An image file containing a section of map.

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2
votes
0answers
34 views

Protect our WMS map tiles to only accessible from our site [duplicate]

We are using geoserver (2.3) to serve WMS map tiles generated from mapping data we licenced. We use leaflet on the client side to show the map (part of a ruby on rails site running on heroku). Because ...
2
votes
0answers
66 views

How can I figure out whether a sphere is intersecting the Earth between a given lon/lat range?

Given a lon/lat range that represents a tile on the Earth's surface, I need a computationally efficient way to figure out if a spherical volume defined by a point (assume ECEF coordinates) and a ...
3
votes
3answers
4k views

local tiles server for offline access

Anyone knows if there is a "lightway" solution to mount a local tile server? Feature I'd to provide is local storage of small sections of maps, not more than small city for example, in order to ...
1
vote
1answer
166 views

Gdal2tiles with tif projection failure

I downloaded this .tif image of the world (small version) from Natureal Earth and tried to convert it to tiles using Gdal2tiles in OSGeo4W. In the terminal, I used the following commmand: gdal2tiles ...
5
votes
3answers
465 views

How to list all names of tile inside a given polygon?

I'd like to generate a specific set of slippy map tiles to cover certain a certain land mass. Given a polygon shapefile, is there something that will quickly generate a listing of the z/x/y tile ...
0
votes
0answers
69 views

Tiles cover Polygon on zoom and move

i'm using OpenLayers.Geometry.Polygon.createRegularPolygon to generate some nice circles. After i draw them to the Map i'm Moving them and after some while they where hiding by some tiles. The circle ...
9
votes
4answers
1k views

What kind of AWS configuration is needed for running a low-to-medium bandwidth Web map app?

Does anyone have experience with running Web maps (tile server + client JS scripting) on Amazon Web Services (S3, EC2 etc...)? What kind of AWS configuration is needed for running a low-to-medium ...
1
vote
1answer
298 views

Get latest tiles from TileMill's tile server in Leaflet

My leaflet app gets the tiles from TileMill's tile server in the standard way: L.tileLayer('http://<myip>/tile/SteveCountryVic/{z}/{x}/{y}.png', { ... }); These tiles are often old, not ...
4
votes
1answer
2k views

Google maps android vector rendering : how do they make it that fast?

Most of the question is in the title. If you are on android (I believe its the same on IOS) and use maps you will notice the quality of the maps app and how the vector maps are drawn in a very fluid ...
1
vote
1answer
646 views

How to change the color of a tile layer?

If I generate a very large number of map tiles (300,000), is there an easy way to let a Google Maps user change their color? For instance, is it possible to change the color scheme of a map tile ...
0
votes
2answers
231 views

OpenLayers shows empty tiles if I toggle my layer

I display my custom tiles with OpenLayers and I have set .olImageLoadError{display: none !important;} in my CSS to avoid displaying pink empty tiles (as described here). In this way empty tiles are ...
1
vote
0answers
55 views

Making Tiles - Varying the Zoom Level by Population Density

I want to create map tiles for all of the United States at high zoom level (12 or 13). I am using TileMill and mapping census tracts (income). However, I only need the high zoom level for populated ...
1
vote
1answer
321 views

Mapnik - Weird tiles rendering when used with spatialite

I use Mapnik in an GeoDjango App with Spatialite 4.0 as backend. There is something weird with the tiles that I suspect might be related with a bad handling of mbr with spatialite. If you look at ...
0
votes
2answers
81 views

What is the difference between the calculation for tiles generated with different projection?

I found that the tiles are generated under the Mercator projection in openstreetmap(here). And in the wiki page,they provide the Derivation of tile names which is used to Calculate the covered tiles ...
2
votes
2answers
1k views

Why does OpenLayers load OSM-like tiles, but does not show them?

I created a tile server with OSM-data in the German style. The data is quite similar to the official tile server for openstreetmap.de, provided by Fraunhofer IOSB. ...
0
votes
0answers
61 views

Can I manually set the size of GeoServer's tiles?

