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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2
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1answer
92 views

How to get the coastline from OSM?

I've successfully imported all data for Sweden to my PostGIS database. Right now I'm designing my map in Tilemill with OSM Bright as base. But I've got a major problem: where is the coastline? Right ...
2
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1answer
77 views

purpose of maxExtent?

I am starting with maps but im a beginner. The answer is probably easy, but i could not find it anywhere. I cannot figure out why to use maxExtent. If I delete it from my application, its behavior ...
1
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2answers
122 views

imposm: Failing to import OSM data to PostgreSQL

Somehow I can't import OSM data to my database. I'm using Debian, PostgreSQL 9.1 and PostGIS 1.5. The user root has been granted all privileges for the database osm. Input: imposm -U root -d osm -m ...
1
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2answers
55 views

How to convert OSM data to a projected Coordinate system

What is the easiest way to get OSM data into a shapefile projected data format for QGIS? Sounds simple but I've run into problems with this before.
1
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1answer
79 views

OpenLayers OSM layer

I need to define an layer in OpenLayers just showing world map. The most simpliest variant is to create OSM layer. When I do like this: var layer = new OpenLayers.Layer.OSM("OSM"); ...
1
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1answer
187 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
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2answers
59 views

How to make corners of openlayers with OSM map rounded?

I'm trying to apply style with border-radius:XXpx to my openlayers map: map = new OpenLayers.Map(name) map.addLayer(new OpenLayers.Layer.OSM()) But rounded corners are hidden by tiles of the map: ...
1
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1answer
172 views

Multiple response from nominatim service call (Geocoding) in openstreetMap

I am using OpenStreeMap with Google as layer, and for geocoding , nominatim service. Below, is my code. $.ajax({ url: "http://nominatim.openstreetmap.org/search?q=" + address + ...
1
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2answers
71 views

osm2pgrouting hangs on “classes table created”

I'm trying to run osm2pgrouting and on Ubuntu 12.04...everything looks like it's working until it gets to "classes table created" when it just stops. I'm watching the process with the system monitor ...
0
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1answer
51 views

Is there a way to run your own OpenLS using OSM data?

I'm looking to create my own geocoding service for a client. The web application will run on intranet and won't have access to the internet. Is there a way I can run OpenLS like service of geocoding ...
2
votes
1answer
66 views

How often are MapQuest tiles updated with new OSM data?

When users make edits to OpenStreetMap, how long does it generally take for those edits to show up in the MapQuest tiles? Is this on the order of hours, days, or months?
1
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0answers
75 views

GeoDjango / PostGIS - Cut geometry by bounding box

I am looking for a solution to retrieve the geometry(ies) from a polygon/multipolygon within a bounding box in a GeoDjango application. The application I am developing has a requirement to serve out ...
0
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2answers
79 views

error while loading osm2po routing sql-script into PostgreSQL

please advice what could be wrong in my situation: I succesfully generated sql-file using osm2po I tried to run it within PostgreSQL and got the following error: ********** Error ********** ERROR: ...
1
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1answer
65 views

ROAD COORDINATES Data (CARDIFF)

Does anyone know how to get road coordinates data from openstreetmaps? I know its possible I just don't know how. Thank you!!
2
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0answers
114 views

Geoserver, PostGIS and KML: Creating clickable nodes from OSM data

I have a PostGIS database that has OSM data imported into it using osm2pgsql and I'm using GeoServer to plot the points into a networked KML file for Google Earth. What I'd like to do is make the ...
1
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0answers
12 views

How to access the timestamp value from Overpass meta requests with Openlayers.Format.OSM?

I am using Overpass-api to request data, then display it in an interactive webpage using Openlayers. When user clicks on some feature, the information is shown in popup. As of now, the page is ...
2
votes
1answer
185 views

select two markers & draw line between them in leaflet

I am very much new to leaflet. I have multiple markers plotted on my map in leaflet. now I have to draw line between two markers when I select them. Can any one help in doing this.
1
vote
1answer
104 views

How to request a limited no of features in Overpass api?

I am using Overpass api to query Building data from OpenStreetMap. the query string is like this (way[building](bbox);node(w););out body; This works really fine (the bounding box is specified by ...
1
vote
1answer
89 views

How to reproject this vector layer?

I have a dxf file and use this tool to convert it to shapefile. Then I apply some affine transformations and get a shapefile that does not fit the shapefiles downloaded from osm (EPSG:4326). I know ...
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0answers
42 views

Missing multipolygon after ImpOSM import to PostGIS

I've been testing ImpOSM 2.5.0 with an extract of Washington State (in the U.S.) and am very impressed with the overall result. However, I noticed that fairly prominent lake was missing from the ...
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0answers
17 views

How to remove coastlines from Admin 0 data set using GRASS?

I have a set of international borders that I would like to overlay on top of a different data layer that represents coastlines ("land" essentially). I would like to convert my Admin 0 polygons into ...
0
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1answer
111 views

Way to add 1km x 1km UTM grid onto online map service

Is there any exist services or way to add 1km x 1km UTM grid onto online map service such as Google Maps or OpenStreetMap?
7
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5answers
486 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 ...
0
votes
1answer
77 views

How to properly use PostGIS with Maps

First time using PostGIS in an app. Target: - Get Heat Map of customers from address table using leaflet.js and heatmap.js Have DB called store_dev. Installed OSM Bright from Mapbox in it. Have a ...
1
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2answers
63 views

QGIS Holux gpx file doesn´t show up

I´ve got a problem with displaying the imported gpx file. The gpx file is created in Holux Funtrek 130 PRo. The map I use is from Openstreetmap, I am sure it is the right map from the location I ...
3
votes
2answers
284 views

Qgis OpenStreetMap plugin misbehaviour

I used the plugin successfully. But yesterday, after changing several buildings in JOSM. Import under qgis with the plugin does not work anymore. The buildings are in the layer point! Do you have any ...
1
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2answers
161 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 ...
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2answers
136 views

Downloading vector latlong boundary data of India's Telecom circles from Open street map?

