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

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3
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293 views

Why mobile routing is so fast?

Why my mobile GPS routing calculates routes almost instantly and using pgRouting in my robust PC is so time costly ? EDIT: My test: In my cellphone (Android 4.2.2 - 1G RAM - Dual core - Arm v9) I ...
0
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1answer
35 views

pgrouting download link not working

I am trying to download pgrouting but the download links are not working. I have tried many links but no link is working. can you please help me in this regard. will be thankful
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2answers
164 views

How to add other column into pgrouting query result in pgAdmin output pane?

I'm working on my final research project now and I'm a new user in pgrouting. Is there any chances to add another column name to display in the output pane? I'd like to add road name column so that I ...
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2answers
278 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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0answers
40 views

Create a single line from a resultset of line segments

How can I create a single line using the line segments geometry found in each row in resultset? I followed this tutorial: http://anitagraser.com/2013/07/06/pgrouting-2-0-for-windows-quick-guide/ I ...
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1answer
303 views

How to install pgrouting on Postgresql 9.2 located at /opt/PostgreSQL/9.2/ on Ubuntu Server 12.10?

I have installed Postgresql 9.2 on Ubuntu Server 12.10 using one-click installer from the EnterpriseDB. Then using the StackBuilder I installed PostGIS. Now I also want to install the pgrouting ...
0
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1answer
158 views

pgRouting CMAKE cannot find CGAL

I'm not able to install pgrouting on Centos 6.4 with Postgresql 9,3 and postgis 2.0. I tried from the rpm, but I didn't found the repository. I tried building from the source but I got the following ...
0
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1answer
58 views

Issues with pgrouting workshop code in postgis 2.11/pgrouting 2.0

I'm having issues getting the pgrouting workshop to work on Postgresql 9.2/PostGIS 2.11 and pgrouting 2.0 on windows. How can I rewrite the following php/sql code and make it compatible with my ...
2
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1answer
419 views

How to draw a simple bus network that works with pgRouting?

What I'm I doing wrong? I've created a new shape layer for lines, I've enabled snapping with 5 map units for that layer. When I draw a line between two of the stops I get a purple marker when I'm at ...
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0answers
28 views

How to turn this into a routable network that works with pgRouting? [duplicate]

I'm only asking again since I didn't get any answer and I'm still stuck here... I updated my last question with more info, but it wasn't answered. When I draw a line with snapping enabled and try to ...
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1answer
338 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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1answer
75 views

How to make pgRouting understand bridges and tunnels?

I have I highway that runs on a bridge over a couple of blocks in a city. How do I get pgRouting to understand that cars can't move from the small blocks on the ground up to the highway on the bridge ...
3
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2answers
891 views

pgrouting 2.0 package for postgresql 9.3

I'm trying to install pgrouting 2.0 on a postgresql 9.3 database (with postgis 2.1). Are there any packages on ubuntu 12.04 or do I have to install from source? Is postgres 9.3 supported at all in ...
0
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1answer
373 views

How to install pgrouting 2.x on ubuntu 12.04 LTS

I try to install pgrouting 2.0 on ubuntu 12.04 LTS with postgresql 9.2 I have ppa in the system by sudo add-apt-repository ppa:gwibber-daily/ppa answer: `You are about to add the following PPA to ...
0
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1answer
206 views

pgRouting - Route between multiple destinations - in order

I want to calculate the route between multiple points, respecting the order of the list. For example, if I have the following list: Lat: -40, Long: -30 Lat: -41, Long: -31 Lat: -40.5, Long: -30.5 ...
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3answers
864 views

How to route between lat/lon pairs in pgRouting?

I have set up Postgresql, PostGIS and pgrouting on Ubuntu. I have imported an osm for wales using the following command: ./osm2pgrouting -file wales.osm \ -conf ...
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0answers
154 views

Complexity of A-star algorithm using pgRouting in a graph

I'm using the A-star algorithm in pgRouting. It uses the Manhattan distance as a heuristics ((|dx|+|dy|)/2). What would be the time complexity in a standard route network? Based on Why is the ...
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1answer
55 views

Problem in executing the routing_core.sql

I am getting the following error: ERROR: could not access file "$libdir/librouting": No such file or directory How can I fix it?
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2answers
195 views

how to build topology with 3d linestring in pgrouting

I have some 3d linestrings in postgis database, and I want to use pgrouting for calculating shortest path with Dijkstra. when I execute "select pgr_createTopology('route2', 0.000001, 'geo3d', 'id');" ...
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0answers
155 views

pgRouting results to LINESTRING geometry type

I am doing some routing queries, using pgRouting's second version of pgr_trsp function. What I can't do effectively yet is storing the results. That is, I want to able to store in a table: either ...
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0answers
226 views

Problem Installing pgRouting 2.0; libcgal8 dependency

I've been trying to install PostGIS and pgRouting on an AWS Ubuntu server (first tried 13.10, then reverted to 12.04, both 64bit "small" instance) for several days now but no matter what I do I keep ...
2
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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 ...
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0answers
90 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 ...
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46 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, ...
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1answer
83 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 ...
0
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1answer
83 views

Installation extension functions to pgRouting

I'm trying to find sql source of functions routing_dd.sql and routing_dd_wrappers.sql I'm working on Windows 7 32bit. The only one link to that wrote by Underdark is empty: Both are available ...
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1answer
160 views

osm2pgrouting command not found

I have installed osm2pgrouting on my Ubuntu 12.04 server with the following code from this tutorial: sudo add-apt-repository ppa:georepublic/pgrouting-unstable sudo apt-get update sudo apt-get ...
2
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2answers
463 views

Doubts about how pgRouting topology is built and how flexible it is

I'm learning pgRouting, to validate if it can be used in a project. I have several doubts. Mostly related with how could I "fill the gap" between the "bricks" it provides and the real world ...
3
votes
1answer
335 views

Is there an open source directions webclient for pgRouting like the directions API from Google?

