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Questions tagged [tiles]

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

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4 votes
2 answers
1k views

Clip GeoTIFF into small patches using rasterio and patchify Python

I need to clip a large GeoTIFF into small equal patches to train a Convolutional Neural Network. My patches should have 512x512 pixels and overlap 128. To do this I'm using rasterio and patchify. ...
0 votes
0 answers
12 views

Open Source Compact Cache Server

I have been given an ESRI/ArcGIS Compact Cache bundle, that I want to serve up on an offline system for consumption by a range of GIS tools. Is there a recommended tool/server for serving up this ...
1 vote
1 answer
269 views

What does "tiles" usually mean in a GIS context?

I've seen the word thrown around a lot and from the way I've heard it used, there is an approach to dividing the world up into squares with various zoom levels as an effort to speed up web rendering. ...
0 votes
0 answers
10 views

GeoServer GeoWebCache in pending state for indefinite period

I am using GeoServer 2.25.x deployed on EC2 instance. I have configured tile layer with GeoWebCache to create tiles. My volume where I was creating tiles was getting out of free space, so I stopped on ...
0 votes
1 answer
631 views

Rotating raster before tiling

I have a set of referenced rasters (.tif), which need to be tiled but each of them need to be rotated by a certain degree before that using python (gdal mainly as other routines use it as well). In ...
2 votes
2 answers
573 views

How to use gdal to generate overview tiles from existing zoom level 21 tiles?

I have multiple PNGs in a quadkey format for zoom level 21, for example: 023012311121232233120.PNG 023012311121232233121.PNG 023012311121232233122.PNG 023012311121232233123.PNG etc.. I used ...
0 votes
0 answers
52 views

Raster map tile server service and configuration

My question is very similar to AWS configuration for running low-to-medium bandwidth Web map app, but I am seeking current advice since it is from 12 years ago. I'm interested in what services and ...
-1 votes
1 answer
947 views

Converting GeoJSON file to XYZ tiles

I have a shape defined in the GeoJSON file. As it's quite huge, I would like to convert it to XYZ raster tiles. Is there a utility, which can create XYZ pyramid for me at once?
1 vote
2 answers
3k views

Directly generating XYZ tiles from GeoJSON

I would like to directly generate XYZ (=raster) tiles from a ~20 GB large GeoJSON file. This is way too much for QGIS Tiler. As another trick I've generated vector MBTiles from the GeoJSON, but sadly ...
0 votes
0 answers
26 views

GeoServer Tile Layer re-seeding taking a lot of time

I am using AWS EC2 instance with 16 CPU and 32 GB of RAM. I have configured a tile layer with file blob storage and generated tiles from LOD 0 to LOD 15. The tile generation takes about 2 hours and 30 ...
2 votes
1 answer
57 views

Getting tile bounds for EPSG:25833 WMTS tile using Python

The Norwegian Polar Institute provides this WMTS endpoint. I can successfully open the tileset in QGIS, and observe the queries made, using the Debugging/Development Tools (F12): One such query is ...
1 vote
1 answer
51 views

Translation of slippy map tile names to TMS tile names

I am using mapproxy to serve slippy map tiles. I noticed that there are several URLs which return the same tile. Example I Below is slovakia.yaml (based on this thread). Local service can be launched ...
6 votes
1 answer
3k views

Fast Dynamic MVT generation

I am trying to migrate from serving static MVT to generated on the backend by PostGIS with ST_AsMVT(). Or find a way of minimizing the time of building MVT from the database. I have a dataset of ...
2 votes
0 answers
132 views

Using MapProxy to create slippy map tiles with EPSG:25833 supporting WMTS endpoint

The Norwegian section of the JOSM basemap list mentions the NPI Svalbard Orthophoto basemap. It is a WMTS endpoint serving orthophotos tiled using EPSG:25833. I would like to have an endpoint which ...
2 votes
1 answer
951 views

How to load WMS info to an XYZ tile using MapProxy

I am trying to create XYZ tiles from a WMS source. I tried to do it somewhat manually, run into problems (described here), so now I would like to do it using MapProxy. I follow the Getting started ...
0 votes
1 answer
658 views

Export an Landsat image from ImageCollection from GEE to drive

I'm trying to export an Landsat image from GEE to a Drive, but the Export function that I applied gets 14 images (13 contain NoData and 1 the image). This is my code: function applyScaleFactors(image) ...
1 vote
1 answer
256 views

Translating own OSM server tile to English (ubuntu 18.04)

I have created a OSM tile server using the https://switch2osm.github.io/ tutorial for ubuntu 18.04 with great success but no matter what I cannot display the map labels in English only, I have tried ...
0 votes
0 answers
25 views

What is the most efficient input for next zoom levels in tiling pyramid?

