An image file containing a section of map.

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0
votes
2answers
363 views

How Mapserver deals with Huge Aerial Images

I've been trying to evaluate Mapserver , i'm wondering if there's a way to handle the large size of Aerial image with any kind of Tiling or Caching . Thanx
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 ...
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 ...
3
votes
1answer
416 views

How to handle a geotiff map together with points with openlayers (or other libraries)?

I create a lot of printed maps using various applications (ArcGIS, QGIS, Microstation, Illustrator etc). Sometimes I'd like to turn this map somewhat interactive on the web. What I'm looking for is a ...
6
votes
1answer
665 views

What does maps.nokia.com use?

The maps on maps.nokia.com are pretty amazing. I assume they're generating their own tiles but, does anyone know about the infrastructure behind site: the tile server used? and their JavaScript ...
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 ...
3
votes
1answer
1k views

Wrong tiles generated in OpenLayers XYZ layer

I am creating a map in OpenLayers using Base layer as ESRI online map server. And second layer as our own esri map server serving the overlay. The Base layer shows correctly, but OpenLayer requests ...
10
votes
1answer
1k views

Understanding the Map Tile creation properties

I am trying to create a tile base map. I have an image that I want to create the tile from and I am using GDAL. I managed to create the tiles but when I view the result it seems that the tiled map ...
1
vote
1answer
228 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 ...
3
votes
0answers
38 views

How display tiles by using earth plugin in browser?

I was using MAp Tiler to generate tiles for my maps, And everything is great. But I have problems with displaying those tiles in 3D version by using earth plugin. The data which gave me Map tiler was ...
5
votes
1answer
601 views

Efficient Outputs for GeoServer Vector Data

Ok, here's our problem. We have a mapping application at http://explorer.geowessex.com which uses OpenLayers and GeoServer for delivering the data. The data is potentially endless and we have very ...
1
vote
2answers
550 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 ...
2
votes
2answers
431 views

What is the compression gained by caching mod_tile's metatile instead png tiles?

What is the level of compression gained caching mod_tile's larger metatile instead of 256 by 256 .png tiles? I am trying to determine the extra cost of storage resources for pre-rendering some set of ...
6
votes
2answers
823 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 ...
2
votes
0answers
221 views

How can I modify the tiles size in Openscales or other ways to boost the application performance

I am developing an application in Flex that uses Openscales and GeoServer in order to provide a map in the background. It works but the perfs aren't really good; even if everything is on the same ...
2
votes
0answers
191 views

GeoServer + ImagePyramid: Request is empty where data exists

I have set up an image pyramid based on 5 levels of tiling. The data is served using the ImagePyramid plugin for GeoServer. When I do a layer preview the data is visualized just like I expect them to ...
2
votes
0answers
444 views

Tile mode in Map server

I am trying to overlay the layers that are rendered using map server over google maps.I am pretty much new to this whole thing. So I tried to go through this example here here ...
2
votes
2answers
910 views

Image tiling math

I've been looking at MapTiler for the logic on how to render an image as tiles on a (google) map. Instead of storing the single tiles locally in a folder structure I want to use Djatoka. I'm able to ...
4
votes
1answer
497 views

How do i get country boundary and names to show up in postgis backed mapnik rendered map?

I followed this to setup postgis server with planet-latest.osm. I used generate_xml.py to generate stylesheets. Using this style sheet with mapnik produces a world map with no country boundaries or ...
1
vote
2answers
346 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
399 views

Geoserver tiles mismatch

I tried to get WMS tiles from geoserver like /geoserver/gwc/service/tms/1.0.0/layername@EPSG%3A4326@png/15/19142/9530.png or with another projection ...
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 ...
1
vote
1answer
402 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
547 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
335 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
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 ...
-7
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 ...
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 ...
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?
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 ...
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
2answers
767 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
700 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 ...
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 ...
0
votes
1answer
245 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 ...
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 ...
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
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
93 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
265 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
5k 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
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 ...
4
votes
3answers
871 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
691 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
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 ...
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 ...