Questions tagged [tiles]

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

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15 views

Generate EPSG:4326 Vector Tiles

My goal is to create EPSG:4326 vector tiles (using Plate Caree) that can be served in Leaflet. I currently have a .shp file, which I converted to a geojson file using ogr2ogr. The main obstacle to ...
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30 views

Data is not appearing in OSM tile server after applying changes to it

Our company has an OpenStreetMap tile server hosted on its own server and domain. Our cartographers draw streets and houses there in edit mode. The problem is that the houses are visible only in the ...
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18 views

Maptiler with leaflet.js npm package renders incorrectly

I had no issues rendering a map with leaflet.js and MapTiler when I imported the leaflet script and css files like this... <link rel="stylesheet" href="https://unpkg.com/leaflet@1.5.1/dist/...
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10 views

Create tile package using ArcGIS with existing images of zoom levels

I have images of different zoom levels of a region (like 20 images for 20 zoom levels, and I also have tiles of these zoom levels. actually I have created these 20 images by combining tiles of each ...
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28 views

Increase number of parallel caching tasks for GeoWebCache?

By default GWC has limitation of 16 parallel caching tasks. Is it possible to increase this limitation?
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31 views

Loading offline tiles as QgsRasterLayer in C++ or Python?

I have created tiles via Qtiles plugin in QGIS. Here is the code snippet I have so far: QString url = "file:///C:/Users/USER/Desktop/TiledMap/{z}/{x}/{y}.png"; QgsRasterLayer * lyr = new ...
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23 views

After creating tiles in QGIS by enabling VRT, I'm getting black color tiles [closed]

I have a big TIFF image and I created tiles of size 512 X 512 but all the tiles colour is black I don't know why.
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1answer
33 views

WMTS from GeoServer to OpenLayers is Unknown TILEMATRIX X

I tryed use default WMTS layer with GeoServer source. Code looks like that: var projection = ol.proj.get('EPSG:3857'); var projectionExtent = projection.getExtent(); var size = ol....
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18 views

Creating custom tiles from information of a node-link graph?

For my thesis I want to visualize node-link graph in form of a Web GIS. The graphs consist of up to 30.000 nodes and edges. I am new to GIS, completely overwhelmed by the tools and techniques and do ...
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1answer
64 views

GDAL - creating tiles from TIFF with world file

Several years ago I created multiple tiles (xyz) from orthophotomaps using GDAL with success but now I'm getting this error and I don't know what I'm doing wrong. This is the error: Traceback (most ...
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38 views

Reloading of failed tiles in OpenLayers [duplicate]

In OpenLayers 5, if loading of some tiles has failed (because of temporary network issue, for example), those tile are never attempted to load again. Is it possible to force OL to retry loading of ...
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1answer
27 views

Is it possible to set a Tile Map Service only by copying the folder structure to a hosted server?

I used gdal2tiles to generate a directory with tiles of a bigger raster. Now, I'm able to see these local tiles on my browser, using the generated web pages (e.g. OpenLayers.html). Thus, I copied the ...
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46 views

Requesting Styled Google Maps XYZ tiles with QGIS seems to ignore colors

At the time of posting this question unauthenticated requests for Google Maps tiles work. E.g. the following URL scheme would correctly load the tile shown below https://mt1.google.com/vt/lyrs=r&...
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1answer
42 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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7 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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40 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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24 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
51 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
59 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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124 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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0answers
25 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
123 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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25 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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0answers
54 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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2answers
358 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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0answers
19 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
59 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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6 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
58 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
57 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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40 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
47 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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16 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
877 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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107 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
43 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
160 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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48 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
218 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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1answer
119 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
244 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
36 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
259 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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37 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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40 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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0answers
74 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
132 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
252 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
76 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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256 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/...