Contents
How to use custom data in routing in OSRM?
Merge files – your and OSM. Connect routing networks – put some fake ways -> Get node ID’s both networks /OSM and custom data/. Store ways and nodes used to connect fake ways – ID, long,lat. Next time when you update data this will help to check for broken connections.
When to use custom data with OSM data?
You can use your own data with OSM data. Both have to be in OSM format. From my experience: This works when you want to combine OSM and custom data for neighbour regions. Little overlap in border areas is not a problem. For example when use OSM data for Europe countries/excluding Austria/ and custom data for Austria.
How to add extra nodes to OSRM topology?
Download the extract somewhere, and call it source, duplicate source and add your extra nodes without breaking the topology, (OSM work in topological level if i remember correctly); use that modified source version as input to OSRM.
Is there a way to add elevation data to OSRM?
Looking around, there are several OSRM issues that discuss adding elevation data to OSRM ( #271 and 546, for example). From reading them, and some other posts , it is apparent that lots of people have worked on this, and some have might have working solutions. However, I could find no comprehensive documentation on how to actually do this.
What does preprocessing do to the OSRM profile?
The preprocessing generates a file that the OSRM profile, the code responsible for generating the travel times for OSRM ways (the “cost” of going a certain way), can read and use.
How to create custom route table in azure?
In the Azure portal, go to your virtual hub and create a custom route table called RT_Shared. This table learns routes via propagation from all virtual networks and branch connections. You can see this empty table in the following diagram.
How does the Create network dataset tool work?
The Create Network Dataset tool automatically creates one cost attribute, Length, which is based on the geometry field from the network sources. While Length is an accurate description of what the cost attribute represents, it’s not very clear.
How is the percentage of candidates chosen in OSRM?
This value is used to determine which points should be considered as candidates (larger radius means more candidates) and how likely each candidate is (larger radius means far-away candidates are penalized less). The area to search is chosen such that the correct candidate should be considered 99.9% of the time (for more details see this ticket ).
How is the mode of Transportation determined in OSRM?
All OSRM HTTP requests use a common structure. The following syntax applies to all services, except as noted. Mode of transportation, is determined statically by the Lua profile that is used to prepare the data using osrm-extract . Typically car , bike or foot if using one of the supplied profiles.
What are the options in the OSRM API?
In addition to the general options the following options are supported for this service: Use location with given index as source. Use location with given index as destination. Unlike other array encoded options, the length of sources and destinations can be smaller or equal to number of input locations;
Why are there no trips found in OSRM?
No trips found because input coordinates are not connected. All other properties might be undefined. This service generates Mapbox Vector Tiles that can be viewed with a vector-tile capable slippy-map viewer. The tiles contain road geometries and metadata that can be used to examine the routing graph.