An image file containing a section of map.
1
vote
1answer
75 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 ...
4
votes
3answers
290 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
15 views
Finding Leaflet Map Tiles for Rivers
I'm building a map-based web app with Leaflet that focuses on the Danube river. I'm trying to find map tiles for the river to use as an overlay in my application, but I can't seem to find any services ...
-3
votes
0answers
35 views
How to use The open source tool to make a web map [closed]
If I have several autocad files with layers(it stored map ), but it is of huge content, maybe a country map of china. How to use these original materials to produce a web map just like openstreetmap. ...
0
votes
0answers
8 views
Export ArcGIS TilePackage from large RasterDataset
We store a large (>1TB) RasterDataset of our Orthoimagery in an ArcSDE 9.3.1 Dataserver (on SQL Server 2008 SP1).
With ArcGIS Server 10.1 we want to export TilePackages of certain areas to use them ...
0
votes
0answers
32 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 ...
1
vote
1answer
187 views
Slow tiles generation for leaflet js
I am currently trying to use leaflet to display images (jpeg or png) instead of maps, I have followed the instructions on this blog post to create the tiles using gdal2tiles.py here is the code we ...
0
votes
1answer
23 views
Mapnik - Error on rendering linestring
I am using Mapnik 2.0.1rc0 on a Windows 7 with python 2.7 32bits inside a GeoDjango App using xml. The datasource come from spatialite 4.0. My tiling script can render polygon and point features ...
0
votes
1answer
30 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 ...
0
votes
1answer
57 views
From local tiles to WMS via Mapproxy
I have any local tiles (seed via Mapproxy) of any local area. May I configure mapproxy that I can use a local tile directory on my computer as a source and get the output then WMS ?
I've already ...
2
votes
1answer
31 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 ...
0
votes
1answer
41 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
1answer
1k 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
25 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 ...
4
votes
1answer
196 views
Generate tiles for google maps overlays
I am trying to show some information on Google Maps which would be in the form of translucent circle overlays. The problem is that some circles overlap, which results in increased opacity and blending ...
0
votes
1answer
108 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.
5
votes
4answers
300 views
GeoJSON too bulky - what to do?
I am using leaflet.js to allow web users to select a region. Valid regions are US states, Canadian providences, and world countries (except for US and Canada). I constructed a shapefile myself using ...
0
votes
0answers
32 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
65 views
Why do I get different output from gdal2tiles vs. maptiler?
I am trying to generate map tiles using gdal2tiles for an area much larger than MapTiler can handle. However, my tile caches are not showing up on the maps. I checked gdal2tiles by running the same ...
2
votes
0answers
28 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 ...
0
votes
2answers
119 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
77 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
152 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
336 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
89 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.
...
0
votes
0answers
12 views
Are there any templates for how to define a NAD83 gridset on geoserver with EPSG:26913?
I was trying to add this gridset for viewing capabilities, but I have no idea how to define the levels for the tile matrix set.
11
votes
3answers
453 views
Are there tools to directly import QGIS projects into Tilemill?
Now that there is a tool to convert an MXD to Tilemill, one must then wonder if the ability to open QGIS documents in Tilemill will ever exist.
6
votes
5answers
757 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
82 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.
0
votes
0answers
55 views
convert my large svg image into tiles
This is probably going to annoy the more experienced map people here, but I'm sort of new to all this, or at least I don't have a lot of experience.
I know this is a bit strange and not ideal, but I ...
1
vote
1answer
78 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 ...
2
votes
1answer
66 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?
14
votes
7answers
3k 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 ...
1
vote
4answers
1k 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
234 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 ...
1
vote
0answers
100 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
97 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
44 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
163 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
130 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 ...
4
votes
2answers
213 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 ...
18
votes
3answers
2k 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 ...
1
vote
1answer
471 views
What is the default projection in Leaflet?
I've read an API documentation for Leaflet on its site, but I can't realize: what is a default projection to view maps? It was written about spherical and elliptical Mercator and Equirectangular - so ...
0
votes
0answers
183 views
Openlayers on Android and chrome browser - white lines when using viewport meta tag
When rendering TMS tiles, sometimes there is a white line that shows up between tiles. Not between all tiles, just some, and only sometimes. Pan around and it disappears and reappears again.
...
3
votes
1answer
142 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
134 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
46 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
110 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
127 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
185 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 ...
