A collection of image files each containing a section of a map, or remote sensing scene.

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2
votes
2answers
103 views

How to make a square out of two points?

I have a csv file with two x and y columns. (x,y,x,y). The coordinates represent tiles which I want to visualize in ArcMap. But I dont know how to do it. As you can see in the picture below, given ...
3
votes
1answer
77 views

Setting up Tile Map Service on Apache

I am trying to set up a tile map service on Apache. I tried following this: Setting Up a TMS Tile Map Service on a Web Server but when I go to load the page it's not loading the images in my ...
3
votes
2answers
181 views

Get/Define extent of ol.source.tile xyz

I have a series of tile sources equating to different map providers at specific resolutions and I would like to set an extent so that when the relevant layer is selected, the map pans and zooms to the ...
0
votes
0answers
66 views

How to have same baseLayer and overlay layer in leafletjs

I am using leaflet.js with baselayer tile url: L.map('map', { maxBounds: this.bounds, maxZoom: 13, minZoom: 3, ...
1
vote
0answers
24 views

QTiles Plugin maximum store support, intensive computing time?

We try to compute 187 000 tiles with QGIS plugin QTiles in zoom level 18 (around 3000 square kilometres). There are 25 layers in there (mainly polylines and polygones). It took much longer than usual ...
5
votes
2answers
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?
1
vote
1answer
890 views

Transforming between epsg:3857 and Google Maps Tile coordinates

Hio, I used to use a simple python project (https://github.com/hrldcpr/mercator.py) to convert between wgs84 and google maps tile coordinates. This project doesn't have a license, and looks like it ...
1
vote
0answers
36 views

ArcGIS for Server cached map service - jumbled tiles issue

Using ArcGIS for Desktop 10.3.1 and ArcGIS for Server 10.3.1, I am trying to create a cached map service. It includes a raster image (that i've added to a mosaic dataset) and a few vector layers. I ...
2
votes
1answer
281 views

QGIS 2.8.1 print composer wont export all OpenCycleMap base layer tiles

My set-up is Linux Mint 17.1, 32- bit system, QGIS 2.8.1-Wien. I have a map with few layers including OpenCycleMap as a basemap. In Print Composer the extent of the map is 32.5km x 22km square and ...
3
votes
3answers
2k 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, ...
4
votes
1answer
884 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 / ...
1
vote
0answers
58 views

Example for creating tiles from image for use in mapbox-(gl)-js

I'm facing weird random tile selection issues (like floating precision causes a wrong tile to load) when using some existing static tile data with mapbox-gl-js. I'm therefore searching for an ...
0
votes
0answers
52 views

Tile layer (zxy) in ArcMap

Is it possible to consume tiles {z}/{x}/{y}.png or jpg in ArcMap? I heard about arcbrutile but I need an xml file to add each provider and I don't have access to this files.
0
votes
0answers
132 views

WMS getmap tiles not matching in google maps API

I am trying to see a WMS layer above Google maps API's satellite baselayer. When building the WMS URL string I am using WIDTH=256 and HEIGHT=256 which I think is the default. The thing is that the ...
2
votes
2answers
625 views

QGIS project to TMS tileset?

I'm trying to turn a QGIS 2.4 project into a TMS tileset. What method have folks used, with what success and what level of effort? The project in question has about 50 layers and uses OTF projection ...
1
vote
1answer
64 views

migrating geotiffs to iGIS tiles

I recently shifted maps and waypoints from Delorme Xmap to QGIS on my Mac and wish to use iPhone/iGIS as the GPS (together with the Garmin GLO receiver). Everything is good in QGIS, but I need USGS ...
1
vote
0answers
63 views

Disk usage for Europe (OpenStreetMap)

I would like to know a disk space usage for Europe extract (Nominatim, tile server, both data structures and rendered tiles). I have currently map server with an european country extract and I tried ...
2
votes
1answer
1k views

Implementing OpenLayers3 basemap from tiles created using gdal2tiles

I recenty discovered the gdal2tiles.py tool which is working great with OpenLayers 2.x, but I wanted to use the new release of OL and I'm having some troubles. I have googled for a solution but i did ...
3
votes
1answer
253 views

Using Waze map tiles with Leaflet

I came across this Map Comparisons where they have used Waze map tiles. I searched around and couldn't find any official documentation for using Waze tiles in leaflet. I couldn't even find their ...
2
votes
1answer
33 views

Indexing PostGIS table by tile boundaries

I have a PostGIS table with 2M rows, all Points. I'm creating tiles from the data, but it's quite slow. Although I have the normal geometry indexes enabled on the table, I wonder if it's possible to ...
2
votes
1answer
66 views

OpenLayers 3: Can I set a default “error tile” for when a tile is not available?

