An image file containing a section of map.

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2
votes
1answer
399 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 ...
0
votes
1answer
19 views

Display OSGB (EPSG: 27700) ArcGIS tile MapServer in OpenLayers 3

I am trying to add this ArcGIS OS Open Background map service in OpenLayers 3.7.0. http://tiles.arcgis.com/tiles/qHLhLQrcvEnxjtPr/arcgis/rest/services/OS_Open_Background_2/MapServer I set the ...
29
votes
5answers
8k 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
24 views

Retrieve MapBox tiles in vector format rather than raster

I am using MapBox and I would like to render my tiles directly from vector format but I was not able to find how to retrieve the tiles in vector format rather than bitmap. So, when I use this url: ...
0
votes
0answers
12 views

Getting WMS tiles as pyramid in bbox

I wan to get 256px tiles of a geoserver wms service. I specified a bounded box like this: -87.746754646322, 41.894876003264 -87.710705757162, 41.869813442229 But tiles are pyramid format. Wms ...
0
votes
0answers
34 views

How to offset XYZ tile layer in OpenLayers 3?

I have an OSM layer and a layer with own tiles of the type "ol.layer.Tile" with "ol.source.XYZ" source. Both using 256x256 px tiles. Unfortunately, the areas in both layers are not congruent (i.e. ...
0
votes
1answer
558 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 ...
0
votes
0answers
27 views

Tiles not loading in openlayers map

im trying to make a fictional world map for a game in openlayers 3. I have my high res img (4096x4096 pixels) tiled up for 4 zoom lvls (with 0 zoom lvl being 4 tiles). I fought my way through ...
1
vote
1answer
704 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
339 views

Looking for RMaps SQLite format details

Locus Maps and Rmaps Android maps support an offline sqlite Format called Rmaps. I am trying to find the format details and how its organized. I couldn't, is there any dependable documentation online? ...
0
votes
1answer
30 views

OpenLayers tiles from reprojected mapdata mixes zoom levels

We have a map tile layer on OpenLayers where original projection is EPSG:3067 and it is reprojected to EPSG:3395 projection. The map is coming there quite ok, it has not the tiles as straight squares, ...
3
votes
0answers
70 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 ...
1
vote
1answer
38 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 ...
0
votes
1answer
35 views

Node JS and Tilestrata to serve SRTM Tiles

Update (Aug. 16, 2015): I emailed one of the authors and it turns out that tilestrata-disk wasn't meant to be used as a "provider" in their system. No wonder! Here's what Brian Reavis said about how ...
0
votes
0answers
11 views

Can't set cache on tilestache

I've successfully installed tilestache on my server and able to load a geojson from it. But when I change the config file to use disk cache, the server return 500 on requesting the tiles. What I add ...
2
votes
3answers
276 views

Prevent Leaflet from requesting non-existing custom tiles

I have created custom tiles using TileMill. extracted tiles as png images and adding them on base layer. using following code var venu_map = new L.tileLayer('static/b18/{z}/{x}/{y}.png', { ...
1
vote
1answer
32 views

Leaflet map isn't loading in the correct location

I'm currently working with Leaflet and a dockable web framework called Golden Layout. I'm trying to load tiles into the map, but they are not loading properly and I'm not sure why. Currently, I have ...
1
vote
1answer
578 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 ...
0
votes
1answer
46 views

How to optimise rendering of layer-groups in Geoserver

I am running GeoServer 2.8 on Ubuntu 14 as a WAR in Tomcat 7. I have an 8 core machine with 16GB of RAM and have allowed a generous Heap size of 4GB. I have JAI installed and enabled. Meta tiling ...
0
votes
0answers
30 views

Openlayers 3: Custom Tiles 512x512 with specific folder structure and uncommon file names

I would like to use custom tiles of the size 512x512 pixels with a specific folder structure: "http://localhost/{z}/{x}_{y}_512_512.png" Unfortunately the folder names do not correspond to the ...
2
votes
1answer
41 views

Mbtile To Geopackage and Vice versa

Considering the new open format offered by OGC, Geopackage, on top of vector data (like that of shapefiles), it supports map tiles as well. The functionality is similar to mbtile format founded by ...
0
votes
1answer
36 views

Pre-load tiles in OpenLayers 3

I need to preload images (.png) / tiles in my own source: new ol.source.XYZ ,which can it run fast to move and zoom in mobile devices. I used ...libs/ol3/3.7.0/ol-debug.js and as urls: urlArray ...
1
vote
0answers
19 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 ...
1
vote
1answer
179 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 ...
0
votes
0answers
14 views

Generating tiles from PostgreSQL with GeoWebCache

Can GeoWebCache generate tiles from PostgreSQL osm2pgsql-based database like mapnik utils? My purpose is getting tiles for my area from OSM data. I've already imported osm file into PostgreSQL and ...
0
votes
0answers
18 views

Using GDAL Convert .SHP to GEO TIFF in Command Line Python [duplicate]

I have dozen Shape files (.SHP) with Georeferenced. I need to convert to GeoTiff or other format that GDAL primarly gdal2tiles.py to convert to MBTiles format. All I want is convert the .shp files ...
2
votes
2answers
1k views

Problem in displaying tile images using openlayers3

I have problem with displaying my TMS layer using OL3. This is my first time working with tile images this way so maybe it doesn't have to do anything with ol3, maybe I just don't understand it right. ...
0
votes
1answer
23 views

figure out if every tile is loaded

Is there a way to figure out if every tile of an ol.source.TileWMS is loaded? My attempt so far is the following: var tileColl = new ol.Collection() tileColl.on('change:length, function(e){ ...
1
vote
0answers
35 views

How to run Mapbox Vector Tile Mini Server?

