Questions tagged [tiles]

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

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11 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 ...
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Average of elevation values not for the entire raster but for created tiles in the raster

I have a raster representing the elevation of an entire city (1-meter resolution LiDAR DSM) and I would like to calculate the average height of the features in the city for 200mx200m squares. I am ...
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Lightweight tiler and management for static images

This is only marginally GIS related, but I think that this community will have the most experience with tiling: I am looking for a lightweight framework that can place a large number of high ...
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How are map tiles created?

I have recently been diving into the world of maps and I got interested to know how map services work, like Google, Mapbox, Leaflet, Open Street Maps and many others. I was confused about the ...
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DGM1, virtual raster error

I want to create a virtual raster with DEM1, existing of 133 tiles (QGIS 3.18.3). It show following processing warning: GDAL command: gdalbuildvrt -resolution average -separate -r nearest -...
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TtileProvider blank page - Google Maps API, own tile provider

I'm using Google Maps API to display mbtiles map hosted locally on my server. Tile service works fine (checked via requsts). But when I apply it to my Kotlin app nothing happens. Here's my code: ...
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R - Write a raster object with the pixels transparency attribute

In R, I have a raster object for which I would like to set a certain level of transparency. When I visualize it, everything is fine library(raster) test <- raster(x = matrix(1:16, 4)) plot(test, ...
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Tiling Orthomosiac along a chainage and at specific interval

This is my first post here. Hope I will find an answer. I have an orthomosiac of linear path(Railway) generated using drone images of around 500 km line. My client needs the data cropped at every 500 ...
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Generate a blank basemap tiles for use with Leaflet

I am a complete novice with GIS and have spent the past 3 work days trying to figure out this seemingly simple task. My end goal is to produce a blank basemap of Earth in a style similar to OSM Bright ...
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35 views

Creating same size and quality MBTiles for all zoom levels with one image

I have downloaded a world map from QGIS in TIFF format. Also, I have world map sample in MBTiles format. I need world map 0-19 zoom levels. I have tried to convert tiff with 0-19 to MBTiles, but QGIS ...
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How to transform XYZ Directory tiles to other tile format?

I am quite newbie to hosting / providing tiles. I have created my own tiles in XYZ directory format and my plan was to serve them through an URL like mywebsite.com/tiles/{z}/{x}/{y}.jpg However, I ...
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Add new layer based on GeoPackage raster tiles

I am trying to create a new layer based on a GeoPackage raster file with PNG tiles. When I publish, I get this error: org.apache.wicket.WicketRuntimeException: Method onRequest of interface org.apache....
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How to determine the location and boundary of a tile through its file name?

I generated a map tile set using the Generate XYZ tiles (Directory) tool in QGIS. When I then run gdalinfo on one of these images I see no reference to any spatial information: Driver: JPEG/JPEG JFIF ...
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Download tiles for tiles server

I'm developing some app which is in internal network. Part of this app is draw some data on map (given lat and long). For this I'm using a tile server. But now I need the tiles themself of Israel in ...
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How can I discard rasters that contain exclusively nodata values when creating tiles?

I have a large raster that I want chopped up into tiles. To accomplish this, I click "save as" and check off the "Create VRT" box. I set the dimensions of the output tiles to 40 x ...
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How to get the WMS link from geoportal

I have the address of Israel geoportal and I want to get the WMS link of these data. Actually I just need the satellite imagery data and I want to load it to the QGIS as a reference map. So the ...
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Code for generating tiles/grids on Google Earth Engine [duplicate]

I would like to create a featurecollection of tiles/grids (like attached image) that covers an entire state. Is there anyway to create such a grid where each side of the rectangle is 100-meter for ...
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Does single tile, single date of Sentinel-2 data require BRDF?

