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29 votes
7 answers
12k 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 ...
Nelson's user avatar
  • 1,330
17 votes
3 answers
32k views

How to calculate the optimal zoom-level to display two or more points on a map

We want to display several markers on a static map and want to calculate the optimal zoom-level like Google Maps does. We already calculated the bounding rectangle and the centerpoint of the map but ...
Tobias Schwarz's user avatar
4 votes
2 answers
3k views

Serving multiple styles from tile server

I installed an OSM Mapnik tile server (according to the switch2osm documentation). Now, i'd like to serve tiles in different styles from the same server. Is this somehow possible?
patrickruetter's user avatar
15 votes
4 answers
37k views

Simple way to have an offline web based map? [closed]

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 ...
tek's user avatar
  • 161
10 votes
4 answers
5k 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, water=...
Jared Updike's user avatar
9 votes
1 answer
4k 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 ...
colemanm's user avatar
  • 1,347
4 votes
3 answers
7k 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', { ...
shrinidhi kulkarni's user avatar
4 votes
1 answer
8k views

Loading tile zoom level 20

I have local tile also 20 level. I found out that OSM tile level 20 don't loading. map code: map = new ol.Map({ target:'map', renderer:'canvas', view: new ol.View({ projection: 'EPSG:3857', ...
Bear's user avatar
  • 377
3 votes
2 answers
4k views

Renderd outputs "failed to initialize projection 4326"

I'm setting up a tile server using the guide provided here. I have everything set up. proj4 is installed in version 4.8.0. The espg file is existant, I ran an xmllint over my xml style file without ...
Johnny Cusack's user avatar
2 votes
1 answer
1k views

Label size in OSM tiles

I'm just curious if someone can display OSM with larger labels in QGIS. I know tiles are built on the server, and this is likely a showstopper. The layer source is https://tile.openstreetmap.org/{z}/{...
mins's user avatar
  • 267
1 vote
3 answers
6k 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 ...
Nikhil VJ's user avatar
  • 1,026
0 votes
1 answer
1k 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 ...
DenaliHardtail's user avatar