OpenStreetMap is a collaborative project to create a free editable map of the world. The data is free, and free of legal and technical restrictions. OpenStreetMap is often shorted to OSM.

learn more… | top users | synonyms (1)

3
votes
1answer
142 views

Add vertices costs to postgresql routable network

In osm2po it's possible to create custom routers as the sample router TrafficSignalsRouter, but the costs seem to be added on vertices after the routing. Is it possible to add these costs on the ...
3
votes
3answers
184 views

Is there a way to locally add links to an OSM data set

Here's what I'm trying to do: I'm modeling some transportation logistics data I want to test the effects of a "new highway" on existing travel demand The new road will be created from an arbitrary ...
3
votes
1answer
831 views

Drawing isochrones on map?

I am a fourth year graduation student of the Amsterdam University of Applied Sciences. I am currently working on my final thesis for which I am doing research on the Amsterdam Airport catchment area. ...
3
votes
2answers
3k views

How to remove layers of detail from an osm file?

I want to remove some layers from the osm map of an area. It has all the details like POI, offline routing and all. But I just want the map data. How can I remove this extra layer from the map?
2
votes
2answers
5k views

Openlayer maps issue with ssl

I am using openlayers map by using the hosted js : <script src="http://openlayers.org/api/2.13.1/OpenLayers.js"></script> But my client has ssl installed and when i try to run my map ...
2
votes
2answers
218 views

Why OSM data has different attribute values from the same element and same time frame?

Here is my question: Does anyone know why OSM has different attribute values from the same element and same frame time? The example explains itself, when I try the Shapefile from different mirrors ...
2
votes
1answer
1k views

How to Determine to world map size in pixel given this data?

How to Determine the world map size in pixels given this data? Map size of a particular area say, for example: Makati city, Philippines with bounds: Top-Right: 121.0281, 14.56497 Bottom-Left: 121....
1
vote
1answer
787 views

calculate costs based on way difficulty

I am using Osm2Po to find routes between two points. I am trying to find routes based on the difficulty specified by the user. Basically, I would like to calculate the cost based on some parameter ...
1
vote
2answers
2k views

Looking for a MAP to SLD converter

Does anyone know where I can find the converter from .map to .sld? I have a big mapfile of styles for OSM and I have the styles mapnik.xml for OSM but I use Geoserver for my work. Or does anyone have ...
1
vote
1answer
319 views

Howto setup osm2psql

I'm following these instructions to setup osm2psql . I need it to import osm data file inside a PostGIS DB. The following steps worked fine: createdb -E UTF8 -O user mydb createlang plpgsql mydb I ...
6
votes
2answers
3k views

Most reliable way to import large dataset with osm2psql

I know my question is similar to slow import via osm2pgsql to postgresql database and Optimizing osm2pgsql imports for OSM data but as we currently have quite some problems importing a large set of ...
6
votes
3answers
332 views

How to find out if OpenStreetMaps contains low emission zones?

Since I never really digged into the data contained in OpenStreetMap I ask myself what would be the recommended way to identify layers or tags within the overall data. In my current use case I want to ...
5
votes
2answers
863 views

Are OSM ids unique over all Object types?

Are OSM ids unique over all Object types? Means can a way-id occur as an relation-id or an node-id as way-id?
5
votes
2answers
2k views

Overpass XML query for finding all buildings inside a polygon

I want to run following Overpass QL query in order to get way IDs of all buildings inside a polyon: way(poly:"50.7 7.1 50.7 7.2 50.75 7.15")[building]; >; out ids; Since I'm using the osm-common ...
5
votes
1answer
742 views

How to interpolate polyline or line from points?

We have a lot of points, but with no timestamps to create ways. For now, I've created a sample of the way the points traverse. It's in here, this way can be compared with a Google one. I haven't ...
4
votes
3answers
452 views

Open Street Map: converting to country -> administrative unit -> city database

To moderators: If you think this question is too broad, please point me into right direction before closing, I'm desperately looking for help. I'm stuck on my task and I don't know what to do. The ...
4
votes
3answers
1k views

How to find out what features /tags are included in an .osm or .pbf file?

