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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40
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10answers
13k 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 ...
0
votes
1answer
44 views

Get postal codes of a city in OSM via postgis/postgresql

So, I'm trying to get the postal codes of a city (polygon). Unfortunately, I never get consistent results with my code: SELECT a.name, b.tags->'postal_code' FROM planet_osm_polygon a JOIN ...
0
votes
0answers
53 views

Does a road connect one grid cell to an adjacent grid cell?

So here is the problem I am working on. I have an OpenStreetMap roadmap which I overlaid with a 2-D cartesian grid. So for a given grid square, I want to find out if a road segment continues from the ...
2
votes
0answers
26 views

nominatim api for long streets

I'm using the Nominatim API in geojson method to retrieve streets poly line. For short streets I have no issue and the results are good. However for long streets the data I'm getting back in the ...
0
votes
2answers
45 views

using mod_tile in windows

I am trying to generate tiles on the fly in windows using mod_tile. I have followed the tutorial http://switch2osm.org/serving-tiles/manually-building-a-tile-server-14-04/ on ubuntu and successfully ...
1
vote
3answers
145 views

Load external tileJSON file in Mapbox

I have tiles generated by Maperitive from an OSM file, and there's a nice tiles.json generated with them which specifies neatly the tiles-path, bounding box, minzoom, maxzoom, center, etc. The format ...
5
votes
2answers
941 views

OpenLayers XYZ Unable to Load Local Tiles

I have some local tiles that were generated from OpenStreetMaps using Maperitive. I've tried going through the docs and tests but the map is not loading. I'm not getting any errors in chrome's js ...
0
votes
1answer
64 views

What can I do in Mapbox Studio with the osm_id number for #buildings from Mapbox Streets?

My goal is to use OpenStreetMap buildings data to create map tiles that show buildings styled with information such as name, floors, and other information from the tags associated with the way/feature ...
4
votes
2answers
177 views

How to filter and download OSM data by attribute tag?

Is there any online service that allows to download only one thematic layer of the OSM data for a specific geographic region? For example all objects related to vegetation (trees, grassland,...), but ...
1
vote
1answer
60 views

How to select a line from a osm shape by osm_id

I'm using TileMill to make a map, but I can't seem to be able to format a specific item with a specific osm_id via mss. I have a shape file added as a layer #line: Then, in the features list of ...
2
votes
1answer
39 views

Overpass (command line): how to view the results on a map?

I've tried to play with Overpass from command line because I've to do a query quite "expensive" that Overpass Turbo can't to do My issue is about to download all the addresses in Italy Here you are ...
1
vote
2answers
51 views

How can I add another WHERE filter to a PostGIS query?

I have this query, which works well, for an OSM database: SELECT row_to_json(fc) FROM ( SELECT ST_AsGeoJSON(ST_Transform(ST_Intersection(lg.geometry, bbox.geom), 4326))::json As geometry, ( ...
0
votes
1answer
47 views

Open Street Map and Arcgis 10.1 Network Analyzer

how to make roads in open_street_map ready for network_analyze in Arcgis-10.1 Details: I'v download an osm map of my town I saved the street lines as polyline shapefile I opend them in arcgis-10.1 I ...
1
vote
0answers
19 views

OpenStreetMap Nominatim Underscore Amenities Not Working

I'm trying to locate the drinking_water amenity in Nominatim to no avail. When I run the following query: ...
3
votes
2answers
63 views

Create smaller OSM with only basic zoom levels data from larger OSM file

From a large .osm/.o5m file (for India), I only want to extract the data that would actually show up when one is looking from zoom levels 1/0 through 8 (which is quite zoomed out.. only major cities, ...
2
votes
1answer
74 views

ST_INTERSECT of each element of two tables (polygons, lines)

Im new to postgis and trying to solve the following problem: I have two tables: 1. containing polygons 2. containing lines I need to find out the id of all polygons on each line and fill them in new ...
1
vote
2answers
68 views

