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

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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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1answer
158 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, ...
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99 views

Traversing all possible road routes

I have created a topology from OSM data and would like to simulate a car driving every possible route along the map. The purpose is to "survey" the osm data as if in a car. My ultimate objective is to ...
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42 views

How can I build a network from a latitude, longitude points? [closed]

How can I build a network from a latitude, longitude points? I have some points(latitude and longitude) and i wish to build my network based on this points.
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2answers
1k views

PostgreSQL function does not exist

I have PostgreSQL 9.2 with Pgrouting extension, but when I want to call a function(pgrouting) does not work. Id like to compute the shortest path between two point. SELECT gid, AsText(the_geom) AS ...
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257 views

pgrouting php problem “pg_fetch_result(): Unable to jump to row 0 on PostgreSQL result index 3”

I'm trying to build a simple routing web-app using pgrouting, followed some tutorial and the latest workshop. Because I'm using PostgreSQL 9.3(x64), Postgis 2.1.1, and pgrouting 2.0 so I did some ...
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84 views

Maximum number of points in a linestring?

I have a database (in Postgres/PostGIS) of GPS points recorded all over a rail network. The only data available is the lat/long coords of each point (no timestamps, links between points, or anything ...
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101 views

What does pgr_createTopology() expect for a table parameter?

In this sample http://docs.pgrouting.org/2.0/en/doc/src/developer/sampledata.html#sampledata there is this function: SELECT pgr_createTopology('edge_table',0.001); I understand that this creates a ...
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194 views

pgRouting 2.0 slow execution of A star algorithm

Recently, I wanted to test pgRouting ver. 2.0. I created the database structure with osm2po and imported UK map from http://download.geofabrik.de/europe.html. The data was imported correctly. When I ...
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66 views

Can I use Point as the geom type in pgrouting?

in my table i have the field geom(POINT, srid) and its populated, this table also have the source an target field witch is blank(just like pgrouting guide). I tried the function pgr_createTopology() ...
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96 views

pgRouting and Openlayers error when insert controls variable

I've got another problem here :( I'm following the foss4g_w12 tutorial for building a pgRouting WebApp using openlayers, everything goes well until I added the following statement to my code: ...
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3answers
239 views

Why mobile routing is so fast?

Why my mobile GPS routing calculates routes almost instantly and using pgRouting in my robust PC is so time costly ? EDIT: My test: In my cellphone (Android 4.2.2 - 1G RAM - Dual core - Arm v9) I ...
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1answer
35 views

pgrouting download link not working

I am trying to download pgrouting but the download links are not working. I have tried many links but no link is working. can you please help me in this regard. will be thankful
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2answers
121 views

How to add other column into pgrouting query result in pgAdmin output pane?

I'm working on my final research project now and I'm a new user in pgrouting. Is there any chances to add another column name to display in the output pane? I'd like to add road name column so that I ...
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2answers
165 views

Problem Importing shapefile into postgresql with simple geometries

I have a Line Type shapefiles to be imported to postgis database on my postgresql, I'm using the SHP loader, I checked the "Generate simple geometries instead of MULTI Geometries" options so that the ...
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0answers
39 views

Create a single line from a resultset of line segments

How can I create a single line using the line segments geometry found in each row in resultset? I followed this tutorial: http://anitagraser.com/2013/07/06/pgrouting-2-0-for-windows-quick-guide/ I ...
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135 views

Problem with pgRouting and pgr_createTopology

I follow this tutorial: http://anitagraser.com/2013/07/06/pgrouting-2-0-for-windows-quick-guide/ and create a graph using OSM data (planet_osm_roads table). All goes with no error, but searching ...
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1answer
172 views

How to install pgrouting on Postgresql 9.2 located at /opt/PostgreSQL/9.2/ on Ubuntu Server 12.10?