I would like to load osm data into a postgis (postgresql) database. In How to load OSM data into PostGIS preserving all Tags? there has been a solution posted: Download the OSM files (in .osm format)...
4
votes
1answer
2k views

OpenStreetMap tiles not loaded despite being received

While using OpenLayers to load OpenStreetMap, I observe that part of the map would sometimes be covered with blank pink tiles. I searched and found similar complaints with solutions suggesting the ...
3
votes
3answers
377 views

How to visualize the vertices of a graph in QGIS?

I tried to visualize the graph generated by osm2po and rendered that graph in qgis. Now what I am trying to do is plot the vertices in the graph. So that I can visually see where the nodes/vertices ...
3
votes
1answer
215 views

Correct order of nodes in Overpass query

I am struggling to get the correct order of nodes out of an Overpass query. I am aware of this similar question How do you get the nodes of an area in Overpass API in the "right" order? but ...
3
votes
1answer
605 views

Building Large Network Datasets from OpenStreetMap in ArcGIS?

I'm trying to build a "large" network dataset from OSM data in ArcGIS. Doing it all at once is taking a "long time" and seems like there is a big opportunity for it to fail at some point which would ...
3
votes
1answer
248 views

Generating polygons with streets as borders using QGIS?

I have searched online for almost a week and can not find an answer to my issue. I need to generate polygons from street borders in a given city. I have downloaded data from openstreetmaps and ...
3
votes
2answers
2k views

Can I use Google Maps API and substitute Openstreet map as base layer?

This Question is based on below requirements. 1 - our application will need to use functionalities of Google Maps API like custom marker/Info pop up/Routing etc. 2 - our application wants to use ...
3
votes
1answer
220 views

Tilemill reversing land and water at high zoom levels

I tried asking this over at MapBox's support forum and got no help. I am trying to generate a map of Northern france using Tilemill and this set of land polygon data from openstreetmapdata.com (the ...
3
votes
1answer
577 views

GeoWebCache seed task dies immediately after being submitted

The data comes from Geofabrik's Brazil slice: http://download.geofabrik.de/south-america/brazil.html Imported into a PostGIS DB with osm2pgsql. GeoServer is 2.4.0, running on latest Tomcat 7.0.x, on ...
3
votes
2answers
325 views

How to export a Shapefiles of an OpenStreetMap relation?

Given I have a relation such as this example. I have installed JOSM and QGIS as well as GDAL tools for the shell. I am aware of Overpass-Turbo. What is the best way to export geometry data from ...
3
votes
2answers
397 views

Incorrect display of national characters from Spatialite in QGIS, Windows

I used this tutorial by underdark (thanks much :-) ) to convert my area of interest from OSM file (whole Czech Republic downloaded from Geofabrik.de server). Used OSGEO4W shell (saying "GDAL 1.11.0, ...
2
votes
1answer
593 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 ...
2
votes
1answer
245 views

osm2pgsql Ways importing very slowly in .pbf, much slower than .osm

I'm currently importing the planet-latest.osm.pbf file I downloaded from ftp://ftp.spline.de/pub/openstreetmap/pbf/planet-latest.osm.pbf some time last week. I'm importing it using the following ...
2
votes
1answer
72 views

OpenStreetMap heavily pixellated when loaded in QGIS and standalone application

I am loading an OSM street map into an application I am building. I load it as a raster layer via an XML document with the OSM GDAL data. My problem is that the map appears heavily mangled and ...
2
votes
1answer
200 views

How to create high quality map with QGIS and Stamen tiles

I'm wanting to create a simple but high quality map in QGIS with two minimal vector layers and Stamen's landscape tiles as a basemap. When viewing my map in the QGIS print composer everything looks ...
2
votes
2answers
81 views

How can I programmatically identify missing sidewalks in OpenStreetMap data?

I have a web map that is using the pedestrian routing from Mapbox's directions API. However, users have seen very long circuitous paths in certain locations because it appears that sidewalks (and/or ...
2
votes
1answer
249 views

Loading tile zoom level 20

I have local tile also 20 level. I found out that OSM tile level 20 don't loading. map code: map = new ol.Map({ target:'map', renderer:'canvas', view: new ol.View({ projection: 'EPSG:3857', ...
2
votes
2answers
497 views

Tiled raster image to be placed in an OSM/ Leaflet.js map

I have a mapoverlay in a custom projection which I need to add as a layer to an Openstreet map within a website. Since I was not able to change the projection earlier, I decided to manipulate the ...
2
votes
1answer
289 views

How to label a selection of an OSM layer depending on certain tags?

