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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3
votes
1answer
368 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?
2
votes
1answer
255 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
votes
2answers
340 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
vote
1answer
366 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!!
3
votes
1answer
261 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 ...
2
votes
1answer
89 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 ...
3
votes
1answer
3k 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
244 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 ...
2
votes
2answers
248 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 ...
1
vote
0answers
168 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 ...
2
votes
0answers
29 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
votes
1answer
637 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?
11
votes
5answers
9k 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 ...
-1
votes
1answer
272 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
vote
2answers
163 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
1answer
1k 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 ...
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
555 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
358 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
321 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
221 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
vote
2answers
296 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", ...
2
votes
2answers
167 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 ...
3
votes
3answers
1k 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
146 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
votes
0answers
87 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
290 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
89 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
votes
1answer
678 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
519 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
557 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 ...
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 ...
3
votes
1answer
102 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
418 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
330 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
253 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
694 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
639 views

Turn-by-turn direction using PgRouting [duplicate]

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 ...
56
votes
3answers
40k 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 ...
1
vote
0answers
106 views

How can I assign road names from OSM to gis linestrings using open source tools?

Starting with a shapefile of linestrings I want to assign street names to these lines if there is a match with a road/street in OpenStreetMap. There are no exact matches as the linestrings have a ...
4
votes
3answers
449 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 ...
0
votes
0answers
221 views

How to print/plot a city map from OSM data with tools like QGIS, GRASS, openJUMP?

The question is, once set up Geoserver and having all layers accesible, we need to print a portion of the city in a paper of size A0. When I wan to print a city, if I zoom to the city extent, I loose ...
5
votes
1answer
1k views

Where can I find High Quality Road Network Information

I am carrying out a research on how complex city road networks get and I need to get accurate map information. I started with openstreetmaps however I ran into a couple of issues: some of the dumps ...
1
vote
1answer
83 views

Column “osm_meta” in osm2po 4.6.9

What's the utility of *osm_meta* column in osm2po (Version: 4.6.9) generated data? Thanks in advance!
7
votes
2answers
1k views

Hosted nominatim services

Are there hosted nominatim services that can do all it's duties (particularly reverse-geocoding) all over the world? We have a high volume of lookups (we dont want to be throttled) but we want to ...
1
vote
1answer
231 views

How to get a larger map from OSM2GIS?

My title is more than understandable,but the explanation part is that when i try to take a part that is larger than a big city i get an explanation that is to big for "trim".I tried to get whole ...
1
vote
1answer
86 views

Add bunch of numbered locations?

To avoid carrying books and optimize things while traveling, I like to build a Google Map with sights and cafés/restaurants. I usually print it on paper or keep a PDF in my phone so that I don't pay ...
1
vote
1answer
72 views

Styling map elements based on their properties

I am currently generating tiles based on OSM data using Mapnik and Python and am quite happy using the XML styling but I am at a loss as to how to vary the styling on an element by element basis. I ...
6
votes
3answers
1k views

Raster to vector conversion

I have a bunch of raster maps from a general plan of a city. Examples: Areas reserved for federal, regional and municipal buildings Special land use zones Zoning Risks of occurrence of emergencies ...
2
votes
1answer
728 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: ...