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

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Create a route by using points (pgRouting)

I'm currently working on a routing model for 17th and 18th century voyages. These routes are based on data from old shipping logbooks. I made a separate layer in QGIS which contains point. I exported ...
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248 views

Using Pgrouting dijkstra algorithm in PostGIS?

I own two tables one with streets and one points, i use the table with the roads to calculate routes with dijkstra algorithm. But I want when someone add one point in the table Point and this point is ...
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128 views

Cost_Matrix Distance: Vehicle routing problem!

I'd like to calculate the "real distance" between one source and many targets, such as we do in the "vehicle routing problem", in order to get the matrix distance at the end. after using the osm2po, ...
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80 views

pgrouting pgr_ksp with large dataset

I have a large osm dataset. When I execute a pgr_ksp query, it takes +30 minutes Example: SELECT seq , id1 , id2 , cost FROM pgr_ksp( 'SELECT id, source, target, cost FROM myways', 524356, ...
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43 views

pgRouting. pgr_ksp() returns -1 as id3

The documentation (http://docs.pgrouting.org/dev/src/ksp/doc/index.html) says that the result should be 0 for the last row. Is the same 0 than -1? I'm new on this. Thaks for the help.
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135 views

How to fix pgr_dijkstra error, query must return columns 'id', 'source', 'target' and 'cost'?

I followed the steps in "pgRouting 2.0 for Windows quick guide". At the step of running pgr_dijkstra using the sql below: SELECT id, id1 AS node, id2 AS edge, cost, the_geom FROM pgr_dijkstra( ...
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165 views

What are the OSM 'class' cost settings for OSRM?

I'm looking to set up a routing system that will give distances based on network routes, rather than straight lines (ie. ST_Distance). To do this, I'd like to set up a pgRouting database where the ...
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81 views

Live routing with instructions is show in a windows info if click in road

I have make a web application , the application have in a server a database in Postgresql with a table roads , i have make a php with pgRoutong query , in the web site the user give two points , or ...
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67 views

OSM to pgRouting -missing attributes

we are trying routing with pgrouting for our project but we noticed that NOT all the attributes we had in the row OSM data are in our database after we imported the data. we have checked in the ...
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2answers
150 views

“linestringZ” kills “pgr_createTopology”

I'm trying to make a postgis tabel ready for pgrouting. But when I run SELECT pgr_createTopology('network.VEJM_BR_SL', 0.001, 'geom', 'id'); I get an error: "Geometry has Z dimension but column ...
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39 views

Query processing time for network table creation using pgRouting 1.05

I am trying to follow these steps for creation of a network table using pgRouting 1.05. In my case I have two road geometry tables, one is bangalore_road and the other is all_india_roads. Obviously ...
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85 views

Routing two not-node points and road side with pgrouting

I'm starting to use pgrouting and I have a couple of problems. In my project I have a lot of points which are near one of the road sides. I'd like to know how I can route two of these points since ...
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1answer
228 views

Creating Isochrones with pgrouting - Network set up, locations (from point shapefile) imported into PostgreSQL/PostGIS DB and now?

I want to calculate isochrones representing the accessability of certain locations in a city. So I have set up the pgrouting enabled database, imported the OSM-Roads and created a network (thanks ...
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1answer
725 views

pgRouting cannot find extension control file

I am trying to use pgrouting on OS X. I installed the following: brew install postgres brew install postgis brew install pgrouting When I try to create the extension pgrouting I get the following ...
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39 views

Network Analysis for Pickup and Dropoff

I have a bit of a problem that I need help with. I am looking at a set of lat/long with a time stamp for the desired pickup or drop-off for passengers. There are multiple pick-ups and drop-offs within ...
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2answers
173 views

Find closest points in routing network for a set of points to pick shortest route

I have the following WITH SQL Query which does select a set of filling stations along a route within the distance of 1000m. In the SQL statement I fetch 1 Point from the station and search the closest ...
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2answers
342 views

osm2pgrouting command not found

I have installed osm2pgrouting on my Ubuntu 12.04 server with the following code from this tutorial: sudo add-apt-repository ppa:georepublic/pgrouting-unstable sudo apt-get update sudo apt-get ...
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1answer
130 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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1answer
150 views

Find nearest node function

I am trying to get work the next function but i don't know if it is incomplete because the query SELECT * FROM pgr_nearest_node1('jaen',-3.75,37.779); does not provide any results. Here is the ...
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236 views

pgr_drivingdistance wrapper

Pgr_drivingdistance function works as : SELECT seq, id1 AS node, cost FROM pgr_drivingDistance( 'SELECT id, source, target, cost FROM edge_table', id, distance, false, ...
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163 views

Is there any VRP solver in Pgrouting 2.0?

after looking at older posts and googling for a while i guess there is not vrp solver (multiple trucks). there was DARP in pgr1.x but i can't see it in 2.x. i found a lot of information on ...
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64 views

Syntax error drivingdistance

I am new in sql and i am trying to get that works a subquery with pgr_drivingdistance and pgr_pointsaspolygon but i get the next error: subqueries in FROM must to have an alias,for example, FROM ...
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1answer
139 views

PgRouting function wrapper

I'm trying to adapt the pgr_fromAtoB function to pgr_fromAtoMult replacing pgr_dijkstra function to pgr_drivingdistance.Here is the code: CREATE OR REPLACE FUNCTION pgr_fromAtoMult(IN tbl character ...
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1answer
416 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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2answers
432 views

How to handle updates to pgRouting network in webmapping environment?

