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

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2
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74 views

Dijkstra's Algorithm direction issue

I am trying to implement Dijkstra's algorithm, my query is working fine if I set direction parameter to false. I have to consider the direction of travel while calculating route from point A to point ...
2
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2answers
540 views

how do i know my pgrouting version?

Is there a way to know what version of pgrouting do I have? My OS is ubuntu 12.04. I want to know my pgrouting version because the 1.05 version has some issues with shooting start and the directed ...
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45 views

pgr_dijkstra doesn't return when cost values are low

I'm using a different cost column in pgRouting, and passing it to pgr_dijkstra but it returns 0 rows. I analyzed that column and contains some 0 and values in scientific notation (1e-6) and also ...
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2answers
263 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) ...
0
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1answer
42 views

pgr_dijkstra return values in lat/long

I'm new to PostGIS and pgRouting and I'm using the pgr_dijkstra functionality and I need to convert the values it returns in the format lat/long, is that possible? If so, how?
2
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2answers
119 views

I import map from file osm.pbf using osm2po. Why the low speed function call pgr_dijkstra in database Postgresql?

Good day! I import map from file russia.osm.pbf using osm2po. Why the low speed function call pgr_dijkstra in database Postgresql (>2 minute)? My steps: java -Xmx6g -jar osm2po-core-5.0.0-signed.jar ...
2
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1answer
116 views

pgrouting calculate length of shortest travel time route

I currently use the pgr_kdijkstraCost() function to calculate the travel times of a few origins and destinations. But I would also like to return the distance length of these trips. Is this possible? ...
2
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2answers
303 views

Convert SmallWorld GIS topology to pgRouting topology

Is there any way to convert SmallWorld GIS topology to the format that pgRouting use? My costumer have use SmallWorld GIS and make his topology on it. but when he export his information as shape file, ...
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1answer
413 views

How to get travel time and link used from osm2po http service

I used osm2po to get shortest paths but I would like to get travel time and osm links ids used in the path. Is it possible? Here is the osm2po service url format I use (this is an example): ...
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1answer
367 views

driving time to the nearest facility using pgrouting

I'm using pgrouting 2.0 and postgis in postgresql. My problem is to calculate the driving time to the closest facility for each node of my OSM derived network. These are the steps to be implemented ...
3
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2answers
1k views

How to find the best route through multiple points?

I am using postgreSQL, postGIS and pgrouting. Now I am really confused on how am I going to find the shortest path between multiple points. I know how to find it between two points through dijkstra ...
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17 views

Pgrouting (QGIS) multiple point [duplicate]

I have read al lot of the pgrouting, but i still not quite sure if it can do what i want. I have 20 stop points and i have 1 starting point and 1 finish point. I want to calculate the shortest path ...
0
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1answer
53 views

Creating routable grid map with pgrouting considering -180 & 180 discontinuity

I was able to create a routable grid based network table with gid, source, target, cost columns. I used pgr_create_topology function for this purpose. I use this map to apply the pgrouting algorithms ...
0
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0answers
31 views

pgRouting dijkstra query

I have two questions about the dijkstra algorithm in pgRouting. First is it is possible to have take as cost the abstraction of two values and take only positive result then negative take it as zero. ...
0
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1answer
63 views

Return nodes along portions of edges with pgrouting

I have been experimenting with generating isochrones with pgrouting using osm data. So far, I have been able to generate isochrone polygons by getting the concave hull of the nodes returned from the ...
0
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2answers
101 views

Incomplete data - lines missing from osm2pgrouting

I am importing OSM data into PostGIS using osm2pgrouting but some data is missing/did not import. I am using the default mapconfig.xml and this appears to work for most roads. For example in below ...
1
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1answer
41 views

unknown parameter: -conf Error in osm2pgrouting

I was just going through the following tutorial HERE. I have extracted all the files succesfully using the below commands: cd ~/Desktop/pgrouting-workshop/ tar -xvzf data.tar. But when i run the ...
0
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1answer
40 views

Understanding a complex query in pgrouting

I am new to pgrouting and basically am familier with sql and postgresql, i came across the following command below: SELECT seq, id1 AS node, id2 AS edge, cost FROM pgr_dijkstra(' ...
3
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1answer
276 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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53 views

Snapping points to nearest road - query is extremely slow

I have a two tables containing (1) all parishes in Denmark (centroids) and (2) a road network of Denmark (OSM data). I am trying to find the nearest road for each parish centroid. To do this I'm ...
0
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2answers
241 views

trsp route between two points ( not edge to edge )

I'm trying to solve common problem, how to generate route/navigate between two GPS coordinates and not between two edges using trsp algorithm. I did read many articles here but i'm not sure how should ...
0
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1answer
72 views

How to connect QGIS to PostGIS? [duplicate]

I want to establish connexion QGIS and PostGIS in order to run the pgRouting Layer, how can I do it?
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1answer
93 views

A few PgRouting database design questions

Does someone know how the cost field in PgRouting is calculated? What are 'source' and 'target' good for? 'osm_source_id' and 'osm_target_id' contain the same information using different numbers. Is ...
0
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1answer
71 views

pgrouting Dijkstra: routing with non-vertex data

I have some data samples, they are some traffic accident locations (have shape files) I really want to use the dijkstra function of pgrouting to look into their shortest distances between each other. ...
0
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1answer
377 views

missing tables vertices_tmp and vertices_tmp_id_seq pgrouting workshop

I'm using OSgeo 6.5 dvd and studing pgrouting workshop for get shortest path. I created database call "routing" and used "template_routing" for create tables but only 3 tables created. So then I ...
1
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1answer
54 views

PgRouting: Target vertex error

I'm trying to make a matrix that shows the cost from a node to the rest of the nodes in a network. The final result I'm looking for is not the cost, but only know if a car can or can not reach each ...
2
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1answer
329 views

How to find Shortest Route between two points in PostGIS without using pgRouting?

