Valhalla
Dev tools
routing engine
SHOW HN2015
147points
54comments
#141of 2,565 in 2015
Top 6%of 2015 by points
How HN took it
CuriousMostly questions and neutral comments
5 positive, 16 neutral or asking, 0 mixed, 3 critical, out of 24 comments about the project. Thread score -0.01.
Docs: 2 for, 1 againstExecution: 1 for, 2 againstIdea: 1 for, 0 againstDesign: 1 for, 0 against
The thread, comment by comment
Each row is a top-level comment and its replies, in HN's order. Select a cell to open that comment on HN.
positive neutral or mixed critical about another commenter or something else the maker
What HN said
What people liked
Implementation is professional-grade
From 1 comment
Having worked in the routing space (not on this project) and reviewing the code, the implementation is professional-grade. Where as OSM data is rich and challenging to work with…
winddog001 on HN
Flexible Dijkstra/A* routing
From 1 comment
Just curious: Where did you heard about that Dennis moved to Apple :) ? Some clarification: * the process of the route finding is done by Dijkstra or A* or with a preprocessing…
karussell on HN
Objections
Routing mistake sent user across SF Bay (ferry)
From 2 comments
I think I may have found an issue with this. I tried to get directions, and it fell off a random road and then proceeded to have me swim across the San Francisco Bay: -…
TheSwordsman on HNHaving worked in the routing space (not on this project) and reviewing the code, the implementation is professional-grade. Where as OSM data is rich and challenging to work with…
winddog001 on HN
Does not prioritise freeways
From 1 comment
There doesn't seem to be any priority on freeways. I could route across the entire U.S. and never get on a freeway....
andrewguenther on HN
Licensing unclear for self-hosting
From 2 comments
I'm a bit confused. This doesn't seem like free software after reading the web page. It seems that the client is free, but the server component is proprietary SaaS and you have…
davexunit on HNThere is no proprietary component, if you want to self-host it's all here: https://github.com/valhalla But there is a free hosted service (with API signup) for convenience.
randyme on HN
Requests
Add public transport support
From 2 comments
Any plans to add public transport support?
dmitrykoval on HNYes -- if you're at State of the Map US in NYC this weekend, we'll be demoing it live. Stay tuned.
randyme on HN
Questions
How does it compare to OSRM
From 1 comment
How does this compare to Project OSRM [1]? [1] https://github.com/Project-OSRM/osrm-backend
jakobdabo on HN
Is it contraction hierarchies like OSRM
From 2 comments
The OSRM routing engine appears to focus on contraction hierarchies; is that also the case for Valhalla? http://en.wikipedia.org/wiki/Contraction_hierarchies
glennon on HNJust curious: Where did you heard about that Dennis moved to Apple :) ? Some clarification: * the process of the route finding is done by Dijkstra or A* or with a preprocessing…
karussell on HN
Alternatives named
OSRM
From 2 comments
How does this compare to Project OSRM [1]? [1] https://github.com/Project-OSRM/osrm-backend
jakobdabo on HNFor speedy street routing, the Open Source Routing Machine: http://project-osrm.org/ Like Google's proprietary routing engine, it leverages the scale of local and regional travel…
glennon on HN
OpenTripPlanner
From 1 comment
For speedy street routing, the Open Source Routing Machine: http://project-osrm.org/ Like Google's proprietary routing engine, it leverages the scale of local and regional travel…
glennon on HN
pgRouting
From 1 comment
Neat project. There is also a Postgres/Postgis extension pgRouting (http://pgrouting.org/) that will do routing in the database.
bebop on HN
GraphHopper
From 1 comment
How do you define best? I'm the author of GraphHopper. Easy to setup, fast and flexible. Try it here: https://graphhopper.com/maps/
karussell on HN