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

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2
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1answer
131 views

How to export drivingDistance results in pgRoutingLayer on QGIS 2.2.0?

Hi and first of all congratulation for the great work on working and explaining the posGIS functions in QGIS : it makes this rich GIS enven richer. Thank's to Underdark's pgRoutingLayer extension, I ...
0
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0answers
208 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
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2answers
235 views

pgRouting pgr_tsp() not returning results when used with SQL parameter

I’m trying to solve the travelling salesman problem with locations pulled from a database, e.g.: mydb=# SELECT id::integer, location_lng::float AS x, location_lat::float AS y FROM addresses where ...
2
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2answers
371 views

Keeping up to date with OSM changes in pgRouting

I'm working on a routing application using OSM and pgRouting. I'm only interested in a subset of data, mostly North America (performance was difficult for large amounts of data, so don't want to use ...
1
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3answers
350 views

How to easily remove loose/isolated edges from pgRouting network?

I wondered if there's an easy way to 'clean up' a pgRouting network by removing those edges that do not connect with the global network. Otherwise you risk to end up with cost values of -1, meaning ...
0
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1answer
221 views

pgRouting: calculate many-to-one shortest paths

In a previous question on how to calculate many shortest paths, @dkastl pointed to the pgr_kdijkstra function, which allows to calculate each time the total cost of one source-to-many targets shortest ...
0
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2answers
523 views

pgRouting - calculating route from point to point

I have three shapefiles: roads(lines), logistic center(one point feature) and places(a lot of point features). I have tried to calculate route from logistic center to places by ArcMap network ...
0
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2answers
74 views

PGRouting analyzegraph

I got an error message when I try to execute the command SELECT pgr_analyzeGraph('Highway','the_geom',0.0001); Error message: function pgr_analyzegraph(unknown, unknown, numeric) does not exist ...
0
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1answer
187 views

Invalid references created by pgr_createTopology

I am trying pgr_createTopology on a simple network and it is leaving invalid node references in the source and target columns. Apparently the segments table is not being updated with the new ...
1
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1answer
1k views

Cannot add layer Openlayers 3

I have been trying for a couple of days to perform three very simple tasks combining Geoserver, Opencycle maps base map and open layers 3. I am following the pg_routing workshop as I am using a ...
1
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3answers
309 views

Generating a routing database for the entire world while keeping the tags

I've been looking into this matter for a few days now, but I haven't come up with a working solution. Basically, what we are trying to do is create an entire world database, preferably in PostgreSQL, ...
0
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1answer
69 views

Improving speed on pgRouting on table update with many rows: faster to loop on each row than a table update call?

I am updating thousands of rows in a survey table finding shortest path from each place a survey respondent visits. My code below is the query I use to update the blank route column. The function ...
0
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1answer
116 views

Empty geometry resulting from pgrouting function

Let me start by saying I'm assuming I'm missing something very silly but I can't see it. I have a table of points and I'm trying to generate a polygon around each point that estimates a maximum of ...
1
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1answer
74 views

OSM data - ways table features

I have made this web-app http://160.75.133.173/openWebApp/routing.jsp Users just have to click two points to figure out the shortest possible route available connecting them. I am using OSM data and ...
1
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2answers
257 views

Enlisting all OpenStreetMap (OSM) street names for General Transit Feed Specification (GTFS) routes?

I have exported OpenStreetMap (OSM) data of a city to my local postgresql db using osm2pgsql. I would like to add the General Transit Feed Specification (GTFS) routes information (say bus routes) ...
2
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0answers
88 views

PgRouting-How to calculate only walking routes

I am using osm2pgrouting to import data to my PostGis database from OSM and I was wondering if there is some way to specify to PgRouting to calculate paths with only ways that can be walked by people. ...
0
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2answers
263 views

PostGIS pgr_dijkstra function does not find node that appears in ways table

I am having a problem with pgr_dijkstra algorithm not finding some of the node vertices in my table. I have a large dataset of survey travel diaries and am trying to determine their shortest paths ...
0
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2answers
128 views

Common Web Server for Web Mapping?

I'm planning to create interactive routing map system( for small town only ) which will be running online. My server side language will be PHP and PostGIS/PostgreSQL with using pgRouting and client ...
0
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1answer
72 views

With osm2pgrouting, how to handle relations?

I'm trying to create a topology of the public transport in Paris. I use a OSM export, osm2pgrouting with the correspondent mapconfig.xml and Postgis. Everything works fine, except one thing. In ...
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0answers
1k 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
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1answer
100 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
135 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 ...
1
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1answer
66 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 ...
0
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1answer
176 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 ...
0
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1answer
863 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 ...
0
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1answer
100 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 ...
2
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1answer
2k 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 ...
0
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1answer
98 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
585 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 ...
3
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2answers
341 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 ...
0
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1answer
127 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 ...
1
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1answer
187 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 ...
5
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2answers
440 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 ...
-1
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1answer
338 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: ...
2
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1answer
269 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 ...
3
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2answers
115 views

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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0answers
41 views

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?
1
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0answers
150 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 ...
1
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0answers
259 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," ...
1
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1answer
298 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) / ...
1
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2answers
127 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 ...
0
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1answer
132 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 ...
1
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1answer
414 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 ...
1
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1answer
360 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 ...
0
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1answer
45 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 ...
2
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1answer
325 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 ...
0
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1answer
225 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 ...
0
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1answer
33 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 ...
1
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1answer
309 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 ...
1
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3answers
508 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 ...