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

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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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2answers
302 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 ...
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1answer
32 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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1answer
215 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. ...
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1answer
46 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":[ ...
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2answers
749 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 ...
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1answer
107 views

Route through water polygons

I have a water-polygon grid shape file as shown (Each grid is 1latx1long): I have created this in QGIS and files (coastal lines and land polygons) selected from http://openstreetmapdata.com/data ...
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1answer
580 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 ...
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2answers
136 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 ...
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6answers
5k 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 ...
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0answers
19 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 ...
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0answers
17 views

Adding last stop to a route before the End Depot

Using ArcMap 10.3 Advanced I'm using a network analyst vehicle routing problem to attempt to solve a routing solution. I have a start and end depot which is the same, but before the route reaches ...
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1answer
37 views

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, ...
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2answers
146 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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2answers
133 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 ...
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1answer
253 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 ...
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3answers
445 views

How to create an OD road distance matrix in QGIS?

I'm looking for the steps required to produce an origin-destination (OD) cost matrix. What I'm looking for is a matrix of road distances. The distance matrix tool only produces euclidian distances. ...
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1answer
25 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 ...
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0answers
28 views

Pricing of Directions/Routing/Itinerary APIs?

I am having hard time finding an API like Google Directions that shows their pricing. I have found viaMichelin and it has Itinerary API but everything they have about pricing on their site is "A ...
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1answer
1k views

How to set up an offline maps viewer application on linux?

I'm having an 8-years old notebook (pentium 4 3Ghz 1Gb Ram) with Debian (installed recently), I just want to be able to navigate through the map around 1-2 cities, with ability to seek adresses and ...
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1answer
42 views

Use osm2po to extract additional tags

We would like to improve our bike routing to also incorporate, for example, the information on the surface of the used streets. I don't quiet get how I should use the Osm2Po plugin in mechanism. I've ...
0
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1answer
600 views

OSRM API - nearest point fed into routing

I am using the OSRM API to (1) determine the nearest point on a road segment from a give random point with http://server:5000/nearest?loc=_lat_,_lon_ The returned coordinates are used then as an ...
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15 views

How to choose entrys in pgr_kdijkstrapath over checkbox in HTML?

I want to create a GIS, where people live at pre-defined places(all of them play a defined musical instrument). A route should be created from these people to the place where they play together. It ...
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1answer
40 views

Determine when heading off course

How does google or other map providers with routing capabilities determine when you are not staying at the right course? I am trying to figure out how to implement this feature in my gps that I am ...
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0answers
26 views

Algorithm to scan a road network geometry using directions service

Let's suppose there's a Directions Service which, given a pair of points, returns the geometry, along the network, which best connects those points (which are previously projected - "snapped" - to the ...
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10answers
13k 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 ...
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2answers
103 views

Solve for alternate routes without barriers or additional stops in ArcGIS Network Analyst?

I created a network dataset using ArcGIS Network Analyst. I have one start and one destination point. I want to find the three shortest paths from start to my destination (find three shortest paths ...
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3answers
58 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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1answer
46 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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2answers
83 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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1answer
127 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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1answer
340 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 ...
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33 views

delete the markers in routing mode of MapQuest

I am using MapQuest plugin for LeafletJS. After it draw the map, it sets a marker on each stop point on the route, e.g: A, B, C, D, etc. Is there a way to remove those markers, I just need blue ...
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21 views

stall-on-demand for contraction hierarchy routing: explanation with sample code needed

I've implemented a contraction-hierarchy routing system, which now works well, and I now need to add the stall-on-demand technique to speed it up; as explained here it can reduce the search space ...
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2answers
1k views

Seeking free nautical route planner

Not actually a route planner, but it amounts to the same thing. I want to know the distance a vessel at sea must travel between two points. Obviously this isn't just a straight line thing, if there ...
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0answers
74 views

Using Traffic with Network Analyst VRP

To the best of my understanding, setting a specific day under Analysis Settings for the VRP uses the Routing_ND historic traffic information. Is there some step I'm missing to enable traffic? I've ...
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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 ...
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3answers
515 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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0answers
117 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. ...
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34 views

GeoJSON to routing graph

What are the best automated ways of placing the nodes and edges of a routing graph using the GeoJSON data of a multi-level building? What other data is needed (area layout, accessor directions etc)?
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1answer
86 views

Routing ensuring all areas are touched

I'm making a web application with leaflet and OSM. It's all going well, but now I need a little help. I'm searching for a good routing engine, that's capable of creating the most probably taken route ...
3
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1answer
39 views

ArcGis Rest Vehicle Routing Time Problem

I am using the ArcGis vehicle routing rest service. It works fine until I add in the EarliestStartTime for my route, then it no longer assigns the orders to the routes (delivery windows and breaks ...
5
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1answer
828 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 ...
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5answers
4k views

I need recommendations for route planning software, preferably open source

While not productivity per se, finding a solution to my specific issue will lead to greater productivity and a better use of my time. As part of my freelance business, I do real estate photography. ...
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1answer
162 views

Why do classic google maps and the modern google maps show different types of driving times?

As I am currently working on a project, where driving times are quit important, I've noticed that classic google maps and modern google maps show different types of car driving times. While the ...
1
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2answers
166 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 ...
2
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0answers
64 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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2answers
198 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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10answers
5k views

Alternatives to pgRouting

I was wondering if there are any alternatives to pgRouting tools. Thinking about it for a bit, I think the only alternative is to use R or RPY to do the analysis. Basically I'm trying to solve ...
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1answer
127 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 ...