An image file containing a section of map.
0
votes
0answers
63 views
Changing projection of base layer
normally we change projection of vector data for displaying it over google base map. Similarly is it possible to change the projection of base image tiles map? if yes, how we can do that, any ...
1
vote
1answer
329 views
Are there any repositories to find custom map tiles for an OpenLayers implementation?
I can't seem to find an WMS that looks the way I want. I've also checked all of the regular OSM places too and haven't quite found anything.
Can anyone recommend any places to find custom map tiles ...
5
votes
2answers
391 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
0answers
260 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 ...
5
votes
3answers
3k 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 ...
6
votes
4answers
3k views
How to build tile server from Openstreetmap data for beginner?
I am a beginner at GIS and I am developing a Java Application which needs a map. (The map would specifically be of just one city in the Philippines.) I have researched on different ways to do this and ...
-5
votes
3answers
819 views
Delivering map tiles in real-time without caching?
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 ...
2
votes
3answers
2k 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 ...
4
votes
1answer
1k 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?
14
votes
5answers
3k 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 ...
5
votes
4answers
2k 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 ...
1
vote
1answer
1k 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
2answers
599 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, ...
5
votes
2answers
402 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 ...
1
vote
1answer
382 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
1answer
1k 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 ...
0
votes
1answer
183 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
790 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 ...
3
votes
1answer
1k 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
...
7
votes
2answers
523 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 ...
5
votes
1answer
886 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 ...
2
votes
1answer
2k 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
87 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 ...
1
vote
1answer
223 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 ...
11
votes
8answers
3k 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 ...
11
votes
2answers
873 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 ...
7
votes
2answers
2k 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 ...
4
votes
3answers
690 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 ...
4
votes
1answer
584 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 / ...
5
votes
1answer
760 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 ...
2
votes
2answers
874 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 ...
14
votes
3answers
891 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
516 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
209 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 ...
7
votes
1answer
2k 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 ...
8
votes
4answers
2k 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, ...
