Routing consists of finding optimal paths along geographic networks such as roads or trail systems.
-2
votes
1answer
695 views
I need QGIS routing plug-in
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
254 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 ...
2
votes
0answers
205 views
How to create a service area using both streets and buslines in the same network?
Hello,
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 ...
6
votes
1answer
192 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
607 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
193 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 ...
2
votes
0answers
119 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
658 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
346 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, ...
4
votes
1answer
187 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
568 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
544 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, ...
4
votes
0answers
513 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
108 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!.
...
6
votes
2answers
2k 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
0answers
267 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
175 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 ...
11
votes
2answers
910 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
195 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
489 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. ...
3
votes
1answer
246 views
How to map our data with Google Map data
I want to add all the bus route data and create a route finding app for my country since Google map has no data about bus routes in my country but with JavaScript API i could get the shortest path ...
1
vote
1answer
113 views
Finding intermediate points and speed over a segment
I have a dataset which is in the form of ( Time , Car ID, Speed at that moment, Lat,Long) and I need to do some machine learning on the data to answer the following questions :
Best route from ...
4
votes
1answer
220 views
Google Maps City Crawler
This question is just theoretical but it occurs to me that it can't be all that impossible.
Seeing as how Google is just a big web spider that essentially starts out at one page, like index ...
4
votes
0answers
441 views
How to use Route Task in Network analysis tools
I am using esri network analysis tool and I just want to draw the path between two clicked point on the map (by using route task)
I use the example code block in the following link
...
2
votes
2answers
674 views
Online Routing Service (non-Google)
im currently blueprinting something i wanna develop. Thinking about the stuff that would be needed, i figured out that i would need to have a pgRouting/postGis Database somewhere. The program i wanna ...
3
votes
1answer
113 views
Choosing a GIS which imports a list of stage addresses, calculates the route, allows to modify and export it
I'm new to GISs. I'm searching for a GIS to meet following requirements.
I have a list of street addresses [A,B,C,D,E,...], with additional information associated (basically which orders to deliver ...
31
votes
3answers
4k views
Are there newer routing algorithms (than Dijkstra, A*) in GIS databases?
There are works like Reach for A* from Microsoft researchers and Highway Hierarchies by Sanders and Schtolz (if I spell the name correctly) from Karlsruhe Uni. Both of them reduce the calculations ...
5
votes
2answers
1k views
How to get multiple shortest paths with PgRouting in one query?
I want to run shortest path algorithm on multiple source&target pairs at once and get a result as a table and process it then.
How do I do this? This query does not work:
SELECT a.source, ...
2
votes
1answer
823 views
Queries on virtual network in Spatialite only make errors
I've installed Spatialite 2.4 in Ubuntu. I try to convert an osm file into a roads network using this tutorial and make searches on it, but the queries only produce "no column" errors.
$ ...
4
votes
0answers
272 views
How to specify attributes for network dataset?
Using ArcGIS 9.3 to try and create some routes with network analyst... currently following this tutorial: Network analyst tutorial for 9.3
I have a street dataset from NYS clearinghouse. I can't seem ...
6
votes
2answers
316 views
How to compute the routing through N addresses/coordinates?
I have a set of N coordinates (addresses). My goal is to compute the shortest driving route through the set of coordinates, where the algorithm (not the user) decides which of the N coordinates should ...
10
votes
2answers
217 views
Which weather on my road? Looking for a spatial weather forecast web service
My friend Bob goes from A to B leaving tomorrow morning at 6:00. There are many direction services that indicates him short, fast and/or cheap routes. Bob does not like to drive under the rain and ...
8
votes
1answer
734 views
How to work with shortest_path_shooting_star() in pgRouting?
It's been a while we are using PostGIS to store our Geometry information in our Postgres database. We have developed vertex-to-vertex routing ourselves using iGraph library. Yesterday I read about ...
8
votes
1answer
1k views
Difference between network dataset and geometric network
In ArcGIS, what is the difference between a "network dataset" and a "geometric network"? Are there differences with what can be done with each?
6
votes
1answer
504 views
Best routing algorithm for this scenario
Trying to work out the most appropriate routing algorithm to use for this situation. Even better if it's available as part of pgrouting or similar..
Here's the requirements:
Specified date/time for ...
8
votes
3answers
388 views
Help making the DARP example run
I've compiled and installed DARP branch. Is there any data example to test it?.
I've used some data based on document instructions http://www.pgrouting.org/docs/1.x/darp.html but no results return.
...
3
votes
0answers
153 views
Three Dimensional Routing Input Location Errors and Questions, ArcGIS10
I am having a bit of a problem with my three dimensional route solving. I am creating an interior building network, and ideally would be routing from room to room. I created a line feature class, with ...
11
votes
4answers
1k 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 ...
2
votes
2answers
224 views
Ordnance Survey No Turn
I have a project that involves porting a lot of information from ordnance survey to a spatial database. From that database I'm going to extract the information I need for a routing application. ...
3
votes
2answers
567 views
how to determine drive times like those available in google maps
I'm very new to GIS but have played around a bit with postGIS and qGIS.
I'm wondering if there's a way to generate drive time estimates like those given by google maps using open source tools.
For a ...
5
votes
0answers
166 views
How to set order of operations for Field Calculation in Network Analyst Evaluator Dialogue?
I desire to have a ratio calculated each time I create a new route. To get this ratio, I created and populated a field that multiplied the length of each segment by a designated number from 1-5, where ...
11
votes
0answers
393 views
Incorporating Length of Route Value into Cost Evaluator Function (ArcGIS Network Analyst)?
A friend and I (who more frequently than I posts on this board) are creating a walking network and we have run in to a snag. We would like to attribute a cost evaluator to our network dataset using a ...
3
votes
1answer
477 views
Network Analyst hierarchy routing issues. (ArcMap)
My friend and I have created a walking network. We created a network without a hierarchy evaluation and the routing worked fine, but when we added a hierarchy to the equation many routes won't solve. ...
4
votes
3answers
370 views
Assessing OpenStreetMap coverage for international routing
I posted the following question on the main StackOverflow website, but was informed that I might get a better response here. Hence I'm copying it below. Note however, that I have an active bounty on ...
30
votes
7answers
5k views
Creating drive time polygons using open source tools
Is anyone using open source tools and/or data to generate drive time polygons that radiate out from a given location? For example, I have used ESRI products like Network Analyst and Business Analyst ...
2
votes
1answer
585 views
Routing Application in Windows
I am making an routing web application similar to Google Maps 'Get Direction' feature. But because of the limited control and data on GMaps, I decided to use OpenStreetMap instead. This also made me ...
5
votes
2answers
1k views
Geoserver Routing with OSM data and PostGIS
Does Geoserver have a routing functionality for the OSM data in PostGIS?
8
votes
2answers
1k views
How to convert OSM Data to PostgreSQL for Routing Purposes?
I'm creating a routing application using OpenStreetMap. Currently, my task is to convert the data from an OSM file to PostgreSQL.
I read about osm2pgsql, but the problem is it says there that ...
7
votes
5answers
2k views
Which tools and methods can be used to create isochrones?
I'd like to get an idea for what's involved in creating isochrones for a series of sites, with a reasonable degree of accuracy to the estimates. A general outline would be great, though my scenario ...
8
votes
1answer
206 views
How to convert a track of points into walking directions?
Imagine you have a list of points (latitude + longitude) you have previously recorded with a GPS receiver. Now, you need to convert it to a textual representation of the route you followed. Example:
...
