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

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How to find a route given a set of noisy points

First of all, I'm a total noob to GIS problems. Let's say I have a set of noisy GPS points (tracked while driving) along a number of streets. Is there a way to get the most likely route that generated ...
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33 views

Routing and OpenLayers: How would you connect a point to another through a 'road' node? [duplicate]

So my question is in a routing application,probably using osm as base layer, how do I get a line-string that goes through the road and not directly from one point to another? Is there any ...
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341 views

Calculate shortest path between each lat/lon point in one table and each lan/lon point in another in Postgresql

I have two tables, both of them have only 2 columns. The first one contain only latitude and longitude coordinates of my source points and the other one only latitude and longitude coordinates of my ...
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99 views

Does ArcGIS Directions API take Traffic into consideration when calculating Driving Time?

I'm trying to calculate the Estimated Time of Arrival (ETA) between 2 locations and I need to take traffic into consideration. I found this API call but it isn't clear if it includes traffic in the ...
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102 views

Implement a least cost path in a graph

I am trying to produce a routing functionality in a web-GIS that, given a start and an end point, will retrieve the least cost path taking into account points along edges representing major costs, ...
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304 views

adding geometries to a source, target table for multiple rows in pgrouting

I am having an issue trying to perform the pgr_dijkstra algorithm and getting back a line in my table for multiple rows. I have a table that has a columns of source, target node id's but I cannot ...
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141 views

How to deal with direction in pgr_ksp (K shortest path)?

I am working on a android app for navigation with PostGIS and pgrouting. I have implemented pgr_dijkstra and its working fine. I am not considering direction in routing at this point and just want ...
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74 views

OpenStreetMaps routing - starting far from a road

I am writing an web application, that needs routes between some markers (A, B, C, D). So far I used the this api with PHP, where I pass each pair of points (A and B, B and C, C and D .... and so on) ...
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176 views

Is there a pgRouting-like library for MySQL?

As described in the OsmDB.pm page I have created a schema in MySQL from an OSM file. Now I have to find the length of the shortest path between two given points (preferably using the A* algorithm). ...
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169 views

St_OffSetCurve with self-crossing lines

I have about 50,000 linestrings in PostGIS. They represent routes along roads. But I want them to be (roughly) pavements (aka sidewalks) instead. So I need to move all the lines 3 metres to the left ...
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133 views

Where can I find osm2po javadoc

I would like to build an offline routing engine to compute route distance between two coordinates. I found osm2po but I didn't found any sort of documentation. As far as i understood osm2po can be ...
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398 views

Calculating walking routes along a network(ArcGIS)

I've created a network consisting of footpaths, dirt tracks and junctions. I would like to calculate a route using network analysis by giving ArcMap the time and walking speed that the route should ...
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2k views

What alternatives do I have for Directions API other than Google Maps and MapQuest?

I need an API, other than the two below that, given the starting point and possibly the ending point, will re-order a list of waypoints by the shortest, fastest or optimized route: Google Directions ...
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5k views

How to match GPS collected data to routes on Google Maps?

I am using Google Maps to implement a GPS Monitoring system of data collected from vehicles. My problem occurs when the points and lines do not match with the route and cut through other streets and ...
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1answer
825 views

How to set up an OSM routing server

I would like to set up an OSM routing server on my LAMP stack. I am interested in doing a lot of of routing queries. I have a search function that is closely related to getting the driving distance ...
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147 views

Creating a custom, local Route Task

I'm trying to replicate something similar to the ArcGIS WPF Runtime SDK (C:\ArcGIS\WPF1.0\SDK\Samples\Sample Application\Sample Application.exe) "Routing with Barriers Online" sample with two major ...
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1answer
187 views

How to implement Landmarks in Network Analyst of ArcGIS 10.1?

I have been trying to implement the landmark functionality into route solving in Network Analyst using ArcGIS 10.1. I have added a point class as turn landmarks (as well as playing around with ...
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1answer
292 views

How to get route plan with certain distance with pgRouting?

I am working for a project. I have a road network which has been imported in PostgreSQL/PostGIS database. I can query shortest path between two points. I want to get route plan with certain distance. ...
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341 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?
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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 ...
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86 views

Is there a geoprocessing tool that I can use to find the closest road to a point on a map?

I have a Network Dataset layer that I use to perform routing. Even if a starting or ending point is not near a road in the Network Dataset layer, I still want to perform routing using those points. ...
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182 views

How to find routes between for each entry in a list of point pairs?

I have a postgis database with two tables. In the first table I have linestrings of a street network. The second table has points that are located on the street network. What I want is to find the ...
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290 views

st_startpoint(the_geom) returning empty values

When I upload a shapefile to PostgreSQL using the QGIS tool I can create the routing topology following this tutorial without any problem. But when I use the PostGis Shapefile Import/Export Manager ...
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612 views

Edge column in pgr_dijkstra

I am using pgr_dijkstra for finding the shortest path between two given nodes. The network map is actually a grid based one and I have created all the necessary columns and working fine. But I do not ...
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516 views

REST backend framework for routing?