I'm using GeoServer to generate a street name overlay that we can use with our various basemaps. It works great, but the names repeat too often to be truly beautiful. I've tried bumping up the ...
1
vote
0answers
154 views

setup Mapserver WMS from tile files

I'm totally new to Mapserver and I've been banging my head trying to figure out how to mount a WMS server that will seed images of a small geographical area to a OpenLayers HTML page. I already ...
0
votes
1answer
318 views

Does tile server renders every request?

I am trying to understand how tile server handle requests. I red about Mapnik which "creates" the map using OSM, Does "creates" means that every request is rendered and returned? If yes what is the ...
2
votes
1answer
342 views

Raster Tile Merge Performance of PostGIS 2.0

I'm attempting to intersect Australian Census boundary polygons with the 1" SRTM DEM (10.5bn points across Australia), and output the result as a single raster image on the fly. The DEM is stored in ...
3
votes
1answer
3k views

XYZ Layer in Open Layers has Missing Tiles

In Open Layers I'm having a missing tile problem where it generates a missing link icon and a pink background. I found several threads including this one saying to add this code ...
0
votes
0answers
116 views

GeoServer - GeoWebCache tile larger than others

GeoServer Version 2.2.4, GeoTools Version 8.6, GWC 1.3-RC5 I have an issue where a tile is sized incorrectly and misaligned when I provide a gutter for a layer's tile caching. The issue occurs in the ...
1
vote
1answer
444 views

How do i use gdal2tiles for creating tilecache?

I want to create tiled cache from raster file, so i downloaded gdal2tiles.py. Now i don't get what (and how) i must do with that python script file.
0
votes
0answers
228 views

mapnik error - fatal flex scanner internal error--end of buffer missed

I am using Mapnik 2.0.1rc0 on a Windows 7 with python 2.7 32bits inside a GeoDjango App. I often got this error: fatal flex scanner internal error--end of buffer missed that makes python to crash ...
2
votes
0answers
119 views

efficiently slicing tiles with gdal C API

Im working a project using the gdal C api(in a block of objective-c) to slice TMS style png tiles. The code currently works, but I'm running into some trouble optimizing to run fast enough for use on ...
2
votes
2answers
1k views

how to use mapproxy to serve WMS from reprojected google maps tiles

how to use mapproxy to serve WMS from reprojected google maps tiles, i have searched for docs, but there's no docs which describe how to add google maps as source.
2
votes
1answer
155 views

In OpenLayers, is there any way to convert polygons to tiles?

I have a OpenLayer map which by enabling a feature by user, a very huge table of polygons (lots of small areas, with information and metadata for each) will appear on the map, which rendering this big ...
3
votes
2answers
270 views

Convert multiple TIFFs into one?

I have downloaded the Blue Marble dataset, and it consists of eight GeoTIFF images, labeled like this: A1 B1 C1 D1 A2 B2 C2 D2 I would like to use these tiles for GeoServer to be served as WMS. ...
14
votes
3answers
518 views

How are Google serving up their Styled Maps?

As we all know, Google changed web mapping when they introduced Google Maps. At the time of writing this, tiled maps are now the norm with web mapping. For example, with ArcGIS Server, you cache ...
1
vote
1answer
1k views

GeoServer: Receive multiple tiles from layer

Using GeoServer you can do a WMS request to receive a single PNG representation of a certain layer using something like this. ...
7
votes
5answers
2k views

Is there an online tile-based elevation service?

I am working on an application that requires the elevation at a given lat/long coordinate for lots of closely spaced coordinates along any given irregular path. (The path is a trace of a ...
1
vote
1answer
906 views

Using GeoWebCache to cache google maps tiles

I'm new to GIS and I would like to know if anybody could give me a quick example of using geowebcache with google maps tiles. Thanks.
1
vote
1answer
458 views

Speed up OpenLayers TMS

Hopefully someone can help. I'm using OpenLayers and have a TMS layer with local tiles stored. When drawing the tiles it seems slow, I see the tiles load one by one. Is there a way to make getURL ...
3
votes
1answer
284 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?
17
votes
7answers
5k 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 ...
2
votes
4answers
3k views

Retrieving tiles in EPSG:4326 format. Is there a service for that like CloudMade?