Many of my map layers are zoomable to zoom level 21, but one of my basemaps is only zoomable to 18. When I zoom past this level with that particular basemap activated, the background goes white. I'd ...
1
vote
0answers
45 views

Old imagery WMTS

I am looking for a web imagery tile service that provides old imagery, in the same vein as Google Earth's old imagery, but one that could be integrated into an OpenLayer or Leaflet map. Any idea ? ...
2
votes
1answer
61 views

Free software to publish tiles on Amazon S3?

Does anyone know of free software that would allow me to publish tiles on Amazon S3? I know of Arc2Earth, but it is not free.
0
votes
2answers
81 views

How can I render a single raster from a pre-tiled map?

I have a pre-tiled Slippy map data source. How can I render a non-tiled raster image for a given bounding box, without having to add each PNG file and its extents manually in something like Mapnik or ...
2
votes
1answer
73 views

Using lastile in QGIS

I want to tile one large las tile into a few minor. But I just can't get it done. My original las file have around 30 million points and I want to get 6 smaller las files with 5 million points in ...
1
vote
0answers
81 views

QGIS Openlayers tool not showing tiles, but showing question mark

We have a proxy server which I've added to QGIS, but when I load openlayers, I get a grid with lots of questions marks, yet the watermark is supplied; any ideas? Fiddler doesn't show anything out of ...
32
votes
5answers
11k 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
0answers
55 views

Issue with TileStream Tile URL

First of all I'm new to Tilestream, MBTiles and GIS. As a part of of learning purpose I set up Tilestream with the help of tilestream tutorial and copied two MBTiles file to the tiles folder I am ...
3
votes
1answer
63 views

Get tile layer intensity at given zoom and longitude/latitude (Leaflet)

I can display a tile layer as an overlay in Leaflet via an url of the form path/to/my/tile/layer/{z}/{x}/{y}.png : my_overlay = L.tileLayer('http://path/to/my/tile/layer/{z}/{x}/{y}.png', { maxZoom: ...
1
vote
1answer
21 views

Recentering a tiled raster table in PostGIS?

Does anyone know a nice and easy way to recenter a tiled raster table in PostGIS? By recentering I mean that I have a raster that is centered on the Pacific, but I need to recenter it on ...
1
vote
1answer
48 views

The tiles of the basemap cannot be downloaded due to a security issue while the map is not secured

The tiles of the basemap cannot be downloaded due to a security issue while the map is not secured. Despite the fact that the basemap was shared with everybody on the ArcGIS Online (AGOL), the ...
0
votes
0answers
34 views

Finding seasonal satellite map tiles?

I am working on an exhibit/geospatial visualization which shows the migration of marine animals over time throughout the year. I am searching for seasonal satellite map tiles. Does anyone know of any? ...
3
votes
1answer
192 views

QGIS: how to set transparency for OSM tiles layer?

I'm using QGIS 2.8.3-Wien in an Ubuntu14. My problem is the following: I'm using the OpenStreetMap tiles to draw maps of some specific regions. The problem is that, for some urban/rural regions, ...
3
votes
1answer
116 views

Is there any free or open offline satellite/aerial imagery for commercial use?

I'm developing a product for offline use in Brazil in rural areas where there is no Internet connection. I'm searching for a free imagery source which can be used offline in a commercial product. ...
2
votes
3answers
185 views

gdal2tiles and qgis

I have made a tile pyramid of a number of Dutch topographical maps using gdal2tiles. This gives apart from the tiles openlayers.html and tilemapresource.xml. The openlayers shows perfectly and ...
2
votes
1answer
453 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 ...
3
votes
1answer
508 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 ...
7
votes
4answers
4k 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
620 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.
2
votes
2answers
1k 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, ...
1
vote
1answer
297 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
2answers
1k 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
1answer
394 views

gdal2tiles generates small picture inside 256x256 tile

I've used gdal2tiles for generating tiles in number of different polar projections and always experienced the same problem — strange small picture inside normal 256x256 png with the rest of space ...
2
votes
1answer
551 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 ...
2
votes
1answer
160 views

gdal2tiles georeferenced image as overlay not working

Ive been looking for a solution to my problem for some time now. I'm using gdal2tiles-leaflet to create tiles for my Leaflet application. The images i use are GeoTiff's with the embedded projection ...
2
votes
1answer
961 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 ...
1
vote
1answer
265 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 ...
4
votes
3answers
4k 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
1answer
299 views

Can gdal2tiles create tiles at zoom levels > 10?

I am trying to create tiles from tif images using the gdal2tiles command (at the OSGeo4W command line). I've been asked if it would be possible to create tiles at zoom level 12. Using the -z switch ...
0
votes
0answers
44 views

Storing gdal2tiles output directory in MongoDB, add as XYZ layer in OpenLayers

I am regularly running gdal2tiles.py which generates millions of XYZ image tiles for me. Right now I either store these tiles as flat files on a Windows Server file server or I upload a directory to ...