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

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281 views

GTFS import and pgRouting

I know there are some questions out there already. I'm looking at a fresh approach. I found the gtfs2pgrouting project from pgRoutings' GitHub page. But it's three years old and doesn't work with ...
2
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1answer
37 views

Grass, Route Finding with Elevation Limits

I've got GRASS (7.0) installed and I "play" with it on ocassion since I am far from a GIS pro. What I want to do is to find all road routes from a certain point limited by distance (path length, not ...
2
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1answer
173 views

Calculating the fastest routes and some points on the same time

I have two drivers and each driver has a set of about 15 locations where they need to drive to on a single day. Calculating the shortest route for both drivers is not the problem (using a matrix ...
2
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1answer
257 views

How to generate routes that follow underlying road network?

I have a set of points (~2300 bus stops) and I have a network of roads that these bus stops lie on. When I have a bus route that goes from A to B, how do I generate the route such that it follows the ...
2
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1answer
757 views

Navigation/Routing in 3D View On Android

I need to build a navigation/routing application in 3D view like sygic, what are the available options if any? Are there any existing open source or proprietary 3D mapping/libraries. I have checked ...
2
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1answer
193 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 ...
2
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1answer
70 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
121 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 ...
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1answer
70 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
511 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
517 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
629 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
492 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
votes
1answer
210 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
628 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
167 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
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1answer
194 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
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2answers
899 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
898 views

Network Analyst hierarchy routing issues. (ArcMap) [closed]

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. ...
2
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1answer
667 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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1answer
38 views

Seeking updated pgRouting Tutorial?

Is there an updated pGRouting tutorial to this: https://anitagraser.com/2013/07/06/pgrouting-2-0-for-windows-quick-guide/ Trying to following it using QGIS 2.14.0 Essen + PostgreSql 9.5 (pgAdmin ...
2
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0answers
39 views

Generating routes between every point in a set of points in QGIS

I'm looking for a way in which to generate a set of routes between every point in a layer. To be clear, if I have four points [A,B,C,D] I want to get routes: A - B A - C A - D B - A B ...
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23 views

Gas Utility Routing software in open source or algorithm [closed]

objectives : To make a web application for gas utility that can perform upstream and downstream I have googled a lot but cannot find any Gas utility routing in open source. what i have is data for ...
2
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0answers
70 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. ...
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0answers
30 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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0answers
76 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: https://developers.arcgis.com/javascript/jssamples/...
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0answers
106 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
428 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":[ 23....
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0answers
52 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 (http://epanet.de/ghydraulics/index.html....
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0answers
599 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
160 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
52 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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93 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
303 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
295 views

Seeking free nautical route planner Data?

I don't really need an application, but rather an API. I plan to develop my own application and don't need someone else's GUI, just their information. I want to know the distance a vessel at sea must ...
2
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0answers
248 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
votes
2answers
126 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
124 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
520 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
137 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 ...
2
votes
1answer
576 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 ...
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3answers
346 views

Creating network datasets from OSM data in QGIS?

I am having a difficulty to use network analysis in ArcGIS because of unavailable network datasets. So, I googled it and realized that it is possible by using OpenStreetMap. However I don't know how ...
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2answers
405 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
300 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 https://mapzen.com/metro-...
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6answers
21k views

Seeking route planning software, preferably open source?

As part of my freelance business, I do real estate photography. There are times when I'm trying to pack fifteen shoots into a day, and need to plan the best route between locations, and with travel ...
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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
397 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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vote
1answer
1k 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.
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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 "...