I have installed Postgresql 9.2 on Ubuntu Server 12.10 using one-click installer from the EnterpriseDB. Then using the StackBuilder I installed PostGIS. Now I also want to install the pgrouting ...
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1answer
135 views

pgRouting CMAKE cannot find CGAL

I'm not able to install pgrouting on Centos 6.4 with Postgresql 9,3 and postgis 2.0. I tried from the rpm, but I didn't found the repository. I tried building from the source but I got the following ...
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1answer
50 views

Issues with pgrouting workshop code in postgis 2.11/pgrouting 2.0

I'm having issues getting the pgrouting workshop to work on Postgresql 9.2/PostGIS 2.11 and pgrouting 2.0 on windows. How can I rewrite the following php/sql code and make it compatible with my ...
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26 views

How to turn this into a routable network that works with pgRouting? [duplicate]

I'm only asking again since I didn't get any answer and I'm still stuck here... I updated my last question with more info, but it wasn't answered. When I draw a line with snapping enabled and try to ...
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1answer
369 views

How to draw a simple bus network that works with pgRouting?

What I'm I doing wrong? I've created a new shape layer for lines, I've enabled snapping with 5 map units for that layer. When I draw a line between two of the stops I get a purple marker when I'm at ...
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1answer
226 views

Can anyone explain me the TSP pgRouting function?

I have no problems using Dijkstra or A* functions, but when I try to run TSP, I really don't know where to start. What I'm, trying is to get the 'best route' to link four points (typical TSP ...
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45 views

Could this ugly work-around work to fake a Multimodal network with pgRouting and QGIS?

I have a road network that is working with pgRoutingLayer in QGIS (I imported the layer to my dbserver, ran psql pgr_createTopology and got it back into QGIS as a new PostGIS layer. From here I can ...
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61 views

How to make pgRouting understand bridges and tunnels?

I have I highway that runs on a bridge over a couple of blocks in a city. How do I get pgRouting to understand that cars can't move from the small blocks on the ground up to the highway on the bridge ...
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29 views

Can PGrouting be used to identify which path fits a known distance between a start and end node?

I am involved in a research project that uses historic transport data for England and Wales mostly in the nineteenth century. One particular problem concerns coaching data where all that is known is ...
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1answer
301 views

How to install pgrouting 2.x on ubuntu 12.04 LTS

I try to install pgrouting 2.0 on ubuntu 12.04 LTS with postgresql 9.2 I have ppa in the system by sudo add-apt-repository ppa:gwibber-daily/ppa answer: `You are about to add the following PPA to ...
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1answer
165 views

pgRouting - Route between multiple destinations - in order

I want to calculate the route between multiple points, respecting the order of the list. For example, if I have the following list: Lat: -40, Long: -30 Lat: -41, Long: -31 Lat: -40.5, Long: -30.5 ...
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113 views

Complexity of A-star algorithm using pgRouting in a graph

I'm using the A-star algorithm in pgRouting. It uses the Manhattan distance as a heuristics ((|dx|+|dy|)/2). What would be the time complexity in a standard route network? Based on Why is the ...
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2answers
158 views

how to build topology with 3d linestring in pgrouting

I have some 3d linestrings in postgis database, and I want to use pgrouting for calculating shortest path with Dijkstra. when I execute "select pgr_createTopology('route2', 0.000001, 'geo3d', 'id');" ...
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196 views

Problem Installing pgRouting 2.0; libcgal8 dependency

I've been trying to install PostGIS and pgRouting on an AWS Ubuntu server (first tried 13.10, then reverted to 12.04, both 64bit "small" instance) for several days now but no matter what I do I keep ...
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1answer
37 views

How to restrict level crossings in route?

I want to evaluate if it is useful to bypass a level crossing through a nearby tunnel or overpass when the LC is closed or if it is worth waiting. I want to use the OSM data for realistic scenarios ...
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86 views

How to simplify osm2po's routable graph?