Lets say we have an input rasted image of some resolution/quality. Also, we have some target resolution/quality we aim for for our tiles. We start tiling process with downsampling image for highest ...
1 vote
0 answers
41 views

Obtaining rendered data (mapnik)

I want to extract data (city, town and village names) that will be visible when viewing at zoom levels 1 to 10. You can see that even at zoom level 8, only few city/town/village names are visible I ...
0 votes
1 answer
346 views

Prevent sending too many requests while zooming/paning (OpenLayers 6.15)

I have a web page that displays WMS data from a WMS server, using a TileLayer. The images are fetched with a callback function called by the setTileLoadFunction(..) method of the associated TileWMS ...
1 vote
1 answer
741 views

OpenLayers WMTS reprojection

I have a WMTS service URL, which gives me three layers in projection - WGS84_Pseudo-Mercator (tileMatrixSet). It's very easy to add them using this guide -> https://openlayers.org/en/latest/...
0 votes
2 answers
882 views

Unable to set zoom level when convert tif to mbtiles using gdal_translate in QGIS

Continue from this link, for my situation, the only way to generate .tif to .mbtiles is gdal_translate in QGIS. This is the .json after using gdal_translate Setting: GDAL > Raster conversion > ...
1 vote
1 answer
40 views

Tiles getting generated in both PostgreSQL and gwc directory?

I have a GeoServer 2.21.0 installed on EC2 instance with Ubuntu server. Initially I tried creating tiles in with default blob storage on file system which is the geoserver/data_dir/gwc directory. Soon ...
0 votes
1 answer
243 views

Local OSM Tiles - ways to reduce number of tiles [closed]

I'm developing a PC application that uses local OSM tiles. I'm using OSM docker from switch2osm to generate XYZ .png tiles for a given area and supply directory with tiles to our clients with our app. ...
0 votes
1 answer
39 views

How to merge OSM and Microsoft/Google building footprint data

How can I successfully combine Open Street Map vector data with the latest building footprint data from Google/Microsoft or Overture Maps, and convert the result to a PMTiles file successfully? The ...
1 vote
0 answers
68 views

Get data about rendered entities (mapnik) for each zoom

I'm using mapnik (mod_tile + renderd) to generate tiles based on data from PostGIS. The data is very simple, several countries with roads, names, etc. There is a style description file (xml), where ...
0 votes
0 answers
34 views

GeoServer mosaic - Innertiling slow

I have mosaic rasters/vectors from db - as a layergroup. Individually layers do work quite well, and as a group decently at mid zoom/low high, but when zoomed to close, rendeering gets really slow. ***...
0 votes
1 answer
223 views

How to convert an FAA Sectional GeoTIFF maps into slippy map tiles

The FAA publishes aeronautical maps for the US in a GeoTIFF format: https://www.faa.gov/air_traffic/flight_info/aeronav/digital_products/vfr/. I would like to convert the GeoTIFF into a tile set (in ...
3 votes
2 answers
3k views

Basic Authentication in Leaflet

I'm using Leaflet to display map tiles. The map tiles are loaded from a different site using basic authentication. So the url template looks like this: L.tileLayer('https://username:password@example....
1 vote
1 answer
169 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
1 answer
109 views

GDAL with ECW support on Windows

I have an 84GB ECW image I'm trying to split into tiles. Can anyone help me figure out how to install the ECW plug in from Hexagon for Windows (https://supportsi.hexagon.com/help/s/article/ERDAS-ECW-...
3 votes
1 answer
2k views

Serving OSM tiles - mod_tile/renderd/postgresql problem: I sometimes get 404 Not Found

When I request tiles I get sometimes 404 Not Found. Usually, if I request the same tile again it appears alright (with 200 OK). This is what I found in renderd logs: renderd[734]: An error occurred ...
1 vote
1 answer
214 views

How do I omit empty (black) tiles from a QGIS raster export?

