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.

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81
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3answers
65k views

EPSG 3857 or 4326 for GoogleMaps, OpenStreetMap and Leaflet

The discussion at What is the difference between WGS84 and EPSG4326? shows that 4326 is just the EPSG identifier of WGS84.. Wikipedia entries for Google Maps and OpenStreetMap shows that they both ...
55
votes
11answers
23k views

Creating drive time polygons using Open Source tools?

Is anyone using open source tools and/or data to generate drive time polygons that radiate out from a given location? For example, I have used ESRI products like Network Analyst and Business Analyst ...
24
votes
4answers
35k views

How do I load OSM vector data in QGIS 2.x?

In QGIS 1.8 I used the openstreetmap plugin to request data from the server, or open a .osm XML file, which produced 3 layers (polygons, polylines and points) in QGIS. This was great (give or take the ...
36
votes
6answers
17k views

Downloading OpenStreetMap Data

Is there a straightforward way to download data from OpenStreetMap (OSM)? Using North America as an example, I realize Cloudmade (http://downloads.cloudmade.com/north_america) and geofabrik (http://...
7
votes
3answers
5k views

How to find a point half way between two other points?

I'm working on implementing the OSM Mobile Binary format for map data, and because it uses a 16 bit delta for each point along a way, it cannot represent a way if there is a large distance between two ...
13
votes
2answers
6k views

Is there a good qml or sld file available for QGIS + Openstreetmap data?

I'm looking for a qml file (or equivalent e.g. sld) to allow me to use QGIS to take Openstreetmap data and produce paper maps. I'm re-asking this question (it was asked once or twice over a couple of ...
9
votes
3answers
5k views

Shapefiles and OpenStreetMap data do not overlap in QGIS?

So I'm pretty new to GIS, and I'm working on a mapping project using data for Vancouver, Canada. I want to combine OpenStreetMap data along with data provided by the City of Vancouver. But the City ...
5
votes
3answers
3k views

How to make routable OSM map

I have some routable data for testing my pgRouting functions, and everything is fine. Now I have to download some more countries from OSM. I downloaded Germany shape files, but OSM maps are not ...
4
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3answers
4k 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 (http://www....
4
votes
3answers
2k views

How can I convert a set of ShapeFiles to an OSM file?

How can I convert a set of ShapeFiles to an OSM file?
29
votes
12answers
19k views

How would I draw and visualize custom maps based on OSM data?

I would like to be able to use openstreetmap data for a specific region as a source and "draw" from that the map of infrastructure improvements - mostly roads. I want it to be self-hosted (not ...
16
votes
5answers
4k views

Standard SLDs for OpenStreetMaps?

We have downloaded OSM data for our region and loaded them into PostGIS using osm2pgsql. So far so good. On top we have GeoServer and we would like to expose the OSM data using WMS. We would as well ...
17
votes
3answers
1k views

Where to get street data in an importable format?

I don't want to use WMS layers, but to actually store the data in my local server, where can I find street data from the world?
7
votes
2answers
4k views

How is EPSG:4326 data 'projected' in a 2D map?

I like to think I'm relatively well-versed in datums, projections, and coordinate reference systems, so if this is a stupid question I will suffer eternal shame. OpenStreetMap data is stored in WGS84 ...
5
votes
3answers
5k views

How to get shapefile of river from OpenStreetMap?

I dont want to download whole map of an area. I just want rivers and other waterbodies present in an area in shapefiles so that I can use them in Qgis. I tried geofabrik but it is giving whole map and ...
6
votes
1answer
3k views

Understanding the difference between coordinates projection in OSM and Google Maps

I'm looking at the coordinate differences between Google Maps and OSM. I'm a noob in the technicality behind GIS. Having read: EPSG 3857 or 4326 for GoogleMaps, OpenStreetMap and Leaflet How to ...
0
votes
2answers
2k views

PGROuting 2 : Getting nearest node to a given point (with lat - long given)

I have a point whose latitude and longitude (only) are known, and a table of nodes with their geom. I want to find the closest node in the table to the given point. I think I can achieve this with ...
15
votes
2answers
2k views

How to overcome field truncation when converting OSM to shapefile with QGIS?