I recently came across a couple of really useful sites for downloading vector latlong boundary data for free converts entered address into lat/long coordinates (has a batch mode): ...
5
votes
1answer
115 views

How do I georeference a ski map?

I have a map of a mountainous landscape, http://skimap.org/data/989/60/1218033025.jpg. It contains a number of known points, the lat-longs of which can be easily found out using google maps. I wish ...
2
votes
1answer
157 views

Updating routing graph based on GIS changes in DB

I am using Osm2PO for route finding which reads a graph file created from a pbf file downloaded from OpenStreetMap. I have my own GIS database where updates may be applied to the data. I would like ...
0
votes
1answer
87 views

How are the speed limits set in osm2po?

Using osm2po I found a problem. In the configuration file "osm2po.config" I can set the various values ​​of speed limits for each road type but for example for this type of street ...
1
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2answers
133 views

converted SHP to geoJSON - how to put this on OSM map?

I'm a beginner at this. I converted a shapefile to a .js file but I am having trouble adding this data to a map using leaflet. The osmscarb.js: var osmscarb = { "type": "FeatureCollection", ...
1
vote
2answers
51 views

Showing OpenStreetMap intersections in ArcMap

I'm trying to carry out a few tests on OpenStreetMap data to test its quality, using ArcGIS. One of the things I'd like to investigate involves checking that all road intersections are represented by ...
3
votes
3answers
399 views

How do I apply Dijkstra's algorithm in Python with PostGIS data?

I have currently parsed OSM data, from a PBF file, into a pgRouting database with the use of osm2po, an excellent parsing tool. I don't however want to use the algorithms provided by pgRouting and ...
1
vote
0answers
53 views

django + apache mod_tile

I'm not sure if I'm doing this right and I need your opinion on this current situation. I'm creating a Web Interface using django and postgres as the database. With regards to the slippy map, I went ...
0
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0answers
48 views

Why does DC belong to Maryland in OpenStreetMap/Nominatim?

Don't know much about GIS. Is it common practice to consider DC part of Maryland and not a "state"? http://nominatim.openstreetmap.org/search/washington%20dc ...
0
votes
1answer
113 views

How to query osm data served by geoserver?

We have a specific point and would like to count all features in a circular area with center at that specific point. The data is: - Stored in a shapefile layer created in QGIS - Served by geoserver - ...
0
votes
1answer
28 views

pgRouting one way segment direction

How can one acquire information about direction of a one way road from OpenStreetMap data converted to a postresql database with osm2pgrouting?
0
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0answers
115 views

Editing a MultiPolygon in Geo Django admin Google Maps vs Open Street Maps

I have a website where we currently edit MultiPolygonFields in the Django admin using GoogleMaps V2 rather than the default OSM Open Street Maps layer. V2 is getting shut down soon in May 2013 and ...
0
votes
1answer
216 views

Convert Lat/Lon to Pixel-XY on cropped map

I've got a little problem. I have a GPX-Track containing LatLon coordinates based on WGS84. The track should be drawn on a cropped map, and for this, I need the pixel coordinates. The map tiles are ...
2
votes
1answer
99 views

Open source software for car navigation on iOS platform

I'm trying to make a car offline navigation app for iOS. Now I analyze OpenStreetMap features what to use. I would like to know if there is open source solution for the following parts of app: best ...
1
vote
1answer
98 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 ...
2
votes
1answer
247 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
1answer
66 views

Steps to update OpenStreetMap back and forth?

I have both a PostGIS database with OSM data imported, and the same data in a SHP folder. By adding missing information to the downloaded OSM data, both in SHP and PostGIS, I'd be able to contribute ...
5
votes
1answer
112 views

What tool do I need to have satellite background images to draw features of a postgis database?

What tool do I need to have satellite background images to draw features of a postgis database? I looked about Geomajas but seems very complex for what I'm trying to do. I have osm data imported in ...
3
votes
1answer
94 views

How to filter layer of osm data?

I have a table osm_roads that has a column named geometry geometry geometry(LineString,900913). If I want to filter a city to draw districts, I cannot do it by geographic coordinates? What if in ...
3
votes
1answer
104 views

let user add his location on interactive map

I would like to know if it is possible to create an interactive map where the user will be allowed to add their own location to the map (I would use OSM as the basemap) and then calculate the distance ...
2
votes
1answer
169 views

Clustering not working on features in OpenLayers

I've built a mapping solution using OpenLayers that works well except I can't get the points to cluster. I've looked at the examples on the site, and I've even implemented those examples in my ...
1
vote
2answers
188 views

Turn-by-turn direction using PgRouting

How can I generate turn-by-turn directions using PgRouting? At the moment, I have a web-page where a user can enter and start/end location and a route is generated on a map (using PgRouting and ...
4
votes
2answers
1k 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 ...

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