Questions tagged [tiles]

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

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24 views

PyQGIS Loading Project Layers not working

I'm trying to make some map tiles (with a transparent background) showing the speed limit in different areas of the UK. I've successfully managed to do this using the QGIS GUI on Windows 10, but I'd ...
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5 views

Configure my local raster tiles for the local network to open in Qgis 3.4

I had open the raster tile locally as explained in "Using Open Google Earth cache file in QGIS?". I have small local network with 30 systems and want to open these raster tiles in all system from ...
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19 views

Creating virtual tiles of raster in Python?

I have a large raster and want to analyze it on smaller subsets but also want to save space so I am trying to avoid actually tiling the raster. Is there a way to make virtual tiles that python can ...
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9 views

How to setup my Tileserver-php

I have downloaded "xampp-windows-x64-7.3.6-3-VC15-installer.exe" and installed only Apache and PHP. My Apache server is running. I have download "tileserver-php-master" and paste the folder in path ...
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1answer
35 views

Hosting raster tiles on GeoServer? [closed]

I am new to GIS world. I am trying to host raster images (TIFF) which I need to convert in tiles and host on GeoServer and prepare the service URL so that any user using that service zoom to any ...
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1answer
31 views

Tile Grid for Sentinel -1

I'm new with GIS. I would like to know if there is a defined tile grid for Sentinel-1. For Sentinel-2 images, there is a defined grid with UTM code, Latitude band and Square. There is something ...
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35 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 ...
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24 views

Unifying color scale of different tiles in Google Earth Engine?

I found some other posts asked the similar questions but in different tools like ArcGIS, GDAL, QGIS etc. What I want to ask is how to do this in GEE. Now I have removed the bad observation pixels (...
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2answers
81 views

Seeking Leaflet-compatible tile layers for Palestine?

Where can I find a Leaflet-compatible tileset that correctly displays Palestine with its native borders and Arabic-language placenames? I've searched high and low and I've found all kinds of tilesets,...
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21 views

Adding tiled map to QGIS and exporting as web map

I have a set of drone imagery that was processed using Agisoft PhotoScan and converted to Map tiles. I am now looking on how can I add the map tiles in my QGIS for exporting as a web map? I have a ...
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24 views

What would cause a Cesium 3D-Tiles tileset to not even request it's content?

I am generating an I3DM through Python. I know that the I3DM is probably ok, since the 3d-tiles-tools allow me to extract the binary GLTF file from it. However, when I go to render the tileset in ...
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333 views

Remove border lines of SRTM tiles rendered as hillshade

I have downloaded several SRTM DEM raster tiles from https://dwtkns.com/srtm30m/, and created hillshade versions from the tiles. However, upon closer inspection, the hillshade tiles now have border ...
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14 views

GeoServer GWC seeding in 900913 slower than 4326

Using the integrated GeoWebCahce for GeoServer, I am trying to create a tiled cache for a layergroup and having a problem when trying to seed in EPSG:900913. Even after increasing both the minimal and ...
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1answer
47 views

Sentinel 2 tile ids by country [closed]

Is it possible to find all Sentinel 2 tile ids by country? For example, for a country such as China, is it possible to get a list of all Sentinel 2 tiles id? Things I've tried so far include looking ...
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4 views

mapproxy folder “single_color_tiles” not cleaned

I use mapproxy-seed to generate OSM-tiles. In the tile_cache folder there is a subfolder called "single_color_tiles" where most of the tiles are pretty old. My other tiles get overwritten when they ...
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1answer
39 views

GDAL retile to create near-uniform file sizes?

I have a 60Gb raster vegetation dataset. I need to be able to access single pixels relatively quickly. At the moment, I am retiling at a fixed size, and saving those, indexing them in Python, and ...
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1answer
41 views

Blurring raster data across tile boundaries?