I want to find shortest route between two points stored in PostGIS database. I know about pgRouting functionalities but I don't want to use it because of data processing/topology creation processes. ...
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2answers
1k views

osm2po vs osm2pgrouting: workshop pgRouting

As osm2po was a more reliable way to convert an .osm I went for that solution to load my date in postgres. In the workshop however the author points out to check the result after osm2pgrouting. The ...
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72 views

compiled pgrouting: could not access file “$libdir/librouting”: No such file or directory

Can I ask how can I compile pg-routing myself so i can modify the codes myself? I now installed by sudo apt-get install. When I downloaded the source codes from github and compiled it myself, it ...
1
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1answer
62 views

pgrouting: function driving_distance does not exist

I tried to run driving distance function but got error. function driving_distance(unknown, integer, integer, boolean, boolean) does not exist LINE 1: SELECT * FROM driving_distance(' ...
0
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1answer
64 views

How to set the target schema using osm2pgrouting

Is it possible to set the target database schema using osm2pgrouting? After some debate and troubleshooting, I've decided to host my OSM-based pgRouting data in the same database as the rest of my ...
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64 views

how to create Topology table?

i have gis database called Madar in pgadmin with postgis and pgrouting extension, all the data inside gis database already inserted by shp2postgre tool , what i really need now is how to make topology ...
2
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1answer
66 views

Get nearest node following segment

I am trying to get the nearest node from a point(Id 1) . The coordinates (lat/long) are input by an user . I am using some functions like pgr_nearest_node() or get_nearest_node() from get_nearest_node ...
1
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1answer
1k views

Does OSM2PO take into consideration turn restrictions?

It is supposed that for using Shooting star function in pgrouting, we need to have RULE and TO_COST fields in our table, but OSM2PO hasn't created those fields. what must i do for OSM2PO takes into ...
0
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1answer
81 views

pgRouting not returning node with correct z-value

have an issue with pgRouting that I've modified to consider multi-floor indoor areas. I've created a mock floor plan of any typical hotel. I copied the floor plan and assigned a different z-value to ...
1
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1answer
73 views

Visualising Multiple Routes from pgrouting in QGIS

I am able to Visualise the Single Route from Source A to Target B by the following code in QGIS SQL "id" in ( SELECT id2 as id FROM pgr_dijkstra( 'SELECT id, source, target, cost FROM ways', ...
0
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1answer
194 views

pgRouting with multiple floors [duplicate]

Hoping I might get some help with indoor multi-floor routing using pgRouting. At the moment, I have a dummy network system created to analyze shortest routes between locations with the results served ...
12
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4answers
3k views

Route optimisation for multiple vehicles

I have 100 destinations and 5 vehicles and I need to code a solution that efficiently routes the vehicles to each destination, so each destination is visited by 1 of the vehicles. Some of these ...
1
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1answer
825 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 ...
1
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1answer
91 views

How to check if a node is in route computed with pgRouting?

I'm new to the GIS system and I'm following the pgRouting workshop. I've imported the locations of nodes (points, highway=street_lamp) using osm2pgsql. now I'm calculating a few paths between two ...
2
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0answers
97 views

PostGIS for GPX analysis

I have GPX trails of vehicles/bikes of a particular city. Meaning, lat/lon, timestamp of bike trails from where a particular bike started and ended at different hours of the day. I have sets of these ...
0
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1answer
52 views

Importing map information with osm2pgrouting

I'm importing the cartography of Spain with osm2pgrouting. I want to import address information, that is, the tag addr = *. I modified the file mapconfig.xml follows: <type name="junction" ...
11
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4answers
802 views

How to add offsets to the route?

Edited: I want to ilustrate my question. Suppose that you're in "Point A" and want to go to "Point B". This points wouldn't be in "at_2po_4pgr" table cause aren't source/targets nodes. Then, I ...
0
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1answer
24 views

PGR_Djikstra function error

I'm trying to find a shortest path between 2 nodes using djikstra method but it keeps saying ERROR: Error, query must return columns 'id', 'source', 'target' and 'cost' this is my query: ...
0
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1answer
75 views

Add columns with information OSM by osm2po?

I imported the europa.osm network within my spatial database thanks to the osm2po tool. I use this with pgrouting. My problem is that I need to know the information provided by the tag address (city, ...
0
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1answer
46 views

PgRouting Obtain RoadNetwork data from osm file

I am trying to obtain road-network data from OSM file using pgrouting and for this I am following this tutorial: http://workshop.pgrouting.org/ The format I am looking for is ...
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39 views

How do I tune postgres to quickly find the shortest path on a large dataset (4M)?

My graph has ~4M rows, and I am running it on 2.55GHz machine. When postgres gave it the default amount of memory settings, it took my ~55 seconds to run the pgr_ksp function against it (where k is ...
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1answer
43 views

What can I use to generate an interconnected graph from a series of coordinates?

I have a table containing latitude and longitude coordinates, and I'd like to be able to build an interconnected graph from it to use with pgRouting. Is there an existing feature of postGIS or ...
0
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0answers
46 views

Densifying OpenStreetMap (OSM) network nodes?

I am working with osmconverter to convert osm files(*.osm) to *.pbf, then i use osm2po to get sql file that run into PostGis to get a network table. The last step is to run a createTopology ...
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89 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 ...