pgRouting extends the PostGIS / PostgreSQL geospatial database to provide geospatial routing functionality.

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Postgres SSL SYSCALL error: EOF detected with python and psycopg

Using psycopg2 package with python 2.7 I keep getting the titled error: psycopg2.DatabaseError: SSL SYSCALL error: EOF detected It only occurs when I add a WHERE column LIKE ''%X%'' clause to my ...
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80 views

osm2po is missing edges while importing to pgrouting

I am using osm2po for importing pbf file to postgresql but when i find route using built-in algorithms i found that some of the edges are missing so route does not match with road. Did anybody know ...
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2answers
69 views

pgRouting - no 'to_cost' values imported (osm2pgrouting)

I am struggling with the latest pgrouting & osm2pgrouting V2. The toolchain is installed on my server without any issues, I tried to install it from github and compile it - and I tried it from a ...
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78 views

pgrouting pgr_drivingdistance() query gives inconsistent results

So I have been working on a query(with the help of other stackexchangers :)) to get the edges in an isochrone from a particular point and then update the count_events field of those edges by some ...
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48 views

query to get predicted location after traveling on pgrouting route for some hours, postgis 2, postgresql 9.3

I am using Postgis 2.0 on Postgresql 9.3 on Ubuntu 14.04 x64. I am trying to find an efficient way to fulfill this routing request. So I am able to get the shortest route using the source and target ...
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65 views

How to implement stopovers in pgrouting?

I used to use Dijkstra to find the shortest path between two points. Now I have a shortest route, which uses a street forbidden to use because of internal rules (too slow due to shopping mall). Now ...
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1answer
273 views

Can't load pgrouting extension, could not load library librouting_dd.ddl error 998 windows

I have a windows 7 machine 64-bit, I installed Postgresql 9.3 via the opengeo suite 4.0.2 in the program files (x86) folder, so I guess I have to install the 32-bit version of the extension. I am ...
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60 views

problem transforming pgr route to a line - unexpected extra lines from St_MakeLine

I have created a line geometry from a pgr_dijkstra querry and I am getting an unexpected looking line in qgis. The following image illustrates the problem: The magenta line is the line created ...
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1answer
603 views

openlayers 3 pgrouting: unable to get lat/long by clicking on the map

I followed all the steps from the pgrouting workshop using pg routing 2.0 and geoserver 2.5 from this site http://workshop.pgrouting.org/ . I can generate an itinerary in QGis by requesting Postgres ...
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46 views

PGrouting encapsulated queries error [quotes problem]

I'm facing a quote problem on a pgrouting query. What I'm thinking is wrong is that my query only works if I use one, then four, then eight quotes on encapsulated queries. Is there a way to simplify ...
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2answers
244 views

creating isochrones in postgis/osm2po/pgrouting and then saving the isochrones as polygons

So I am creating some isochrones in pgrouting based upon a table from osm2po. Now I have a query that will get all of the edges that are c driving distance away from a point. My question is, how can I ...
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2answers
143 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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1answer
70 views

an efficient way to find the pgrouting edges contained within an isochrone

So I am working with some pgrouting road network data in postgis2.0/postgresql 9.1. I am interested in routing around certain types of disasters like tornados or such. If a disaster event happens at ...
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1answer
74 views

can I add additional data to an existing pgrouting postgis database using osm2pgrouting?

This is just a simple question but I could not find the information in the documentation. If I have an existing pgrouting database table named routing, can I add additional OpenStreetMap data to this ...
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2answers
197 views

How to connect points (bus stops), which don't lie on the lines (LINESTRING), to a network?

I need to connect bus stops (points) to a network layer (OSM data). These bus stops do not lie directly on the lines (see screenshot) nor should their location be moved. I use PostGIS, pgrouting and ...
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200 views

how to build and install pgrouting-2.0 on postgresql-9.3 on ubutntu 12.04 Lts precise?

