osrm | Shortest Paths and Travel Time from OpenStreetMap with R | Map library
kandi X-RAY | osrm Summary
kandi X-RAY | osrm Summary
OSRM is a routing service based on OpenStreetMap data. See for more information. This package allows to compute routes, trips, isochrones and travel distances matrices (travel time and kilometric distance). This package relies on the usage of a running OSRM service (tested with v5.26.0 of OSRM). You can run your own instance of OSRM following guidelines provided here. The simplest solution is probably the one based on docker containers. :warning: You must be careful using the OSRM demo server and read the about page of the service: > One request per second max. No scraping, no heavy usage. :heavy_exclamation_mark: To consider when using OSRM: > “Most of the previously active core devs have either moved on to new roles, or are simply busy on different projects (…)”.
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Community Discussions
Trending Discussions on osrm
QUESTION
I need to force OSRM to switch the language in road.mNodes.mInstructions
to English in order to work with English TTS. How do I achieve that in Kotlin? I'm using OSRMRoadManager from OSMBonusPack.
ANSWER
Answered 2022-Feb-23 at 13:18I don't see an obvious answer. Basically, you need to change the way DIRECTIONS hashmap is initialized.
Suggestion : you could subclass OSRMRoadManager, adapting buildInstructions(int maneuver, String roadName), to use your own DIRECTIONS object.
If you see a simple change to do inside the lib (adding a "language" option somewhere), don't hesitate to push a PR.
QUESTION
I am trying to build a docker that imports the OSRM backend server, but then immediately imports and extracts the correct osm.pbf file. Now I am somehow not getting anywhere. My Dockerfile so far:
...ANSWER
Answered 2022-Jan-11 at 08:08So here is my working Dockerfile
QUESTION
I am writing an application using osm in Openlayers. I'm having trouble adjusting the direction. I determine the direction of the device. Keeping the icon fixed and rotating the map shows the ridiculous places. However, using the device's orientation, it only shows the right place when you rotate the icon. It may be related to the first aspect of the icon, but I couldn't solve the problem. How can I solve this problem?
...ANSWER
Answered 2021-Dec-31 at 13:54I don't know why, but I multiplied the alpha by -1 and fixed the beta at 90 degrees. Problem solved.
QUESTION
I am using Leaflet 1.2.0 and Leaflet Routing Machine 3.2.12.
My code is drawing the correct route on the map, yet, when i want to access the summary and the totalDistance from the summary, both are undefined. Why is that?
...ANSWER
Answered 2021-Dec-03 at 15:49this
doesn't have a summary
. You will need to refer to e.routes
, like e.routes[0].summary.totalDistance
.
QUESTION
Using the osrm package, I want to calculate the distance between two points stored in two different columns of a data frame and put it into a new column.
Doing the following, however, does not work and throws the error: object 'lon' not found. What did go wrong here?
...ANSWER
Answered 2021-Nov-09 at 13:43The problem is that an sf
object can only have one geom
column active at a time. To get around this, just call the sf
objects test1
and test2
and it should work.
Please find below the modified code and the corresponding output.
- Code
QUESTION
These lines of codes create a local http server, I want it in https (self cert)
...ANSWER
Answered 2021-Oct-11 at 09:02osrm-backend
is a development server and does not support TLS. You should either run it behind reverse TLS proxy like nginx
or use different server. See this thread for the additional information.
QUESTION
I'm starting a Shiny app with a leaflet map in it.
I need the user to be able to place two separate markers (origin & destination) on the map, and potentially replace them later on.
So what I did is create an origin button and a destination button, so that when the user clicks one of them, they'll place or update the corresponding marker with their next click on the map.
...ANSWER
Answered 2021-Sep-17 at 14:47So I ended up going for a radioButtons
instead of two actionButton
s.
Then in the observeEvent
for map_click
, I used a simple if
to check which of the radio buttons was selected:
QUESTION
Below is an example of animating vehicle moving from A to B. [solved by @mrhellmann here, there are solutions also available]
I want to animate vehicle moving from A to B and then wait at B for sometime and then return to A. Below is the code which has animations of both the trip (A-B and B-A).
How can we merge
osroute_sampled_1
andosroute_sampled_2
to create single animation?Also, how can we add wait time (make vehicle stationary for few seconds at B?
Note - Vehicle may not return to A, it may go to C. So creating a single route using same origin and destination (A) via B may not work
...ANSWER
Answered 2021-Aug-25 at 07:46Never really worked with sf
and friends before, but after reading the docs I could imagine a solution like this to fulfill your needs.
Since sf
are in fact extended data.frames
they naturally come with an rbind
functionality. Having said that, the whole task should be as easy as rbind
'ing all the relevant paths together. As for the waiting time, simply repeat the last row in the sf
a couple of times, which would give you the impression of the vehicle stopping at B (and A on the way back).
QUESTION
below is an example of finding route, travel time and travel distance from 'One World Trade Center, NYC' to 'Madison Square Park, NYC' using osrm
package in R. (I learnt it from Road Routing in R). The travel time here is 10.37 minutes.
I wanted to create an video for visualization.
Q. How can I create an animation of vehicle (represented by a marker) moving from 'One World Trade Center, NYC' to 'Madison Square Park, NYC' along the route ?
Ideally, we should know the speed in each road segment. But lets assume the vehicle moves non-stop at constant speed (= distance/time) between two location.
We can simply use tmap
instead of leaflet also to create animation.
ANSWER
Answered 2021-Aug-24 at 00:46Sample the route (a LINESTRING) with the number of points you would like to have, then use an lapply
function to make the map objects, and use tmap_animate
to animate them.
Adding to your code above:
QUESTION
below is an example of finding route, travel time and travel distance from 'One World Trade Center, NYC' to 'Madison Square Park, NYC' using osrm
package in R. (I learnt it from Road Routing in R). The travel time here is 10.37 minutes.
Q. How can I interpolate and find location after 5 minutes.
...ANSWER
Answered 2021-Aug-17 at 23:10Use the osrm::osrmIsochrone()
function to find the five minute travel distance polygon, and then find the point that the route intersects the polygon.
It looks like its on Clarkson Street between Hudson & Varick.
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