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

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145 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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63 views

pgRouting:routing problems using reverse_cost

I saw this post:Routing issues with pgrouting, and try the ability of reverse_cost. As the result of this post, if there is only one way to go from one node to another, even though the reverse_cost ...
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74 views

create node ids with a multilinestring

I've got to make a route with my multilinestring table "routebus", but I can't create the node ids... maybe the fact that it's a multilinestring is the problem, but I really don't know how to solve ...
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53 views

pgRouting Win 7 installation problem

I have run into a problem installing pgRouting. Following Anita Grasers guide, I have gotten as far as to execute the three .sql files. The first sql file (routing_core) runs fine, but for the second ...
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97 views

osm2po vertices table, what does ref_count stands for?

i am using osm2po to import osm file, into postgres/gis. after de commenting in osm2po config file: #postp.2.class = de.cm.osm2po.plugins.PgVertexWriter i get a nice vertices table, with turn ...
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754 views

How to install PostGIS and pgrouting on Windows if Stack Builder fails to connect?

I know this has probably been covered and that there are plenty of guides out there, but for the life of me I cannot get pgrouting installed. All guides/how-tos are different or assume prior ...
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828 views

Is Shooting Star broken in PGRouting 1.05?

I'm using pgrouting DLL 1.05 with postgresql 9.1. All required function installed. Astar and Dijkstra work fine with sample data but "SHOOTING STAR" is not considering "reverse_cost". Also if i try ...
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Installing pgRouting in Windows 7

Can you please help me out in Installing pgRouting in Windows 7 64-bit version. I have been trying it for days. Since I am completely new to this please provide me the initial requirements and steps ...
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185 views

It is possible to add A* to the pgrouting plug-in?

I am using pgrouting layer plug-in as described in this post: http://underdark.wordpress.com/2011/12/18/osm2po-part-2-pgrouting-on-osm-the-easy-way/ I am now able to calculate the shortest path using ...
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76 views

pgrouting shortest_path return longest_path

I've got troubles with shortest path function from pgrouting. I try to calculate the shortest path between an address and a bus stop. I first found the nearest road points for the address and the bus ...
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138 views

pgrouting 2 pgr_createTopology not populating source and target field

I trying to integrate pgrouting 2.x. I am now using pgrouting 1.x. In version 1 I used assign_vertex_id. It already dropped in version 2 and became pgr_createTopology function SELECT ...
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199 views

PostGIS ERROR: function x(geometry) does not exist

I am using the following postgis query for updating a pgrouting table from my custom road data. In the x(ST_StartPoint(part_geom)) as x1, line its returning an error mentioned ERROR: function ...
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29 views

pgrouting sample html on osgeo-6.05 not working

I am trying to get pgrouting workshop done. I did all the things which are mentioned in the workshop. But still call to http://localhost/pgrouting/routing-final.html in browser doesn't display ...
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4k 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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337 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 ...
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110 views

Pgrouting - Networking

my problem is regarding routing. I have a network based on bicycle graph links (SRID: 4326), with bidirected and directed ways. I want to give the user the functionality to draw a route (shortest ...
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187 views

Emergency Services: How to optimize routing by measured travel time?

I would like to optimize the service areas / catchment areas for an emergency service. Therefore, I have several measurement points on the streetmap, where people have stopped the travel time from ...
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318 views

how to solve “could not access file '$libdir/librouting'” problem in ubuntu 12.04

I am trying to install pgrouting in my ubuntu 12.04 machine using the instructions of this link. However, when I try to execute the following command based on step 3, it generates some error. command ...
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539 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 any ...
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20 views

How to find all possible paths by Postgis / Pgrout [duplicate]

There are functions available to find the shortest paths in Postgis / Pgrouting extension. But is it possible to find all the possible paths between two points/nodes ? Is there any such function ...
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111 views

Looking for best practice to connect multiple road vector line layers for routing (pgRouting) purposes

The Data I have: Bridges (line layer) Municipal_roads (line layer and does not include information in Bridges) State_roads (line layer that doesn't include Municipal_roads or Bridges) Question: ...
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433 views

Improve performances on distance coverage routing - PostgreSQL

I have to create layers of land coverage from one point to anywhere around on a given street network for a given distance (ex: FROM house, DISTANCE 30000m) An important factor to understand; I need ...
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79 views

Shooting star algorithm in postgres 8.4 and postgis1.4 showing fatal error and remaining are working fine

When I try to run this shooting star algorithm, the postgis suddenly loosing connection to postgres and showing error no connection to server SELECT * FROM shortest_path_shooting_star(' SELECT gid ...
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38 views

driving_distance does not return all sets of distance

As title, I am working with pgRouting, trying to get the distance matrix along the river system. I use driving_distance function and it seems like I am getting what I want: But when I check the ...
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29 views

Can driving_distance return all sets of distance from different starting points at one time?

I'm now using the extension of pgRouting, driving_distance, to search for the distance along the river system: In the figure, the starting point is 3, but I want to get the distance starting from ...
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500 views

ERROR: function shortest_path(unknown, integer, integer, boolean, boolean) does not exist

I have my roads and locations added into my PostGis DB, and have installed pgRouting's SQL files. However, when I attempt to run: SELECT * FROM shortest_path(' SELECT gid AS id, ...
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251 views

How to create routable network by pgrouting with assign_vertex_id?

