Questions tagged [tiles]

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

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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 ...
Pil Kwon's user avatar
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5 votes
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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.
John_gis's user avatar
1 vote
1 answer
1k views

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=...
Simhadri Akaash's user avatar
2 votes
1 answer
1k views

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 ...
J. L.'s user avatar
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7 votes
2 answers
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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 ...
Nathan's user avatar
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2 votes
2 answers
158 views

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 ...
Riccardo's user avatar
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3 votes
2 answers
3k 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....
xenia's user avatar
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1 vote
1 answer
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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 ...
Brief's user avatar
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2 votes
0 answers
260 views

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/{...
DJB166's user avatar
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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 ...
seinecle's user avatar
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3 votes
1 answer
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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 : ...
Alophind's user avatar
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2 votes
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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 ...
Julia Strzyż's user avatar
0 votes
2 answers
757 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 ...
StupidQuestionGuy's user avatar
2 votes
1 answer
595 views

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....
DanM's user avatar
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1 vote
1 answer
779 views

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 ...
DJB166's user avatar
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2 votes
1 answer
527 views

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 ...
Ahsan Mukhtar's user avatar
1 vote
0 answers
376 views

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 ...
tobwen's user avatar
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0 votes
1 answer
186 views

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 ...
DanM's user avatar
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0 answers
576 views

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 ...
charlieb's user avatar
0 votes
1 answer
256 views

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 ...
lost.in.userspace's user avatar
3 votes
1 answer
1k views

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 ...
ArMoraer's user avatar
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2 votes
3 answers
3k views

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 ...
Yitzhak Melamed's user avatar
1 vote
1 answer
672 views

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....
APL's user avatar
  • 125
1 vote
0 answers
1k views

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 ...
Valachio's user avatar
  • 151
0 votes
1 answer
303 views

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 ...
Joathan's user avatar
  • 55
1 vote
1 answer
585 views

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 ...
APL's user avatar
  • 125
0 votes
1 answer
2k views

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 ...
LAC's user avatar
  • 611
7 votes
2 answers
2k views

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 ...
geraldo's user avatar
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2 votes
1 answer
2k 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 ...
Sven Nijs's user avatar
  • 263
2 votes
1 answer
639 views

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.
itshardtofindanunuse's user avatar
8 votes
1 answer
2k views

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 ...
tombardey's user avatar
  • 215
0 votes
0 answers
156 views

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.) ...
Hamp's user avatar
  • 71
3 votes
1 answer
2k 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 ...
Defozo's user avatar
  • 181
2 votes
2 answers
822 views

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 '...
Noobster's user avatar
  • 121
1 vote
1 answer
677 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/...
Vlad.d's user avatar
  • 155
4 votes
2 answers
1k views

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 ...
Trashmonk's user avatar
  • 1,034
0 votes
0 answers
142 views

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
Bjørson Bjørson's user avatar
2 votes
0 answers
210 views

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 ...
ChrisG's user avatar
  • 21
8 votes
2 answers
2k views

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-...
Aaron's user avatar
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1 vote
1 answer
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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 ...
Jackont's user avatar
  • 11
2 votes
1 answer
934 views

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", ...
Aaron 's user avatar
  • 21
3 votes
1 answer
1k views

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 ...
geraldo's user avatar
  • 960
0 votes
0 answers
57 views

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 ...
Alexis's user avatar
  • 101
0 votes
0 answers
661 views

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&...
madlink's user avatar
  • 125
1 vote
1 answer
949 views

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 ...
Trashmonk's user avatar
  • 1,034
2 votes
2 answers
191 views

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 ...
César Arquero Cabral's user avatar
3 votes
1 answer
5k views

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 ...
Samuel Cooper's user avatar
2 votes
2 answers
6k views

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 ...
four-eyes's user avatar
  • 3,368
2 votes
1 answer
1k views

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 ...
Shyam Pinnipati's user avatar
2 votes
1 answer
570 views

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....
Chimney343's user avatar

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