I have a single tile of Sentinel-2 Level-2A data from a single date of acquisition. Does this require bidirectional reflectance distribution function (BRDF), or are the angles consistent enough during ...
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Getting the same result from "Generate XYZ Tiles" and "Gdal2Tiles" in QGIS

I am trying to get the same result from these two functions presented in QGIS 3.16. The first one is "Generate XYZ Tiles (Directory)" that it is embedded in QGIS, while the second one is the ...
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Combine tiled layers as one layer in Leaflet

How do I add multiple layers to the leaflet map. I have added the overlay_tile to the tilelayer but nothing happens. tilelayer = L.tileLayer(url_tile,overlay_tile, {noWrap.... My example can only have ...
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199 views

How to compress/split a tiff file (>4GB) in order to work with it in Python?

I have a large tif-file that cannot open with gdal.Open in Python as it is larger than 4 GB. I want to compress this file without losing the initial resolution. I have tried to split the raster into ...
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32 views

Tile URL from ESRI MapServer

I am attempting to get a raster tile URL from an Esri MapServer. The MapServer in question is: https://maps.vcgi.vermont.gov/arcgis/rest/services/EGC_services/OPENDATA_VCGI_EMERGENCY_SP_NOCACHE_v1/...
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185 views

Calculate zoom level given lat long area (slippy map)

I am wanting to calculate the zoom level for a given lat/long area. I am using the OSM/GE slippy map "standard" tile system. The post below answers my question but requires the viewing ...
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QGIS Generate XYZ tiles only if not transparent

I'm generating XYZ Tiles (Directory) from irregularly shaped maps, and tiles are rendered for the transparent areas. Is there a way to prevent the trans? I did write a Ruby script to remove them, but ...
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ArcGIS Online Web Tile Layer for DroneDeploy in QGIS

I cannot seem to make this work and cannot find an answer on the site. DroneDeploy has an app to "seamlessly generate template links for your maps to use as web tile layers in ArcGIS Online."...
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Store pixel acquisition time in tile PNG metadata

I have a global tileset of visual satellite imagery stored and served to a web frontend in XYZ-format. The tileset get's updated periodically, as new images come in. However, when adding new data, ...
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Leaflet custom tiles sizing

I am trying to show my own custom tiles and I am having trouble with the display of the tiles and their sizing. The Entire game map is corresponding to x16384,y16384 Which I confirmed with the ...
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Exporting vector XYZ tiles using pyqgis on QGIS 3.18+

I am trying to automate the exporting of vector tiles using PyQgis. Without automation, using the tool in the processing toolbox called Write vector tiles(XYZ) under the vector tile category, it ...
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Part of raster disappears when zoomed in using ArcGIS Online

I exported my raster in a tile package to use within ArcGIS Online and it worked but when I zoom in the bottom part gets cut off and disappears. I think the issue has to do with the extent or ...
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1answer
128 views

OpenLayers custom tileGrid for scanned map image - How to calculate resolutions?

I'm using OpenLayers 3 and attempting to display a layer based on a custom tile grid in a custom projection (EPSG:4202) on a standard projection map (EPSG:3785). The layer is essentially a photo of a ...
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Mass downloading raster tiles using QGIS

I want to mass download georectified sat image tiles (XYZ tiles) and save them locally. I could setup QGIS so I can see google sat images. So for example, I want all tiles of Los Angeles in a geo ...
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Aligning and overlaying maps from different providers

I am quite new to this whole GIS domain, so I was hoping someone could shed some light into a problem I have been trying to solve for a while. I consume data from 2 different providers: http://www.bom....
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Loading online OSM raster tiles using URL in custom QGIS application (C++)

I am trying to write a C++ version of a custom QGIS (v 3.10) application I initially wrote in Python that overlays data onto OpenStreetMap. I am able to do this successfully by loading online tiles ...
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Tiles don't render or it takes too long

The problem: tiles are being rendered extremely long time (1 day or never) The question: What to do to make tiles loading and loading quickly? How to solve this problem? The description: While trying ...
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1answer
37 views