I am trying to make an offline map for the vector tiles that I've exported from Mapbox Studio (mbtiles). I found this : https://github.com/BergWerkGIS/mini-server I have it downloaded on my ...
0
votes
1answer
76 views

How to generate tiled geo/topo json?

Are there any commandline tools can take a Shape File or a geoJson file and generate a tiled version of them?
3
votes
1answer
81 views

Split raster into tiles

I have a raster that needs to be split into tiles (each tile a new raster). I have a Shape file with multiple polygons (these polygons are how I want the raster split). I have Gdal and QGIS. Any ...
0
votes
2answers
85 views

How to transform EPSG:3857 to tile pixel coordinates at zoom factor 0?

I'm creating a Leaflet map with an WebGL overlay (using L.CanvasOverlay) which renders a street network on the GPU. Let's assume I have a point (1497143.62, 6896952.18) in EPSG:3857 and want to ...
1
vote
1answer
40 views

Rendered tiles look stretched

I've setup a tile rendering system based on Mapnik + PostGIS. When I open the data with QGis directly from PostGIS it looks fine; but when I attempt to generate tiles with Mapnik they look stretched ...
-7
votes
3answers
1k views

Delivering map tiles in real-time without caching? [closed]

Is it possible to deliver map tiles quickly over the web without worrying about caching or seeding them? With raster map engines this is a problem because endering raster tiles is resource consuming. ...
0
votes
0answers
27 views

How to create custom tile cache

I have published my Postgis table as wms service with Geoserver. And I want to create my custom tile via wms. For example my map SRID is 4326 and uses OpenLayers. When I add my wms layer on map, wms ...
1
vote
0answers
13 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
0answers
44 views

Converting *.adf files to *.xyz for XPSWMM?

i am trying to convert adf files to xyz files in order to import them to XPSWMM. i also need the elevation values. however, when i use QGIS to translate the raster files (adf files) to xyz these ...
0
votes
1answer
55 views

Displaying raster tiles from OSM data stored in a postgis server

I have been recently tasked with setting up a raster tile server that serves tiles from data pulled from a postgis store. I have managed to get a vector tile server up and running but I'm stuck on ...
1
vote
0answers
38 views

How can I render heatmap contours from QGIS into tiles?

I have a heatmap and contours in QGIS, and I want to export these heatmaps as tiles. This works well with tiff, but I want to include contours into images, to make them look better. In QGIS, I can ...
0
votes
0answers
25 views

Tilestache not giving me individual tiles

I'm using Tilestache to serve some tiles outputted from Tilemil: my cfg file looks this: "layers": { "main": { "provider": { "name": "mbtiles", "tileset": ".../DCMetro.mbtiles" ...
0
votes
1answer
60 views

Leaflet - Can I use a different background tile provider depending on zoom level?

This may look strange, but I cannot made up my mind between providers of satellite tiles for Leaflet. ESRI sattelite looks beautiful, but cannot reach the zoom level I need. HERE is not nice on low ...
1
vote
1answer
48 views

Reusing tiles between zoom levels of Leaflet?

I have a Leaflet map with a GeoJSON Tile Layer and a custom backend for serving geoJSON tiles. The geometries returned from the backend are simplified depending on the zoom level, but within certain ...
1
vote
0answers
24 views

How do I fix my SLD tile heat map when it comes up as dots?

I am currently working on an SLD heat map on GeoServer that uses tiles.There is a point in each tile with the data. From far away, the heat map looks normal. But up close it just becomes little ...
0
votes
0answers
57 views

Free Android library to display tiles

I have a set of tiles for a certain area, I have to load them in the client, and draw some points,lines on the tiles. Generally there are some opensource android library like osmdroid, mapsforge and ...
3
votes
1answer
86 views

Is there a way to reduce tile processing from Openlayers 3 when user pan & zoom a lot?

I have 2 overlays with local tiles (xyz) on my map. When the user zoom in / out and pan the map intentionally a lot, the app becomes very slow because OL tries to render all the tiles it was requested ...
0
votes
1answer
69 views

How to prevent Leaflet from loading tiles from server

I am currently developing a couple of solutions with LeafletJS and it frustrates me that my Firefox browser loads the tiles from the server (e.g. Stamen or OSM) and not from cache every time I reload ...
0
votes
0answers
22 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 ...
1
vote
0answers
41 views

TileStache PNG Optimization

A Tilestache config file has a "png options" object that passes its config straight through to the Python Imaging Library (PIL). Setting optimize: true does some kind of optimization as the file is ...
0
votes
0answers
43 views

How to get an offline TileServer on Windows

I want to find the "prepared" OSM tiles of the any cities which have composed like /{z}/{x}/{y}.png catalog. I quite newbie in the TileServers and don't want to use any seeding process for that. Is ...
0
votes
1answer
27 views

Reprojection not generating properly the tiles

I am executing this query with cartodb.js. I am moving the markers radomnly to generate a new layer. cartodb.createLayer(map, { user_name: 'mickemr', type: 'cartodb', sublayers: ...