Questions tagged [tiles]
A collection of image files each containing a section of a map, or remote sensing scene.
995
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Seeking world map (epsg 3857) tile boundaries in shapefile?
I am working on manipulating data and I need a shapefile of world map tile in each zoom level.
It could be better if it is in polygon but line is also fine.
I tried to find the file using as many ...
5
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1
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Merging multiple LiDAR (.las) files using ArcMap
I downloaded about 9 LiDAR scenes from USGS and I want to use ArcMap to merge them so that I can carry out tasks on them together as opposed to one by one.
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Using Planet Labs API tile service with leaflet map
I'm using Planet Labs API tile service with leaflet map. Need to add it as a tile layer/WMS layer.
But the map stays the same when zoomed in or out.
My Map: https://drive.google.com/open?id=...
2
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1
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GeoServer - Conversion formula between scale and resolution
I am trying to figure out what is the conversion formula between scale and resolution used by GeoServer, specifically when creating a new gridset for Tile Caching. One would expect that the conversion ...
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How does oversampling work in WMTS layers?
(This question arises as a sub-topic of the answer provided here.)
In the symbology options for a raster layer in QGIS, there is a setting called "Oversampling" (see image below). How does this ...
2
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2
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158
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AGOL tiling creates multiple labels
I create a webmap and use publish it on ArcGIS Online. Unfortunately the tiling engine of AGOL creates multiple labels for the same item. How can I prevent this?
Same label problems occured, when I ...
3
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2
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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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272
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ModelBuilder overwrites output when using split tool?
I have one SHP file containing polygons that describe splitlines in rows and cols.
I'd like to use this to split an existing dataset of a few hundred SHPs containing tree positioning data. The extends ...
2
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260
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Georeferencing xyz layer from Griffiths Valuation of 1850s?
I have made progress on my project to map land and property owned by individuals in 1850 in Ireland using Griffiths Valuation maps. I used http://griffiths.askaboutireland.ie/gv4/single_layer/tiles/{...
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API or lib to convert boundary boxes or single long lat to quadtile?
I would like to store geo coordinates as OpenStreetMap quadtiles. Is there more doc somewhere than in the link above? Are there standard solutions to convert long / lat points and boundary boxes into ...
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How do I show GWC cached tiles offline in Openlayers 3.5?
I want to compare performance of my OL app using tiles from GWC and compared to loading them locally from the HD.
Usually I load local tiles that were generated using GDAL with the following code :
...
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Choosing LiDAR tiles with vector data using LAStools?
So the problem is that I have a huge amount of LiDAR tiles (in .laz format), but need only part of them that are within the borders of the city.
When I load all the tiles to LASTools, I have ...
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2
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757
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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 ...
2
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595
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WMTS is working with 256x256 tiles, but not with 512x512?
I'm working on using imagery from a web map tile service which I've cached locally as a gdal dataset. I have both 256x256 tiles and 512x512 tiles; the latter are the "retina" versions of the former; i....
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Downloading Map Tiles from Griffiths Valuation of Northern Ireland?
I would like to download map tiles of Northern Ireland associated with Griffiths Valuation of Ireland in 1867. These maps have details of property leased by individuals, including farm fields and ...
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Viewing ArcGIS Generated Tiles in QGIS?
I have created Cache imagery using the Manage Tile Cache tool of ArcGIS Desktop. This tool creates cache imagery from the data provided. After creating this cache, i can open that in ArcMap easily ...
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obfuscate real coordinates
Due to copyrights I cannot deliver some POIs as plain vector data using GeoJSON in Leaflet or OpenLayers. I'm therefor looking for some kind of sane obfuscation, to make it harder for normal users to ...
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Extracting pixels from polygonal geospatial region of set of map tiles and/or set of GeoTIFF files?
I need to create a script, probably JS or Python, to perform the following:
I have a polygonal region -- no "holes", and always fully convex -- for which I need to extract the pixel data from one of ...
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Tiling large single GeoTIFF raster into smaller GeoTIFF tiles? [duplicate]
I have traditionally used proprietary software tools for tiling raster datasets but I am keen to explore the open source solutions as well.
Are there any open source solutions that can easily tile ...
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1
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Higher than maxNativeZoom requests tiles
Leafet is requesting tiles while at a higher zoom level than maxNativeZoom from defined mapserver instead of just stretching the maxzoom sized tiles. It is creating a lot of 404s since my maxzoom is ...
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Add a NoData buffer to a raster with rasterio
I am currently trying to extract Web Mercator tiles from a Geotiff raster using rasterio VRT (version 1.0rc5). The tiles sometimes exceed the extent of the raster, which causes me trouble.
Reading ...
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Directly generate XYZ tiles from GeoJSON?
I would like to directly generate XYZ (=raster) tiles from a ~20 GB large GeoJSON file.
This is way too much for QGIS Tiler.
As another trick I've generated vector MBTiles from the GeoJSON, but sadly ...
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672
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Serving multiple styles openstreetmap-carto(4.x versions) and osm-bright from tile server?
I have followed this link to implement serving multiple tile styles from tile server. It says that I just need to update .xml style file path in renderd.conf file. But the openstreetmap carto recent 4....
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Cost of hosting an OSM tile server with similar performance to Google Maps API
I am considering switching from Google Maps API to hosting my own OSM tile server.
Right now my site gets about 2,000 map hits a day, serving about 20-30 users at a time. With Google Maps API, I ...
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Geoserver global services and GeoWebCache
I have disabled the "global setting" in my Geoserver to require the workspace name in all URL endpoint.
Unfortunately, GeoWebCache does not work anymore.
