An image file containing a section of map.

learn more… | top users | synonyms

1
vote
1answer
363 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 ...
1
vote
1answer
382 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.
3
votes
1answer
232 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?
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
1answer
148 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 ...
2
votes
0answers
220 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 ...
5
votes
1answer
460 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 ...
1
vote
0answers
195 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
66 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 ...
8
votes
4answers
1k 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 ...
1
vote
1answer
633 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 ...
3
votes
0answers
337 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
940 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 ...
11
votes
1answer
275 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 ...
6
votes
1answer
3k 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
258 views

Openlayers on Android and chrome browser - white lines when using viewport meta tag [duplicate]

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. ...
1
vote
0answers
71 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
188 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 ...
3
votes
1answer
435 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
0answers
125 views

Creating responsive interaction with tiled maps

I think I may have two conflicting aims but... I need to create responsive Choropleth map very similar to http://leafletjs.com/examples/choropleth.html or ...
0
votes
1answer
547 views

What do I need in order to show offline map (tile cached based) of area from OSM using Openlayers?

I want to make an offline map with certain zoom levels of an area from OSM (preferably keeping the styles of OSM). Client will use OpenLayers , If needed I can install Geoserver/Mapserver and MS-SQL ...
3
votes
1answer
265 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 ...
13
votes
4answers
2k 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.
2
votes
1answer
1k views

How can I use tiles in an ArcGIS .tpk file with Google Maps?

ArcGIS can export a map as server tiles as a compressed folder with the extension .tpk, as described in the ArcGIS documentation. However, it is not clear how I can get Google maps to read these ...
1
vote
0answers
383 views

How can I show MapInfo tabs in OpenLayers without using MapXtreme Tile Handler?

I want to connect OpenLayers to mapinfo tabs I have , but I don't have MapXtreme license . Is there a way to show the tabs using different Tile Cache ? I can export the workspace to WOR or MWS files. ...
3
votes
3answers
1k views

Should I use gdal_retile.py or gdal2tiles.py?

I have many GeoTif files that I want to display in google earth with Geoserver. I am wondering if I want to use gdal_retile.py or gdal2tiles.py to create the image pyramids for them to be usable in ...
3
votes
2answers
247 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. ...
2
votes
1answer
649 views

How to preload tiles in Leaflet?

I'm trying to make a user controlled cross-layer animation in Leaflet. I have about 70 tileLayer.wms layers, that need to be preloaded on the map before animation can run. The question is - is there ...
1
vote
1answer
211 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 ...
1
vote
2answers
471 views

Why is my shapefile not visible in Tilemill?

I have 3 layers of vectors (shapefiles) that I've loaded into Tilemill. However, nothing is visible in Tilemill. What am I doing wrong, and what should I do to get my map to show up? This is part ...
3
votes
1answer
419 views

Add a mbtiles file to TileMill

is it possible to add a mbtiles file as TileMill layer? Thank you, Andrea
3
votes
1answer
552 views

QGIS custom CRS for map of manufacturing shop floor

I'm working on a web app that shows a map of a manufacturing plant's shop floor. I've built it in Inkscape and QGIS, but when I try to load it into Tilemill, I get a CRS error. Specifically, it ...
2
votes
1answer
435 views

Create WMS service from existing image tiles

I have image tiles (jpg image files with txt georeference info files; see picture) stored in catalog (about 12GB, size one image tile ~ 275*466 meters). It possible create WMS service of the tiles to ...
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 ...
6
votes
1answer
1k views

Generating tiles for osm/esri shapefiles

I've generated tiles for OpenStreetMap .OSM files using Maperitive and quickly consumed them with leaflet (with no tile cache yet). I'm now looking for the right and simple way to do that also with ...
3
votes
3answers
3k 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
205 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: ...
1
vote
1answer
257 views

Counting slippy map tiles

I would like to calculate approximately, how many tiles of given size would need to be rendered for a given bounding box and zoom level range in a given projection (always 3857). For example, for: ...
2
votes
3answers
1k views

Optimizing OSM tiles download

Disclaimer: I don't know anything about maps, please excuse me. In our mobile app, we use Cloudmade as our map tiles provider. For certain places, we download multiple tiles for each zoom level ...
4
votes
1answer
491 views

How do I know when to use a map server or a tile server?

I'm new in GIS tech and I still have some questions about GIS. I wanted to know why to choose a map server (mapserver, geomap) instead of a tile server (tilestream, tilecache or tilestache) + tile ...
3
votes
1answer
953 views

How can I use MOBAC atlases in GIS Software (e.g., QGis, uDig)

How can I use the output from MOBAC (Mobile Atlas Creator) as background layer in open source desktop GIS software (e.g., QGis or uDig, TileMill etc.)? My goal: To put my question into context: I ...
3
votes
2answers
306 views

Generate a pyramid of tiles by 1/2 scaling a higher zoom level

Given a set of tiles covering a large area at a particular zoom level (These are online on someone's tile server and will need scraping, but let's assume these are on disk if it's easier. With TMS ...
3
votes
1answer
435 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
686 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 ...
1
vote
1answer
254 views

A strange OSM tiles in Mapproxy

Could someone please help me with my issue? I try to use Mapproxy with OpenStreetMap server of tiles in order to get output WMS for my qgis client. Something like this: ... sources: arcgis_tms: ...
4
votes
2answers
265 views

Looking for stand alone map server

New to mapping tech. Requirements: Stand Alone Server for offline use (will be an internal app) - No Mobile. Ability to add custom CSS class and hover information to US counties Programmatically ...
3
votes
1answer
2k 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 ...
14
votes
3answers
489 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 ...
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 ...