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)

4
votes
2answers
347 views

Where does Open-Streetmap forest data come from?

If you open this url http://www.openstreetmap.org/?mlat=50.6524658203125&mlon=9.4482421875&zoom=13 you are in a forest in germany. I downloaded the complete Open-Streetmap Data for Germany. ...
4
votes
1answer
328 views

Improve database performance for geospatial

I have a database with osm data imported with osmosis tool. I want to search for the nearest POIs from a given point. For this purpose, I perform this query: select id from nodes where ...
4
votes
3answers
936 views

How to extract primary and secondary roads from OSM data?

After importing my country roads from OSM data, I need to create a network ( roads connecting big cities ) for use with pgRouting. For this, I need the green, blue and red ones ...
4
votes
3answers
405 views

More zoom in base layer in openlayer.

I have some GIS project to do, in this project I need to place something like 20,000 trees on a map. So I did a web app with .net that includes map that based on OpenLayers with bing base map. My ...
4
votes
1answer
146 views

Getting lane data from OSM

I want to extract road network data from OSM for a small city. From where can I get the lane information of any road in OSM. I tried exporting the data in the OSM XML format and there was no lane ...
4
votes
1answer
612 views

Open street map accuracy problem

I want to locate shops with open street map. For that I send a query to nominatim, a webservice which geocodes coordinates from addresses. I draw a marker at the returned coordinates, and it´s ...
4
votes
2answers
2k views

Create Fantasy Map

I'm currently looking to create a Fantasy map and share it with my friends. We have the map designed already in flash to certain degrees of detail and able to export as a vector. We'd like it to be ...
4
votes
3answers
336 views

OpenStreetMap data at different scales

Could anyone just clear up a question regarding openstreetmap data. Are there different OSM data sets for the various set scales, or do the data get generalized on-the-fly when the map is zoomed out ...
4
votes
1answer
1k 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 ...
4
votes
3answers
6k views

How to calculate the optimal zoom-level to display two or more points on a map

We want to display several markers on a static map and want to calculate the optimal zoom-level like Google Maps does. We already calculated the bounding rectangle and the centerpoint of the map but ...
4
votes
1answer
790 views

Does anyone display OpenStreetMap through MapServer, ArcGIS for Server or Geoserver?

I use Windows OS. The data (OpenStreetMap) are stored in a postgres/postgis database. How do I display this data correctly? Update: Now I use: geoserver-2.3.5.exe, ...
4
votes
1answer
209 views

Is there a best practices guide for adding bike infrastructure data to OSM?

Is there a best practices guide for adding bike infrastructure data to OSM? Not simply how to add a bike path, but a list of best practices for actually fleshing out sometimes disjointed bike ...
4
votes
1answer
2k views

How to display places names when using Quantum GIS and shapefiles?

I am new to the world of geo systems. What I would like to do is displaying some information on a map for given regions. I downloaded shape files from cloud made web site and load layers using ...
4
votes
1answer
539 views

How do i get country boundary and names to show up in postgis backed mapnik rendered map?

I followed this to setup postgis server with planet-latest.osm. I used generate_xml.py to generate stylesheets. Using this style sheet with mapnik produces a world map with no country boundaries or ...
4
votes
2answers
1k views

Cleaning up OpenStreetMap data, building polygons and trying to improve appearance

I'm currently going through my first project with OpenStreetMap data and I'm struggling to see how certain features can be made to look anywhere near as good as in OpenStreetMap.org. I downloaded a ...
4
votes
1answer
2k views

Is there a method to create offline geocoder using OSM xml data?

I am trying to develop an offline android map that makes use of OSM map tiles of 15 zoom level, For this purpose i used an open source library : Osmdroid Now, i m looking into the possibility of ...
4
votes
1answer
1k views

How to “calculate” distance-to-ground of all 18 OSM zoom levels?

