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

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67 views

Conceptually, what's the ideal way to develop detour maps for a large number of nodes

I have a road layer of roughly 30,000 links. On these links, I have a total of 15,000 nodes that are sorted in a point layer. I'm trying to build a detour distance and routing around each asset in ...
2
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1answer
113 views

Network Analyst: Grouping Points by Location

What I am trying to achieve is pictured below, but programmatically. I have a table of 400 locations from which I eyed out an equal amount of points and divided them into 3 routes with Zip Code ...
2
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1answer
69 views

Displaying Highrise Delivery Routes

I have a geocoded address table for High Rise buildings in New York. If i'm trying to map delivery routes to a number of these locations, what would be the best and most clear way to display the ...
2
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3answers
455 views

How to route railcars along railroads?

I'm very new to the world of GIS, but I'm learning a great deal from this site, as well as others. I fell like this should be 'easy' but I need to be pointed in the right direction. I'm trying to ...
2
votes
1answer
494 views

QGIS Routing between two Points without Roads

I'm using QGIS 1.8 and i need to analyze possible routes for roman roads. Is there a Possibility to show routes which comply special criteria, e.g. straightest way between two points, or path which is ...
2
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1answer
579 views

Creating routable network table in PostGIS

I am trying to create the routable network table, as per http://underdark.wordpress.com/2011/02/07/a-beginners-guide-to-pgrouting/. Everytime I do it in PostGIS extension, QGIS crashes. The area is no ...
2
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2answers
441 views

Is it possible to get the points used for the convex hull in osm2po?

I have a non-convex hull algorithm that I want to use for an app. With OSM2PO, it's possible to get a convexHull, but is there a way to get the points before the hull is constructed? More, it would ...
2
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1answer
196 views

Why is pgrouting astar not consistent?

I route from 1 end of a circular route to the opposite end. Visually it is obvious that going clockwise is shorter, however shortest_path_astar sometimes picks clockwise and sometimes anti-clockwise. ...
2
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1answer
549 views

Multimodal route analysis not yielding correct results

I asked this question a while ago about a route in a multimodal network dataset not using all forms of transport available. While the answer worked at the time, I am now in a similar situation again. ...
2
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1answer
157 views

Can I Start and End an OSM2PO route in the middle of a road segment?

I need to be able to start and end a route in the middle of a road segment as opposed to a vertex/intersection. I know that you can disable snapping when stating your start/end but the route still ...
2
votes
1answer
184 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 ...
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2answers
804 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
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1answer
356 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
661 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 ...
2
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0answers
35 views

How to calculate shortest path from points in one layer to points in another layer via roads, in QGIS

I'm a new user of QGIS (and have experience using ArcGIS but zero programming skills) and I'm looking for a way to calculate the shortest path from addresses to subway stations via a network of roads. ...
2
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0answers
28 views

Feature Rich Mapping Service for local deployment (VM) & web deployment [closed]

Since initially posting this, I have stumbled accross solutions for some of my sub-questions. This is the updated question, with fewer requirements. I would like to create a mapping service using ...
2
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1answer
31 views

Use custom dataset for routing

I'm looking to substitute my own dataset with OSM data in Leaflet Routing Machine or another routing tool. Is this possible?
2
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0answers
47 views

Adding ArcGIS JS Direction widget in separate function

I am working with ArcGIS JS library, I am trying to add direction widget in my code, and it is working fine. I am following this example: ...
2
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0answers
87 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 ...
2
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1answer
338 views

Routing api help (MapBox or similar)

i have a geoJSON objects and i want to route between waypoints on my geoJSON file. this is my example geojson file. { "type":"FeatureCollection", "generator":"JOSM", "bbox":[ ...
2
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0answers
46 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 ...
2
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0answers
453 views

Marine Traffic Routes Data Set

We are planning to implement a routing application to monitor marine traffic. The issue is that we either need a data set that has international sea traffic routes data or a clear definition of it. ...
2
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0answers
136 views

What can I use to calculate drive times /with/ traffic considered?

