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

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9
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3answers
575 views

What's the best way to implement routing through areas such as parking lots?

I'm using OSM2PO to route for walking directions and I've noticed a lot of the OSM walking paths are not ideally setup. For example there are many paths which get divided up by parking lots, which ...
2
votes
1answer
166 views

How do you ignore one-ways osm2po?

I've been using OSM2PO and it's a great system so far. However, in version 4.5.2, I can't seem to ignore the one-way restrictions for calculating walk distances. In the browser version, I check on ...
2
votes
2answers
628 views

Should I implement TSP or Dijkstra?

I was asked to create a shortest path algorithm in java to use with OSRM. I want to create a route between some points (normally more than 3). The first one, will be the starting point and also the ...
2
votes
4answers
3k views

How to route on OSM without using any already released routing engine?

i'm a computer science student and a complete beginner in GIS and stuff. i'm trying create my own web-based multi-modal journey planner as my thesis. And as it is a thesis i cant use any ready-made ...
1
vote
1answer
134 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 ...
3
votes
1answer
256 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 ...
3
votes
1answer
222 views

How can I solve “Shortest and Fastest With time” routing issue?

Please see the image below. (If you can't see the image please search "Bangalore to Palakkad" in Google Maps.) I am searching for a route from Bangalore to Palakkad. Google shows two routes. I ...
1
vote
2answers
310 views

How to join polygons and lines vector maps from openstreetmap?

I am struggling with the data format OSM gives me: I want to use OSM data for routing, but all round-abouts and parking lots are not in the lines layer. They are situated in the poly(lines) layer. ...
3
votes
2answers
375 views

Reinventing the wheel: Public Transit System

I'm building a public transit service in South Africa, and I initially started the project on PHP and MySQL. I've managed to get far with the simple stack, with: Routing algorithm in PHP Data ...
6
votes
1answer
536 views

calculate slope for a road network

I am working on a road network for routing operations using postgis and QGIS. I am new to both of these tools and need to calculate the slope for each edge (by retrieving the Z value for the start ...
11
votes
1answer
401 views

Are there any intelligent travelling salesmen?

Jokes aside, I have had a routing problem that is almost a travelling salesman problem (TSP): the starting point is defined the end point coincides with the starting point each node has to be ...
2
votes
3answers
227 views

Looking for TSP with Target different from Source

I know the TSP (traveling sales person) in osm2po is beta but it works quite well. Is there a way to designate a final target location that is different from the initial source location. In other ...
5
votes
5answers
508 views

Improve performances on distance coverage routing - PostgreSQL

I have to create layers of land coverage from one point to anywhere around on a given street network for a given distance (ex: FROM house, DISTANCE 30000m) An important factor to understand; I need ...
2
votes
1answer
320 views

Is there a way to route different vehicles within OSM2PO?

Is there a way to route different vehicles within OSM2PO? I would like to start the service with a config file and then turn different flags on/off depending on whether the route is for a bike or a ...
2
votes
1answer
332 views

Can I get time & distance from OSM2PO without loading data into PostgreSQL?

Can I get time and distance from OSM2PO routing without loading the data into PostgreSQL? I've seen the answer regarding matching IDs with the DB, but I need to do this using only the OSM2PO service.
5
votes
2answers
964 views

Seeking a GIS for indoor mapping and direction finding

I've seen a few options for indoor GIS platforms such as Google's indoor mapping, implementations of OpenLayers, Open Street Map, and many other plausible solutions. There's even a post on here asking ...
9
votes
2answers
3k 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 ...
4
votes
2answers
2k views

tool to find the routing distance between two latitude/longitude points using OSM data

I need a tool to find the distance between two points whose longitude and latitude are given. I am making an application so it will require bulk queries, so i cannot use google maps distance matrix ...
2
votes
2answers
139 views

Are there open standards for storing multi-modal routing graphs?

I'm looking for any open standards (or maybe best practices) for storing multi-modal routing graphs, eg. info for pedestrian, bike, public transport and car routing, etc. Every data provider seems to ...
1
vote
1answer
7k views

Computing Shortest Distance using Google Map v3 and Openlayers

How to compute shortest route between two points in google map that user selects and provide all routes from source to destination in Transport system?
2
votes
1answer
954 views

Is it possible to integrate a route planner into QGIS?

I am looking for an open source GIS and now asking myself if it is possible to integrate a route planner into QGIS. The route planner should be able to calculate the distance from one position in the ...
3
votes
1answer
229 views

Using landmarks in routing directions for ArcGIS Network Analyst?

I was wondering if there is a way to use a set of landmarks (in a point class or something) that will be included in the directions output for a Network Analyst route. So if there is a point (or ...
2
votes
3answers
356 views

Is it possible to make a routable graph from Polygons?

I would like to know if it is possible to make a graph with pgrouting 1.05 on polygons. What I mean is that I have to make a graph on a database without roads but with polygon geometry. I would like ...
1
vote
1answer
158 views

Is it possible to use assign_vertex_id() POLYGONs?

I'm trying to use pgrouting in order to create a graphe and I have two questions : Is it possible to use the function assign_vertex_id() with a POLYGON geometry type? I always have the following ...
2
votes
2answers
113 views

How would I go from a set of points representing routes to a set of map tiles for online consumption? [duplicate]

Possible Duplicate: Web-based user editable routing application I have a set of routes as a text file with coordinates. For each coordinate I also have whether or not it is an intersection ...
3
votes
2answers
430 views

Web-based user editable routing application

I am totally new to web-based GIS (and open source GIS) and am now working on a web-based travel planner using Postgis and Pgrouting with multicriteria costs. I want the end users (the traveler) to be ...
3
votes
2answers
4k views

How to get routes and download them from OpenLayers?

