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

learn more… | top users | synonyms

3
votes
1answer
221 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. ...
2
votes
1answer
87 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
votes
1answer
315 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 ...
2
votes
1answer
40 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 ...
2
votes
1answer
525 views

Create isochrone from multiple start points

I want to create an isochrone. For this I could use the pgr_drivingDistance function with pgRouting (http://docs.pgrouting.org/dev/src/driving_distance/doc/index.html) but it only takes one start ...
2
votes
1answer
480 views

Using osm2pgsql data with pgrouting 2.0

I have successfully manage to make the workshop from of pgrouting (wrote for v1) with pgrouting v2. Now I want to use pgrouting 2 on my postgis database created with osm2pgsql. The problem is first ...
1
vote
1answer
44 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, ...
1
vote
1answer
95 views

Removing pseudo nodes from PostGIS database using ST_ModEdgeHeal()?

I have used osm2po (5.0.0) and its autogenerated SQL file to load some 25% of Europe.osm.pbf as a network table into my PostGIS database. I have also created an associated nodes table with select ...
1
vote
1answer
89 views

Solving “Traveling Purchaser Problem”

Till now, I was using PostGIS-pgrouting pgr_tsp function to solve Travelling Salesman Problems. This function can give us the best possible route depending upon the cost parameter when the starting, ...
1
vote
1answer
85 views

problem in pgRouting with data from google earth

Hello i am new in forum an in Postgesql,postgis and pgRouting. I try to make a pgrouting for my city roads. I use googlemaps to make a lines with coordinates of the roads and export the results in ...
1
vote
1answer
168 views

QGIS Contour plugin: Creating complex isolines leads to isolated areas

I use the contour plugin (v1.1) within QGIS 2.4 to create contour lines. I have streets with different travel costs. I observe problems for streets with low travel costs if they are surrounded by ...
1
vote
1answer
63 views

Implementing Wrapper of PostgreSQL?

How can I implement the Wrapper of PostgreSQL? I found this useful looking wrapper from a FOSS4G routing with pgRouting Workshop but I do not know how to implement it!
1
vote
1answer
103 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 ...
1
vote
1answer
115 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 ...
1
vote
1answer
114 views

Route through water polygons

I have a water-polygon grid shape file as shown (Each grid is 1latx1long): I have created this in QGIS and files (coastal lines and land polygons) selected from http://openstreetmapdata.com/data ...
0
votes
1answer
15 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, ...
0
votes
1answer
20 views

how to fix this ERROR: Start vertex was not found

I am attempting to make an SQL selection but receive an error. My statement: SELECT * FROM network JOIN (SELECT * FROM shortest_path(' SELECT gid AS id, start_id::int4 AS source, end_id::int4 ...
0
votes
1answer
66 views

Isochrone driving/public transport map : Grass or postgis?

I have to do Isochrone driving / public transport map. It would seem that the two better open-source solutions are grass and postgis. Could you tell me which one is the better? the easier to ...
1
vote
0answers
162 views

How to add column “EDGE” in pgRouting?

I am a newbie in PostGis and pgRouting. I have installed and configured both on my windows PC, following FOSS4G tutorial. I am able to see the result in browser, using GeoServer and OpenLayers. ...
1
vote
0answers
171 views

dijkstra_sp_directed not returning any result

I am trying to create a routing application with OSM data. What I am working with is an almost square area of about 30x30 kilometers, so nothing too big. But when I do something like SELECT ...
0
votes
0answers
63 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 ...
0
votes
0answers
12 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 ...
0
votes
0answers
18 views

Indoor routing using Leaflet and pgrouting

I am going to create a project with leaflet and pgrouting for indoor mapping. now I want to search for possibilities of doing this,I want to chose right library for this .Does any one has any ...
0
votes
0answers
21 views

How to get a time cost related to polyline geometric characteristics in postgis using OSM data?