I am trying to convert an OpenStreetMap file into a shapefile, but I am having problems with the "tags" field being cut-off after 80 characters. With QGIS 1.4, I use the OpenStreetMap plugin to 'Load ...
0
votes
1answer
334 views

Does OSM data contain the direction of travel?

I was looking for Direction of Travel (DOT) information inside OpenStreetMap shapefiles, but only I've just found "ONEWAY = 1 or 0", but nothing about its direction. If I work on an OSM editor, I can ...
1
vote
1answer
2k views

Availability of MXD file for OpenStreetMap data in Esri Geodatabase?

From what I understand, an ArcGIS mxd file contains the "styling" information on how to show data. I downloaded and imported OpenStreetMap data into my geodatabase. Now I need to show them. Is there ...
1
vote
2answers
2k views

How to clip an Openlayers OSM Background to a Vector Boundary?

I'm new to QGIS. In my project i have two layers: one is my vector (city boundaries) and the other is the OSM (obtained with the plugin). How can I cut the OSM along the edges of the vector? I want to ...
19
votes
7answers
7k views

Are there open access terrain tiles with a permissive license like OSM?

Are there open access terrain pyramidal map tiles with a permissive usage license like OpenStreetMap's? I'm building aviation-related maps with Polymaps and need a good raster basemap. The Google ...
17
votes
2answers
18k views

How to Add OSM Layer to QGIS

How can i add OSM layer in QGIS? The help says there is an OSM plugin i can use. But i don't see it the list of plugins. Or maybe there is a WMS URL for OSM i can use? QGIS version 1.7.0-...
12
votes
5answers
1k views

Quality of free geodata compared to commercial sources

What are the sources of excellent geo-location data as possessed by Google Maps ? I am wondering that, even with large amount of volunteer work involved, why is OSM data not comparable to theirs in ...
10
votes
1answer
3k views

Reverse Geocoding Libraries

I'm new to GIS and mapping services. Can anyone tell me what my options are for reverse-geocoding libraries, other than nominatim? I'm most likely going to be working with OpenStreetMap data. So I'...
8
votes
1answer
2k views

Open source tool for point/node conflation/matching?

The Question Are there any open source tools for conflating (matching) two layers of point (node) data? Motivation I'm particularly interested in using such a tool to sync data with OpenStreetMap, ...
27
votes
3answers
2k views

OpenStreetMap content in commercial applications

I was considering the use of the OpenStreetMap API to retrieve vector features and combine them with other source data through a commercial tool. However, OpenStreetMap uses the Creative Commons ...
4
votes
1answer
2k 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 ...
2
votes
3answers
3k views

Render vectors from OSM data in POSTGIS database

I'm a newbie when it comes to mapping application. I had successfully loaded my OpenstreetMap data in a Postgresql/PostGIS database. Now my problem is how to render the vector data (the POI's, ways, ...
4
votes
1answer
2k 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, postgresql-9.1.9-1-windows-x64.exe,...
2
votes
2answers
4k views

What Spatial Reference System do I store Google Map's Lat/Lng in

I am new to PostGIS, Spatial Reference Systems and projections and want to store lat/lng coordinates retrieved from Google Maps and Openstreetmap and its services like the Geocoder/Nominatim. I'm ...
2
votes
2answers
4k views

Update database via osmosis and osm2pgsql too slow

I got a box with the current hardware config: CPU: Intel Xeon E3-1220 V2 3.1 GHz RAM: 10gb Hard Disk: Western Digital WD10EZRX SATA Hard Drive OS: Centos 6.5 64 bit DB: PostgreSQL 9.3.2 and ...
1
vote
2answers
264 views

How to use union in area queries (QL/XML) with Overpass API/OpenStreetMaps?

