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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5answers
749 views

How to reconcile UTF encoding for OpenStreetMap

I frankly am a bit confused when I am working outside the United States so please excuse my ignorance. I downloaded some shapefiles for Moldova (MoldovaData) and had a question regarding the encoding ...
2
votes
2answers
46 views

OSM digitizing road map by shapefile

I have shapefile with roads. I want to digitize some of the objects in shapefile to OSM, because I allways use OSM shapefiles and I have something to give to. What software should I use? I have JOSM ...
2
votes
2answers
321 views

Do you know a service route calculation to get a route between several points?

I need a routing service with an API callable from a web or desktop application. I have several points: a start, an end, and intermediate points in the disorder. I expect the routing service to send ...
2
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2answers
84 views

Tool for adding buildings to OpenStreetMaps by tracing their countours on satellite maps

There is an OSM map of some city, in which several buildings are missing (see the OSM map and the Yandex map of the same place below - there are lots of spaces, which look empty in the OSM map, but ...
2
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2answers
534 views

Shapefiles *.dbf data, encoding problem

I have to work with the Shapefiles, and all is fine except data in *.dbf When I have first deserialized file, I have thought, that I'm doing smth wrong, but when any soft like (QGIS, SAGA, ESRI ...
2
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4answers
766 views

How to get street names from OpenStreetMap?

I have some SHP layers that contain some streets and buildings data, and i'm showing it with openLayers (by GeoServer). they are not contain the names of the streets or the numbers of the buildings. ...
2
votes
1answer
279 views

Find nearest neighbours faster in PostGIS

I currently have a query that calculates the number of useful amenities within a certain radius of each town, using OSM data: create table places as select town.name, place, town.way, ( select ...
2
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2answers
544 views

What can go wrong in UTM to WGS1984 conversion (shifted data)

I try to convert .shp files to OSM data with shp2osm and ogr2osm but the output data is shifted. Semi-Cross-Posting Warning: I have already asked a questions on the OSM help site, but this questions ...
2
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3answers
5k views

Can OpenStreetMap be used as a WMS service in MapServer?

I want to produce a png image that uses OpenStreetMap data and has a vector overlaid on the base data. I am able to produce the vector overlay from within Mapserver, but I have difficulty ...
2
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3answers
1k views

Optimizing OSM tiles download

Disclaimer: I don't know anything about maps, please excuse me. In our mobile app, we use Cloudmade as our map tiles provider. For certain places, we download multiple tiles for each zoom level ...
2
votes
2answers
720 views

How to render a multi-layered (raster + vector) map to a file (PDF, SVG or JPEG, PNG)?

When using OpenLayers I can compose a map with several layers which is displayed nicely by my browser, but I need to do the same server side (no browser composing the layers), and I'm waiting a image ...
2
votes
1answer
196 views

Simple GIS to Provide Urban Boundaries

I have an app built on top of Google Maps right now and everything works great. I want to add one feature that seems exceedingly difficult. On my site, I want users to be able to type "Boston, MA" or ...
2
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1answer
2k views

How to set polygon opacity on openlayers?

I have some prolems showing polygons in openlayer. I want to divide one city in areas. For the moment I have zona1 and zona2. I took lat and long from google maps so I think they are correct. My ...
2
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2answers
299 views

How OpenStreetMap data layer works?

OSM map has a data layer and an information panel. How is it implemented? What is a type of the layer and URL of vector data source? How information panel works? Thanks for all!
2
votes
1answer
1k views

Queries on virtual network in Spatialite only make errors

I've installed Spatialite 2.4 in Ubuntu. I try to convert an osm file into a roads network using this tutorial and make searches on it, but the queries only produce "no column" errors. $ ...
2
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2answers
174 views

Geographic maps in ArcMap

I have OSM data in SHP format inside ArcMap 10. But in ArcMap they are stretched a lot East-West compared to what I see at www.openstreetmap.org. How can I change it in ArcMap? I am not looking for ...
2
votes
1answer
37 views

How do I save as .osm in QGIS?