I'm building an application for a client of mine that will need to create routes in a PostgreSQL database. So far so good, but I need to support edits and changes to my network and I need to support ...
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2answers
999 views

UbuntuGIS packages on ppa.launchpad

I am trying to install pgrouting on ubuntu 14.04 like this: Add pgRouting launchpad repository sudo apt-add-repository -y ppa:ubuntugis/ppa sudo apt-add-repository -y ppa:georepublic/pgrouting sudo ...
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1answer
219 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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168 views

instal pgrouting on postgres 9.3 + postgis 2.1

Just installed postgres 9.3 + postgis 2.1 on debian 7. Postgis works fine, but installation of PGrouting fails in psql. (no errors while installing sudo apt-get install postgresql-9.3-pgrouting) ...
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2k views

How to compute Walking and Cycling Isochrone maps using QGIS & pgRouting?

Just installed QGIS as I believe I should be able to produce walking and cycling isochrones from a specified point. I have done this pretty easily before using ArcMap, however, I am really struggling ...
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233 views

pgrouting librouting.dll library is supposedly missing when it is not

Yesterday, I successfully installed pgrouting from the most recent x64 2.0.0 binaries, at least this is what I thought. I was able to perform first query - select pgr_createTopology() from the ...
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2answers
77 views

Learning pg_routing - shortest_path error

I'm learning PostGIS and pg_routing to help in our project planning and grant applications at my transportation agency (we wanted to move beyond the limitations of the 1/4 mile walking buffer we use ...
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160 views

Open Source GIS Problem [closed]

I am new at open source GIS platform. I am using Ubuntu 12.10. I have tried to install the followings but without 2-3 tools I could not install anyone. Can any body help me how can I install the ...
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1answer
118 views

how to Find nearest line for the given point from a collection of lines?

I have table with lines(linestring).For a point wich i give it , I want to find out nearest line in point. I almost developed a query, but it is return the same line every point i give. the query ...
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2answers
1k views

How can I convert geoJSON data to GPX format

I want to know how I can convert geoJSON data to GPX format.
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397 views

How to get the closest point from a table in PostGIS?

I have a table of pgrouting nodes, structured like this: CREATE TABLE ways_vertices_pgr ( id bigserial NOT NULL, cnt integer, chk integer, ein integer, eout integer, the_geom ...
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2answers
166 views

pgrouting - network distance many-to-one shortest paths

I want to find the distance (km) between each origin point to the closest destination point (restaurants) using pgrouting. I have 3 tables my road network with nodes and edges 140 origin points - ...
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81 views

What does it mean when I get rows executed, but with no resulted table?

While applying the following tutorial: http://anitagraser.com/2011/02/09/creating-catchment-areas-with-pgrouting-and-qgis/ utilizing vector network which has been tested (and demonstrated ...
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1answer
273 views

Pgrouting, pgr_dijkstra function error

I'm starting to use the Pgrouting function on my database Postgresl. I have the table of links (id, source, target, cost) which contains the set of edges of my graph. I want to calculate the shortest ...
5
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1answer
1k 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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1answer
139 views

Get closest (source or target) of an edge from a point in postgres

I have a Postgres custom function that uses pgr_dijkstra to generate a route working. It works be passing the lat/lon of the start and destination points. I then find the closest segment vertice to ...
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148 views

How to split linestrings where start/end points don't touch nearby lines

I am trying to figure out some basic routing with PostgreSQL/pgRouting and I'm struggling a bit. Our network of linestrings are not topologically correct, tracks that should be connected don't touch, ...
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3answers
436 views

Why is pgrouting driving distance skipping edges?

I have a road network where I do a driving distance operation through pgrouting. This is my SQL: SELECT * FROM driving_distance('SELECT gid AS id,source,target, cost FROM ...
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76 views

pgRouting with TomTom multiNet

I would like to use TomTom multiNet data with pgRouting to create drive time/distance polygons. I have gone through the documentation regarding network topology creation, but am still confused to ...
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1answer
45 views

pgrouting with wms [closed]

I able to successfully perform pgrouting using wms but I am looking to show the cost (the length) on the webpage (not only the line on the map but the length of the line) some where in a div next to ...
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1answer
59 views

calculate route in road network [closed]

I have a shape file of road network. I have found out the nodes on the network. I want to calculate all the possible routes from a start point to the end point. I am using Postgres,postgis and ...
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2answers
395 views

Why does Driving distance of pgRouting return disconnected results?

I am trying the driving distance function of pgRouting 2.0 beta, with an extract of OSM data. The problem i have is illustrated on the following image : On this picture i try to get all the ways ...
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1answer
215 views

How to create a Network Topology in a shapefile that contains only nodes(geometry points)?

I want to use pgrouting with the shapefile but when I use : alter table network.publictransport add column source integer; alter table network.publictransport add column target integer; select ...
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54 views

pgRouting only partially segments network

I have a road network traced from an old map with 360 MultiLineString features in table aroads. Many meet at endpoints or intermediate vertices, but some intersect. When I run SELECT ...
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2answers
215 views

How to visualize pgrouting result?

So I use this query SELECT seq, id1 AS node, id2 AS edge, cost FROM pgr_dijkstra(' SELECT gid AS id, source::integer, ...
4
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1answer
819 views

PostgreSQL: How to use more than one CPU?

I'm creating a real time traffic application. I read the AVL car data from a web service and insert the records in a PostgreSQL table. Then a trigger calculates the closest link and if there is a ...