I am using area queries to find nodes with particular amenities Eg:- [out:json]; area[name = "New York"]; node(area)[amenity=bar]; out; However the issue with this is that if I query the ...
5
votes
1answer
1k views

Split edges at intersections in PostGIS

I'm attempting to do a walking distance analysis using OpenStreetMap data (osm2pgrouting) and PostGIS and following underdark's blog posts, however I need to exclude residential and service roads that ...
4
votes
2answers
2k views

Importing OSM Data into MongoDB?

Can any one tell me how to import OSM data in mongoDB step by step ? This is the link of data http://download.geofabrik.de/europe/germany/baden-wuerttemberg/karlsruhe-regbez.html https://gis....
4
votes
2answers
7k 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 ...
2
votes
2answers
1k views

Can't open Spatialite db from openstreetmap in Quantum GIS

I am new to QGIS, OpenStreetmap and Spatialite. I'm trying to get the (OSM) map data into a (SQLite) compact form I can eventually use for realtime reverse geocoding in a vehicle. Quantum is just for ...
1
vote
2answers
249 views

How to convert Direction Of Travel OSM vectors from a “system” to another?

I have a painful doubt according Direction of Travel (DOT) vectors in OSM data. I'm using ArcGIS10, and a OSM data shapefile. I have a OSM road layer, that has many "Both ways" vectors and many "One ...
0
votes
1answer
1k views

r openproj to plot in open street map in a different projection

I am very new to geographic data, so I am sorry for the stupidity of the question. I need to plot some data that are in this projection EUREF_FIN_TM35FIN Projection: Transverse_Mercator ...
5
votes
1answer
881 views

Using local OpenStreetMap (*.OSM) map with Openlayers 3?

What do I need to load a .OSM map in a client side javascript app? (Imagine an offline webapp).
4
votes
1answer
397 views

Day and night zone layer for Leaflet

I'm working with Leaflet and I'd like to show the day and night zones adding a dynamic layer to my map. I was thinking to add a static layer with some transparency and make it move every x minutes but ...
3
votes
1answer
515 views

Problems printing OpenLayers Pluggin Maps To Scale [duplicate]

It the print composer I can print all maps to scale and satisfactory. However, when I add the OpenLayer, usually Bing Aerial, to the project I cannot print it out to scale. I click the scale box, ...
3
votes
1answer
504 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 ...
3
votes
2answers
1k views

How do you get the nodes of an area in Overpass API in the “right” order?

I use the Overpass API to get the boundary of an OSM relation. I then use the result to display the boundary on a leaflet map. My problem is however, that the nodes are not in the "right order". ...
2
votes
1answer
552 views

How do I get the closest point on a road to a point when I have imported OSM data using osm2pgsql?

I have been trying to use OSM data to find the closest point to a road for a given point. I imported the OSM data into postgis using osm2pgsql, and I am getting results back, but they are at the ...
2
votes
1answer
390 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 ...
2
votes
1answer
126 views

Merge multiple bus stops with same name

my question is similar to this one, but it's not answered sufficiently: How to merge points (bus stops) in QGIS manually or programmatically? I have OSM-transit data with bus stops. Some stops have ...
2
votes
2answers
2k views

How to skip drag event to stop a feature being dragged

I am new to OpenLayers and I'm trying to drag markers and skip some markers from being dragged, I've tried dragFeature.deactivate(); it will deactivate entire features please help me. Please check ...
2
votes
4answers
778 views

PostGIS doesn't use spatial index with ST_Intersects

I imported the data from openstreetmap using osm2pgsql and copied it another table structure. If I made a query for containing rows using st_intersects, st_contain or someone else, postgis don't use ...
1
vote
0answers
114 views

osm2pgsql import fails with parse error [closed]

I'm attempting to import the 45GB (compressed) planet-latest.osm.bz2 file downloaded from ftp://ftp.spline.de/pub/openstreetmap/planet/planet-latest.osm.bz2 but I receive parsing errors. As of now I ...