Questions tagged [tiles]
A collection of image files each containing a section of a map, or remote sensing scene.
788
questions
0
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2answers
57 views
Trouble plotting Earth Engine images with Folium using Python
I am trying to plot an earth engine image using Python and the Folium package as described in the Python docs for Earth Engine. I tried running the example code given and I can't seem get the image to ...
1
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1answer
14 views
mapproxy.config - WARNING - unknow 'html' in sources
mapproxy.config - WARNING - unknow 'html' in sources.gasps_osm_source has thrown by terminal
when i run : mapproxy-seed -c 16 --continue -f mapproxy.yaml -s seed.yaml , and no one tile has been cashed....
1
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0answers
16 views
Preventing QGIS to Add XYZ Tiled Layer
I have created tiles of raster datasets using TileStache. After creating those tiles i have uploaded them in S3 Bucket, and now serving them in my web application as TiledLayer ({z}/{x}/{y}.png)
I ...
2
votes
1answer
33 views
SAS Planet cached tiles for use in Leaflet map
I downloaded some tiles from ArcGIS.Imagery with SAS Planet
The tiles is in folders like
ArcGIS.Imagery/z2/0/x1/0/y2.jpg
ArcGIS.Imagery/z13/2/x2624/1/y1750.jpg
And I use this TileLayer to display ...
0
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0answers
22 views
Creating seamless/uniform topography with multiple raster tiles?
I have multiple elevation raster tiles of an archaeological site and it would be extremely useful for me to visualize the topography as one 'uniform' image/layer. I have attempted to merge the rasters,...
2
votes
1answer
66 views
QGIS 3.x: How to recenter the NASA Blue Marble on the Pacific
I am working on a personal project that shows sailing routes of the pacific on the NASA Blue Marble imagery. But I am stuck...
How do I go about splitting and rearranging the NASA Blue Marble raster ...
0
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0answers
30 views
Add TileLayer to QGIS with link containing bbox parameter only
I want to add a custom TileLayer to QGIS that doesn't use only x and y coordinate.
Here is a link to a custom tile:
http://link_to_wms:8080/rest/services/some_service/export?dpi=96&transparent=...
1
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0answers
35 views
Create tiles from Mars HiRISE images
I have a problem with creating tiles from from Mars HiRISE images using gdal/gda2tiles. Can't find info regarding this topic, so, maybe someone already faced that issue?
Image looks like this
Final ...
1
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0answers
37 views
How to create regional map tiles for Leaflet
I would like to create the map tiles in leaflet, which will be used in regional scale. I mean, that once I provide sth like this:
L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png?{...
2
votes
1answer
85 views
Artefacts (gaps) in tiles from GeoServer
I have created a series of GeoTiff files containing global satellite raster data in EPSG 4326 format. I serve them in GeoServer (v2.15.2) and ask for the data through WMS requests from Leaflet maps in ...
1
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1answer
31 views
Can't reseed tiles on mapproxy from geoserver wms
I am confused on how to initiate reseeding in mapproxy. I used the file mapproxy.yaml and seed.yaml for the first seeding. Its source has been significantly updated. So I want to cache everything anew....
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0answers
30 views
Generate EPSG:4326 Vector Tiles
My goal is to create EPSG:4326 vector tiles (using Plate Caree) that can be served in Leaflet. I currently have a .shp file, which I converted to a geojson file using ogr2ogr. The main obstacle to ...
1
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1answer
149 views
Data is not appearing in a local OSM server after applying changes to it
Our company has a local OpenStreetMap server hosted on its own server and domain. Our cartographers draw streets and houses there in edit mode.
The problem is that the houses are visible only in the ...
0
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0answers
11 views
Create tile package using ArcGIS with existing images of zoom levels
I have images of different zoom levels of a region (like 20 images for 20 zoom levels, and I also have tiles of these zoom levels. actually I have created these 20 images by combining tiles of each ...
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0answers
30 views
Increase number of parallel caching tasks for GeoWebCache?
By default GWC has limitation of 16 parallel caching tasks.
Is it possible to increase this limitation?
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0answers
32 views
Loading offline tiles as QgsRasterLayer in C++ or Python?
I have created tiles via Qtiles plugin in QGIS.
Here is the code snippet I have so far:
QString url = "file:///C:/Users/USER/Desktop/TiledMap/{z}/{x}/{y}.png";
QgsRasterLayer * lyr = new ...
