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Questions tagged [graphhopper]

GraphHopper is a fast and Open Source route planner library and server written in Java.

GraphHopper is a fast and Open Source road routing engine written in Java. Running in desktop, mobile and server environments. It is customizable but provides pedestrian, bicycle and car routing per default.

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Different routing behavior between local installation and online service

I'm trying to use the standalone version of Graphhooper (0.4) to project a route containing a address and a Geo-coordinate in Lat/Long. While the online example works as expected and is able to project a route for a car. My local installation is…
Alex
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Route not found that should be routable on own Graphhopper installation

The Problem: On my Graphhopper (GH) installation, there are some cases that are not routable, that should be routable in my opinion. The same route is routable on the GH Demo version, while my installation uses the latest GH code. Examples: This…
Thermometer
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Graphhopper gpx file- checking route tag

The situation looks following: We have a GPX file (which is basicaly XML) from routing service Graphopper that base on OpenStreetMaps. Each route in this maps .osm( same kinda XML) files is tagged eg. highway =primary , highway=motorway ... What I…
huberttt
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Graphhopper for server multiple routes at the same time

I developed a Graphhopper webapp. But likely there is no posibility to calculate multiple routes at the same time (If you deploy a webapp multiple users wil ask a route at the the same time). Is there any solution to calculate multiple routes at the…
Sven Nijs
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Remove previous route in graphhopper android?

I am using graphhopper and mapsforge to show the route in my android app.The route is shown in my mapView from the polyline but when I change the location of second point the new route is shown above the previous route.So I need to delete this…
Su_race
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GraphHopper Dynamic Routing

I know the question of GH dynamic edge weights has been raised in various forums, but I still find myself lost on how to implement this. I have seen options like - changing the edge weights and recalculating the contracted graph, disabling…
DonKariro
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Multi route graphhoper project

Have a nice day. I'm creating a project using graphopper and I want to route all routes for not one, but several routes from point A to B. How do I do this? I have tried: EdgeIteratorState edge =…
Алексей Шайков
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Reading OSM Map (or other format) files to determine shortest distance from coordinate to path

My App uses openstreetmap files to show waypoint (or coordinates) on a map. Based on an Openstreet map file: how can I determine the shortest distance from a GPS coordinate to the (walking) path. Can I read an OSM (map) or .osm file ... to access…
tm1701
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graphhopper reverse route not found

I'd like to get a matrix of road distances and travel times between multiple points. I have an issue between these to points:- 51.081297772562586,-4.06079346786545 and 51.54113829438801,-0.0005337596804528456 Grpahhopper can find a route from A to B…
user3393725
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possible to lookup address locations with graphhopper via url?

I can't find any information so is it possible to lookup a address localtion (lat, long) with graphhopper via url like the search.php in nominatim? thanks & regards
user3312032
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Graphhopper - Travel Times Between All 30,000 Visible Zip Codes?

I'd like to calculate the matrix of travel times between US zipcodes. There are about 30k visible zipcodes, so this is 900 million calculations (or 450 million assuming travel time is the same in both directions). I haven't used graphhopper before…
Steve Maughan
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Why is nodeA smaller than nodeB in GraphHopper data layout and how the edge direction is represented?

The document https://github.com/graphhopper/graphhopper/blob/master/docs/core/technical.md states that "nodeA is always smaller than nodeB" related to GraphHopper data layout. Which are the benefits of implementing it that way? How the edge…
regispires
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Get a list of all cities in a country (or state), including latitude and longitude

How can I use GraphHopper to get a list of all cities in a country (or USA state)? For each city, I need a latitude and longitude. (I presume the city's latitude and longitude would be the official middle of that city.)
Geoffrey De Smet
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I want to know if the GraphHopper is free to use a company internally?

I need to develop an internal application where the user of a source and up to 8 destinations, the best route is drawn on the map and show the distance in km. So based on that mileage the system calculates how much it would cost. I implemented this…
csf
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Merging GraphHooper and Truck QA Map

I would like to create an commercial Android GPS app that allows to route a way depending on a speed limit and a vehicle restrictions such us its height and width. I picked GraphHooper as a routing engine and because it does not provide informations…
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