I just imported original OSM data to export a pdf-map by assigning graphic attributes to the features I need. The label tool in QGIS 1.8 allows to select certain features, like I can do with the ...
2
votes
1answer
377 views

Can we use existing planet database for Nominatim

i have imported data from the OSM to PGSQL using osm2pgsql for generating tiles, and now i need to add Nominatim support also, this Nominatim requires the same OSM data. can we use the existing ...
2
votes
2answers
223 views

Converting Mapserver default URL to a more user friendly version

I use the default MapServer URL to view the map in browser. http://localhost/cgi-bin/mapserv?map=/home/mwh/osm-demo/basemaps/osm-google.map&mode=browse&template=openlayers&layers=all ...
2
votes
0answers
338 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
votes
1answer
176 views

Why is osm road data showing up with lines radiating from a point?

My openstreetmap data has artifacts that I can't seem to get rid of. It is showing the roads underneath the artifacts so I know that the query is working at least partially. The data is from ...
2
votes
1answer
391 views

Lost relation when importing from OSM to PostgreSQL with ogr2ogr

I am currently trying to import all administrative boundaries (countries, states, cities, etc) from OSM. I downloaded a small file from Geofabrik (Corsica), in order to run my tests. I understand ...
2
votes
3answers
242 views

An Overpass query for OSM ways; both part of a relation and also a specific tag?

How do I construct an Overpass query to find data on Openstreetmap which is both part of a relation and has itself a specific attribute? Specifically: I'm wanting to find sections of cycle route (in ...
1
vote
1answer
35 views

R and osmar : the doc's example does not work for me, “Opening and ending tag mismatch”

I can't make osmar work anymore. I tried to reproduce the documentation's example, and even that produces a very long error code. I could not find the same error anywhere. Any idea ? The code is : ...
1
vote
1answer
80 views

Orphan road segments

I am working with OSM road data for a developing nation. Included in the dataset are various small networks of roads that are orphans or islands i.e. not connected to the main road network. For ...
1
vote
2answers
339 views

finding administrative boundaries in Guinea using OSM

I am trying to map the quartiers (neighborhoods) in the city of Conakry, Guinea. As far as I can find, OMS contains information on the location of each quartier, and displays this with a point in ...
1
vote
3answers
2k views

Load external tileJSON file in Mapbox

I have tiles generated by Maperitive from an OSM file, and there's a nice tiles.json generated with them which specifies neatly the tiles-path, bounding box, minzoom, maxzoom, center, etc. The format ...
1
vote
1answer
253 views

CartoCSS Expression for shield-name

Is there any way to use a regular expression to filter a string when using CartoCSS expressions? I have geojson of some ways and route relations I obtained using Overpass Turbo. When creating a new ...
1
vote
1answer
319 views

PostGis - BBox -vs- ST_intersects Queries

CartoDb Recommend here that the following query is faster than an St_intersects Query SELECT * FROM {table_name} WHERE the_geom && ST_SetSRID(ST_MakeBox2D(ST_Point(-73.9980, 40.726), ST_Point(...
1
vote
2answers
774 views

View Waypoints in OSM

I have a GPX file with my waypoints. <?xml version="1.0" encoding="UTF-8"?> <gpx version="1.0"> <name>My Favorites</name> <wpt lat="-26.7183013" lon="-54.8139346"&...
1
vote
1answer
949 views

Is Cloudmade still updating OSM data downloads?

I sent this question to Cloudmade but unfortunately they never responded. Hopefully someone here knows something about how they work. They provide an OSM download for the Americas which I am using in ...
1
vote
2answers
259 views

How can I import open street map power grid data into QGIS?

I wanted to download power grid network of Cologne city from following url http://www.flosm.de/en/Power-Grid.html But I could only download in jpg format. I wanted to import this in GIS as vector (*....