An image file containing a section of map.

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1
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2answers
339 views

Script for creating a tile-pyramid from a wms service

Given a WMS service, is there a ready-made script that, for a given extent, creates a tile-pyramid that is compliant with: http://leaflet.cloudmade.com/reference.html#tilelayer That is urls on the ...
1
vote
0answers
325 views

Retrieve tile path of superoverlay in Google Earth Plugin using Javascript

I've created a superoverlay using MapTiler and am displaying that in a webpage with the Google Earth plugin. I'd like to identify the current tile (level, x, y) being displayed with a mousemove ...
3
votes
3answers
5k 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 ...
1
vote
2answers
544 views

Using TiledMapServiceLayer and On Demand Tiling

I have a tiling services which generates tiles on demand but TiledMapServiceLayer does not use a callback for getTileUrl so how would one implement this? I've tried using the refresh! method to no ...
5
votes
3answers
4k views

OpenLayers on mobile device: possible to use local map tiles?

Is that possible for an OpenLayers app (running on mobile device) to load the map tiles that are deployed in the device, if the app is able to access these files (e.g., using PhoneGap)? from this ...
1
vote
1answer
226 views

GDAL Tiling, Missing Tiles

i have used gdal2tiles.py for tiling about 100 tiff tiles which i have generated virtual dataset with gdalbuildvrt for my 1:250.000 scaled maps... everything goes well from 15 to 11, but when it ...
1
vote
2answers
2k views

How to get a slippy map from OziExplorer .map and .png tiles?

I have a bunch of topographic maps in the format of .map files and 4000x4000px png files.I would like to view them as a slippy map and be able to select an area and export that as one big image. I am ...
5
votes
3answers
393 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 ...
5
votes
1answer
2k views

How to serve local maps for an offline HTML5 webmapping app?

How could one serve maps (tiles in wherever format possible) within a Android device to be consumed by an offline webmapping app also accessed within the device's browser?
11
votes
1answer
516 views

Merge GeoWebCache generated tiles from one server with tiles from another server

I have a set of tiles (millions) generated by the builtin GWC in GeoServer 2.1.2 which is stored on server A. I would like to copy all the tiles to server B containing GeoServer 2.1.3 and the ...
2
votes
2answers
1k views

How to optimize a WMS request by limiting number of tiles?

I want to display the layer using WMS and meanwhile I want to limit the number of tiles with their respecive BBox when map is loaded. At the backend I am using geoserver. I can limit the number of ...
1
vote
1answer
2k views

Are there any freely available WMS tile servers?

I am looking for an open public endpoint to retrieve WMS map tiles from, for use with leaflet maps For clarity, I am not looking to set up a tile server or for tile server software. It looks like ...
2
votes
1answer
597 views

gdal2tiles problem

Im using the following to try to produce a tms tileset: gdalbuildvrt test.vrt *.tif gdal2tiles -p raster --zoom=0-6 test.vrt out Two tifs work fine, more than that and it seems to miscompute the ...
5
votes
2answers
686 views

Is there a way to render 3D map tiles?

I am looking for a way to create map tiles from OSM data but I would like the resulting map tile images rendered at a 45 degree angle. Is there any way this can be done? I have never see such an ...
2
votes
4answers
2k 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 ...
24
votes
3answers
5k 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 ...
8
votes
1answer
2k views

Setting up TileStache

I want to set up TileStache, but I'm new enough to the world of GIS to find the TileStache docs a bit impenetrable. I've just about figured out that I need to run tilestache-server.py -c ...
6
votes
2answers
810 views

Generating GeoJSON tiles from GeoDjango - basic overview?

I'm working with the glorious PolyMaps and I want to build a map similar to the population example. I understand that this needs GeoJSON tiles. I have a GeoDjango database, with a bunch of County ...
0
votes
1answer
242 views

Tiling failing near the end of generating base level tiles

I have a GeoTiff file that I have created by using the command: gdal_translate -gcp <my gcp> -a_srs <my wkt file> input.tif output.tif Note that I have twelve -gcp options set on the ...
0
votes
5answers
1k views

Layers fail to draw when generating tile cache in AGS

I recently created an MXD-based map service on AGS 9.3.1 SP2. The map seems to render fine as a dynamic service, but when I convert to a cached service and attempt to generate tiles, the operation ...
3
votes
2answers
1k views

Stylized map workflow: Illustrator to Google Maps / OpenLayers

The aim My current aim is to create a series of (heavily) stylized diagrams and maps. I'm not very familiar with any GIS software, so my weapon of choice would be to use illustrator for creating the ...
2
votes
2answers
758 views

Is there any way of merging two sets of tiles with gdal2tiles?

I've executed gdal2tiles against 2 raster coverages: One big raster coverage, composed by several TIFF files. Example of tile: http://dl.dropbox.com/u/6599273/319.png One single TIFF file, ...
3
votes
1answer
2k views

Mapserver: labels and tiles

I'm developing map with Mapserver to be rendered in tiles and testing output with Ka-map. Most of the time labels split on two tiles are matching, but sometimes they're not. I configured Ka-Map like ...
19
votes
6answers
3k views

Creating a small web-mapping/map-tiling service

I am looking for a small-scale and easy way to present one or more polygon shapefiles online (on a municipal website without any existing map-server infrastructure, to be precise). Right now, I'm ...
7
votes
2answers
2k views

What is the effective and legal way to get map tiles for the size of 2 or 3 states?

