An image file containing a section of map.

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4
votes
1answer
1k views

How to add a custom map tile layer?

I am trying to display the following background map in QGIS 2.0: http://server.arcgisonline.com/ArcGIS/rest/services/World_Topo_Map/MapServer/tile/${z}/${y}/${x}. In a custom web map client, this is ...
2
votes
1answer
231 views

OpenLayers 2.13 : How to display a local tiled raster?

I am trying to display (on OpenLayers 2.13) a local tiled raster I made with gdal2tiles.py. Unfortunately it's all blank or pink. Here is my layer definition: var tiles = new ...
2
votes
1answer
531 views

How can I load stricly tiles within the current viewport in Leaflet.js?

I have tiles that are not available for the whole map. How can I stop Leaflet.js/Mapbox.js from making requests to these tiles? There are dozens of 404's that I'd really like to get rid of. Thank ...
1
vote
3answers
49 views

What kind of improvement can be done for raster tiles for mobile usage

We generate raster map tiles and deploy them in the server, then we use javascript in the client to request the tiles and re-organize them to map.(like google map and Openstreetmap). However this is ...
0
votes
1answer
194 views

how to plot gps coordinates on my own raster map?

I have lat log values available in degree format, i donot know how to access raster maps using c#, and how to plot accurately. which libraries should i use and what are the controls avialable ,i am ...
0
votes
0answers
60 views

Google Map API V3

Can I use Google map API V3 to get tiles and then access it over Map Proxy WMS services?
1
vote
2answers
188 views

ArcGIS Server Tiles as Basemap in CartoDB

Has anyone successfully used their ArcGIS Server Tilecache as a CartoDB Basemap? I'm trying to hit mine directly using the XYZ Tile URL Template as follows: ...
1
vote
1answer
42 views

Rough edges on tiles in QGIS

I'm loading four .ASC files into QGIS, each containing topographical data about a tile of 10 x 10 km. On the map, this data is displayed as black/white and different shades of gray. My problem is that ...
2
votes
3answers
143 views

Generating a polygon tile index from multiple vector datasets

OK. well this is silly, in that there is no way it should be as difficult as it has been for me to find information regarding how to generate a polygon tile index from multiple vector (contour) tiles. ...
0
votes
0answers
90 views

Using GDAL to link to a TMS

I currently have a C++ application that will consume a WFS using gdal. It determines if the WFS layer is points or polygons then adds stores them in an appropriate object that is later used to ...
0
votes
2answers
94 views

How to call Geowebcache tile openlayers [closed]

Can anyone provide the solution, how to call GeoWebCache tiles in openlayers as i have 20GB of tiles created in gwc folder.
1
vote
1answer
182 views

GDAL tiling with a lot of MrSID files

I'm trying to generate tiles for a region with a surface of 85k km2. The data source are MrSID files (2734 files). I'm using gdal to achieve this task. It works fine with a small subset of MrSID, but ...
1
vote
1answer
286 views

How to draw bus routes on OpenStreetMap with mapnik

I have successfully set up Postgres with PostGIS and MapNik to serve map tiles. The database is populated with data from OpenStreetMap project. I can see that bus routes are in the data-set, but I ...
0
votes
1answer
1k views

offline map tiles in standalone desktop app

Which mapping API can be used (either in a C# desktop app or as a standalone mapping app) that accesses an offline tile collection and requires only a minimal amount of additional servers / other ...
0
votes
1answer
279 views

Map tiles rendering from local map server to disk

I am looking for a solution for following use-case: I need to run a local map server using OpenStreetMap (OSM) data Map server needs to be able to render a set of map tiles to local directory on ...
1
vote
2answers
227 views

Serving multiple styles from tile server

I installed an OSM Mapnik tile server (according to the switch2osm documentation). Now, i'd like to serve tiles in different styles from the same server. Is this somehow possible?
1
vote
1answer
63 views

Custom tiles in local CRS

I want to achieve the following: Create an OpenLayers map, that runs totally in a local CRS. The basic layer would be a raster tile layer. The tiles will be generated by us once for each project ...
2
votes
0answers
144 views

Generate tiles using GPU

I was wondering if anyone has tried already to utilise the GPU in tile generation? I have a quite big dataset so tile generation takes a while (especially on high zoom levels) even on a quite high ...
1
vote
2answers
465 views

OpenLayers: Strange Tiling Issue (Checkered, white and grey) when panning around map

So this strange tiling issue is only occuring when moving around the map. Some things to note: 1) You can see the markers, airplane icon, and flight paths. These are all overlays, where the actual ...
4
votes
1answer
126 views

Openlayers tiles source with poor resolution, how zoom out?

