Geographic Information Systems

Questions tagged [tiles]

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

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11 views

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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12 views

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
39 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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35 views

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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15 views

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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37 views

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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14 views

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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20 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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28 views

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
29 views

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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How can you convert XYZ tile request to EPSG27700 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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35 views

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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30 views

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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45 views

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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16 views

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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547 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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37 views

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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What is wrong with DTM tiles in ArcMap?

I have downloaded Scotland 50cm (phase 3) DTMs for a location I am studying using Digimap. I don't know what has happened to the tiles. When I added them from ArcCatalog I had to select create ...
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1answer
30 views

Geowebcache is not using bounding box parameter when seeding

I have an issue where when I am seeding tiles for a layer with Geowebcache, the tiles are seeded to the full extent of the layer despite my use of the bounding box parameter. My goal, of course, is to ...
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20 views

How to force line dropping in tippecanoe

I am using tippecanoe to generate tiles for Mapbox. I am using a geojson dataset composed of lots of lines - I want lines shown at a low zoom to besimplified so it doesnt look too cluttered, but I ...
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31 views

Union table of raster tiles in PostGIS

I have a table of tiled rasters. They often overlap with each other. For instance: I would like to eliminate the overlaps. Where a raster overlaps with another raster, it should take the larger value ...
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2answers
35 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 ...
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18 views

Serve up an ESRI Tile Cache without a service?

Trying to take an exploded ESRI tile cache and serve the PNG images on a cloud storage space. I want to be able to generate the tile caches from ArcMap (from rasters and mosaic datasets), but serve ...
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46 views

OpenLayers: How do I make a TileLayer start from origin?

I'm using OpenLayers to display a large image using a TileLayer with an XYZ source and a pixel projection. On top of that image I'm supposed to show some bounding boxes that have coordinates depending ...
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1answer
99 views

Creating tile server with already created .png - tiles

I have a web application which shows a basic OSM card with OpenLayers. Now I want to display radar data in form of a second layer where the user can view the radar data of the last 10 hours in 15 ...
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158 views

Unable to get the correct tiles using `bounds2img` via contextily and geopandas for USA

The main idea is to get a png/jpg image file as a basemap for the complete bounds of a geodataframe. The geodataframe here happens to be a map of the USA which I took from the topojson/us-atlas ...
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48 views

Differences between tiling LAS datasets using file size versus tile dimensions?

The question refers specifically to the Tile LAS (3D Analyst) tool in ArcMap 10.7. I've tried both approaches to tiling my LAS dataset (specifying the value of the largest file vs. the dimensions of ...
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1answer
229 views

Generate GeoJSON tile layers from Shapefile

I have some vector layers in a shapefile that I would like to display in the Google Maps Javascript API. I recently learned that you can generate GeoJSON from shapefiles in the correct CRS using QGIS: ...
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20 views

I get a transparent/empty image with Mapnik in python from a raster file

I start by selecting a raster from the website of the Swiss Federal Office. Therefore, I know, with certainty, the projection in which this layer is located. Source : https://shop.swisstopo.admin.ch/...
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21 views

WMS request without caching GeoWebCache

I am working on a project which has a functionality of downloading WMS tiles. The program checks for the newest radar images, but the problem is that the radar images are not ready and the tiles are ...
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96 views

How to query PostGIS for the XYZ tiles covered by features?

I have a feature table in PostgreSQL and I need to calculate the XYZ tiles that the queried features encompass. So my query would look something like this: SELECT getTiles(geom, min_zoom, max_zoom) ...
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28 views

Getting tile cache creation status on ArcGIS Server

I am creating a server side tile cache on ArcGIS Server 10.6.1 using ManageMapServerCacheTiles_server with the wait option as the Python/ArcPy example suggests. Unfortunately this process takes 10+hrs....
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1answer
63 views

Shift between WMS Tiles in Leaflet

I use Leaflet to show a WMS Layer via a proxy.php (for authentication). That is working on most WMS Layers. But I have some WMS Sources, which are having a small shift in the tiles. See Overlay Map in ...
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1answer
149 views

How generate transparent tiles via gdal2tiles.py?

I have an ecw file and I want create tile via gdal2tiles.py. The file is as follow: Note: Green color is style of a polygon layer that is under the ecw layer. I want to transparent nodata sections in ...
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1answer
31 views

Troubles 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 ...
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2answers
126 views

GeoServer (GeoPackage) + Leaflet [closed]

I have placed 10 geopackage files locally on GeoServer. I also added a plugin for vector tiles. Tell me the code to open them via Leaflet and that when you click on the object there is information.
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80 views

Cache Raster tiles with Varnish

I am trying to cache my raster tiles from Tileserver-GL. This is my actual link of tiles http://xxx.xx.xx.xx:8080/styles/map/{z}/{x}/{y}.png (Each tile link will look like http://xxx.xx.xx.xx:8080/...
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1answer
78 views

Saving rasters as in batch process

I've found a few questions similar but think mine is much more simple. I would like to run: Export -> Save As as a batch command. I have 1 layer that has 9595 DEM raster overlaid and I would like ...
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1answer
55 views

Geoserver Vector tiles hollow issue with layer

I am using vector tiles from PostGIS, Geoserver for the world layer, I have multiple layers for the global level, I have seen multiple holes and missing tiles of some boundaries in the layer of vector ...
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1answer
35 views

Get all the Tile layers added to the map using OpenLayers?

I want to get all the Tile layers which are added in the base_map. When I am using map.getLayers() I get the list in the array_. How can I identify all the charts and remove the individual charts. ...
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0answers
99 views

Calculate tile coordinates in EPSG 4326

My goal is to be able to query cached tiles from a WMTS server using the EPSG4326 projection. I would like to be able to use (1) the geographic coordinates of a point in degrees and a (2) zoom level (...
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1answer
52 views

Creating a cached image server on ArcGIS with EPSG:4326 projection

I need to create a cached image service for development reasons which doesn't use the ArcGIS Online or Google Maps projection (EPSG:3857). It should use the EPSG:4326 projection. I couldn't find ...
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0answers
67 views

What bounding box to use for a Miller projection?

I'm not a GIS expert at all and new to dealing with maps. My question is really basic. I'm basically asking for the extent of earth. Please help out anyway. I'm trying to render tiles for a world map ...
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27 views

{z}/{x}/{y} tiles for Belgium names only

Right now I have a leaflet map, with GEOJSON layers rendered on top of them, behind that I render {z}/{x}/{y} tiles that only displays names of countries, cities, and so on. The thing is, that ...

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