2
votes
1answer
37 views

What does the values in column clazz (osm2po) mean?

I have a given table in postgreSQL with OSM data which is used for routing purposes in Java with PGRouting. There exist two columns which I don't understand. They belong to osm2po. They are labeled ...
0
votes
1answer
43 views

Repair topology before pgrouting / No results of pgrouting

My goal is to calculate lots of distances along the streets. I followed http://workshop.pgrouting.org/ tutorial except that I used osm2po instead of osm2pgrouting to import osm file. The only problem ...
0
votes
1answer
62 views

Calculate shortest path between each lat/lon point in one table and each lan/lon point in another in Postgresql

I have two tables, both of them have only 2 columns. The first one contain only latitude and longitude coordinates of my source points and the other one only latitude and longitude coordinates of my ...
2
votes
0answers
42 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 ...
2
votes
2answers
98 views

How to create more networking osm

Using localhost page generated by osm2po roteamente noticed that the link is made to link even disabling snapping. Logically thought to create more nodes in the network, but how can I do this ...
2
votes
1answer
89 views

How to generate pgrouting source and target with OSM?

Is there anyone here can explain me more details for pgrouting's source and target? I'm wondering how to generate with the given lonlat in OSM PostGIS entities. In pgrouting's website, they are ...
1
vote
1answer
70 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 ...
1
vote
3answers
132 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
votes
1answer
32 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
votes
1answer
73 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 ...
0
votes
2answers
156 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 ...
0
votes
3answers
203 views

Faster routing algorithm on pgrouting [duplicate]

I have downloaded data for india as a dbf file then converted it using osm2po to make it routable but the problem is when i make any routing query it takes a lot of time around 300 seconds and these ...
0
votes
1answer
82 views

How to use osm2po to solve TSP

I've got a TSP to solve. I created a routable street graph using osm2po and imported the result to PostGIS. On my PG db I installed the pgrouting extension (over PGAdmin3 GUI --> right click ...
1
vote
1answer
206 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 ...
0
votes
0answers
87 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 ...
4
votes
2answers
503 views

Why is any pgr_* routing function taking forever based on OSM data in an pgrouting enabled DB

I loaded the German OSM dataset into the pgrouting DB by using osm2po 4.7.7. Everything works fine i have osm2po set up via it's config and it's working like a charm through it's Java part. I had the ...
0
votes
0answers
143 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
1answer
174 views

Using pgr_drivingDistance with large ids

I have little experience with postgres and none with pgrouting. I'm trying to use the pgr_drivingDistance function with Open Street Map data (generated through osm2po), but whenever I run my query: ...
0
votes
1answer
130 views

osm2po vertices table, what does ref_count stands for?

i am using osm2po to import osm file, into postgres/gis. after de commenting in osm2po config file: #postp.2.class = de.cm.osm2po.plugins.PgVertexWriter i get a nice vertices table, with turn ...
2
votes
1answer
298 views

Unreachable vertex

I'm developing an application for academic purposes that mainly gives to the user a recommended itinerary for a previously introduced preferences (Gastronomy, Leisure,etc.). For this purpose, I use ...
1
vote
2answers
227 views

How to change the function of cost of osm2po?

As the column 'kmh' shows speed limits wrong for my city, and I didn't want to modify the configuration file of osm2po for each type of road, is there a way to change the cost function? I wish: cost= ...
4
votes
1answer
143 views

finding routes just for cyclists

I have created a PostGIS DB using osm2po and I am using pgrouting to calculate the routes. The application I am creating should find routes for cyclists so I want the route finder to prefer roads ...
0
votes
0answers
65 views

how to group interconnected edges inside a table?

Given a table and a random set of edges with source and target columns, how can I find out which edges connect with each other and then group them together using PostgreSQL?
1
vote
0answers
48 views

given sets of vehicle passing on each edge, how to get most used vehicle to avoid transition?

I have two tables: one, the resulting table from converting osm.xml via osm2po so I can use pgRouting, and another one that contains information on what edges each public vehicle passes through ...
2
votes
1answer
125 views

turn osm2po vertex table restrictions column into turn cost for shooting star pgrouting?

i found this thread Does OSM2PO take into consideration turn restrictions? but im kind of new to sql and database so me, making my own query or sp to achieve the above suggestion by myself is kind ...
3
votes
3answers
254 views

How Does Directed and has_reverse_cost Arguments when set to [true, false] and [true, true] Affect Routing?

What will be the difference on the routing behaviour when I try to play with the directed and has_reverse_cost arguments on all the three routing algorithms? Example: the following SQL queries give ...
1
vote
1answer
132 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 ...
1
vote
1answer
405 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 ...
2
votes
1answer
346 views

How to control what kind of tags / flags are imported with osm2po?

With the help of osm2po, I have successfully inserted the contents of the italian files (italy.osm.pbf) in a pgrouting-enabled database (postgresql 8.4) It displays fine in Qgis, using rule based ...
11
votes
3answers
589 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 ...
1
vote
3answers
223 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 ...
2
votes
2answers
813 views

How to find the Shortest Path between two coordinates points using pgrouting A-Star?

In PostGIS I have two tables: an osm road network and a table that contains the start and end coordinate points of each path (i.e. userid, start_x1, start_y1, end_x2, end_y2). I would like to know: 1) ...
1
vote
3answers
597 views

Why is pgRouting shortest route function complaining about wrong source and target IDs?

This question is somewhat linked to underdark post, but I think here it would more helpful: https://underdark.wordpress.com/2011/12/18/osm2po-part-2-pgrouting-on-osm-the-easy-way/#comment-2636 I ...
2
votes
2answers
177 views

What is geom_way column in osm2po generated data?

Could anybody tell me the meaning of geom_way column generated by osm2po?
1
vote
2answers
841 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 ...
5
votes
1answer
345 views

Is PostGis suitable for Global data routing?

I'm searching quite some time now... Is it possible to load the global routing data into PostGis? What can I expect from a performance point of view? It's for routing purposes only. I've downloaded ...
3
votes
1answer
441 views

How to create a QGIS road style for OSM data?

I am trying to use qgis to visualize the shortest path algorithm's result. I managed to import the osm map into qgis But I think it looks kind of different. I was referring to this link and she ...
1
vote
1answer
180 views

Interpreting the geom_way in the table created using osm2po [duplicate]

Possible Duplicate: Issues while plotting the results of pgRouting shortest path I am trying to actually figure out what this column exactly represents and how to use that in my case. I ...
1
vote
1answer
341 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): ...
1
vote
2answers
383 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 ...