I'm trying to create the routable network as per http://underdark.wordpress.com/2011/02/07/a-beginners-guide-to-pgrouting/and use assign_vertex_id. Do I still need to create the node table? How would ...
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148 views

Win7 Senior users_Which pgRouting and postGIS versions are stable with postgreSQL8.4?

I'm working on a postgreSQL ,postGIS and pgRouting project on Windows 7 I need to work on a stable version (no time for risks), and I can see that many people are asking the same question many ...
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348 views

How to install multiple versions of postgres in same os windows 7 64-bit?

I have already installed PostGIS along with opengeosuite and it is the latest version. Now I want to run pgrouting but the latest stable version does not compatible to the latest postgres versions. ...
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113 views

Does each road segment need to be digitized into a separate entry for a road network?

I am trying to understand this code in pgRouting for creating topology: CREATE OR REPLACE VIEW road_ext AS SELECT *, startpoint(the_geom), endpoint(the_geom) FROM road; CREATE TABLE node AS ...
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92 views

What are the rules for digitizing roads for creating a road network?

I want to create shortest route tool using pgRouting. But I digitised roads in a random manner. Shall I need to give a separate row for each road segment?
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164 views

How to visualize pgrouting query results in mapguide open source

I would like to make a spatial query using postgis 2.0 and pgrouting 1.05 then visualize results in Mapguide open source.Any suggestions?
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91 views

Can pgRouting work more efficiently?

I use a river network on which has a lot of nodes to test pgRouting, and I run the SQL, searching for the shortest path between nodes. SELECT * FROM shortest_path(' SELECT gid as id, ...
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114 views

pgRouting:how to use reverse_cost?

I add a new column, naming it "reverse_cost", and give it the same data in the shape_leng column. But as I run the shortest path algorithm in pgadmin, I got an error message. here's my sql code ...
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129 views

Creating the node ids:Is this SQL error related to geometry type?

I loaded a multilinestring layer into PostGIS Manager: and use the SQL query, trying to get the table with the node ids: ALTER TABLE split_4 ADD COLUMN source integer; ALTER TABLE split_4 ADD ...
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644 views

How to use pgRouting's dijkstra_sp_delta_directed with WHERE clause?

Right now I am using PgRouting for vehicle routing and I have problem with Dijkstra shortest path. My query is: SELECT * FROM shortest_path('SELECT gid AS id, source::int4 AS source, ...
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157 views

SQL Command to convert pgRouting result to GeoJSON

My goal is to produce a Web UI for pgRouting using this tutorial. I have already imported my data from an OSM pBF to PostGIS using osm2po. Using the pgRoutingLayer plugin for QGIS, I was able to ...
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135 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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127 views

osm2pgrouting hangs on “classes table created”

I'm trying to run osm2pgrouting and on Ubuntu 12.04...everything looks like it's working until it gets to "classes table created" when it just stops. I'm watching the process with the system monitor ...
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55 views

pgRouting one way segment direction

How can one acquire information about direction of a one way road from OpenStreetMap data converted to a postresql database with osm2pgrouting?
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392 views

Using OSM data, pgRouting, and dummy data to develop an origin/destination travel matrix

Further to my previous question I was wondering if it is possible to add dummy node data without to do routing analysis. ISSUE I have a polygon layer that represents zonal attributes I created a ...
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287 views

Why doesn't pgRouting return the best path?

Let the next portion of a graph: When I use the function shortest_path between the points A and B, I got the blue path. Why does this happen?
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Do I need to deal with warnings about row count and spatial index to use pgRouting?

After read this nice post from underdark A Beginner’s Guide to pgRouting, although I still have some little problems, I think I can begin the "Creating a routable road network" stage right now. I got ...
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5answers
3k views

Problems in installation of PostGIS

I will be installing PostGIS for my project using PostgreSQl (OSM) in Ubuntu 9.04. I had all the requirements prior to the installation (PostgreSQL, Proj4, GEOS). When I unzip the PostGIS tar, then ...
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145 views

pgRouting Dijkstra returns wrong [duplicate]

I've just observed something quite odd. I have created a table with data for routing, and this table contains data for a graph over six different hour conditions. So when performing shortest_path, I ...
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1answer
241 views

How to add Custom data (like for Indoor floors) and find routes using open source software?

I am a newbie to GIS platforms so maybe whatever I am asking is very simple or obvious. I have read documentation/tutorials and as a last resort I am posting here, so any help is appreciated. I am not ...
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247 views

Unreachable vertex

I'm developing an application for academic purposes that mainly gives to the user a recommended itinerary for a previously introduced preferences (Gastronomy, Leisure,etc.). For this purpose, I use ...
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Is there a way to start the route on pgrouting from a coordinate that is not a node?

After execute all steps from this pgRouting tutorial, now I have a map that creates and displays routes, but as the routing methods rely on parameters representing vertex Ids that was created using ...
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100 views

segment lines according to point using pgRouting?

I'm working on postgresql and I am trying to create table to generate graphs. I have a table that contains all the objects of a city (points) and another contains the city street. My goal now is to ...
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137 views

Problem using shortest_path with find_nearest_link_within_distance function

I'm tried to work on the scenario that avoiding go through some path if there is a barrier near that path. It can run well with the query below: SELECT * FROM shortest_path('SELECT gid AS id, ...