The directions in http://docs.qgis.org/2.2/en/docs/user_manual/osm/openstreetmap.html#saving-osm-data seem to have been written before the OSM plugin was merged into QGIS proper. I can locate no OSM ...
2
votes
1answer
56 views

scaling of results: the comparing of osm-files for a few days - a statistical approach

i am pretty new to Geographic-information Systems so do not bear with me if i ask newby questions: i am interested in gatherin information on schools Some days before i have heard that it is ...
2
votes
1answer
24 views

Using Scanaerial in JOSM?

I am trying to use Scanaerial in JOSM to locate water sources in my county. I was able to install all of the required Python modules and ExtTools and load the scanaerial plugin, but now when I run ...
2
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2answers
34 views

How to download only selected attributes using Overpass turbo?

does anyone know of a query to download select attributes using Overpass turbo? I am trying to download very granular road dataset for an entire country, but I only want a few columns. Thanks!
2
votes
2answers
103 views

Extract a PostGIS dump from OSM with a particular tag

I'm new to OpenStreetMap. I want to extract all restaurants from Switzerland with their capacity if available. I am using osmosis. I tried: osmosis --read-pbf file=switzerland.pbf --tf accept-nodes ...
2
votes
4answers
232 views

How to make a private OSM (Save personal information to) a map using OpenLayer or Tilemill or mapbox

OSM (OpenStreetMap) is great for making a real time public map for general purposes but what if I want to add private info to a map such as the location and date of my first kiss or a note about every ...
2
votes
3answers
184 views

How do I query highways with overpass turbo?

I want to use overpass to show major highways for a US city. How can I query that from overpass turbo? I tried the following code here and it returns tons of dots. I really want only lines showing ...
2
votes
1answer
71 views

OSM import: some features are missing

After importing OSM-Data to my qgis-project (as SpatiaLite database and/or shapefile-extract from planet.osm), some features are missing or have no attribute values. For example that lake: ...
2
votes
1answer
110 views

Axis of rendered shape files not showing numbers that are latitude and longitude

I am using rgdal to render some shape file. The first is a set of building zones from NYC Open Data. The second is the NYC coast line from OSM. The Zone files seems to generally render an X axis ...
2
votes
1answer
172 views

Retrieve geographic coordinates from OSM imported data

We have just finished importing OSM data into our PostGIS (Postgresql) database. And we are having difficulty understanding the geometry of various shapes imported. We run a query to retrieve the ...
2
votes
1answer
92 views

What is a reasonable time to get a gps fix with 10 meters precision?

I hope I'm asking this at the right part of Stack Exchange. Please bear with me if I'm wrong. I'm developing some gps based applications. The demands I have for precision are not very high, but I ...
2
votes
1answer
661 views

Problem with loading OSM planet into PostgreSQL

I try download OSM planet into PostgreSQL database. I do all steps from instruction http://switch2osm.org/serving-tiles/manually-building-a-tile-server-12-04/ I also modify string "kernel.shmmax" ...
2
votes
3answers
2k views

GDAL 1.10 ogr2ogr OSM “Unable to open datasource”

I have a problem with ogr2ogr and osm file. I install from source (on Ubuntu 12.04.2 LTS) newest GDAL libary and OGR still can't read osm files. gdal-config --version 1.10.0 ogr2ogr --version GDAL ...
2
votes
2answers
569 views

Converting OSM_ID to coordinates

I have downloaded some open street map data from Webgeo, but instead of coordinates it came with an "OSM_ID". I cannot seem to find any data dictionary or information about this variable on the web. ...
2
votes
1answer
296 views

Help building SQL query to get a list of streets of a city

From two layers in PostGIS (osm_places and osm_roads), I would need to have the roads belonging to a certain city. It would be fair enough to get the street names of all streets in a radius of X ...
2
votes
1answer
129 views

Why is osm road data showing up with lines radiating from a point?

My openstreetmap data has artifacts that I can't seem to get rid of. It is showing the roads underneath the artifacts so I know that the query is working at least partially. The data is from ...
2
votes
1answer
349 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: ...
2
votes
1answer
502 views

How to obtain road classification type at a point via nominatim?