1
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0answers
25 views
After creating tiles in QGIS by enabling VRT, I'm getting black color tiles [closed]
I have a big TIFF image and I created tiles of size 512 X 512 but all the tiles colour is black I don't know why.
1
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1answer
53 views
WMTS from GeoServer to OpenLayers is Unknown TILEMATRIX X
I tryed use default WMTS layer with GeoServer source.
Code looks like that:
var projection = ol.proj.get('EPSG:3857');
var projectionExtent = projection.getExtent();
var size = ol....
2
votes
0answers
24 views
Creating custom tiles from information of a node-link graph?
For my thesis I want to visualize node-link graph in form of a Web GIS. The graphs consist of up to 30.000 nodes and edges. I am new to GIS, completely overwhelmed by the tools and techniques and do ...
0
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1answer
89 views
GDAL - creating tiles from TIFF with world file
Several years ago I created multiple tiles (xyz) from orthophotomaps using GDAL with success but now I'm getting this error and I don't know what I'm doing wrong.
This is the error:
Traceback (most ...
2
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0answers
45 views
Reloading of failed tiles in OpenLayers [duplicate]
In OpenLayers 5, if loading of some tiles has failed (because of temporary network issue, for example), those tile are never attempted to load again.
Is it possible to force OL to retry loading of ...
1
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1answer
33 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 ...
2
votes
0answers
79 views
Requesting Styled Google Maps XYZ tiles with QGIS seems to ignore colors
At the time of posting this question unauthenticated requests for Google Maps tiles work.
E.g. the following URL scheme would correctly load the tile shown below
https://mt1.google.com/vt/lyrs=r&...
0
votes
1answer
48 views
PyQGIS Loading Project Layers not working
I'm trying to make some map tiles (with a transparent background) showing the speed limit in different areas of the UK. I've successfully managed to do this using the QGIS GUI on Windows 10, but I'd ...
0
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0answers
9 views
Configure my local raster tiles for the local network to open in Qgis 3.4
I had open the raster tile locally as explained in "Using Open Google Earth cache file in QGIS?".
I have small local network with 30 systems and want to open these raster tiles in all system from ...
0
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0answers
70 views
Creating virtual tiles of raster in Python?
I have a large raster and want to analyze it on smaller subsets but also want to save space so I am trying to avoid actually tiling the raster.
Is there a way to make virtual tiles that python can ...
0
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0answers
36 views
How to setup my Tileserver-php
I have downloaded "xampp-windows-x64-7.3.6-3-VC15-installer.exe" and installed only Apache and PHP. My Apache server is running.
I have download "tileserver-php-master" and paste the folder in path ...
1
vote
1answer
76 views
Hosting raster tiles on GeoServer? [closed]
I am new to GIS world. I am trying to host raster images (TIFF) which I need to convert in tiles and host on GeoServer and prepare the service URL so that any user using that service zoom to any ...
1
vote
1answer
104 views
Tile Grid for Sentinel -1
I'm new with GIS.
I would like to know if there is a defined tile grid for Sentinel-1.
For Sentinel-2 images, there is a defined grid with UTM code, Latitude band and Square.
There is something ...
2
votes
0answers
260 views
Fast Dynamic MVT generation
I am trying to migrate from serving static MVT to generated on the backend by PostGIS with ST_AsMVT(). Or find a way of minimizing the time of building MVT from the database.
I have a dataset of ...
2
votes
0answers
31 views
Unifying color scale of different tiles in Google Earth Engine?
I found some other posts asked the similar questions but in different tools like ArcGIS, GDAL, QGIS etc. What I want to ask is how to do this in GEE.
Now I have removed the bad observation pixels (...
1
vote
2answers
145 views
Seeking Leaflet-compatible tile layers for Palestine?
Where can I find a Leaflet-compatible tileset that correctly displays Palestine with its native borders and Arabic-language placenames?
I've searched high and low and I've found all kinds of tilesets,...
1
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0answers
28 views
Adding tiled map to QGIS and exporting as web map
I have a set of drone imagery that was processed using Agisoft PhotoScan and converted to Map tiles.
I am now looking on how can I add the map tiles in my QGIS for exporting as a web map? I have a ...
1
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0answers
87 views
What would cause a Cesium 3D-Tiles tileset to not even request it's content?
