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Questions tagged [tiles]

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

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1answer
11 views

How to update tile source URL at zoom change

I'm using MapServer tile mode with OpenLayers 5.3 new ol.layer.Tile({ source: new ol.source.XYZ({ url: 'http://localhost/cgi-bin/mapserv.exe?' + 'map=mapfile&' + ...
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16 views

Overlaying Tiles from drone onto OpenLayers map?

I have a collection of geoTiffs processed by Open Drone Maps. In particular, there is a folder with tiles generated thru webODM that I want to add into an openlayers map. I see explanations of how ...
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0answers
14 views

Projecting map from overlay and tile for server?

I am not from the geographic field and am having issues finding the correct words to feed google, or this really hasn't been asked before. Simply put: I have a map in a bunch of KMZ files. I want ...
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0answers
8 views

Getting HiRes Tiles via WMTS results in Incorrect size of download block?

To use maps in prints we'd like to use HiRes Tiles offered by a server (basemap.at) providing WMTS tiles sized 512x512. The example on https://www.gdal.org/frmt_wmts.html works well for standard ...
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1answer
16 views

Generating MapService tiles cache from machine other than server with ArcGIS Server?

I have a MapService published on ArcGIS Server v10.3. I would like to generate the tiles cache for this service. For an unknown reason ArcGIS Server CPUs are getting overloaded to 99%-100% after a few ...
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0answers
36 views

Convert GeoTIFF image to Python Shapely polygon geometries representing 3 dimensional triangles

I am working on implementing the example at Quantized-Mesh-Tile on my own data sets which are in .Tif (Digital Elevation Models) format. According to the module, it accept input data in one of this ...
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11 views

Geoserver Caching Styles

I have enabled the gwc in the geo server configuration and defined 2 different styles to my cached layer. I also enabled caching of alternative styles. Both styles are selected in the layer publishing ...
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1answer
38 views

Combing multiple LAS files with different vertical and horizontal accuracy?

The data set in question was made using .las and .zlas files from respectable sources. Data set 1 was collected in the Fall of 2014. The RAW flight line swath data was processed to create classified ...
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26 views

Moving from OSM bitmap rendering to vector rendering

I have an offline app that renders bitmap OSM tiles in C++ using DirectX. Currently we select areas of interest and use Maperitive to download bitmap tiles at various resolutions. This set of tiles ...
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0answers
19 views

Creating Tile Layer for ArcGIS Online using ArcPy?

I'm trying to generate tile layer out of shapefile in Python script. Is there a good sample script to do it with ArcGIS API or ArcPy function ? When I upload shapefile to ArcGIS online, I see ...
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16 views

TPK creation failed - ERROR 001117: Map description property must be set Failed to execute

I'm using ArcMap10.6 to make a tile package. I've filled out the description and map title in the map document properties but I get the this error: ERROR 001117: Map description property must be set ...
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1answer
32 views

Creating map series in tif format with ArcMap?

I would like to tile a rendered ArcMap 10.6 project in tif format(2km x 2km). The map is simply a colour topographic map rendered in black and white. Important is that the resultant images use the ...
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10 views

TileLayer.WMS and Map Panes

When I am using TileLayer.WMS and Map Panes. I am trying to put a WMS loaded through TileLayer.WMS into a map pane. Whenever I do that, the WMS is not displayed. Looking at the DOM, the WMS Layer is ...
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2answers
37 views

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 ...
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1answer
85 views

Merging multiple LiDAR (.las) files?

I downloaded about 9 LiDAR scenes from USGS and I want to use ArcGIS to merge them so that I can carry out tasks on them together as opposed to one by one.
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1answer
77 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=...
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1answer
37 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 ...
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2answers
60 views

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 ...
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2answers
49 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 ...
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0answers
91 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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1answer
56 views

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 ...
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0answers
51 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/{...
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36 views

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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0answers
30 views

QGIS basemap labels shrinking when exporting to image [duplicate]

EDIT: I was not able to find a suitable solution in the suggested topic. Probably related to these questions: Why do quickmapservices basemap labels shrink when printed? Different scale of basemap ...
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1answer
71 views

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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1answer
65 views

Clipping 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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0answers
102 views

Creating OS tiles from OpenStreetMap extract

We are wanting to create UK tiles from OSM extracts (Greater London then UK) for an old system that uses OS tiles. So far I have used Maperitive to create some OSM tiles. The commands I used are: ...
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1answer
58 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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0answers
47 views

gdal: WMTS is working with 256x256 tiles, but not with @2x (512x512) tiles

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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1answer
89 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 ...
2
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1answer
50 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 ...
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0answers
52 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 ...
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1answer
31 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 ...
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1answer
68 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 ...
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0answers
20 views

Getting static .pngs from mbtiles file or other sources

My nomenclature may be astray because mapping and GIS is not my domain. We need to be able to serve tiles locally in a structure lik the folder example provided here: https://www.maptiler.com/how-to/...
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3answers
141 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 ...
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1answer
100 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....
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0answers
197 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 ...
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1answer
19 views

Geoserver global services and geowebcahe

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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0answers
28 views

Labeling for tile index of rasters using QGIS?

I have made a grid for group of rasters with tile index, I want to label it with its location on my hard drive. When Im done labeling, it looks like this(for an example): D:/QGIS/TEST/45675.ecw. ...
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1answer
70 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 ...
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1answer
195 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 ...
4
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2answers
155 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 ...
2
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0answers
209 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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1answer
113 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.
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1answer
941 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 ...
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0answers
71 views

OpenLayers - Mobile display problem

I'm programming a map with OpenLayers (4.6.5) and my problem is the following => I tested this code : var map = new ol.Map({ target: 'map', layers: [ new ol.layer.Tile({ source: ...
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0answers
33 views

QGIS tiling large set of imagery

Looking for advice on workflow how to split (retile) large set of rasters (500 images). Aerial imagery (georeferenced) originally were in WGS84, tiles are overlapping. I managed to reproject the ...
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0answers
40 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.) ...
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1answer
101 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 ...