This is my first time posting here so please forgive me if i ask a trivial question. Is there a way of obtaining the type of road an object is settled in from a request via nominatim? (i have the ...
2
votes
1answer
103 views

OSM license requirements

We are planning to jump in OSM sea and want to mix some of OSM layers with some of our layers afterword want to build an application which will perform common GIS tasks. Now here are my questions. ...
2
votes
1answer
417 views

How to add more than one xml file per layer

I'm using this code to add xml (osm relations) files to my map. osm_layer = new OpenLayers.Layer.GML("Polygon", relation.xml, { format: OpenLayers.Format.OSM, style: {strokeColor: "blue"}, ...
2
votes
1answer
101 views

How to tag schools in OpenStreetMap?

Hello and good evening dear GEO-friends, How can we tag schools? One problem is that they are based on large areas, and there are entrances and barriers. How can we handle footways or all the parts ...
2
votes
3answers
2k views

Starting a GIS project in java with OSM data

I am starting a new GIS project in Java. Till now, I used JTS and geotools to load shape files - these data were then displayed on a swing interface. For this new project, I would like to use OSM ...
2
votes
2answers
42 views

How do I find OSM way-id from latitude/longitude?

How do I find the way-id (in an OpenStreetMap), from the latitude-longitude combination? To give some context: I have loads of sensors that report pollution data (roughly) in the form: lat, long, ...
2
votes
1answer
27 views

Viewing map tiles generated from Maperitive in leaflet or openlayers

for few days i have been working on developing my own osm tile server. I tried it on linux as well as on windows, no complete success till now. I Have to make tile server on both windows and linux. ...
2
votes
1answer
30 views

Is there a way to identify features on OpenStreetMap.org?

Is there an identify features option for OpenStreetMap.org (OSM.org)? Stemming from this question: How to get shapefile of river from OpenStreetMap? I'm looking for the ability to use OSM.org to ...
2
votes
2answers
70 views

Why OSM data has different attribute values from the same element and same time frame?

Here is my question: Does anyone know why OSM has different attribute values from the same element and same frame time? The example explains itself, when I try the Shapefile from different mirrors ...
2
votes
1answer
57 views

OSM XML: Should I generate contact:phone or phone?

I am generating OSM XML data for all POIs of Wikivoyage, the collaborative travel guide. When I want to express a phone number, should I generate contact:phone or phone? Both mean the same thing. ...
2
votes
1answer
79 views

Miller cylindrical projection - central meridian

I'm new to projections topics and I've got a question that may be silly, but I hadn't found answer so far. I'm trying to use Miller's cylindrical projection for converting osm lat/lon to x,y values. ...
2
votes
1answer
174 views

Qgis OSM and layer projection problem

I am using QGIS 2.1.0, and trying to import my vector layer(parcels) with OpenStreetMap layer. My vector layer (parcels) use EPSG 31277 coordinate system. This is the definition for EPSG 31277: ...
2
votes
3answers
106 views

GeoWebCache: Is there a way to see cache size per zoom level?

I seeded a layer group (of data imported from OpenStreetMaps via osm2pgsql) from levels 0 to 15 (PNG; EPSG:900913), it completed successfully, and now I am seeding again only for levels 16 and 17. I ...
2
votes
1answer
206 views

Routing with osm2po - starting from middle of the street

I'm currently looking at using osm2po's java library to build a simple application that builds a shortest path between my favorite bars :) However, I'd like to start at any location, not at an ...
2
votes
1answer
297 views

Get coordinates of a building with geocoding

I want to get the coordinates of a building with geocoding. At the moment I use the GeoCoder class for android to get from the selected address the coordinates, but these are not corresponding to the ...
2
votes
2answers
528 views

Generating MapQuest Style tiles for offline use

I need to create about a 9-level deep SLIPPY map of the world from OSM data (for offline use). So I cannot use the MapQuest, CloudMade, etc. servers). The projection must be EPSG4326 (LL84) which is ...
2
votes
1answer
960 views

Manually building a tile server

I use this instruction http://switch2osm.org/serving-tiles/manually-building-a-tile-server-12-04/ I have the problem on the step "Starting your tileserver" sudo mkdir /var/run/renderd sudo chown ...