Assuming I'm building a 3D solution with the "world" being mapped to global geo-data supplied by OSM / Cloudmade... think http://www.webglearth.com but with completely different goals and use-cases. ...
4
votes
2answers
775 views

Using planet.bz2 with ArcGIS Editor for OSM, sync'ing changes

Overview: We are attempting to clean up and revise the OSM data of our County by comparing it to a more accurate (public domain licensed) street layer within the ArcGIS Editor for OpenStreetMap. ...
4
votes
4answers
502 views

Assessing OpenStreetMap coverage for international routing

I posted the following question on the main StackOverflow website, but was informed that I might get a better response here. Hence I'm copying it below. Note however, that I have an active bounty on ...
4
votes
1answer
78 views

Routing ensuring all areas are touched

I'm making a web application with leaflet and OSM. It's all going well, but now I need a little help. I'm searching for a good routing engine, that's capable of creating the most probably taken route ...
4
votes
1answer
90 views

Is there a public API that can be accessed with Python and will geocode Points of Interests?

I recently downloaded tagged hospital data from OpenStreetMaps.org using the API. Some of the data have a 'node' tag which are attributed with a lat/long while other data are tagged as 'way' format ...
4
votes
1answer
385 views

Download only country and city data from OSM

I want to download a list of all countries on this planet from OSM. Also, for selected countries, I would like to have states and cities. How can this easily be achieved? There must be an easier way ...
4
votes
1answer
153 views

OSM personal points of interest

I use OpenStreetMap along with OSMand on my mobile device. I have personal points of interest on my map that I do not want to upload to the community. Currently I use Favorites in OSMand to save ...
4
votes
1answer
1k views

How to use a sld file with Openlayers using OSM data?

My app, made with openlayers, displays building data called from overpass api. var data_url = "http://overpass-api.de/api/interpreter?data=(way[building](bbox);node(w););out body;"; //main working ...
4
votes
1answer
1k views

How to get bounding box from coordinates (latitude, longitude), zoom level and size (screen)?

Is possible to get bounding box from coordinates (latitude, longitude), zoom level and size (screen)? I found only calculating bounding box from tile. I need it, because OpenStreetMap accept only bbox ...
4
votes
1answer
96 views

Why are selected features not highlighted in OSM layers?

I am experienced with GIS, but new to QGIS and Opensource data. I recently opened an Open Street Map (osm) file in QGIS 1.8 (on Kubuntu 12.04). I found that when I selected a feature, there was no ...
4
votes
1answer
556 views

Is there a recipe for large shape files to be used in an Android App?

I am very new to GIS and I am diving into cartography and mapping because of an Android App that I am currently developing. I want to display environmental data, more precisely noise pollution data on ...
4
votes
2answers
840 views

Differences between OSM data and MapQuest OSM data?

I currently have an OSM "stack" server (Postgres/PostGIS, Mapnik, OpensLayers) working in a development environment, with almost all the South America countries loaded on the database. Since the ...
4
votes
1answer
587 views

Is there an open source tool for both road network analysis and geocoding?

Is there any one open source software package that can perform both road network analysis and geocoding?
4
votes
1answer
443 views

Using OSM data, pgRouting, and dummy data to develop an origin/destination travel matrix

Further to my previous question I was wondering if it is possible to add dummy node data without to do routing analysis. ISSUE I have a polygon layer that represents zonal attributes I created a ...
4
votes
2answers
366 views

Why is osm2pgrouting not importing?

I installed pgrouting successfully and did a little import with a 20Mb file. Works good! Now I'm trying to import a file with the size of a country and it doesn't even start to import. The last 2 ...
4
votes
1answer
154 views

Using openstreetmap data in ArcMap

I posted this on the OSM help page but it was suggested I try here instead: I'm new to OSM data and I'm using the ArcGIS editor for OpenStreetMap within ArcMap. The data downloads correctly but the ...
4
votes
1answer
828 views

How do I add Garmin .img files to QGIS?

I downloaded 10 .img files from garmin.openstreetmap.nl which are supposed to contain the topo tiles for the area I would like to add in qgis. I've been unable to find any instructions on how to use ...
4
votes
1answer
325 views

GPS tracking and Web mapping?