Is there a service that can provide custom tiles in the EPSG:4326 projection? I've looked at Cloudmade and it would be the ideal solution but their tiles are using Spherical Mercator. Basically the ...
1
vote
2answers
2k views

how to replace GTileLayer in google maps API v3

I need to port code of one application written in Google Mapa API v.2 to API v.3. There is several layers taken via TMS, that are displayed using GTileLayer class. It is as simple as: var ...
2
votes
0answers
247 views

Map tiles and max/min latitude and longitude

I'm trying to build a map based on a center point lat/long, the map will always be a fixed size say 1024 by 1024. The user can chance the center point and zoom. If I populate the map with map tiles ...
1
vote
0answers
222 views

Geoserver Tile Generating

I'm a complete newbie at this so please excuse my lack of knowledge. I need to be able to place hundreds of thousands of points on a map. I'm using OpenLayers with Google Maps base layer and I just ...
1
vote
1answer
67 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 ...
11
votes
1answer
305 views

Giant 2.5 GB JP2 image: How to tile it?

I have a single 2.5 GB JP2 image of a city that I need to split into tiles, which I'll then process to create flight simulation scenery. Google as I might, I can't find the solution. The JP2 ...
3
votes
0answers
409 views

OpenStreetMap Tiles Not Loading in Firefox 17.0.1 - Pink Background [closed]

I recently ran into an issue where only a pink background is displayed in the openstreetmap on my webpage (tiles are not displaying). I found this topic OpenStreetMap tiles not loaded despite being ...
5
votes
2answers
1k views

How to generate Tiles with QuantumGIS or Mapnik

I would like to know how to generate Map Tiles using QGis. I have heard that it is possible to create tiles using QGis, only, I don't know how to do that. Googling did not work for me since I am not ...
26
votes
3answers
6k views

How to generate Tiles with QGIS

Is it possible to generate map tiles from QGIS? I guess QGIS Server must have a way to do it, but is there a way to just generate the tiles and save them to disk? With the new symbology renderer and ...
3
votes
1answer
297 views

OpenLayers OSM tile boundary

I have a local tile source of OSM tiles. I'd like to show the tile zoom, x, y on the tile so that I can optimize and create small offline groups of tile for specific areas(polygons). I can get the ...
3
votes
2answers
142 views

What is best approach to provide a WMS of world coverage of 1 meter CIB?

I have been tasked with creating WMS's of several raster types to include 1 meter CIB. We have an overall ESRI environment to include ArcGIS Server and we have a butt load of original CIB data (world ...
1
vote
0answers
75 views

History of the web map tile

I'm looking for a brief history of a 256x256 web map tile, in particular who used it first (came up with the idea) and who popularized it. Thanks!
2
votes
1answer
209 views

Tiling Rasters based on an existing Polygon Shapefile (Vector Grid)

I have a tile index representing the tile scheme used to tile Lidar data. I want to tile imagery rasters using the same tiling scheme. I have not found anyway using open source tools to tile a ...
1
vote
1answer
232 views

Issue openlayers and tilestream

Basically I created a MBtiles using Tilemill and it generates a map with six zooms. I implement it into tilestream. I added a layer on the openlayers module(Drupal) in XYZ: ...
3
votes
1answer
591 views

Best way to create tiles

Within a GeoServer framework, does anybody know how I might best create/cache tiles based on layers stored in PostGIS? I am aware of Mapnik and have created a simple TMS using python (+ Django) but ...
1
vote
1answer
224 views

How to choose suitable pyramid levels and tile size?

I have a big tiff file and i want to create tiles with gdal_retile. However I am still concerned about the pyramids levels and the tiles' size. how can I choose suitable pyramids levels (for example ...