I try to build following instructions from this link https://github.com/pgRouting/pgrouting after downloading from the github. I have done the cmake command and there is my error output: ...
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1answer
84 views

Install pgRouting on Postgres 9.1 and Win 32

I referred some documents on GIS-stackexchange and over internet regarding installation of pgRouting on Postgres v9.1 and windows 32. I am not getting the correct version of pgRouting to install. Can ...
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2answers
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How to deal with Roundabouts in PgRouting

Can anybody guide me to to deal with roundabouts in pgrouting?? I have some roundabouts in my road network and when i try to make route from one point to another, it gives me wrong direction where it ...
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Use pgRouting with a PaaS

Is it a way to use a postGIS/pgRouting enabled database with a PaaS like Windows Azure? If not, do you know alternatives?
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Why there is no output (path) for Dijkstra in pgrouting

I have a road network table and I am implementing pgRouting. everything was working fine previously but now there is something odd here. I am getting no route now. I am checking through sql query in ...
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70 views

How to deal with direction in pgr_ksp (K shortest path)?

I am working on a android app for navigation with PostGIS and pgrouting. I have implemented pgr_dijkstra and its working fine. I am not considering direction in routing at this point and just want ...
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86 views

qGIS' Database Manager “Load as New Layer” Option Not Working

I'm trying to visualize some of my database queries on qGIS. I run a valid SQL query which returns a subset of my table that should be easily loaded as a layer. I then check "Load as new layer," ...
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1answer
107 views

ST_Union to merge tables containing lines?

I have to build a street network with Postgis that will be used with pgrouting. I have two tables: 1) the_network (182 lines): is a MULTILINESTRING table. Having columns road_name (varchar) / ...
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2answers
78 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 ...
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68 views

PGR_CreateTopology maintain Source and Target ID's

Is there a way to set the 'source' and 'target' manually and not have it overridden in PGR_CreateTopology()? I have a predefined node ID's (INODE, JNODE) in my table which is the same to a other ...
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228 views

PGRouting Layer plugin “UnboundLocalError: local variable 'db' referenced before assignment”

I am trying to do some basic computations using the PGRouting plugin for QGIS, but I am getting this error all time: An error has occured while executing Python code: Traceback (most recent call ...
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173 views

Enabling driving distance in Pgrouting

I would like to enable pgr_drivingDistance function fo Pgrouting. I followed this manual: http://pgrouting.org/docs/1.x/install.html, but I can't execute the last step: psql -U postgres -f ...
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37 views

(Pgrouting) Finding the best path within some maximal length

Is it possible to find the best path (where cost is not length) with the length limit? For example, find the best path that is shorter than 10km? I currently use pgr_astar from Pgrouting to find the ...
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1answer
158 views

Routing in MS SQL 2012

I would like to perform routing in MS SQL 2012 similar to pgRouting. In pgRouting, I'd do the following steps to create a routable network: Create a database routing with template template_routing ...
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80 views

How to know why a pgRouting function returns “FAIL”?

I am getting a "FAIL" message back when executing pgr_createTopology on a particular table, but the reason is not obvious. Is there any way to know precisely why the function is failing? Perhaps some ...
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28 views

pgrouting crashes and restarts the postgresql server when searching for endpoints in 2 disjoints graphs

I have >apt-show-versions postgresql-9.1-pgrouting postgresql-9.1-pgrouting/precise uptodate 2.0.0-release-ppa1~precise2 Whenever I do a search ...
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Problem running the pgr_trsp algorithm from pgrouting

I was studying the pgRouting Documentation 2.0. I was trying to run the pgr_trsp algorithm as shown in the tutorial: SELECT seq, id1 AS node, id2 AS edge, cost FROM pgr_trsp('SELECT id, source, ...
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1answer
162 views

Multi-modal public transport Routing using pgrouting or opentripplanner

I need multi-modal public transport routing for my iPhone app and also to solve a TSP problem. I have been researching and I am unable to make a decision whether I should go with pgrouting or ...
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3answers
174 views

How to set the tolerance value in pgr_createTopology function of pgrouting?