We are developing a tracking software and we are the stage where we test the reliability of our location stigma on the following web-maps Google Map Nokia HERE Open Street Map (OSM) We observe ...
4
votes
2answers
609 views

Vector Mapping for iOS?

Are there any vector map data providers with API's, that i can use to build my app on iOS natively (not on a webview). Specifically im looking for: For a library/framework that uses existing map ...
4
votes
1answer
3k views

Openlayers display a markers popup using a button out of the map

I have the following code which addes 3 markers to the map along with there popup boxes what I want to do is have a list of location at bottom of page and using the id of the marker when click a place ...
4
votes
1answer
652 views

USGS Topographic Map Online API

I am creating a website for a non-profit organization and would like to plot points on a map similar to this: http://www.arcgis.com/home/item.html?id=931d892ac7a843d7ba29d085e0433465 I am currently ...
4
votes
1answer
458 views

Problem processing OSM file with osm2pgsql

I have an OSM file and when I want to import it in my PostGIS base using osm2pgsql, I get the following error: Processing: Node(130k 8.7k/s) Way(0k 0.00k/s) Relation(0 0.00/s)Assertion failed: ...
4
votes
1answer
361 views

estimate travelling time for the route using pgRouting and OSM data

Could someone share with me some ideas or your experience how to estimate travelling time based on the provided route within pgRouting? The problem is that roads inside and outside cities have the ...
4
votes
1answer
85 views

Different ways to publish media-enhanced route/trail information to mobile users

I'm looking for some different approaches that a non-profit I'm helping could use to publish information about some tourism routes. Each route is 1-2 tracks, with some historical background ...
4
votes
2answers
4k views

How can I extract data from OSM which includes the street names?

I am exporting OSM data (in .osm) files to use in qGIS. I am interested in having the street names displayed. I know they are in the OSM data set because they are displayed when I browse the data ...
4
votes
1answer
2k views

Help importing osm data into spatialite

I am trying to import OSM data into Spatialite. The data is a query from overpass called features.osm I'm using spatialite 3.0, and following examples, I have created a new database with: $ ...
4
votes
2answers
666 views

How to display OSM relations in Openlayers with tags as legend?

I would like to show this type of relations in a simple map with Openlayers. http://www.openstreetmap.org/api/0.6/relation/1637735/full I'm specially interested in being able to show tags as legend. ...
4
votes
1answer
299 views

generate 1-18 simple worldmap with mapnik

I have postgresql with postgis and mapnik, I need to generate a tiled world map with only country contours and country name that are displayed at all zoom levels, no extra info. How can I do it ...
4
votes
0answers
132 views

Find and destroy duplicate OSM multipolygon/polygons in TileMill/PostGIS

In OpenStreetMap there are sometimes multipolygons where attributes are present on both the polygon and the multipolygon relation, such as the Grampians National Park: ...
4
votes
1answer
521 views

Extract BoundingBox of Cities

For simple geocoding purposes I want to extract all cities from a single country of openstreetmap. They only queries I want to do are: ZipCode -> (List of) BoundingBox of City/Village ...
4
votes
1answer
2k views

How to convert OSM relation xml data to shape file [closed]

I would like to transform the xml data here : http://wiki.openstreetmap.org/wiki/Berlin/Transportation into shape files or load into postGIS. I think the thing I am missing is how these xmls files, ...
3
votes
2answers
126 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?
3
votes
3answers
400 views

Why is sum of st_length() of segments 20% too big?

I'm running a query to return the total length of some bike paths, from OpenStreetMap. Compared to the known actual length of these paths, they're all a bit too big - something like 10-30%. I know it ...
3
votes
3answers
10k views

How to get the Lat, Long of a clicked location using Leaflet API?

I am using OSM with leaflet API. Now i want to get the lat and long of a clicked location. I meant something similar to this. ex: http://openlayers.org/dev/examples/click.html ...