Questions tagged [tiles]

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

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65 views

Rotate raster before tiling

I have 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 ...
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2answers
52 views

Seed generate missing tiles for extra raster files in ImageMosaic using GeoServer

I would like GeoServer (via GeoWebCache) to update/generate tiles whenever a new raster file is added to a ImageMosaic store. I am testing the following procedure (unfortunately is not working): ...
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23 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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1answer
615 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 ...
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1answer
31 views

Google Earth Engine ROI area falling outside/partial coverage by Sentinel 1 Tile

Using this code I am trying to extract surface area of water bodies but some ROIs are not completely covered because of missing adjacent tile (see image). What can I do to add and mosaic the adjacent ...
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20 views

OSM: Don't render administrative boundaries

I have created my own OSM server to pre-generate tiles for later offline use in a desktop app I'm currently coding (I save the tiles in a local SQLite db). Since I followed blindly a tutorial found ...
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1answer
29 views

How can I know which Sentinel Tile is further north?

Sentinel divides the planet surface into tiles, represented in the figure below. I was wondering if there is a programmatic way to compare two of those tile ids and "calculate" which is ...
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1answer
17 views

Changing Mapnik style — generating empty tiles/images

I got my osm2pgsql/PostGIS/Mapnik/Nik4 setup up and running. I have tested it with the openstreetmap-carto style and everything works well. Now I want to change the style to Mapbox' pencil style (...
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64 views

Generate a WMS service using MapProxy from pre-rendered tiles

I've hit a wall trying to create a WMS service out of pre-rendered tiles, hopefully you can help me. I produced the tiles with gdal2tiles (TMS). The tiles are stored at "/home/x/D/Delete/...
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31 views

Show datapoints in WGS84 EPSG4326 on basemap with Pseudo-Mercator Projection

I want to show datapoints in WGS84 EPSG 4326 on one of the basemaps of QGIS, which (as far as I know) come with a Pseudo-Mercator Projection EPSG 3857. If I zoom in, the points are allocated correctly,...
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25 views

Image equalization after tiling, using gdal_translate -scale

I want to generate a set of samples from a Sentinel-2 image by tiling it, using mainly gdal_translate. The tiling is ok, but its histogram seems to vary tile to tile. So, what I thought was to apply ...
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24 views

MapInfo-XYZ Tiles

I can open XYZ tiles (for example http://www.google.cn/maps/vt?lyrs=s@189&gl=cn&x={x}&y={y}&z={z}) on QGIS. But is there a way to open on MapInfo ?
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1answer
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Leaflet and tiler for R - can't get the correct tiles for displaying in Leaflet (wrong reference systeme or something)

I have got an issue with tiler (https://github.com/ropensci/tiler). I am setting up a webapplication and want to convert .grd files to tiles that can be read by Leaflet. This example can be easily ...
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1answer
25 views

Merge neighboring image tiles into a single image

I have a set of satellite image tiles from Bing Maps (info here). The tiles' names specify tile coordinates within the tile system and zoom, e.g. 156608-142775-18.jpg. An example set of tiles: ['...
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Replacing part of a tileset with gdal2tiles

Is it possible to run gdal2tiles to replace a specific part of a tileset? We've created a tileset whose generation took almost 2 days and then found out that one of the input files had an issue (it ...
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21 views

How to extract tiles corresponding to a geometry from a dataset?

I'm using the GEE API in a Jupyter notebook. I'd like to use the following dataset to carracterise the tree cover of a specific area. This dataset is unavailable on Gee but is available for download. ...
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1answer
37 views

Miscoloured tiles in ArcGIS Server?

I have a tile layer created on ArcGIS for Server 10.3. most of the tiles have worked out fine, but I have a number of tiles that are odd colours. I have tried rebuilding the cache, but the odd tiles ...
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1answer
19 views

Serving Tiles of format {z}/{x}/{-y}.png in Openlayers version 6.3.1

I am facing a problem in serving the map tiles in Openlayers the format for the tiles is {z}/{x}/{-y}.png but when i try to add this url into the tile source it is giving me the following error ...
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Large points get cut off on tile [duplicate]

When there is a large PointSymbolizer, the Graphic gets cut off on the tile edge. This doesn't happen on small points. Is there a way to prevent this? blue size - 200 green size - 30 The SLD_BODY we ...
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2answers
64 views

Tiled map image only shows small section of map but has huge file size

My situation is this: I've purchased some PDF maps that I converted some time ago into some software (MudMap) and I now no longer have the PDFs and I want to convert them back. My problem is this: ...
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0answers
38 views

Splitting ASCII grid files into WGS84 GTiff chunks with sliding bbox defined in degrees minutes seconds

Context I have (many! i.e. >> 500) ASCII Grid raster files given in EPSG:2154, which headers look like (as an example): ncols 1000 nrows 1000 xllcorner 939999.5000 yllcorner ...
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1answer
50 views

Downloading georeferenced maps from geoportals

Is it possible to download georeferenced maps from Havering London Borough and Adur & Worthing Councils portals, and if it is, then how? I tried to use http response (see picture below), however ...
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1answer
57 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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1answer
703 views

Setup mapnik: tile generation very slow

I've setup a Mapnik tileserver with this steps: https://switch2osm.org/manually-building-a-tile-server-18-04-lts/ This are the specs of my server: OS: Ubuntu 18.04 LTS 8 vcpu's 28 GB RAM I've ...
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0answers
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Dynamically-generated heatmap WMS tiles on GeoServer/Leaflet displays wrong [duplicate]