I am looking to obtain drive times for a large list of addresses and want the results to take traffic conditions into consideration. For example, drive times from a distribution centre to a store at ...
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0answers
51 views

Displaying buses from a transport network (newbie)

First of all, I'm noob in this subject so please give me some advice. I'd like to develop something like http://traintimes.org.uk/map/london-buses/#73 but with my own city. Unfortunately our MTA ...
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0answers
84 views

PgRouting-How to calculate only walking routes

I am using osm2pgrouting to import data to my PostGis database from OSM and I was wondering if there is some way to specify to PgRouting to calculate paths with only ways that can be walked by people. ...
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0answers
265 views

PostGIS: How to distinguish overlapping routes (i.e., LineStrings) based on their direction?

I have a set of routes which are represented by LineStrings in my PostGIS database. These routes represent journeys that people make. I want to come up with routes that (a) overlap, and (b) have the ...
2
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0answers
133 views

Adjusting GPS collected data to a polyline shapefile [duplicate]

I am collecting data from a GPS that is attached to a car. When I display this data in a map, the set of collected points are supposed to match with the street shapefile. However what I see in my map ...
2
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0answers
232 views

travel survey multi stop routing problem

I have a travel diary survey dataset that I am attempting to transform into more useful information. Currently, the data comes in the format of: Survey# , PlaceVisited#, TravelMode, TripPurpose, ...
2
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2answers
125 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 ...
2
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0answers
521 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
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0answers
123 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!. ...
2
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0answers
490 views

How to specify attributes for network dataset? [closed]

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 ...
2
votes
1answer
136 views

How do GPS receivers map out directions?

Although I've never really dug into it, I've always assumed mapping out directions in a GPS unit is done with A* or Fibonacci-heaps at a higher level and Dijkstra's algorithm for smaller graphs. Are ...
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2answers
367 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. ...
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5answers
206 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 ...
1
vote
1answer
2k views

How to generate all possible routes between two points?

I have a network dataset in ArcGIS and I need to generate all possible (not only the shortest one) routes between two given points (A, B). Is it possible to do it with the Network Analyst? Or with ...
1
vote
1answer
983 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.
1
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2answers
1k views

How to create routing application with ArcGIS Server? [closed]

I have the task to find out what is necessary to build a routing application using ArcGIS Server. I am not a GIS beginner, but have had no experience with ArcGIS Server. As this project is at the ...
1
vote
1answer
9k 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?
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1answer
119 views

Routing Service that Avoids Areas?

I'm just starting with GIS, and I'm looking for a routing service that will allow me to avoid given regions on a map, or to build my own router that has this functionality. The site ...
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2answers
339 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 ...
1
vote
2answers
116 views

Can 'Source' and 'Target' in the roads table for routing be duplicate?

I am using pgr_ksp for finding multiple paths for single source and destination. I am wondering if 'source' and 'target' in a roads table are unique or not. because when i am doing routing on my road ...
1
vote
1answer
115 views

Does multimodal network need a physical intersection between a point (terminal) and a line (rail or road)?

I have created a network dataset with rail, road, and intermodal terminals and set up the connectivity so that you can only travel in-between the two at the terminals. Terminals realistically can be ...
1
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1answer
44 views

Is OpenStreetMap suitable for me?

I'm planning to create a map with GPS and routing support as well as other custom features for my local area. It will be for a commercial usage. I'm okay with showing OpenStreetMap logo in my app. Is ...
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vote
2answers
175 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 ...
1
vote
2answers
1k views

leaflet-routing-machine add waypoints, routing summary

I'm playing around with leaflet-routing-machine (https://github.com/perliedman/leaflet-routing-machine) and have 2 questions about it's usage: 1) I have the following code now routeControl = ...
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1answer
306 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 ...
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1answer
323 views

How to calculate the optimum bus route using pgrouting?

My setup for my web page is OpenLayers, Postgresql/postgis and pgrouting. What I do not understand is how I am going to do the routing.I have read many tutorials but I don't understand what my next ...
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2answers
72 views

There is web based bicycle routing planner that considers accidents but I cannot find it anymore, can someone help me?

I remember it uses Google as underlying map and has also a function to rank preferences of the path using forms in which the user can rate routes characteristics, I also remember that is for Los ...
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1answer
41 views

How to compute drive access to a station based on vehicle origin points? [closed]

I have a shapefile that contains station locations and another shapefile that is the geocoded origins of those who drove to the station. I would like to make a buffer around the station that shows the ...