I am using Openlayers to display a map from Vienna Open Data (Capabilities) in an app for mobiles, which have higher DPI screens. The resolution of the tiles is not so good (I suppose because they ...
2
votes
0answers
455 views

Building java based desktop map application using embedded database such as spatialite

I am relatively very new to building GIS based applications and have a very limited understanding in this area. So I need some help in building a java based desktop application which would generate ...
1
vote
1answer
197 views

gdal2tiles doesn't use resampling method correct?

I'm using gdal2tiles to create tiles from MODIS satellite imagery (250 m resolution) and I have noticed that I get the same bad result if I use -r near or -r bilinear (or lanczos for that matter). See ...
4
votes
2answers
136 views

Is there a software package that allows users to create map tiles?

We would like to create map tiles to be used via mobile device in the field in an offline environment. The imagery will come from our personal collection of aerial images taken via UAV.
3
votes
2answers
240 views

The fastest way of generating tiles from raster?

I have some MODIS imagery 250m resolution covering a large area which I generate tiles from using Mapnik and generate_tiles.py script. I need to run this script every day with new satellite images, ...
0
votes
0answers
227 views

load custom tile over google map (on location) in android

Is there a way to load a custom map of a country over the existing country in google maps? I'm able to load my custom tiles with tileOverlay but they show in the upper-left corner of the google map ...
1
vote
0answers
131 views

GDAL and Python: How to “pad the extent” or otherwise handle band.ReadRaster() for area falling slightly outside the image bounds?

In a nutshell, I'm trying to create a bare-metal tiling utility using GDAL and Python. As you can see in the graphic below, which shows the perimeter of a raster and the OSM-structured tile index, ...
3
votes
2answers
374 views

Access Stamen tiles flavors with OpenLayers

i'm using OpenLayers (v2.13.1) and would like to use Stamen Toner tiles as background. The example is simple to understand : http://maps.stamen.com/test/openlayers.html But i'd like to use the ...
3
votes
5answers
1k views

Automatically download and merge webmap tiles into one big image?

Is there an easy way to download a bunch of web map tiles (in /z/x/y.png format) and stitch them together into a single large image? I could probably script this using ImageMagick, but would prefer ...
2
votes
1answer
129 views

gdal2tiles.py generating black tiles from .img file

I have a source HFA Erdas Imagine (.img) file which I'm trying to convert into tiles using gdal2tiles.py. I'm running: gdal2tiles.py -w google -g GOOGLEKEY input_file.img The HTML is generated ...
5
votes
2answers
128 views

ArcGIS Server: Limit creation of cache tiles to certain areas by providing a feature class

This is my first question on stackexchange; I hope it's O.K.! I am publishing a map service to ArcGIS Server 10.0. I cannot succeed to limit the creation of tiles to certain areas only, instead of ...
2
votes
0answers
245 views

Buffering a Raster with GDAL and Numpy

I am using GDAL to convert a raster dataset into a numpy.array and then using numpy to buffer the data in the raster. For example, I need to know all the regions within 100ft of a school point ...
4
votes
4answers
5k views

download ESRI World Imagery basemap for offline use?

So our search and rescue team would like to be able to view ESRI's World Imagery basemap through the free tool (ArcGIS Explorer). Thing is, we will be offline when we are in the field. So - is there ...
2
votes
1answer
1k views

Manually building a tile server

I use this instruction http://switch2osm.org/serving-tiles/manually-building-a-tile-server-12-04/ I have the problem on the step "Starting your tileserver" sudo mkdir /var/run/renderd sudo chown ...
1
vote
3answers
262 views

Stitch mapbox tiles

I have customized mapbox tiles and i need to print it on A2 size paper on high zoom level at around scale of 500 to 1000. I am thinking of stitching the adjacent tiles together to form a single big ...
3
votes
1answer
1k views