I'm looking for a framework in Java or PHP to use it as backend for a mobile application. It should (if possible) implement REST services, geo functions for routing and CRUD services. I found the ...
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368 views

Tools to calculate routing distance

I'm working to a web application, and I need to calculate the routing distance (not the distance "as the crow flies") between a starting address and several final addresses. I don't need to render the ...
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75 views

Cleaning up Line Features

I'm in the process of creating some routes for which I need left and right sections. I have an original streets feature class, which I used "copy parallels" on, and came up with something like the ...
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350 views

pgRouting - Route between multiple destinations - in order

I want to calculate the route between multiple points, respecting the order of the list. For example, if I have the following list: Lat: -40, Long: -30 Lat: -41, Long: -31 Lat: -40.5, Long: -30.5 ...
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106 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, ...
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362 views

How to calculate travel time along a rail network in ArcGIS 10.3?

I have a custom railway line network with stations in ArcGIS 10.3. The numbers between each station represent travel time between the two stations. I would like to be able to select a station and ...
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64 views

Prefer Straight Routes for wayfinding?

Is there a way to prefer straight roads in network analyst rather than going through zigzag routes (i.e creating straight forward routing instead of really going through the shortest path)? I am ...
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168 views

What Open Source Packages are available to provide routing

I am looking for ways to validate mileage charged by our contractors. They are paid from a central location to a customer, and then from the customer to a drop off location. I use QGIS for a bunch ...
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95 views

problem transforming pgr route to a line - unexpected extra lines from St_MakeLine

I have created a line geometry from a pgr_dijkstra querry and I am getting an unexpected looking line in qgis. The following image illustrates the problem: The magenta line is the line created ...
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238 views

Generating points from chainage and offset

I have a polyline layer and an external csv containing road sign data. The csv has unique ID of the polyline, chainage along each unique segment and an offset. I have access to ArcGIS, MapInfo and ...
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70 views

Can a routing service take polygon geometry (for stops)?

I have built a small road featureclass, created a network off of it using network analyst, and created routes successfully in ArcMap. I'm now trying to create these routes in a silverlight web ...
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397 views

Road Graph Export Empty QGIS

Exporting the results of a shortest path analysis through the Road Graph plugin in QGIS 2.0.1 results in an "empty" layer. After running teh shortest path calculator, I selected export --> new ...
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4k views

Starting with OpenStreetMap for Android

My goal is to write an Android application where I could select a couple of points in the map and calculate shortest path between them based on my algorithms. I'm absolutely new to OSM and since ...
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252 views

How to achieve point to point routing?

Currently, the pgrouting 1. 5 version has a shortest path function which actually traces a path from nearest vertex of source to nearest vertex of destination but. As, Dijkstra's algorithm works on ...
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194 views

ArcGIS REST API Routing offsets

I'm having trouble with the ArcGIS json responses The geometry paths make no sense to me, they appear in the wrong place, relatively to each other they seem correct but they are not in the correct ...
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1answer
159 views

Does osm2po find routes of alternating modes e.g. car, ferry, car

I loaded europe-latest.pbf into osm2po using the default osm2po.config and java -Xmx8g -jar ../osm2po-4.6.9/osm2po-core-4.6.9-signed.jar prefix=eu tileSize=x,c ../europe-latest.osm.pbf and looked at ...
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213 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 ...
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1answer
296 views

How to correctly convert data from OSM with osm2po to use it with A* algorithm?

I want to make my A-Star fast, by using heuristics. At the moment it is very slow and even slower than my Dijkstra. I thougt A-Star is in the worst case as fast as Dijkstra. I convert my OSM bounding ...
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117 views

Design a routing system

I am trying to develop an application, firstly web, later mobile, that builds a route based on points of interest, basically it should show the route and the points of interest and when the user ...
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122 views

Will osm2po or other tools simplify links between nodes?

To make this clearer, I'm going to use the the word "section" to mean a length of road between two junctions/intersections. I think it is true that osm2po (under default user options) creates a graph ...
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37 views

Modifying an algorithm in pgRouting or creating a new routing algorithm [PostGIS using OSM Data]

I am currently making a routing application that uses pgRouting, PostGIS and OSM Data. Everything works fine but I discovered that the Dijkstra algorithm in pgRouting should be tweaked a bit to be ...
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28 views

Direction and Routing services in CartoDB API

I am much interested to know is there any direction and routing services for performing network analysis in CartoDB?Is it possible to store paths in cartodb? If so, is there an easy way to calculate ...
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39 views

Replicate routing behavior

I've been dealing with problem for a while now and I want to know if I'm in the right track, basically I want to replicate this site functionality and so far I think it can be done with pgrouting ...
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44 views

using OSRM Routing in Openlayers 3 to draw polyines on the map along the direction of the map

I'd like to implement routing on my map using OSRM and Openlayers 3 but there don't seem to be any examples or tutorials anywhere.All the sample are to confusing Sources refereed ...
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33 views

Adding Special Nodes to OSM Data for pgRouting

I am currently creating a system to route pedestrian to open areas. I used OSM data and osm2po to parse the data for pgRouting. Now, I want to create new nodes with an additional attribute or flag to ...
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27 views

PgRouting function to return the route geometry based on multiple stops(via)

Currently i am getting the route geometry by passing start and end points to function pgr_fromAtoB(int,int,int,int,bool,bool) But this will return route geometry only for start and end points but i ...