Questions tagged [routing]
consist of finding optimal paths along geographic networks such as roads or trail systems.
580 questions
1 vote
0 answers
44 views
Routing between two points using the actual highway network in QGIS
I am looking to route a vehicle between a given point and MSOA centroids in QGIS. Up to now, I have used the 'directions' tool kindly created by ORSTools to achieve this analysis. However, I find ...
- 11
1 vote
2 answers
83 views
Automating line tracing to maximize elevation differences in polygons for elevation profile analysis in QGIS [closed]
I am working with QGIS and need to automate the process of tracing a line inside each polygon in my dataset, in such a way that the line represents the maximum variation in elevation. The goal is to ...
1 vote
0 answers
56 views
Including turn restrictions in my routing to prevent impossible turns in QGIS
I have a street layer for routing. I'm using the QNEAT3 plugin for QGIS 3.40.3 but it keeps making impossible turns. For example, it takes turns on bridges over a highway to the highway directly ...
- 11
2 votes
0 answers
36 views
Prevent routing from connecting two streets with different z-indexes (e.g. at bridges)
We have a street layer for routing, where links have an integer z_level_from and z_level_to attribute. QNEAT3 plugin for QGIS 3.28 connects streets with different z-levels for routing. For example, it ...
- 21
2 votes
1 answer
270 views
Routing fastest route with weighted paths in QGIS
My task is to assess pedestrian safety in urban areas by analyzing how many formal (pedestrian crossings, signal crossings etc) or informal (jaywalking/non-signal crossing) are along the shortest path ...
- 537
1 vote
0 answers
69 views
Create route and alternate route in QGIS shortest path
I am using shortest path to create the shortest route from a point layer of addresses to a particular point using a street line layer as the routing layer. It all works very well. What I would ...
- 11
1 vote
1 answer
255 views
Phantom points in QGIS do not dissapear
Does anybody know how to delete these red dots with tooltips? There are not connected to any layer. Even if i delete all layers from the project these points remane in an empty project. Closing the ...
- 93
0 votes
0 answers
191 views
How can a request be started with Leaflet Routing Machine with one waypoint?
If a round trip is compiled with the Leaflet Routing Machine and lrm-openroutservice, this is not fired as the Leaflet Routing Machine requires a start and an end point => two waypoint. ...
- 21
1 vote
0 answers
58 views
pgr_nodeNetwork returns old_id as int and not bigint
I am using pgr_nodeNetwork('edges', 0.001, 'id', 'geom', 'noded', '', f) to create the paths network. Since the table is being re-generated multiple times the value of old_id in resulting table have ...
- 113
0 votes
0 answers
64 views
QGIS automate creating equally long routes from a line street layer
I have the task of designing routes within a street line layer that have similar lenght and are designed to drive along each road once. This is for purpose of conducting a survey where each street ...
- 537
0 votes
1 answer
252 views
How to query my locally-hosted ORS backend for directions using the openrouteservice R package
I am using the openrouteservice R package to access the directions endpoint of ORS API. I set my API key as follows: Sys.setenv(OPENROUTESERVICE_KEY = <my_api_key>) Then I go on to query the ...
-1 votes
1 answer
144 views
Route design for Travelling Salesperson [closed]
I need a GIS-based solution that helps to identify the sales route of a salesperson. In a given situation, I have 500k POS/point of sales throughout the country. To server those 500k POS there are 100 ...
- 3,257
2 votes
0 answers
101 views
Building route on defined graph of roads with intermediate stops in QGIS
I have a layer with stops of public ground transportation routes. I also have a layer with a graph of roads where public transportation can go. I need to build a route from the first to the last ...
2 votes
1 answer
133 views
Why does QGIS get the whole connected component regardless of cost when calculating service area?
I'm new to QGIS and I'm having a strange problem with its service area tool. I have a line layer representing a network of roads, imported from openstreetmaps. If I calculate the service area from a ...
0 votes
1 answer
305 views
Display route layer between current user location and geocoded search locaton in Leaflet?
I would like to create a simple Leaflet app that zooms to the user location, and also to a location defined within the geocode search bar. Secondly, the app should show the shortest route between the ...
