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

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1answer
131 views

Is there a straightforward way to get the source/target point geometry of an edge?

I was wondering if there is a straightforward way to get the source or target point geometry of an edge? It is still not clear to me how the source-target works. For example, if I use ...
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2answers
301 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, ...
2
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1answer
53 views

pgRouting: weight routes with similar attributes higher

I am creating my own routable network using pgRouting. I would like my shortest path queries to prefer a route made up of the same attribute. For example, in the image below (please excuse my ...
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0answers
65 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 ...
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0answers
94 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 ...
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128 views

Cost_Matrix Distance: Vehicle routing problem!

I'd like to calculate the "real distance" between one source and many targets, such as we do in the "vehicle routing problem", in order to get the matrix distance at the end. after using the osm2po, ...
2
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0answers
162 views

Is there any VRP solver in Pgrouting 2.0?

after looking at older posts and googling for a while i guess there is not vrp solver (multiple trucks). there was DARP in pgr1.x but i can't see it in 2.x. i found a lot of information on ...
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232 views

pgrouting librouting.dll library is supposedly missing when it is not

Yesterday, I successfully installed pgrouting from the most recent x64 2.0.0 binaries, at least this is what I thought. I was able to perform first query - select pgr_createTopology() from the ...
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54 views

pgRouting only partially segments network

I have a road network traced from an old map with 360 MultiLineString features in table aroads. Many meet at endpoints or intermediate vertices, but some intersect. When I run SELECT ...
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68 views

Why pgRouting GUI panel may not work in QGIS?

What could be the reason behind the mal-functionality of the pgRouting Layer GUI panel? In order to route shortest path via dijkstra function code I'm able to conduct the task using the following ...
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129 views

How to get the nearest points from pgrouting linestring result?

I'm trying to get the points or landmarks near from the result of pgrouting linestring( the shortest path ). I'm using OSM map entities and working with planet_osm_point. Here's my codes. SELECT ...
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152 views

How to calculate bus route transfer by using pgrouting?

Let say I have route 1 from A -> B -> C, route 2 from C -> B -> D, how can I write SQL for pgRouting which can let me have the result route 1 -> route 2 when I want to get the shortest path from A ...
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1answer
78 views

avoid using the same road twice

I am currently developing an application to create tours for motorbikes. At the current stage of development there is a start/endpoint and several points which outline the tour. Between these points ...
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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. ...
2
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1answer
49 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
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1answer
552 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 ...
2
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1answer
2k 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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0answers
238 views

travel survey multi stop routing problem

I have a travel diary survey dataset that I am attempting to transform into more useful information. Currently, the data comes in the format of: Survey# , PlaceVisited#, TravelMode, TripPurpose, ...
2
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1answer
170 views

assign_vertex_id:problems when creating the node ids

Before using pgrouting, I have to create the node ids. I loaded my polyline layer into PostGIS Manager: I type this in SQL query: select assign_vertex_id('split_4', 800, 'geom', 'gid') But as ...
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0answers
128 views

Pgrouting can't find postgresql (on Mac)

I've installed both postgreSQL 9.0 and postgreSQL 9.1 on my mac, using binaries from http://www.kyngchaos.com. I also have postgis 1.5 installed. I tried to install pgrouting, again using binaries ...
2
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0answers
335 views

From pgRouting shortest_path back to osm node id

I'm successfully performing path finding queries like shortest_path on data imported with osm2pgrouting. The tables I have inside my pgrouting DB are the following: List of relations ...
2
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1answer
196 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 ...
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1answer
2k 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 ...
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2answers
281 views

How to fix “Error, query must return columns 'id', 'source', 'target' and 'cost'”?

I have one spatial table with gid, FNODE_, TNODE_ and LENGTH column in my Postgresql/PostGIS database. I am using pgRouting. Problem is, when i try with shortest path query it shows following error. ...
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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 ...
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2answers
848 views

Issues with installing pgrouting in mac

I installed both postgresql and postgis using brew in mac. How can I now install pgrouting. I couldn't install it using brew. Any suggestions?
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2answers
258 views

Is it possible to get 10 (some) ordered shortest paths ordered by distance (cost) with PgRouting (ex: SELECT TOP 10 SHORTEST)?