I'm trying to make an isochrone mapping of the emergency facilities in my region, I'm using a street map loaded in postgis by osm2pgrouting, data is supplied by OSM. The only cost I got for every ...
0
votes
0answers
30 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 ...
0
votes
0answers
65 views

Package pgrouting_93 rhel7 rpm is not signed

I am trying to install pgrouting on Centos 7 like this: 1) Install Postgresql RPM - 9.3 on Centos 7 : http://yum.postgresql.org/repopackages.php#pg93 2) Install Postgresql 9.3 , PostGIS 2_93, ...
0
votes
0answers
20 views

Error of doing pgr_analyzeGraph

I just completed the command pgr_createTopology, but it fails to do pgr_analyzeGraph & pgr_createTopology. The error is as below: Anyone can give me an idea? Thanks ERROR: isring() should only ...
0
votes
0answers
73 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, ...
0
votes
0answers
58 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 ...
0
votes
0answers
83 views

Insert several gtfs feeds into the same postgis/pgrouting database

I want to import sevaral gtfs feeds into my postgis/pgrouting database so that I can route over all my gtfs feeds. The problem is that the sources / destinations ids of my gtfs are likely to ...
0
votes
0answers
71 views

Project with Postgresql and PHP and GoogleMaps

i like to make samething like this https://sites.google.com/site/mapperzmapdemo/ put i stack in the conection database and web application I try to explane my problem i make a code to read first ...
0
votes
0answers
56 views

How to calculate fastest bicycle routes in Stockholm with QGIS?

Hello StackExchangers, I would really appreciate if expert users could point out a few directions for me, this is what I wanna do: Access an online map from my iPhone that gives me the possibility ...
0
votes
0answers
60 views

Problem in importing .osm file with osm2pgrouting 2.0

i've got two different systems: First system is: Ubuntu linux 64bit Postgres 8.4.8 Postgis 1.5.1 pgrouting 1.05 osm2pgrouting 0.2.0 This the system i've used for an old project that is already ...
0
votes
0answers
86 views

Calculating driving distance from many nodes (sources) to one target using PgRouting?

I'm using a PostGIS / pgRouting database setup with a road network. And I want to calculate a driving distance and shortest path from many sources to one target. I found that pgr_kDijkstra can ...
0
votes
0answers
27 views

PgRouting - TRSP usage

I have tried to use TRSP function to compute the route using turn restriction feature. Imagine we have such path A --> B --> C --> D and I have add a restriction on link B --> C. Normally when I run ...
0
votes
0answers
32 views

PgRouting TRSP functions issue

I have tried to use the pg_trsp functions to compute the shortest path from an edge A to an edge B. When I call pgr_trsp, I need to inverse the order of edge in the call like this SELECT * FROM ...
0
votes
0answers
28 views

Using pgr_createTopology on only a subgroup of the table

Lets say I have a table with the standard id, source, target, and cost needed for pgr_createTopology. Now lets also say I have a 5th column called floor. Is it possible to run pgr_createTopology on ...
0
votes
0answers
576 views

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 ...
0
votes
0answers
83 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 ...
0
votes
0answers
53 views

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 ...
0
votes
0answers
98 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 ...
0
votes
0answers
48 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, ...
0
votes
0answers
69 views

How to avoid intersection in pgRouting

I'm a newbie in pgrouting. I want to create a web-app with routing function. I want to ask how to avoid a road intersection with pgRouting? For example, there are some traffic jams happened in several ...
0
votes
0answers
186 views

pg_routing / osm2po routing not working

I'm trying to make working pgrouting 2 but no luck. Generally it is working but routing table is completely wrong. I did import osm database using osm2po(): java -Xmx1024m -jar ...
0
votes
0answers
62 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 ...
0
votes
0answers
1k 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 ...
0
votes
0answers
89 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 ...
0
votes
0answers
127 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?
0
votes
0answers
268 views

assign_vertex_id error

I am trying to test if pgrouting works fine or not. To do so I have created a table containing the following attributes. Columns: gid | length | the_geom | source | target Now my ...
-3
votes
0answers
22 views

pgrouting in qgis for finding path from source to target

I have installed QGIS and for my project i need to give the shortest path to user from source to destination and following this tutorial http://workshop.pgrouting.org/chapters/shortest_path.html In ...