I am generating an I3DM through Python. I know that the I3DM is probably ok, since the 3d-tiles-tools allow me to extract the binary GLTF file from it. However, when I go to render the tileset in ...
11
votes
2answers
380 views
Remove border lines of SRTM tiles rendered as hillshade
I have downloaded several SRTM DEM raster tiles from https://dwtkns.com/srtm30m/, and created hillshade versions from the tiles. However, upon closer inspection, the hillshade tiles now have border ...
1
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0answers
32 views
GeoServer GWC seeding in 900913 slower than 4326
Using the integrated GeoWebCahce for GeoServer, I am trying to create a tiled cache for a layergroup and having a problem when trying to seed in EPSG:900913.
Even after increasing both the minimal and ...
1
vote
1answer
73 views
Sentinel 2 tile ids by country [closed]
Is it possible to find all Sentinel 2 tile ids by country? For example, for a country such as China, is it possible to get a list of all Sentinel 2 tiles id?
Things I've tried so far include looking ...
0
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0answers
8 views
mapproxy folder “single_color_tiles” not cleaned
I use mapproxy-seed to generate OSM-tiles.
In the tile_cache folder there is a subfolder called "single_color_tiles" where most of the tiles are pretty old.
My other tiles get overwritten when they ...
1
vote
1answer
103 views
GDAL retile to create near-uniform file sizes?
I have a 60Gb raster vegetation dataset. I need to be able to access single pixels relatively quickly. At the moment, I am retiling at a fixed size, and saving those, indexing them in Python, and ...
1
vote
1answer
80 views
Blurring raster data across tile boundaries?
I have a raster dataset that is made up of 280 tiles, 51Gb total. I need to smooth/blur the data, retaining the same resolution. I would like to blur across tile boundaries, where possible, so that ...
0
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0answers
42 views
Get a 250x250 tile around a Point in an Image
I am trying to randomly sample 250x250 pixel tiles from a big Image, let's say 40000x40000. In this case the big Image would be the Hansen Dataset. I want to sample points in which a forest loss has ...
1
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1answer
52 views
Which architecture to adopt when working with tile layers and Cartesian coordinates?
I'm currently working on a webmapping application dedicated to warehouse management. Where data is based on indoor geolocation and Cartesian coordinates system.
More precisely, the map background is ...
0
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0answers
28 views
API to fetch Earth Grid tiles / squares, with data on Countries they represent ? (python)
The purpose is to build a dictionary of earth grid's squares: for each square, I know their coordinates and the country they represent.
This may be something similar to https://gis.stackexchange.com/...
0
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2answers
1k views
Download tile layers for use offline
I would like to download tile layers in this form:
{atlas_name}/{z}/{x}/{y}.png
Because I want to use them offline with my leaflet map.
However, I can't find what are the approaches to download ...
0
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0answers
135 views
Get set of 250x250 pixel tiles from an image
I am trying to split the Hansen dataset https://developers.google.com/earth-engine/datasets/catalog/UMD_hansen_global_forest_change_2018_v1_6?hl=fr
into 250x250 pixel tiles within a region.
For that ...
0
votes
1answer
66 views
Change specific tile image source in OpenLayers 5
I defined a XYZ source and added to map
var source = new ol.source.XYZ({
url: 'http://blabla.com/{x}/{y}/{z}.png',
crossOrigin: 'anonymous'
})
During runtime I can access specific tile by
map....
4
votes
2answers
195 views
QGIS extract QTiles beyond layer extent
I'm trying to export a layer via QTiles, gotten from the Data Source Manager and connecting to (USGSHydroCached).
I have QTiles set to zoom levels 0-20 and Render tiles outside of layers extent ...
0
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0answers
75 views
Calculating tile coordinates based on location and crs for ArcGIS maps?
I am working on a solution to download map tiles based on given location:(latitude, longitude) and zoom level
Followed https://wiki.openstreetmap.org/wiki/Slippy_map_tilenames
The key concept is ...
2
votes
1answer
289 views
Using Baidu tiles in QGIS?
I study Chinese cities a lot and would like to use BAIDU map tiles in QGIS.
Can anyone advise me on how to go about this?
I haven’t been able to find any advice on achieving this on the web.
2
votes
1answer
186 views
ST_AsMVT single layer with multiple Id's
I'm trying to create mvt using postgis by following this tutorial
If understand correctly ST_AsMVT is used to create a layer and generated layer will have id. same id can be used to apply styles.
...