Tile server with dynamic mapnik rendering, caching, and pre-emptive rendering

I've been making some pretty (but computationally expensive) tiles with TileMill and I'd like to serve them up. First, I served them straight from TileMill. Every tile gets rendered dynamically, ...
1
vote
0answers
483 views

How to generate JPEG tiles using gdal2tiles.py

I am using gdal2tiles.py to generate tiles and packing it into MBTiles using mb-util. gdal2tiles by default generates PNG tiles. When I convert PNG tiles to JPEG large black area around tiles are left ...
1
vote
1answer
221 views

Mosaic Imagery to Tile Grid

I am hoping to come up with a script that would allow me to mosaic imagery into a polygon tile grid. My hopes is to do this with gdal or QGIS. I am wondering if anyone knows of an existing script, ...
1
vote
1answer
90 views

Can GeoWebCache serve tiles from blobstore?

Currently I use MapProxy to serve custom sqlite tile stores with a certain schema. I would like to enable GeoWebCache to do the same, but I don't know if GWC work the same way that mapproxy does. ...
0
votes
1answer
162 views

Modify Map Service Symbology via Esri JavaScript API

I have a JavaScript application built on the Esri JavaScript API that is consuming a feature service and a tiled map service from ArcGIS Online. I developed a widget that allows the user to change ...
2
votes
0answers
153 views

Splitting a bounding box into n amount of bounding boxes

Firstly, I've never worked in the GIS area before nor do I have much knowledge of the mathematics behind some of the stuff I am trying to implement. Perhaps i'm getting in over my head. My Situation ...
1
vote
1answer
55 views

Using the GeoWebCache expireCacheList parameter

I've just started looking at the cache expiration parameters for GeoWebCache and came across something that really confused me. In the documentation it says in its explanation for the <minZoom> ...
1
vote
0answers
276 views

gdal2tiles.py problem - creating mini tiles

I have a similar problem to the issue posted here (gdal2tiles problem). I have 80 GeoTIFFs (4000x4000) with EPSG:27700 projection embedded and TFW and PRJ files. These I have built into a virtual ...
1
vote
1answer
124 views

Gdal image georeferencing and gdal2tiles image flip question [duplicate]

I'm georeferencing an image using gdal and the following command: gdal_translate -of Gtiff -co tfw=yes -a_ullr 0.016264915466308594 51.505109712517786 -0.0024890899658203125 51.492018739579336 -a_srs ...
2
votes
0answers
34 views

Protect our WMS map tiles to only accessible from our site [duplicate]

We are using geoserver (2.3) to serve WMS map tiles generated from mapping data we licenced. We use leaflet on the client side to show the map (part of a ruby on rails site running on heroku). Because ...
2
votes
0answers
60 views

How can I figure out whether a sphere is intersecting the Earth between a given lon/lat range?

Given a lon/lat range that represents a tile on the Earth's surface, I need a computationally efficient way to figure out if a spherical volume defined by a point (assume ECEF coordinates) and a ...
1
vote
1answer
139 views

Gdal2tiles with tif projection failure

I downloaded this .tif image of the world (small version) from Natureal Earth and tried to convert it to tiles using Gdal2tiles in OSGeo4W. In the terminal, I used the following commmand: gdal2tiles ...
2
votes
3answers
1k views

gdal2tiles.py generates wrong tiles / MapTiler the right ones

I'm trying to generate tiles with gdal2tiles.py and the resulting tiles are stored as 18/132639/164219. If I do the same thing with MapTiler (the GUI variant of gdal2tiles) the tile result is ...
2
votes
4answers
1k views

Cache tiles for offline use of Google/Bing aerial maps

I am currently working on a project where QGIS is used for creating and editing vector data and requires a Google or Bing aerial photo layer as a basemap. I can add Google satellite/Bing aerial ...
0
votes
0answers
60 views

Tiles cover Polygon on zoom and move

i'm using OpenLayers.Geometry.Polygon.createRegularPolygon to generate some nice circles. After i draw them to the Map i'm Moving them and after some while they where hiding by some tiles. The circle ...
1
vote
1answer
284 views

Get latest tiles from TileMill's tile server in Leaflet

My leaflet app gets the tiles from TileMill's tile server in the standard way: L.tileLayer('http://<myip>/tile/SteveCountryVic/{z}/{x}/{y}.png', { ... }); These tiles are often old, not ...