I am looking for an open source webclient with (Google) directions functionality (like draggable lines to create extra waypoints) based on an pgrouting database (with an osm2pgrouting topology). I ...
3
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2answers
546 views

PostGIS + pgRouting: Adding dummy links to a road network and performing routing analysis

I'm a beginner when it comes to postgis and pgrouting development. For a project I'm working on and a bit of the algorithm: I have a polygon layer that represents zones I have a line layer that ...
2
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1answer
167 views

How to link pgrouting edges with street names to route user based in street names?

I have installed postgreSql + postGis + pgrouting and I have loaded OSM data into my database using osm2po and shp2pgsql. How can I search for points in the map using the street names and then route ...
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2answers
324 views

Edge column in pgr_dijkstra

I am using pgr_dijkstra for finding the shortest path between two given nodes. The network map is actually a grid based one and I have created all the necessary columns and working fine. But I do not ...
3
votes
1answer
132 views

Is Postgres and Disk IO limiting pgRoutings performance?

I am doing this Q&A style because I have done my google research and I could not find any thrustworthy and 'benchmarked' data. So I did it myself. CPU vs DISK as 'the limitting' factor on ...
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2answers
235 views

how to build a routeable network for pgRouting with srid 3785

I'm following the pgrouting-workshop http://workshop.pgrouting.org/chapters/topology.html and It works, but in my project I'm working with the mercator projection(srid 3785) and there is not a routed ...
2
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1answer
150 views

Issues when using pgrouting's shortest path

I am having some issues when using pgrouting's shortest path. I am following this tutorial available at http://workshop.pgrouting.org/chapters/shortest_path.html#dijkstra. This query returns a list of ...
5
votes
2answers
824 views

Trouble installing pgrouting

I'm trying to install the pgrouting library but have hit a bit of a problem whilst installing. It's probably something I've done (I'm quite new to Linux so struggling to understand the error message). ...
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vote
1answer
192 views

Installing PgRouting

I am trying to install pgRouting 2.0 on postgressql. After writing the data from the share and lib folder into C:\Program Files (x86)\PostgreSQL\9.1... I tried to create pgrouting extension on pgadmin ...
5
votes
1answer
215 views

osm2pgrouting stuck (showing classes table created) when importing an osm file

I am trying to import an osm file using osm2pgrouting. while following the pgrouting workshop. (file is 700mb~) im running ubuntu 12.04 on m1.large on amazon. the same file was successfully upload ...
0
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1answer
58 views

pgrouting 2: missing pgr_findnearestnodedwithin function

With the PgRouting 1.5 I was using the find_nearest_node_within_distance function and it works, but now I'm moving the project to PgRouting 2 + Postgis 2 + PostgreSQL 9.1, and now that function, I ...
0
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1answer
35 views

Unable to download osm2po from the original site

I've been trying to download the osm2po tool, in order to import the openstreetmap data into postgis database, from the original site and is impossible for me. All links I find in the page are cyclic, ...
0
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1answer
301 views

Pgrouting functions and geoms type not found. Install failed?

I have installed a postgresql 9.1 and postgis 2.0 from source. I couldn't launch this : # Add pgRouting launchpad repository ("stable" or "unstable") sudo add-apt-repository ...
3
votes
1answer
146 views

How can I move along a line (or path)?

Given a line (street, railroad, river...) I want to simulate a moviment inside this line. Example: See this picture: Say I'm in "Nagqu" and want to move to "Kunlunqial". In a time (t=0) I'm in ...
0
votes
1answer
67 views

How to get edge length(distance) from pgrouting DB

I have implemented pgRouting workshop and it's working fine. I need to get every edges length in kilometers to do some calculations I studied the ways table. It contains a length attribute, but it ...
2
votes
1answer
283 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 ...
0
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1answer
61 views

Identify the direction of traveling road segment

I'm using pgRouting to find the least congested path using time as the cost metric. I am using average speed between two nodes to calculate time taken to travel in a segment. In pgRouting there is a ...
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0answers
31 views

What is the best way to manage permissions as root installing postgresql and postgis?

I've encountered an issue numerous times where I lock myself out of my postgres installation as a result of modifying my pg_hba.conf file and therefore screw up my postgres installation because I ...
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2answers
2k views

Calculating many shortest paths with pgRouting

I 145013 Danish addresses, and 10 big cities in Denmark as points in QGIS. Furthermore, I have four vector layers that connect all the points. They are small roads, main roads, freeways and ferry ...
2
votes
2answers
176 views

How to create a network from nodes and boundaries?

I have a table of nodes (points) and i wish to route between the points. Its my understanding that i first need to build a pgrouting compatible topology (graph ?) that connects all the nodes using ...
8
votes
2answers
180 views

Feeder bus service

First of all, a little background. I work for a regional transit agency. We are making a "diagnostic" about our feeder bus service. We'd like to know what proportion of our users could take the bus ...
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vote
2answers
508 views

Calculating millions of distances with Road Graph

I'm new to GIS but thanks to the answers I got in another question here on GIS stack exchange I was able to increase my knowledge significantly. This question is related to an earlier question I asked ...