# Tagged Questions

Routing consists of finding optimal paths along geographic networks such as roads or trail systems.

308 views

### Create my own navigation/routing system [closed]

I'm studding AI course and I need to create a routing or navigation program. I live in Barcelona and first at all I need Barcelona's street network data. I have found it here https://mapzen.com/metro-...
124 views

### ArcGIS historical traffic data with Impedance attribute of miles

I'm trying to solve a route using an impedance of miles (to get the shortest route) through ArcGIS Sever 10.3.1 rest API. However, I would also like to get the travel time of this route based on ...
25 views

### Convert moving duration into routes

Which algorithm, that is based on open Street map takes the current GPS position, a duration and an average speed or way of transport(by foot, by bike or by car) and outputs possible routes, that ...
43 views

### Calculate how many points a route goes through

Is there a way in which a route mapping interface can determine how many points a certain (user created) route has 'touched'? In the sense that firstly: I have a set of markers or points (e.g. ...
55 views

### Creating routable grid map with pgrouting considering -180 & 180 discontinuity

I was able to create a routable grid based network table with gid, source, target, cost columns. I used pgr_create_topology function for this purpose. I use this map to apply the pgrouting algorithms ...
282 views

### Get Multiple Shortest Path using PgRouting in One Query

I am trying to get multiple shortest path using A* Algorithm available in PgRouting. I referred Solution given by UnderDark ( Link of the Stakoverflow Post ) . But it is not giving me proper Output. ...
130 views

### Routing algorithm for geographical data

I have a graph extracted from an American city: vertices represent road intersections, edges/arcs represent road segments connecting the intersections. For each road segment, I have the length and ...
829 views

### Calculating Speed of Android device in Navigation mode using ArcGIS Runtime SDK?

I am working on a Navigation App and I am using ArcGIS runtime sdk for this. It looks pretty straight forward and I was able to create a simple app. Now I want to calculate the speed of the device ...
19 views

### Default routing is way off for this specific route

I'm using ArcGis REST API to get routes. Nothing special, just standard driving routes. Actually I'm using it for transportation industry but right now I didn't configure any travel modes and just ...
1k views

### Network Analyst not working

I have network analyst installed as an extension in my arcGIS 9.3, but it just does not work!!! when I go to ArcCatalog, the option of new network data set also does not appear... :( I have to do this ...
24k views

### Export Google Maps Route to KML/GPX

Since Google pulled the plug on Google Maps Classic, I'm reluctantly moving to its Google Maps New application. However, I didn't find how to export a route to a GPX or KML file so it can be copied ...
644 views

### Building Large Network Datasets from OpenStreetMap in ArcGIS?

I'm trying to build a "large" network dataset from OSM data in ArcGIS. Doing it all at once is taking a "long time" and seems like there is a big opportunity for it to fail at some point which would ...
5k views

### Cartographic techniques for symbolizing routing data

Some common problems with displaying routes created from street data, such as bus routes, include: Routes may overlap themselves, such as when a route takes the same road in opposite directions ...
62 views

### Osm2po missing some streets in SF

I recently used osm2po (v 5.0.0) on SF with these parameters: java -Xmx8g -jar osm2po-core.jar cmd=tjspg prefix=sf tileSize=x california-latest.osm.pbf and everything looks great in the whole city ...
175 views

### Leaflet Routing Machine won't read waypoints from variable TypeError: t is null

I am trying to add waypoints from a variable to a leaflet map. The resulting variable split_route1 is formatted correctly and when I hard-code the waypoints from the console log results, the ...
269 views

### How to store route names of a stop belonging to multiple routes

I've been reading the ArcGIS help files on route analysis to gather more information on what attributes are stored with Stops. Maybe I've stared at the screen too long, but I cannot seem to understand ...
3k views

### Route optimisation for multiple vehicles

I have 100 destinations and 5 vehicles and I need to code a solution that efficiently routes the vehicles to each destination, so each destination is visited by 1 of the vehicles. Some of these ...
107 views

### PostGIS for GPX analysis

I have GPX trails of vehicles/bikes of a particular city. Meaning, lat/lon, timestamp of bike trails from where a particular bike started and ended at different hours of the day. I have sets of these ...
123 views

### Can DARP be used for Non Emergency Medical Transportation problems?

I have a Non-Emergency Medical Transportation (NEMT) business and am looking for the best solution that can automate the dispatching process. I looked over DARP and it seems fine. I need to know 2 ...
404 views

### QGIS Python Script - Routing along Waypoints [closed]

I used Anita Graser's script point_layer_to_route.py which worked like a charm until I updated to 2.6. With QGIS 2.6 I always get objects without any features. Can anybody tell me if he/she had the ...
231 views

### Why does ArcGIS 10 Calibrate Routes give Error 000443?

I am trying to calibrate routes using points along them. Those points are represent counts of hikers per hour. I have done a spatial join between my route layer and my points to have the RouteID in ...
381 views

### Display Network analysis route service in India

I am working on ArcGIS JavaScript API, I need to display route from one point to another. Thats why I need any Network Route Service for India. Is there any?
124 views

### How to split a road network into parts of same length?

It's my first time trying to use routing software. I prefer to use free and open source software but ArcGIS Network Analyst is available, too. For an university course i need a solution for the ...
232 views