I would like to get map tiles possibly from Open Street Map (yes I am aware about tile usage policy and would not like to breach that) or other source for the purpose to serve it as offline maps to ...
2
votes
3answers
1k views

tile cache error : Lower left corner is outside layer bounds

i have made a wms layers in openlayers consuming cached tiles generatred by tile cache , in the generation step i have used this configuration : [vmap0] type=WMS ...
2
votes
1answer
3k views

How to convert a bing maps quadkey to mercator coordinates

How do you convert a bing maps quad key, such as "03200320023" to coordinates in mercator virtual earth (epsg 3857) coordinate system? I've got an algorithm to convert to coordinates in latitude ...
2
votes
1answer
92 views

Populate planet with data

i have a game that described a planet and is a sphere. on the client side, the world is separated to tiles (images) and i mapped it follow by this and this, so now when the user is zooming / dragging ...
5
votes
2answers
534 views

Disk space and numbers of tiles for world layer

I'm thinking about testing tiles generation of a world layer for webmapping. In this context, I want to know how I can calculate the number of tiles (256x256 for tilecache if I remember) I will need ...
1
vote
1answer
263 views

Is Tile same as Layer?

Is there difference between a tile server or a layer server? Can I load tile in ArcGIS control in WPF from some other source? Can I host my own layer server? Or is there any such thing as layer ...
16
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 ...
8
votes
4answers
1k views

Performance of google map tile creation processes

I know that question is rather vague but please bear w/me. I'm trying to get an idea of what sort of product performance - specifically timing - people have seen for various methodologies they have ...
11
votes
2answers
1k views

Tiling Vector data without losing geometrical and topological information

I am trying to figure out a way to sub-divide a vector based map into smaller blocks. I can tile the map based on different strategies such as q-tree. However, it is unavoidable to cut some polylines ...
9
votes
2answers
3k views

Difference between Geoserver stores: ImageMosaic, WorldImage, ImagePyramid

What are the differences between the Geoserver stores ImageMosaic, WorldImage, and ImagePyramid? I noticed that ImagePyramid is no longer included in the latest Geoserver. Is one of these more ...
6
votes
1answer
1k views

What tile/tiling strategy should I use with GeoNode/GeoServer?

I've got a wicked GeoNode instance running, loaded with some basic vector data. I want to be able to serve our local-County aerial imagery as a basemap within GeoNode. I am thoroughly overwhelmed with ...
6
votes
5answers
1k 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 ...
4
votes
1answer
688 views

Advice on benchmarking my Tile Server (Apache2+mod_wsgi)

I'm wondering what advice people have for benchmarking a tile server? Specifically, I'm running a TMS using TileLite, and Vector Tiles using TileStache. Both are running under Ubuntu Server 10.10 / ...
11
votes
8answers
4k views

What methods are there to produce map tiles for google maps?

newbie to stack exchange here. I'm currently using the automatic tile cutter found here to make the standard 256x256 tiles required to make a custom map type for my map. The map tile cutter script ...
5
votes
1answer
1k views

Maximum number of Tiled Layers in Open Layers

I'm developing an OpenLayers site where the client wants a dozen layers that can be individually turned on and off, which is a bit of a bummer in terms of performance. The data is PostGIS and static ...
16
votes
6answers
5k views

How to cut a 'tiled image' from a raster dataset using GDAL?

I am working on an app that needs to create tiles (jpeg) from a given raster dataset. My initial inclination was to use gdal2tiles.py, but its performance seems like it could be improved. That leads ...
2
votes
2answers
1k views

How do you publish map caches from ArcGIS Data and Maps for Server?

I haven't published ESRI-supplied data before, but I followed the instructions that came with the Data and Maps for ArcGIS Server 10. When I view the supplied MXD file for a map cache, it's just a ...
4
votes
3answers
865 views

Google Maps with Tiled Image

I'm trying to get a weather image to display on Google Maps, however in my comparisons to others it seems as if my image is slightly to small (Vertically).. I'm wondering what I might have done wrong ...
14
votes
3answers
1k views

What is the wire format for Google's new vector map tiles?

Google recently released new vector cartography for their mobile maps. I'm curious if anyone here has any insight into the wire format they use for transmission? I've experimented with a few formats ...
2
votes
4answers
729 views

How do algorithms load pieces of maps?

If the user moves the mouse pointer to the top left corner of the screen, I want my software to auto-load the three tiles that are closest to the mouse pointer. My assumptions are that the smaller are ...
5
votes
3answers
228 views

What's the easiest way to move tile-based services?

We're still running ArcGIS 9.3.1 for a short while longer, and have been tiling more of our data, which is great until we have to deploy it. Deploying currently consists of transferring the entirety ...
-6
votes
3answers
1k views

Delivering map tiles in real-time without caching? [closed]

I am wondering how useful would you find to have a way to deliver map tiles quickly over the web without worrying about caching or seeding them? With raster map engines we know that this is a ...
12
votes
3answers
7k views

How to georeference a web mercator tile correctly using gdal?

As an example I will take the following tile http://a.tile.openstreetmap.org/3/4/2.png and save it as "4_2.png". The WGS84 coordinates of this tile can be calculated or read there by clicking the ...
7
votes
1answer
3k 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 ...
6
votes
4answers
3k views

Converting huge geotiffs to tilepyramid

I'm trying to convert a 20 GB LZW compressed geotiff to a tilepyramid using gdal2tiles. Unfortunately, gdal2tiles seems not to be able to handle this, after running it for 10 hours it still hasn't ...
8
votes
4answers
3k 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, ...