I am trying to generate a route in openlayers with a start and end points and some points during track. I read about openroute: http://wiki.openstreetmap.org/wiki/OpenRouteService#RouteLink But I ...
8
votes
1answer
689 views

How to Simplify a Line Network Preserving Topology?

I have a Shapefile (consisting of European major roads) with about 250.000 Segments which I have to simplify for pgrouting. But I can't seem to find a way to do that properly. This is what it looks ...
1
vote
1answer
261 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. ...
2
votes
0answers
416 views

Open Source Tools for Swept-Path Analysis?

Before I spend time writing something, does anybody know of any open source tools to perform swept-path analysis (preferably suitable to run on Windows and a Python API would be a bonus)? I pretty ...
-2
votes
1answer
1k views

I need QGIS routing plug-in [closed]

I am new to pgrouting. How does it work? What benefits can I get from it? I tried the examples, read some articles, but could not find the QGIS routing plugin for Windows. It is not showing up in the ...
2
votes
2answers
494 views

how feasible is building my own map server? providing GeoCoding, Directions and Navigation

My need is a heavy use of routing. same as Google's Directions API. I'm looking for a viable alternative to abusing google and paying them too much. how difficult is it to have my own server for that ...
4
votes
1answer
344 views

How to create a service area using both streets and buslines in the same network?

I want to create a network analysis more difficult. Therefore, I want to calculate a Service Area around hospitals next to busstops. But: The network does not only consist of roads and ...
10
votes
2answers
403 views

Looking for best practices for determining turn penalties

Shortest path routing will often return routes with a lot of turns (zigzag shape). If you want to get routes with fewer turns, you can use turn penalties to make turning more "expensive". What are ...
5
votes
1answer
1k views

What is the best map provider solution for repetitive routing use?

[edit] What is the best solution in terms of cost effectiveness, stability & speed for running a lot of routing requests and comparing them. lots of times over and over? I understand now that it ...
5
votes
3answers
294 views

GIS Application for online map and journey planner

I am planning to implement an online map application with journey planner for a city. I don't have any experience in GIS development but I have a few years of experience in Java development. So ...
3
votes
1answer
168 views

Network Analyst directions window options

I have created a vehicle route problem with multiple route zones with one depot in each zone. Each zone has a pickup route that delivers to the depot in the zone. Some addresses have special ...
3
votes
2answers
1k views

Mapping and Pedestrian Routing on Android (guidance needed)

I 'm new to this stuff (GIS). I was assigned a project in which i have to implement for the Android platform: showing up maps showing up routes showing up nearby POIs. Everything has to be ...
3
votes
1answer
463 views

How to route on a Shapefile?

We use shp.file in our VB6 to run tracking system. Now we want to convert it into the navigation system, which requires doing the route analysis on shp.file. The route is drawn in shp.file Usually, ...
5
votes
1answer
431 views

How to restrict or block certain paths in NetworkX graphs?

I am trying to calculate shortest path between 2 points using Dijkstra and A Star algorithms (in a directed NetworkX graph). At the moment it works fine and I can see the calculated path but I would ...
10
votes
2answers
899 views

Is there a way to add turn restrictions in A* and Dijkstra?

We are currently working with pgRouting and found that there's no way of implementing turn restrictions (e.g. banned right or left turns). While it is possible to assign "to_cost" and "rule" in ...
5
votes
1answer
1k views

How to route over (partial) edges in pgrouting?

I have made a route planning system (based on shortest path using A*) like the Google directions service using pgrouting and google maps. It includes clicking on the map to generate waypoints, ...
5
votes
1answer
862 views

How to create a routable road network from Ordnance Survey data?

I've been following the "Beginners Guide to pgRouting" in an attempt to create an in-house application that provides drive-time isochrones. I have a server, postgreSQL and PostGIS and pgRouting - no ...
2
votes
0answers
121 views

How to fix Graphserver warning “osmdb has no edges!”?

I'm really new to GIS. I have some shapefiles data that I'm trying to import in graphserver. I'm doing: gs_osmdb_compile output3.osm output3.osmdb And the result is: WARNING: osmdb has no edges!. ...
8
votes
2answers
5k views

Looking for free web service that calculates driving distance between 2 addresses

I'm looking for a free web service that gets an input of 2 addresses and returns an output of driving distance between the 2 points. In addition I'm looking for a web service that doesn't require ...
3
votes
1answer
352 views

Is there an open source directions webclient for pgRouting like the directions API from Google?

I am looking for an open source webclient with (Google) directions functionality (like draggable lines to create extra waypoints) based on an pgrouting database (with an osm2pgrouting topology). I ...
3
votes
2answers
219 views

methods for solving this simple routing problem

In my transport geography class, we were asked to do a "best guess" on the route which does the following on this graph: Starts at A Visits each node Returns to A minimizes distance. I wrote up ...
13
votes
2answers
2k views

Help choosing a suitable routing engine

I am building a route planning system, but i have still to decide what underlying routing engine i will use. So far i have found pgrouting and neo4j. I have my route network in a postgresql/postgis ...
4
votes
1answer
273 views

What is the most “logical” route generating site (for Europe by car)?

What is the most logical route generating site do you think is out there? By logical I mean optimizing the driving time between two points. (Not always is the fastest way to proceed found along the ...
5
votes
3answers
689 views

Looking for a .NET Dijkstra component using Shapefile

I'm totally new to stackexchange and i'm in this beautiful informative place for one problem. I'm a .net programmer and i need to write a program that reads a shapefile and performs routing operation. ...