PostGIS SQL syntax for bounding box

I have the following query: SELECT row_to_json(fc) FROM ( SELECT ST_AsGeoJSON(lg.geometry)::json As geometry, ( select row_to_json(t) from ( ...
0
votes
0answers
47 views

Loading minimap in Leaflet

I use this for loading google basemaps https://gist.github.com/crofty/2197042#file-leaflet-google-js , this to switch basemaps https://github.com/ismyrnow/Leaflet.groupedlayercontrol and this as ...
3
votes
3answers
899 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 ...
1
vote
1answer
27 views

QGIS explode line function fails with OSM file

I am exporting a small extract from OSM. I load the lines(layer 1) into QGIS and apply the function Explode lines. I get the error: Algorithm Explode lines starting... __len__() should return >= 0 ...
0
votes
1answer
40 views

Search for untagged ways in overpass-turbo

Is there a way to search for untagged ways that are not part of a multi-polygon relation using overpass-turbo.eu? I am trying to locate all ways in my county that were not tagged (i.e. untagged ...
1
vote
1answer
30 views

OSM iD editor WMS support

i want to use my WMS layer as a background in OSM iD editor. I know it works in JOSM but i couldn't figure it out in iD editor.Any one knows how to do this?
3
votes
3answers
87 views

Rendering local osm files android dev

I'm development an android app for navigate inside the university campus, it's my graduation project :). I did the campus map with Josm, now I have it in .osm I found many libraries and frameworks ...
2
votes
1answer
58 views

Extract administrative boundaries

I'm looking to create maps of administrative boundaries. Sometimes nested. For example I want to create shapefiles or geojson-files for all the countries in the world, including states in the US and ...
2
votes
2answers
66 views

Prevent Leaflet from requesting non-existing custom tiles

I have created custom tiles using TileMill. extracted tiles as png images and adding them on base layer. using following code var venu_map = new L.tileLayer('static/b18/{z}/{x}/{y}.png', { ...
0
votes
1answer
27 views

How do I project OSM tiles to a custom coordinate system?

Background: I'm planning to use OSM data to generate tiled maps and then serve them up as an internal service (hosting service still TBD). I want to be able to consume the tiled maps in both ArcMAP ...
1
vote
2answers
185 views

Openlayers 3 display in Firefox and Chrome

I'm experiencing some issues with displaying OSM and GeoJSON. With Firefox v30 I see my GeoJSON data, but OSM is invisible. With Chrome v35 I see OSM, not my GeoJSON... What is the explanation? ...
2
votes
1answer
48 views

Creating Spatialite DB from Swedish OSM

Good afternoon, I have just started to use GDAL/OGR and I am trying to create a spatialite DB from OSM data. I am using a cut of the Swedish OSM data downloaded from Geofabrik in .osm format. I have ...
2
votes
2answers
67 views

How to export a Shapefiles of an OpenStreetMap relation?

Given I have a relation such as this example. I have installed JOSM and QGIS as well as GDAL tools for the shell. I am aware of Overpass-Turbo. What is the best way to export geometry data from ...
2
votes
1answer
121 views

A way to search street intersection on openstreetmap

I need to find intersection by searching name of 2 streets; I fonud overpass API to query on osm data; the way i found was to find a node near a way; but the problem is all nodes don't have name and ...
1
vote
0answers
75 views

Calculate the distances between n geographical points

First of all, I'm sorry if my question is stupid, but I'm totally new to the world of GISs and geographic measurements. I would like to calculate the distances between N (an arbitrary number, but ...
0
votes
0answers
48 views

How to select main cities in a country from planet OSM data

I am trying to create a map with my own style with the help of geoserver and planet OSM data,but trying to give style to the polygon at different zoom level ,need to highlight main in cities in ...
1
vote
0answers
103 views

PostGIS: snap latitude/longitude input to nearest OSM road point

I need a function to return the nearest OSM road point for any latitude/longitude. i.e. users input a latitude/longitude and postgis finds and uses the point on a road that is the nearest to it. ...
0
votes
0answers
24 views

ST_Touches Function in Iterative Process

Im a complete newbie to postgis. I have the following problem: Got two tables: "mp_power_lines_new" -> contains lines of an electricity grid "uw.new"-> contains polygons of all substations in this ...
0
votes
0answers
24 views

Getting the middle of a way over Overpass API

I´m trying to import several Ways and Nodes from the OSM. But i dont want to get the Ways as a way with different nodes, only the middle of the way. In my case, all ways are an area (Parks, Parking ...
-1
votes
1answer
69 views

What are alternatives for SLD editor?