It can return the tiles allready generated ...
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585
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Is it mandatory to specify --style argument and --tag-transform-script in osm2pgsql query for importing .pbf file?
I am trying to build a tile server that serves tiles of multiple styles(osm and osm-bright). I have followed this link for implementing this. But here I found that osm2pgsql query for importing .pdf ...
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2k
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Trying to get WMTS layer in Leaflet, but get error 400 (out of range)
I'm trying to use https://github.com/mylen/leaflet.TileLayer.WMTS to get a wmts layer into my leaflet map, but the error 400 is generated and when I look at the tile it says out of range.
While ...
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2k
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How to convert UTM projected map to slippy map tilenames
I work with a map of Paris in ETRS89 / UTM zone 31N projection (EPSG:25831) and need to write slippy map tiles in filenames like /z/x/y.png.
I made a custom python script to read the QGIS project ...
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1
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2k
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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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1
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639
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Naming conventions for LiDAR files?
I can't figure out what is specifically being referenced by the names of these .las files:
They correspond to a specific quadrangle, but can't figure out quite how.
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2k
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Do Tile Servers typically store every tile for every zoom level?
As I understand, a basic tile server provides raster image tiles for different zoom levels. To cover the world, it requires 1 tile at zoom level 0, 4 at zoom level 1, 4n for zoom level n. These are ...
0
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156
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Tiff file output using print composer has blocks of image scrambled (out of place)
I have used 2.18 to print maps to file (tiff) using print commposer. The base layer imported into QGIS consists of NOAA raster tiles. (My problem arises whether or not I have added other layers.) ...
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1
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2k
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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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2
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822
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Natural earth tiles are not detailed enough
I am new to GIS, but I have been using the following set of tiles in some of my D3 applications:
.tiles.mapbox.com/v3/mapbox.natural-earth-2/
The issue with these tiles is that they are not too '...
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1
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677
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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/...
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How to use geowebcache seeded tiles with a custom projection (EPSG: 27700) in openlayers
I have been using Geowebcache inside Geoserver to seed tiles to improve wms performance when using Openlayers to great effect. This has been working well with EPSG:4326 layers, I use the EPSG:4326 ...
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Calculate from tile URL path a TileCache URL path
I am searching for a way how to calculate in PHP (there for OpenLayers are not suitable for me) from tile path /zoom/x/y.png a Tilecache URL like 14/000/009/107/000/010/749.png
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Generating map tile for ol.source.xyz?
I'm trying to create an OpenLayers online map, using QGis/PostgreSQL(PostGIS) to collect data sets and style the map, and then deploying it online.
I previously deployed using PostGIS, GeoServer and ...
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Is there a python equivalent of gdaltindex?
I am using the following gdal shell command (gdaltindex) to create a raster tile index from a directory of raster (tif) files.
find /path/to/raster/directory -name "*.tif" -exec gdaltindex tile-...
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Import OpenStreetMap tiles in a Geoserver Tiled Layer [closed]
I've got OpenStreetMap Tiles downloaded from OSM and stored in a repository, with the structure: Zoom/X/Y.png (own of OSM).
I need to import all of them in one of Geoserver directories in order to use ...
2
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1
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934
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Troubleshooting downloading MODIS NDVI Data in R
I am trying to download MODIS Data from 2000-2018, however I am encountering some difficulties.
Here is my script
MODISoptions(localArcPath = "/Volumes/myserver/MODIS/data",
...
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1k
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Mapproxy tiles are partly black instead of transparent
I use MapProxy for caching WMS/WMTS tiles and it works fine up to a certain zoom level. But for higher zoom levels MapProxy fills the empty parts of the layers in black. This happens for certain ...
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Tiling image to be used with Google Maps?
I have a 2880 x 2880 image that I would like to tile so that it replace the entire usual world map.
So far I got this working
gdal2tiles.py -p raster -z 0-6 5KNewMap.png abc3/
but for the zoom ...
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0
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661
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Get tile images directly from sqlite database
I'm trying to get map tile images to display in my application. I created a sqlite database and used WMS Lite server to request map tiles using GetMap syntax.
wmslite?SERVICE=WMS&VERSION&...
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How to improve the quality of raster tiles at high zoom levels in Geoserver
I have been testing the functionality of GeoServer as a WMS raster server and I have noticed that the quality of the tiles at high zoom levels is low. Here is an example of the GeoServer tile vs the ...
2
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2
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191
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Correcting merged LiDAR DEM with outliers in inner edges?
I've created a DEM from LiDAR data. After combining all the files, I could see that there are some problems through the tile borders. This is an screen focused in one of the cross section of 4 files ...
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QGIS 3.0 Hybrid Tile Server URLs
I've recently come into a new position where I'm using QGIS instead of ESRI and am learning the ropes on handling all the things ESRI comes out of the box with that QGIS doesn't.
I've found tile ...
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Visualize MbTiles database
Imagine having a MbTiles database like the one you can download here
Is there a way to quickly visualize the tiles on a map? Such as an online tool, QGIS PlugIn, ...
If I get a completly unknown ...
2
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1
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1k
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Load GeoJSON data onto Leaflet Map using Slippy Map formatted URL
I've been trying to get some GeoJSON polygon data to show up on a Leaflet map, but the endpoint I'm fetching the data from answers to the format /api/{z}/{x}/{y}.geojson. Leaflet has support for ...
2
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570
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Make the QGIS Print Composer take WMS maps from a specific zoom level - .png AND georeferenced image
I want to create a .png print with a world projection file from a specific WMS. The WMS in question is Polish national Geoportal service containing hypsometric data. Here's the WMS adress: http://mapy....