I'm new in pgrouting. Is it possible to get 10 (some) ordered shortest paths ordered by distance (cost) with PgRouting (ex: SELECT TOP 10 SHORTEST)? Update: why "second shortest" needed? "second ...
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2answers
979 views

osm2pgrouting connection failed

I'm importing data from my OSM file to a postgresql database using osm2pgrouting. I followed everything in from here and it went smoothly, until I try using osm2pgrouting. This is what happens: ...
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2answers
317 views

Shortest Path Matrix with QGIS/GRASS

I signed up just a minute ago, because I am working on my Master's thesis and could not find a working solution for the following problem: I am analyzing Germany's high voltage electricity grid. I ...
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2answers
653 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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1answer
111 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
170 views

Do vertex IDs stay the same every time I run osm2po?

Does anybody knows if vertex (source, target columns) in osm2po tables are always the same? I have my dr_2po_4pgr table with routing data and dr_matrix with routes already made. In this table I have ...
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1answer
363 views

PgRouting Driving Distance crashing postgis server

I haven't used PgRouting much so I'm a little in the dark here. However, I am attempting a driving distance calculation like the one described by Underdark here. My SQL is identical, I have a ...
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2answers
31 views

How does pgr_createTopology assign source and targer?

This is the first time I post a question here. I was following the tutorial from Anita Graser http://anitagraser.com/2013/07/06/pgrouting-2-0-for-windows-quick-guide/ , on a roads table which ...
1
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2answers
92 views

How to aggregate pgr_dijkstra results by attribute?

I working with a table with a lot of points per road/street. I'm using pgRouting's pgr_dijkstra method to give me a path, but it returns too many points per road/street, I'd like to know if there is a ...
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2answers
76 views

Learning pg_routing - shortest_path error

I'm learning PostGIS and pg_routing to help in our project planning and grant applications at my transportation agency (we wanted to move beyond the limitations of the 1/4 mile walking buffer we use ...
1
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3answers
63 views

problem to use openstreetmap data file with pgrouting2.0 on PostgreSql9.3

I'm a newcomer on pgrouting, and I want to test its functionalities. I've installed and configured my computer with Postgresql9.3, pgrouting2, and PostGIS. I've downloaded from openstreetmap the ...
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2answers
279 views

Get km route between two points with lat / lng

I'm doing the following query to get the distance between two points with pgrouting: SELECT sum(cost) AS cost FROM pgr_dijkstra( 'SELECT id, source, target, km as cost FROM ...
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 ...
1
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1answer
824 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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3answers
435 views

Why is pgrouting driving distance skipping edges?

I have a road network where I do a driving distance operation through pgrouting. This is my SQL: SELECT * FROM driving_distance('SELECT gid AS id,source,target, cost FROM ...
1
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3answers
288 views

Is it possible to change the projection used in OSM2PO?

Is it possible to change the projection used in OSM2PO? I used the following command to generate a SQL file which I loaded into my database: java -jar osm2po-core-4.2.30-signed.jar prefix=at ...
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2answers
478 views

How to restart an osm2po service from a previous run?

I have followed underdark's clear and concise "how to" to get osm2po running. The web service is a great little tool for inspecting the data. Is there a way to restart the service using an existing ...
1
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1answer
39 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 ...
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1answer
82 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 ...
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1answer
79 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 ...
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1answer
41 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 ...
1
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1answer
142 views

Speeding Up pgr_dijkstra using bounding box in PostGis2.0

I'm using PostGIS for the first time to calculate distances between two points, for a driving school booking system I am working on. I have loaded in all of the maps for Australia, but the query I ...
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2answers
211 views

How to make a routable network topology?

We are trying to make a network topology for pgRouting from our own data. But there is a problem we could not resolve; our road data look like this; The red edge is a single geometry, so we can not ...
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2answers
391 views

How to get the closest point from a table in PostGIS?

I have a table of pgrouting nodes, structured like this: CREATE TABLE ways_vertices_pgr ( id bigserial NOT NULL, cnt integer, chk integer, ein integer, eout integer, the_geom ...