I am working with Geoserver and Geoexplorer and try to create my own sld to style those maps. I was download osmdata and add layers to map. I was try to use Qgis and Udig for styling data,but the ...
0
votes
0answers
37 views

problem with show highway labels in certaint zoom level with mapsforge map

I'm using a mapsforge map ( .map format) in my projet .I converted the OSM file to mapsforge file and i use it. I want to show highway labels from zoom 13 to zoom 20 .I'm using vetorial map viewer. ...
2
votes
2answers
212 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 ...
2
votes
1answer
61 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 ...
3
votes
2answers
46 views

Querying PostGIS and OSM to get only major stations and subway of UK?

I am working with Great Britain OSM data. I have read the classification of UK railway stations. There are a lot of classes in there such as subway entrance, halt, station and many others. I want to ...
1
vote
0answers
30 views

CartoCSS: labels along inside of polygon boundary

I'm using CartoCSS to render maps that include large polygons (like national parks). At higher zoom levels I want labels along the inside of the polygon boundaries, like in OpenStreetMap: I ...
2
votes
1answer
70 views

osm: relation tags to nodes

I filter an osm planet extract using osmfilter. I am only interested in nodes belonging to route=subway relations. After performing this operation, I use osm2psql to load all the data into my postgres ...
1
vote
1answer
31 views

Unable to find either renderd.py or generate_tiles.py

We created a Ubuntu 14.04.1 LTS x64 OSM tile server from packages using the excellent instructions provided by http://switch2osm.org/serving-tiles/building-a-tile-server-from-packages/ The tile ...
1
vote
0answers
31 views

Can't find the proper settings to import Europe map using osm2pgsql?

I'm trying to deploy a map server, i used http://switch2osm.org/serving-tiles/building-a-tile-server-from-packages/. My server setup is: Xeon E3-1230v2 Quad-qore, 16GB RAM DDR3, 2x2TB HDD in Software ...
4
votes
3answers
4k views

How do I determine the center point of several features in OpenLayers?

I have several polygons being drawn on a map, usually representing a country or province or state. Depending on some chosen data, different regions may be selected, so what I was hoping is that ...
2
votes
2answers
944 views

Openlayers Vector Layer Polygons not displaying properly with OSM

I have an Openlayers map displaying Acetate tiles in OSM, and I'm drawing polygon regions on a vector layer to represent the countries of the world. This works fine for the most part, however, there ...
4
votes
2answers
73 views

Filtering Overpass-API by country

Does anyone know how to perform a overpass-api request like this? "Show me all banks in Germany"? I could just show all 'amenity = bank' in a specific bounding-box. But Germany (or most of all ...
1
vote
1answer
61 views

Error while importing osm to Postgres

I'm trying to import osm to Postgres using the osm2pgsql tool. osm2pgsql -cGs -d osm -U postgres -W postgres -H localhost -S /usr/local/share/osm2pgsql/default.style ...
3
votes
0answers
51 views

What is the openlayer.js alternative of unloadinvisibletiles of leaflet.js

I am using open layers with a tile server. I want to load maps while panning and destroy the loaded region when out of screen (Alternative to unloadinvisibletiles of leaflet.js) How am i suppose to ...
2
votes
0answers
58 views

${z}/${x}/${y}.png explanation needed for offline map

Im trying to build map with OMS under Linux (Ubuntu) to made an offline apps. Im working with Ionic and building just for Android for write now. I have the base code: var map; function ...