-dev libstxxl1v5 libxml2-dev \
libzip-dev libboost-all-dev lua5.2 liblua5.2-dev libtbb-dev
Compile and install OSRM binaries:
mkdir -p build
cd build
cmake ..
cmake --build .
sudo cmake --build . --target install
Grab a .osm.pbf extract from Geofabrik or Mapzen's Metro Extracts
wget http://download.geofabrik.de/europe/germany/berlin-latest.osm.pbf
Pre-process the extract and start the HTTP server
osrm-extract berlin-latest.osm.pbf -p profiles/car.lua
osrm-contract berlin-latest.osrm
osrm-routed berlin-latest.osrm
Running Queries
curl http://127.0.0.1:5000/route/v1/driving/13.388860,52.517037;13.385983,52.496891?steps=true
Documentation
Full documentation
Running a request against the Demo Server
Read the API usage policy. Simple query with instructions and alternatives on Berlin:
curl https://router.project-osrm.org/route/v1/driving/13.388860,52.517037;13.385983,52.496891?steps=true&alternatives=true
References in publications
When using the code in a (scientific) publication, please cite
@inproceedings{luxen-vetter-2011,
author = {Luxen, Dennis and Vetter, Christian},
title = {Real-time routing with OpenStreetMap data},
booktitle = {Proceedings of the 19th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems},
series = {GIS '11},
year = {2011},
isbn = {978-1-4503-1031-4},
location = {Chicago, Illinois},
pages = {513--516},
numpages = {4},
url = {http://doi.acm.org/10.1145/2093973.2094062},
doi = {10.1145/2093973.2094062},
acmid = {2094062},
publisher = {ACM},
address = {New York, NY, USA},
}