Getting TMS tiles without clamping to Byte range

How I can get TMS tiles (Z/X/Y.png) without getting them clamped in data range (e.g. GeoTIFF UInt16 -> Gdal2Tiles -> TMS UInt16 instead of GeoTIFF UInt16 -> Gdal2Tiles -> TMS Byte)?
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Tiling raster from QGIS 3.18

I have some large tif raster that I want to use the ImageMosaic feature on Geoserver to serve. I am viewing them in QGIS and have been through every plugin, tool and saveas VRT option I can find but ...
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WMTS EPSG:4326 tilegrid with origins beyond the normal range of values for longlat (i.e. -180 to 180, -90 to 90)

Apparently such values do work in leaflet and openlayers (I assume they ignore the longlat implications and just treat the values literally to load the tiles properly), but is this considered a proper ...
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1answer
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Load tiles from ArcGIS MapServer into R

I am attempting to load static tiles from this ArcGIS MapServer into R, and generate static maps with tmap 3.3. The package has a pretty convenient way to do this in view-mode, generating interactive ...
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Converting XYZ tile request to EPSG:27700 XYZ tile request

I have a dataset that is in EPSG:27700 projection, but I have a tool that requests tiles for standard XYZ tiles. So the endpoint currently returns tiles from localhost:3000/z/y/x.png (but it's in ESPG:...
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Selecting attributes by coordinates from DataFrame in Python

I wonder how to return the right information needed from this df. Currently I get an empty return. I think the problem is my selection because the coordinates are correct and all variables are as well....
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Fill in empty space in raster image QGIS

I need a special projection to show the results of my research, but this projection is probably not defined in some points. How to fill them? I expect to fill at least the blank line at 180 degree ...
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Render raster from vector tiles in WGS84 (EPSG:4326) using Tileserver GL

I have vector tiles that are in the WGS84 CRS (EPSG:4326). I can confirm that they are in WGS84 because on a Web Mercator basemap (pg_tileserv preview) they display in Svalbard (should be in Austria): ...
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Using Maputnik Edior to Style MapBox Vector Tile Data that is Hosted on my Machine without the use of a Server

I'm trying to create a style.json for a MapBox Vector Tile data that is hosted on my machine without the use of a server. I have a .mbtile data file that I unpacked and placed into a directory on ...
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Converting polygon coordinates relative to tile to world lat lon

So I have this geojson: {"type":"FeatureCollection","features":[{"type":"Feature","properties":{},"geometry":{"type":&...
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How to tile and mosaic spatial vector data in R?

Processing large vector data requires a way to tile the input data and mosaic the output. The following example only targets the tile creation and final mosaic step. Tiling the data has the reason ...
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Use of locked magnification dialog displaying USGS US Base Topo Tiled layer

I am studying the USGS Base Topo Layer for my railroad interest. I chose 1:10,000 magnification, as that renders the raster tiles optimal for sharpness. Larger magstep results in provider not giving ...
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Moving gdal2tiles.py output directly to s3 from inside a fargate task

I am running the latest version of gdal in a docker container built using: FROM osgeo/gdal. The docker container is running on AWS as a fargate task. I want to use gdal2tiles.py to create a large ...
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Tool to Interpolate Map Tile Levels

I'm using a tile service that has different imagery sources at different zoom levels e.g. when zoomed out clouds and older imagery are shown, but as you zoom in to higher resolution imagery the clouds ...
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1k views

Downloading satellite images in GeoTIFF format

I need to extract at a particular zoom level (17) and resolution (1280x1280) satellite images in GeoTiff (.tif) format that cover my polygons and points in my GeoJson file. To obtain static images in ....
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Pre-rendering tiles fail, only once in a while

I've customized the https://github.com/Overv/openstreetmap-tile-server and broken it down into two images, a Tile-Server and a Postgis-Server. Both Tile Server and PostGIS Server are up and running in ...

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