I have a raster dataset that is made up of 280 tiles, 51Gb total. I need to smooth/blur the data, retaining the same resolution. I would like to blur across tile boundaries, where possible, so that ...
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39 views

Get a 250x250 tile around a Point in an Image

I am trying to randomly sample 250x250 pixel tiles from a big Image, let's say 40000x40000. In this case the big Image would be the Hansen Dataset. I want to sample points in which a forest loss has ...
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1answer
36 views

Which architecture to adopt when working with tile layers and Cartesian coordinates?

I'm currently working on a webmapping application dedicated to warehouse management. Where data is based on indoor geolocation and Cartesian coordinates system. More precisely, the map background is ...
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13 views

API to fetch Earth Grid tiles / squares, with data on Countries they represent ? (python)

The purpose is to build a dictionary of earth grid's squares: for each square, I know their coordinates and the country they represent. This may be something similar to https://gis.stackexchange.com/...
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2answers
361 views

Download tile layers for use offline

I would like to download tile layers in this form: {atlas_name}/{z}/{x}/{y}.png Because I want to use them offline with my leaflet map. However, I can't find what are the approaches to download ...
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77 views

Get set of 250x250 pixel tiles from an image

I am trying to split the Hansen dataset https://developers.google.com/earth-engine/datasets/catalog/UMD_hansen_global_forest_change_2018_v1_6?hl=fr into 250x250 pixel tiles within a region. For that ...
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1answer
23 views

Change specific tile image source in OpenLayers 5

I defined a XYZ source and added to map var source = new ol.source.XYZ({ url: 'http://blabla.com/{x}/{y}/{z}.png', crossOrigin: 'anonymous' }) During runtime I can access specific tile by map....
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2answers
143 views

QGIS extract QTiles beyond layer extent

I'm trying to export a layer via QTiles, gotten from the Data Source Manager and connecting to (USGSHydroCached). I have QTiles set to zoom levels 0-20 and Render tiles outside of layers extent ...
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34 views

Calculating tile coordinates based on location and crs for ArcGIS maps?

I am working on a solution to download map tiles based on given location:(latitude, longitude) and zoom level Followed https://wiki.openstreetmap.org/wiki/Slippy_map_tilenames The key concept is ...
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1answer
166 views

Using Baidu tiles in QGIS?

I study Chinese cities a lot and would like to use BAIDU map tiles in QGIS. Can anyone advise me on how to go about this? I haven’t been able to find any advice on achieving this on the web.
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74 views

ST_AsMVT single layer with multiple Id's

I'm trying to create mvt using postgis by following this tutorial If understand correctly ST_AsMVT is used to create a layer and generated layer will have id. same id can be used to apply styles. ...
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1answer
113 views

Put custom XYZ tile in Mapbox

How to put custom tiles xyz raster files example : http://blablabla.bla/{z}/{x}/{y}.png I tried to insert it using : map.addSource('bla.tile',{ 'type': 'raster', 'tiles': ['http://...
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1answer
35 views

Easiest way to draw a lot of features over a base map (transparent tiles)

I'm working on a project, where I have to visualise a lot of lines (and dots) on a map. We used to use openlayers, our own opensteetmaps tile server for "background" maps, and then generate a GeoJSON ...
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1answer
171 views

Tile error Google Earth Engine “Some bands might require explicit casts”

I'm getting this error when trying to map the result after calculating the seasonal median NDVI images for a time series with 7 different landsat tiles in Google Earth Engine: Link to the code : ...
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32 views

Finding and fixing source of repeated seed.TruncateTask for empty string errors using GeoServer and GeoWebCache?

Googling this issue is getting me nowhere so I thought I'd cast a wide net here in the hope of getting an actionable lead on this. Our GeoServer instance is configured for GeoWebCache. While ...
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32 views

WorldView-2 Multiple Tiles and single RPC file

I have a set of WorldView-2 L2A images, that have multiple tiles (no overlap). As those images are almost all part of a larger scene, tile numbers are inconsistent with the .TIL file (that contains ...
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69 views

What is difference between BLOB and tile in GeoPackage?