### Getting route segments from OSM data and assigning ETA for them

I have a problem of assigning possible ETA for a route. So far, I have the following: OSM data for a city. I have open source data of taxi trails for the same city. Now, I am planning to divide ...
125 views

### Developing an iOS GPS App

I'm an experienced programmer looking to develop a GPS App with these constraints: I Need a turn by turn level of precision I Need to know if a street is one way or not I Want to calculate an ...
130 views

### Is there a way to minimize turns in Network Analyst routing?

I have a network of pedestrian routes and I want to provide them with clean directions, but Network Analyst chooses the first route that it can turn towards destination and gives me a zig-zag road. Is ...
35 views

### An algorithm that could find a random cycle in a graph

I am looking for an algorithm that could find a random cycle in a graph from a node while that cycle is traversing around another nodes (area). For example, from the green star on the left of the ...
2k views

### How to calculate driving distance/time between two points

I am doing some analysis for our fire rescue department where we are comparing actual response times to fires vs predicted response times. The actual response time analysis is straight forward as I ...
649 views

### How to import OpenStreetMap data into GraphX?

How to import OpenStreetMap data into a Spark GraphX RDD? Would like to see feasibility of doing drive-time analysis in our own Spark cluster. Thought to use osm2pgsql or a similar project, but not ...
19 views

### Routing through bottlenecks

I have two races in the same town that make use of the same stretches of roads/paths in places (sometimes in the same direction, sometimes in opposing directions). Given that I know the pace of the ...
24 views

### Capping the amount of a certain cost per route with Network Analyst

With the Network Analyst extension in ArcGIS 10.2, is there a way to set the maximum amount of a certain cost that a route must not exceed? For example, can I require routes to be below a certain ...
958 views

### Driving directions and multi-modal route planning service for a city with OpenStreetMap data

First off I'd like to mention that I've never come close to anything-GIS until a few weeks ago when I thought of this. So please expect some layman's questions. I'm looking to create driving ...
157 views

### What is the most user friendly OSM route planning API?

I ran a workshop last week on GIS for Transport Applications. In Nick Bearman's tutorial (available from the previous link) we used Google's routing API (via ggmap) and CycleStreets.net routing ...
79 views

### ArcGIS API for JavaScript RouteParameters vs REST API

I have the network analysis service and I need to get the route between two points, but I don't want the single path polyline, but rather set of paths representing the edges it travels though (pretty ...
237 views

### How to make a routable network topology?

We are trying to make a network topology for pgRouting from our own data. But there is a problem we could not resolve; our road data look like this; The red edge is a single geometry, so we can not ...
466 views

### ArcGIS Android finding the shortest route between multiple stops

ArcGIS is already equipped with API service which calculates the shortest path between a start and an end point based on length, time etc. The following is how the service is called to returns in a ...
169 views

### Map Positioning and Routing on Android

I have been instructed to create an small offline application in Android that have to: a) Use our own map in JPEG format as the basemap (Google Map / OpenStreet Map is not applicable) b) Show the ...
86 views

### Routing two not-node points and road side with pgrouting

I'm starting to use pgrouting and I have a couple of problems. In my project I have a lot of points which are near one of the road sides. I'd like to know how I can route two of these points since ...
1k views

### How to get route between Two lat/long using ArcGIS Map in Android?

What I'm trying to do is have two edit boxes for source and destination. Based on those two locations I need to draw the route on an ArcGIS map in Android.
63 views

### how to find optimum number of college bus routes for connecting 120 bus stops, distributed over large road network

I have 120 bus stop locations with road network and number of students. I prepared the network dataset, but i don't know what to do next to find out optimum number bus routes which required to ...
533 views

### Finding optimal network with python and network analyst in arcgis 10.0

Hello GIS StackExchange, I'd like to know if there's any way to find the shortest distance across the diagonals of a polygon. I am creating a network analyst solution to determine the most cost ...
446 views

### Different results in OD Cost Matrix analysis and Route analysis

I am using OD Cost Matrix layer in order to find distances between many origins and destinations points. It works fine, but I want to make sure the results make sense, and since OD Cost Matrix can ...
652 views

### How to compute the smallest network that connects all points using PostGIS?

I have a set of postgis scripts which generates two tables - one of a set of points and the second a set of roads which surround them. All data is in the same projection and both outputs are stored in ...
122 views

### Getting all possible directions from a geo point in osm2po

Wanted to share some of my code I use to get all possible routes from a random geopoint in osm2po. Graph graph = loadGraph(); OverlayNode node = new OverlayNode(lat, lon); if (node.snap(graph, (...
55 views

### Selecting elements from network with shortest path in QGIS?

I have a network of vector elements (let´s say 70 elements) that are connected in each node. Actually, it is a pipe network built with the help of GHydraulics (http://epanet.de/ghydraulics/index.html....
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### How I can use TSP function in pgRouting 2.0?

I've spent years working with pgRouting and so far he had solved the problems I had needed. With the change to version 2.0, things improved, everything was much more organized and new algorithms that, ...
612 views

### Best flow routing algorithm for determining location where spill enters stream?

What would be the best flow routing algorithm for determining the quickest (and by this I suppose I mean shortest) path that a spill would take when traveling to a stream? My best educated guess ...
353 views

### Create an optimized point layer derived from a road layer so that the driving distance between each point is x

Consider a classic state-wide or country-wide roadway network. I want to create a point layer, where each point is on the roadway network. This point layer will have each point separated by its ...