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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7answers
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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 ...
29
votes
6answers
4k 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 ...
25
votes
9answers
7k 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 ...
25
votes
3answers
986 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 ...
21
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6answers
1k views
OpenStreetMap or Google Map Maker: where should I donate and volunteer my geographical knowledge?
I definitely know a lot about the places I visit and want to share it with everyone. I want to know if donating and volunteering at OpenStreetMap—which is where I have been helping—is a waste of time: ...
19
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5answers
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Optimizing osm2pgsql imports for OSM data
I'm currently building an instance on EC2 on which to import the entire Planet.osm snapshot of the whole Earth's worth of data for some projects we're working on. I've spun up a large Ubuntu x64 ...
17
votes
6answers
2k views
Creating a small web-mapping/map-tiling service
I am looking for a small-scale and easy way to present one or more polygon shapefiles online (on a municipal website without any existing map-server infrastructure, to be precise). Right now, I'm ...
16
votes
3answers
550 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?
16
votes
6answers
812 views
What's the most promising application (use) of OpenStreetMap data?
In some areas OSM data is very complete and has a level of detail not seen in closed data sources. Another distinguishing factor is that it contains the knowledge of the people who live in that areas. ...
14
votes
7answers
3k 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 ...
14
votes
2answers
624 views
How to detect roads from satellite images?
OpenStreetMap has announced a Bing API to detect roads. I want to know what is the theory behind road detection and if there is any open source tool that do that.
13
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2answers
1k 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 ...
11
votes
5answers
796 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 ...
11
votes
3answers
6k views
Creating a custom OpenStreetMap tile server
I'd like to create a map tile server based on the entire OSM planet database for a project I'm working on. I've worked with a couple of guides to try getting something up and running, but haven't ...
11
votes
4answers
1k views
Speeding up OpenStreetMap PostGIS querying
I have OpenStreetMap data for the Netherlands loaded into a PostGIS database (PostgreSQL 8.3 / PostGIS 1.3.3) using the osmosis schema. This means all tags are stored in a hstore field. In addition to ...
11
votes
5answers
2k 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 ...
11
votes
3answers
366 views
How to deal with versioning in OpenStreetMap?
The topic of managing geospatial data in a more general sense has come up before here. The topic of versioning was mentioned there as well, but not really dealt with.
Traditional geospatial data ...
9
votes
7answers
5k views
What GIS application can open and use .osm files?
A quick question that I don't see an answer to elsewhere: if I download a .osm dataset from Planet.osm (for example) which GIS applications could consume/display this data without translation?
For ...
9
votes
3answers
317 views
What's the best way to implement routing through areas such as parking lots?
I'm using OSM2PO to route for walking directions and I've noticed a lot of the OSM walking paths are not ideally setup.
For example there are many paths which get divided up by parking lots, which ...
9
votes
1answer
145 views
How to get the contributors on Open Street Map
I have put my osm file in base thanks to osm2pgsql and I am looking a way to get the contributor list. I have searched in my database and haven't found so much... and the osm wiki about the osm2pgsql ...
9
votes
3answers
357 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 ...
9
votes
4answers
602 views
Open Street Map and PostgreSQL what do I exactly need?
I make my first steps in the GIS world and everything is very new for me even if I work on a "huge" project (ie: for a single programmer) very related to maps.
My project needs to know informations ...
9
votes
1answer
433 views
Conflate (merge) private shapefile data with OSM data
Background
Downloaded Alberta OSM data from Geofabrik and have it running on a private Linux server using PostgreSQL 9.1, PostGIS 2.0, Mapnik 2.1.0, osm2pgsql, Apache 2, mod_tile, renderd, and ...
8
votes
4answers
2k views
Rendering custom OpenStreetMaps style (land=white, water=black): do I need a dedicated computer just to do this?
EDIT: My goal is NOT to use OpenStreetMap or cloudmade as a web map. I described exactly what I want ("a full, rasterized set of tiles for the entire world at zoom=10 (around 68 Gigapixels, ...
8
votes
5answers
296 views
Tools for (semi) automated woodland tracing from satelite images
I'm trying to draw woodlands in OpenStreetMap, using Yahoo sattelite images.
JOSM editor has some plugins that try to automate the process - you have to click inside the area and the plugin finds the ...
8
votes
4answers
268 views
Openstreetmap of a specific city of USA
I want to get the osm of a specific city of USA. I can only get the whole state now. But how can I get the osm data for a specific city.
8
votes
2answers
3k views
Cutting up a shape file into smaller parts
I've downloaded the 350MB coastline shape file from Openstreetmap, but I really would like to work with a small part of them, is there a way to generate a shapefile of a small area.
I'm using MacOSX ...
8
votes
2answers
1k views
How to convert OSM Data to PostgreSQL for Routing Purposes?
I'm creating a routing application using OpenStreetMap. Currently, my task is to convert the data from an OSM file to PostgreSQL.