I'm new to GeoPackage, but wrote some code that will read an image file into a buffer and I then insert that buffer into the GeoPackage as a BLOB. The image files are GeoTIFFs which contain latitude, ...
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1answer
92 views

GeoServer pre-generated tiles not working

I have a GeoServer running with a layer that I can load in leaflet using WMS. Currently "caching on demand" seems to work: If I load the map for the second time it loads much faster than loading it ...
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2answers
184 views

Adding WMTS to QGIS?

I cannot add the below map server (Middle_East_Oil_and_Gas_Field_Map_by_CIA (WMTS) to qgis through add WMS/WMTS layer. A connection will not be made to the following URL. URL: https://tiles.arcgis....
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1answer
75 views

Seeking free tile server like mapbox studio?

Is there any free tile service/server like mapbox studio so that I can upload my .shp files and it will work like it does in mapbox studio tiles and get geojson tiles on Leaflet.js map?
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214 views

Using XYZ tiles in QGIS?

I'm attempting to add a weather map layer (a satellite image) to QGIS 3.4.4 using tiles from aerisweather. The URL (with credentials) is https://maps.aerisapi.com/...
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1answer
50 views

Changing apparent scale of tile layers [closed]

There's loads of web-based tile layers out there which are great in many ways, but one problem I'm having is making them look nice when exporting a map to print or as a jpeg. The problem consistently ...
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74 views

Generating a Map (like Google Maps) using HGT files

I'm doing a programming project. It consists of generating a Map (like Google Maps) from height files .HGT Currently, I can read each file .hgt (each .hgt file have 1201 * 1201 elevation data). For ...
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21 views

List of outdated tiles without using psql/osm2psql

I have a .mbtile file containing tile data from OSM. I'd like to keep the .mbtile file up to date with the latest changes from OSM. I don't have a postgres running locally that I could update using ...
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116 views

Creating tiled pyramidal TIFF from PNG tiles that are organized in slippy map?

I have map tiles (Z/X/Y) of a certain location which I serve via a simple web server and add on QGIS for offline usage via the XYZ Tile Layer from the Browse menu. These are to be used in a survey of ...
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37 views

AGOL: Overwrite existing tile service - Invalid min scale in the specified source item

I'm trying to automate updating a tile service where: TPK is generated from a feature class in an .mxd (data frame is web mercator) TPK is pushed up to AGOL Tile Service is published TPK is deleted ...
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122 views

Correct way of setting up OSM tile server with custom styling

I have managed to set up an OSM tile server (Ubuntu 18.04), by using this docker image: https://hub.docker.com/r/overv/openstreetmap-tile-server/ Everything works fine while generating tiles with ...
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33 views

Are there any command line tools that convert GeoJSON to tiles directly

Are there any command line tools to convert .geojson files to tiles in PNG format? I have read about many questions regarding the same but I didn't find any concrete answer/implementation. Planning ...
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18 views

Buggy intermediate datasets in map algebra

I created a for loop to perform a (simplified here) series of operations over tiles from a larger dataset. My initial code looked like this: ext_template = bingmean_odd totalextent = arcpy.Describe(...
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1answer
40 views

Fetching Tiles for Zoom Level from Data Base

I have 6.7 million tiles of 200 x 200 meter each stored in a remote database, Can i plot them on the web dynamically as my zoom level changes or i move towards a new area my DB is queried and files ...
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1answer
198 views

Is there a way to get georeferenced satellite tiles of any location on Earth? [closed]

I'm looking for a way to server or command line interface that a program can use to automatically generate a photorealistic satellite image of any portion of the Earth. It is critical that every such ...
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1answer
642 views

Is it possible to serve vector tiles directly from S3?

I have seen that it is possible to use S3 as a storage backend for vector tile servers such as Tegola. These work by fetching the tile from S3, then serving it through an application server. Is there ...
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243 views

Google Maps - get all tiles locations around a specific latitude longitude

I am currently working on an app that requires the ability to temporarily download Google Maps for offline use. As suggested here using tileprovider I can render my own tiles for offline use. ...
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16 views

s2geometry cell tiling function in Java

Is there any chance to find Java implementation for s2geometry tiling functionality? Are there any analogous libraries for tiling? What Im' trying to do: Split the world on cells up to level https:/...