karussell #1
I invite you to try a planned feature for 1.0 which is now in a usable shape. It allows you to heavily customize the existing vehicle profiles without any Java knowledge. And not only per-request but also for the CH and LM preparations.
Cargo bike example:
base: bike
vehicle_height: 2.3
vehicle_width: 1.2
# let's assume cargo bikes are e-bikes and we should lower speed to prefer shorter and not faster routes automatically
max_speed:
road_class:
primary: 28
# if no other condition matches
max_speed_fallback: 25
priority:
# exclude steps
road_class:
steps: 0
surface:
sand: 0.5
# prefer better tracks
track_type: { other: 1.1, grade1: 1.1 }
# prefer official bike routes
bike_network: { other: 0.5 }
# avoid all situations where we have to get off the bike
get_off_bike: 0.5
As you can see from the examples there are already several things implemented:
- avoid, prefer or block roads with with a certain road_class (motorway, primary), surface, track_type, road_access (destination, …), road_environment (tunnel, bridge), toll, bike or hike network etc
- define maximum vehicle properties like for speed, length, weight, height and width
- lower the average speed via a speed_factor i.e. influence the time!
- cap maximum speed (also influences the time!)
- avoid, prefer or block areas via GeoJSON or also change speed or cap speed based on these areas.
- avoid, prefer or block countries also works if issue 1875 is fixed (usage: add
countryencoded value and set border_directory) - change distance influence to prefer shorter but potentially slower routes
As there is no documentation except the PR itself and the tests I would appreciate your feedback about the usage and what is unclear or even your first custom profiles .
Previously discussedhere andhere.
karussell #2
Have hacked together an interesting feature where we can avoiding certain turns like left_turns. Currently it still has some unexpected behaviour (for T-junctions) and is rather slow for longer routes, as the junction calculation stuff is done while the graph exploration, but it is really fun and interesting which routes are found:
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