I'm building a pgrouting routable network thanks to osm2po, the problem is that my network is too big. Indeed I want to create isochron and 1 node = 1 canvas circle, so I don't want too many nodes. I ...
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137 views

pgRouting results to LINESTRING geometry type

I am doing some routing queries, using pgRouting's second version of pgr_trsp function. What I can't do effectively yet is storing the results. That is, I want to able to store in a table: either ...
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39 views

SQL questions testing pgRouting 2.0

Following the post:pgRouting 2.0 for Windows quick guide, cuz I have some problem with DB manager(here is the problem I posted:DB manager in QGIS 2.0), I skip DB manager and save the test shapefile, ...
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1answer
69 views

Problem using pgRouting 2.0

I follow this great post:pgRouting 2.0 for Windows quick guide, and I have loaded the test data from GeoJSON, like this: But I don't know how to load this layer into my database, and my DB manager ...
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1answer
78 views

Installation extension functions to pgRouting

I'm trying to find sql source of functions routing_dd.sql and routing_dd_wrappers.sql I'm working on Windows 7 32bit. The only one link to that wrote by Underdark is empty: Both are available ...
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2answers
361 views

Doubts about how pgRouting topology is built and how flexible it is

I'm learning pgRouting, to validate if it can be used in a project. I have several doubts. Mostly related with how could I "fill the gap" between the "bricks" it provides and the real world ...
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1answer
143 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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3answers
630 views

How to extract primary and secondary roads from OSM data?

After importing my country roads from OSM data, I need to create a network ( roads connecting big cities ) for use with pgRouting. For this, I need the green, blue and red ones ...
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52 views

PGRouting 2.0 for RHEL5

Is there a PGRouting 2.0 rpm package available for Redhat Enterprise Linux 5.8 and has anyone managed to install it successfully?
3
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1answer
118 views

Is Postgres and Disk IO limiting pgRoutings performance?

I am doing this Q&A style because I have done my google research and I could not find any thrustworthy and 'benchmarked' data. So I did it myself. CPU vs DISK as 'the limitting' factor on ...
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2answers
261 views

Edge column in pgr_dijkstra

I am using pgr_dijkstra for finding the shortest path between two given nodes. The network map is actually a grid based one and I have created all the necessary columns and working fine. But I do not ...
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1answer
157 views

Installing PgRouting

I am trying to install pgRouting 2.0 on postgressql. After writing the data from the share and lib folder into C:\Program Files (x86)\PostgreSQL\9.1... I tried to create pgrouting extension on pgadmin ...
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37 views

Are there any code examples of plotting pgRouting on Google Maps available?

Does any colleague know about a code example of plotting pgRouting on Google Maps?
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52 views

pgrouting 2: missing pgr_findnearestnodedwithin function

With the PgRouting 1.5 I was using the find_nearest_node_within_distance function and it works, but now I'm moving the project to PgRouting 2 + Postgis 2 + PostgreSQL 9.1, and now that function, I ...
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1answer
252 views

Pgrouting functions and geoms type not found. Install failed?

I have installed a postgresql 9.1 and postgis 2.0 from source. I couldn't launch this : # Add pgRouting launchpad repository ("stable" or "unstable") sudo add-apt-repository ...
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2answers
143 views

pgr_dijkstra working but pgr_ksp but returning anything for the same params

The following returns a route as expected. SELECT seq, id1 AS node, id2 AS edge, cost, b.the_geom as the_geom FROM pgr_dijkstra(' SELECT gid AS id, source::integer, target::integer, ...
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1answer
57 views

How to get edge length(distance) from pgrouting DB

I have implemented pgRouting workshop and it's working fine. I need to get every edges length in kilometers to do some calculations I studied the ways table. It contains a length attribute, but it ...
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1answer
214 views

pgrouting: Using nodes instead of ways

I want to compute the shortest path between two points origin=(34.052299,-118.1812657) destination=(34.141132,-117.853179). Below is my workflow. Step 1: Find the nearest nodes. origin: the ...