I read about osm2pgsql, but the problem is it says there that ...
8
votes
3answers
2k views
Simple way to have an offline web based map?
My goal is to have a world map embedded in a web page, but without access to the internet. Preferrably only a set of tiles in combination with some slippy map js-lib. Storage space is not really an ...
8
votes
2answers
4k 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 ...
8
votes
1answer
318 views
Where are the address ranges in Open Street Map?
I recall coming across some OSM initiative that was proposing to put US address ranges in the data using TIGER (I think). However, I have seen no such ranges in any of the data I have looked at so ...
7
votes
5answers
514 views
Libraries to render vector-based maps in the browser
Is there a open source JavaScript library like leaflet or openlayer which can be used in a web or mobile application and loads vector-based maps instead of images? I only need the road information and ...
7
votes
2answers
442 views
How to generate an image from OSM on command line?
Is there a GNU/Linux command line tool that allows to generate an image file from OSM, preferably as an SVG?
7
votes
4answers
908 views
Data visualisation from OSM planet
In a similar idea to http://flowingdata.com/2010/05/25/world-atlas-of-flickr-geotaggers/ and http://flowingdata.com/2010/05/25/map-of-where-toursists-flock/ I would like to extract OSM planet data, ...
7
votes
1answer
949 views
What are the advantages of pgSQL+PostGIS+pgRouting over a simple MySQL+handwritten routing algorithms?
Goal:
To have a routable set of roads in a database and to have a software that can calculate the shortest path (e.g. simple Dijkstra) through this set in a reasonable amount of time (up to 2 ...
7
votes
2answers
531 views
What is the effective and legal way to get map tiles for the size of 2 or 3 states?
I would like to get map tiles possibly from Open Street Map (yes I am aware about tile usage policy and would not like to breach that) or other source for the purpose to serve it as offline maps to ...
7
votes
2answers
280 views
Does anybody know a service that exports OSM maps to georeferenced GeoTiff files?
Does anyone of you know if there is a service available for exporting OSM-maps in the Geo-Tiff format?
best regards
desputin
7
votes
3answers
354 views
How is raw OSM data processed for openstreetmap.org
Can anyone provide insight into how OSM data is processed or rendered for www.openstreetmap.org?
A specific example... I extracted data from a recent planet.osm PostGIS dataset for an area in ...
7
votes
1answer
2k views
OpenLayers with my own OSM data server
I've gone through the process of setting up my own OSM database / tile server by setting up PostGIS, importing the Planet.osm data snapshot (took a few days), and setup Mapnik / cascadenik, etc. I ...
7
votes
2answers
420 views
How do I rotate the OSM map before printing?
What is the simplest way to rotate and render Openstreetmap data, and still get a nice render? For example Toronto, would fit best rotated slightly on a page in landscape mode, so the northern ...
7
votes
3answers
157 views
Is there a paid service for accessing a PostGIS/OSM DB
I want to render a world map with mapnik and postgis, but do not want to set up my own DB, because the needed hardware and processing time for the OSM import make it nearly impossible for me. I just ...
6
votes
3answers
1k 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 ...
6
votes
3answers
580 views
Obtaining *rendered* OSM data
I'd like to produce a simple walking map with some points of interest. Ideally, I'd like to use the rendered OSM data, as you can get from the page. Using the QGIS OSM plugin, I can only download a ...
6
votes
4answers
3k views
How to build tile server from Openstreetmap data for beginner?
I am a beginner at GIS and I am developing a Java Application which needs a map. (The map would specifically be of just one city in the Philippines.) I have researched on different ways to do this and ...
6
votes
3answers
709 views
Large Open Street Map OSM file to Shapefile. Is there any hope for 32-bit FME?
I have a large OSM XML file (around 8 GB) that I was hoping to process in FME. I have a workbench that I previously used to process smaller files (500 MB) into feature type-specific Shapefiles (e.g. ...
6
votes
2answers
426 views
How do I download specific OpenStreetMap data by tag?
I'd like to write an iPhone app which uses OSM data to map canals. The data is tagged in OSM as canals, but I'm not entirely sure how to download it. Libraries like route-me don't seem to provide a ...
6
votes
3answers
1k views
How to load OSM data into PostGIS preserving all Tags?
I am new to the field of GIS and am trying to view source tags in OSM. I have downloaded the shapefiles from http://downloads.cloudmade.com and have loaded them into Postgres. When I view the data, I ...
6
votes
2answers
438 views
Can OpenStreetMap replace Google Earth?
I need to build a website which needs to perform the following tasks:
Display a web map with topographical details
On the map show a set of selected streets
When a street is selected show a set of ...
6
votes
2answers
578 views
What is the best way to extract the geometry of a road from OSM data?
What is the best way to extract the geometry of a road from OSM data? The goal is to display segments of highway that are closed due to weather. The weather data consists of positions (in KM measured ...
6
votes
2answers
882 views
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