At the moment I'm deleting these manually after export and I'm curious if there's another way. I've currently imported a transparent TIFF layer and georeferenced it to Bing. I'm then exporting with ...
0 votes
0 answers
39 views

Northern latitudes stretch vertically when generating tiles for Leaflet

I'm slicing a large image in QGIS. The image looks great in QGIS. This is a piece of the Greenland playing field. (This is the playing field for the game, each square is a region that the player can ...
0 votes
1 answer
205 views

Create tiles for leaflet.js

All I am trying to do is create map tiles from an image to be used on a webiste. The only program I have found to do this is MapTiler, however it adds a watermark. Does anyone know how I can create ...
0 votes
2 answers
267 views

GeoWebCache (GWC) "crashes" while seeding Tiles from large orthoimage (TIF; >10GB, 1cm GSD) in Azure BlobStorage

Since three weeks we try to handle our large orthoimages (output agisoft/drones) in Geoserver. The orthoimages are approximately 10-15GB and have a ground sampling distance of 1cm. We have to host the ...
3 votes
1 answer
281 views

QGIS clipping virtual raster into tiles using grid layer (polygons)

Using QGIS I want to clip a 100gb VRT raster (UAS) into tiles using a predefined polygon grid (polygon gpkg). I want each tile file to be named by the value contained in the "grid_square" ...
0 votes
1 answer
76 views

Serving Terrain RGB tiles from XYZ / GeoTIFF files

I am trying to find a way to serve Terrain RGB tiles like these: https://blog.mapbox.com/global-elevation-data-6689f1d0ba65 from a local server for a very large area. My source files are GeoTIFF files ...
0 votes
1 answer
456 views

Create a Map Tile Server in Windows

I need a Tile Server to use in another application (Traccar) that will work on a Windows machine without a network. However, I saw that to make this work I would need a Tiled Map and a Tile Server. As ...
1 vote
0 answers
31 views

GeoServer: permission only to gwc?

Is it possible to setup the GeoServer that a normal user of the GeoServer could only see/control the tile-caching part of GeoServer? like in 1
0 votes
0 answers
76 views

Using Baidu Map tiles in QGIS [duplicate]

I am currently studying the Chinese city of Shenhzen and would like to use Baidu map tiles in QGIS. I tried using this XYZ url: http://online1.map.bdimg.com/onlinelabel/?qt=tile&x=%7Bx%7D&y=%...
0 votes
0 answers
174 views

Loading "tiled" open map with WMTS in Google Earth

How can I load in Google Earth a "tiled" open map with WMTS? I was looking of an Open Source Map with high density contour level curves, and I found this MapServer website (ESRI World Topo ...
0 votes
0 answers
39 views

QGIS - add OS NGD Tiles - API as a vector layer

I have been making good use of QGIS and found the help files able to get me through most problems, although now I am completely stuck at trying to get the "OS NGD API - Tiles" vector tiles ...
0 votes
0 answers
47 views

Replacing Tile Server

I have an existing GUI desktop application that consumes tiles in a {Z}/{X}/{Y}.png format from a cloud server using this guide https://www.linuxbabe.com/ubuntu/openstreetmap-tile-server-ubuntu-18-04-...
18 votes
6 answers
6k views

AWS configuration for running low-to-medium bandwidth Web map app [closed]

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 ...
0 votes
1 answer
164 views

leaflet-simple-map-screenshoter cannot load custom tiles because of CORS error

If I try to make screenshots with my custom tiles, I am getting CORS errors. If I use mapbox or openstreet map tiles, I don't have any issues. I don't get any errors if custom tiles are used in ...
4 votes
2 answers
2k views

How to open Cesium 3D tiles with QGIS 3

How to open Cesium 3D Tiles with Qgis The format is not available but this is an OGC standard: https://www.ogc.org/standards/3DTiles GeoPackage seems to be working on adding the extension: https://...
1 vote
1 answer
61 views

Cannot display WMS tiled layer from GeoServer(GWC) in ArcGIS Maps SDK for JavaScript 4.29

I have WMS tiled service, (I guess it´s WMS-C from GeoWebCache(GWC) according to the url composition, and it´s also WMS-T with TIME dimension) at URL like this: https://mapy.meteo.pl/geoserver/gwc/...
33 votes
6 answers
29k views

GeoJSON too bulky

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
2 answers
121 views

Expand the imagery range to more than one tile in Google Earth Engine

I am creating a map layer in Google Earth Engine using Sentinel-2 data and no matter what I set my bounds too I can only get it to display one tile. I know that I have mapped things before that aren't ...

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