I am using a GeoServer to calculate dynamically a heatmap on points coming from a postgresdatabase with the SLD style presented there : https://docs.geoserver.org/stable/en/user/styling/sld/extensions/...
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1answer
26 views

Import multiple WorldImages in a single GeoServer store

I downloaded tiles from Copernicus EU DEM. Each tile is made of four files : $ ls *E30N30* eu_dem_v11_E30N30.TFw eu_dem_v11_E30N30.TIF.aux.xml eu_dem_v11_E30N30.TIF eu_dem_v11_E30N30.TIF.ovr I ...
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15 views

Using geojson-vt to convert MongoDB output server side

I am using Mapbox with React.js on client-side, and Nodejs with MongoDB on server side. In order to make the rendering of polygon layers on the map easy, I would like to create tiles out of GeoJSON ...
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2answers
991 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....
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0answers
41 views

Can the XYZ tile naming convention be used for Geodetic (global-geodetic)?

I know that the XYZ convention is an alternative for the TMS convention for Mercator projection and in this configuration, it's also called the Slippy Maps naming convention. Can the XYZ convention be ...
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2answers
361 views

WMTS Error when adding Mapbox Layer to QGIS: Failed to download capabilities?

I've tried this a few different ways and can't quite get it to work using QGIS's add WMTS layer tool. The URL loads fine in a browser but won't download as a tile in QGIS. I don't have that good an ...
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1answer
768 views

Clipping/cropping/masking a raster tile layer in Mapbox GL JS

I'm loading Landsat tiles into a Mapbox GL JS map via an AWS S3 tile server, and this is working OK, but what I'd really like to do is clip the tile layer to a GeoJSON polygon which is loaded in ...
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1answer
29 views

GEE Filters some tiles out

I have code that creates rasters from polygons based on statistics of NDVI. My problem is that for some reason, when the polygons are wide spreaded, the raster creation occurs only for some plots, but ...
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1answer
23 views

How to replace an ArcGIS elevation service with a GeoServer elevation service

I'm trying to remove a dependency on ArcGIS in our system and I'm trying to replace ArcGIS's ImageServer with a counterpart on GeoServer. Here's what I did so far: Downloaded a sample elevation ...
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10 views

How to proxy tile sources with reversed Y axis TMS source

I have the following URL https://htonl.dev.openstreetmap.org/ngi-tiles/tiles/50k/{z}/{x}/{-y}.png which I am trying to cache using mapproxy. I have the following config sources: ngi_tiles: type: ...
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1answer
89 views

Regular grid for whole planet

I`m trying to generate rectangular grid for whole world with fixed cell size in 350 meters (width and height are equals). What i tried to do: 1) in main loop iterate trough longitude in range [-180; ...
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0answers
32 views

How to display Tile Coordinate or Quadkey in QGIS map?

I am trying to create the following type of map with QGIS: For the zoom level displayed, I want to show the contour of the tiles and the tile coordinates. What is a quick and simple way to do it ? ...
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33 views

Best way to serve vector tiles from data that changes frequently?

I'm working on a project where I process national radar data and generate a GeoJSON with the data. The data is generated every 5 minutes and I delete the oldest data before I add the latest data. I'm ...
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3answers
572 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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16 views

Process for high bit depth map tiles

I have a geotiff DEM with Float32 data type that I would like to use to make map tiles with high bit depth. When using gdal2tiles.py, banding occurred in the resulting tiles unless I converted the ...
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1answer
128 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.
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1answer
221 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/examples/...
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1answer
83 views

Map slightly off-center with simple (cartesian) CRS and tilelayer in Leaflet

After several attempts, some tinkering and a lot of asking here, I got my fictional map running with tiles by setting up a simple custom CRS. Alas, the map is slightly off center. I got the feelig ...
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1answer
192 views

`MapnikRasterizer` is giving an error (bad allocation) in FME

What could be the issue here. MapnikRasterizer is giving an error! MapnikRasterizer(MapnikFactory): Performing rasterization... MapnikRasterizer(MapnikFactory): Failed to rasterize data. The error ...
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0answers
78 views

Leaflet - do I need the rastercoords plugin for an non-geographical map with CRS.Simple and local tiles?

I got a fictional map set up following this tutorial: https://leafletjs.com/examples/crs-simple/crs-simple.html But when I try to switch the imageOverlay for map tiles (generated with gdal2tiles-...
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1answer
60 views

How to convert quadkey into tiles coordinates?

I have the quadkey 12022132301033 (zoom level 14). How can I convert itto tileXY or bbox? Eventually, I will plot in in R.
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1answer
94 views

GEE check only one sentinel tile instead of checking all of them when the featurecollection is in many tiles

I have code in GEE that creates image collection based on geometry, calc for each polygon the mean value of NDVI for each image, creates new featurecollection with the image as title, and then the ...
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1answer
101 views

Find or create XYZ tiles with only country names

I need XYZ tiles with only country names to use in a Leaflet website. Do publicly available XYZ tiles with only country names exist? If so, where can one find such resources? If not, is there such a ...
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0answers
95 views

How to turn multiple big GeoTIFF into a WMS on GeoServer

I have downloaded around 300 GeoTIFF images of totally 60 Gb. Together they make up a layer which I would like to serve as a WMS on my GeoServer. The images show where there are likely to be water. ...
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3answers
5k views

Ipyleaflet map object doesn't display in Jupyter Notebook but it gets created

When running the code from the example (https://ipyleaflet.readthedocs.io/en/latest/api_reference/map.html#example), no map get displayed. from ipyleaflet import Map, basemaps, basemap_to_tiles m = ...
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1answer
88 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://...

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