I am making a map based on the floor plan of a building. I made the shapefile and added it to the PostgreSQL database. I created the topology for the map using the following code: SELECT ...
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169 views

pgrouting unexpected output

Thats my ways.shp file. I loaded this to PostgreSQL DB using PostGIS shape file loader. I ran pgr_anlayzeGraph() on it and found it had a lot of isolated segments. Next I ran pgr_nodeNetwork() to ...
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3answers
242 views

Faster routing algorithm on pgrouting [duplicate]

I have downloaded data for india as a dbf file then converted it using osm2po to make it routable but the problem is when i make any routing query it takes a lot of time around 300 seconds and these ...
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1answer
84 views

Migrating to Pgrouting pgr_dijkstra?

I have a system that uses shortest_path function pgrouting 1.x. At the moment, I want to migrate to pgrouting 2. And I assume the equivalent function to shortest_path is pgr_dijkstra. (Correct?) When ...
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problems using GRASS v.net and v.net.allpairs

I am using GRASS 6.4.3, and I am trying to use it to do network analysis. I have a line shapefile and a point shapefile, and here is my code(I take v.net.allpairs as my reference): v.net tc_bf25 ...
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pgrouting - possible to find route through points rather than links? [duplicate]

Probably a daft question, but... I've been looking at using pgrouting to analyse paths between start/end points, but this analysis seems only to find routes through links (edges). Is there any way ...
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display route from database(postgresql) on

For first part: Link i have postgresql9.1,postgis2,pgrouting2 and qgis2.2 this is the second part of what i need to do: Search in a database (postgresql with pgrouting) for a line from public ...
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how to add polylines(routes from public transport) on postgresql(pgrouting) with GUI

After searching a several long time... i decide to ask here for help, im currently using ubuntu 12.04(because of compatibility) with postgresql 9.1, postgis2, pgrouting2 and qgis2.2 i need ...
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101 views

Change The OpenLayers 3 script into openlayers 2.13

Hi all I want to change the code from pgrouting latest workshop which is used the Openlayers 3 beta to Openlayers 2.13 The code is in here http://workshop.pgrouting.org/chapters/ol3_client.html I ...
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2answers
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Unable to implement pgrouting(plugin) pgr_astar routing algorithm (shortest path) [duplicate]

I have been working on a project for indoor navigation. I made the floorplan of the building and road-map for routing purposes as shp files (using JOSM, making GeoJSON and then converting to shp file ...
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Prepare OSM file for PGROUTING use [duplicate]

Well I am new in the GIS World :p well I have a webGIS to realise and I want use OpenStreetMap. well the region I need wasn't vectorised so I modified it with JOSM ( Added Roads and buildings) and ...
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1answer
85 views

pgr_pointsaspolygon returns a self intersecting polygon which does not cover underlying points

I am using pgrouting 2.0 library to create an alpha shape around my set of points. It works nearly perfect but I have a case where pgr_pointsaspolygon returns a self intersecting polygon which does ...
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1answer
66 views

How to add Routing Table Query-Result on pgrouting?

I've followed the pgrouting latest workshop http://workshop.pgrouting.org. I wanted to know how to add the routing table query-result into my webpage directly after the route showed up? regards
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92 views

How to use osm2po to solve TSP

I've got a TSP to solve. I created a routable street graph using osm2po and imported the result to PostGIS. On my PG db I installed the pgrouting extension (over PGAdmin3 GUI --> right click ...
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111 views

Routing result not showed up [closed]

I'm following the http://workshop.pgrouting.org/ but my routing result not showed up at all, like the picture below: my firebug also didn't give me an error, I'm using geoserver 2.4.2, postgresql ...
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206 views

Aiming to retrieve source and destination from Android, use pgrouting dijkstra to find shortest path and display it back on Android

I have created an Android application that will accept source and destination from the user. It then calls a php page which takes in the lattitude and longitude of the destination and the source. I am ...
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281 views

Shortest Path Dijkstra

I would like to calculate the shortest path with dijkstra algorithm. sample query SELECT seq, id1 AS node, id2 AS edge, cost FROM pgr_dijkstra(' SELECT gid AS id, ...