CODEWITHSUNDEEP
openlayers-3tilesgeoserver
Martin Bauer
Martin Bauer

Reputation: 91

Serve GeoServer Tiles in XYZ format

I am using GeoServer and seed tiles on my server. The tiles are created successfully but i dont know which pattern the directory structure is following... (i.e. .../EPSG_4326_05/0_0/00_06.png) I want to use the tiles in a OpenLayers application and there i want to use a OSM source which is using the XYZ-pattern which is commonly used as URL pattern for tile-serving. Is there a way to tell the geoserver it should create the tiles with the XYZ structure?

Upvotes: 7

Views: 19945

Answers (4)

Gaurav
Gaurav

Reputation: 1

url: "http://localhost:8080/<path_to_complete_directory_of_tiles_file>/{z}/{x}/{-y}.png/jpeg"

I am using tomcat to host the geoserver so I make my blobstore path in root directory inside the tomcat folder which directly accessible by tomcat. *** GEOSERVER SUPPORTS XYZ format ***

Upvotes: 0

Anos K. Mhazo
Anos K. Mhazo

Reputation: 412

This may be too late by here is my XYZ URL for geoserver layer:

http://localhost/gwc/service/tms/1.0.0/gis:service@EPSG%3A900913@png/{z}/{x}/{-y}.png

Geoserver will cache the tiles automatically as you request through URL.

Upvotes: 9

Brandt
Brandt

Reputation: 5669

Cool, I had the same question one hour ago. Here goes the summary.

Note:

What the OP calls XYZ format is the format popularized by Google Maps where a global/basemap is server-side split and served as tiles in a {z}/{x}/{y} format where zoom, latitude and longitude are represented internally [1]. Effectively, the name of the service providing such "format" is Tile Map Service (TMS)[2], and GeoServer does provide such service [3]. XYZ is just the name of the class in OpenLayers used to access a TMS server [4].

That being said, here is how you'd do to have a TMS service running between your GeoServer and OpenLayers:

  • Check if your GeoServer' Caching Defaults has GeoWebCache and the TMS service enabled. I am currently using GS-2.14.3 and those are enabled by default.

With GWC and TMS enabled you should see your raster layers listed under http://localhost:8080/gwc/service/tms/1.0.0 (or, in general, <geoserver-path>/gmc/service/tms/1.0.0).

Then, you just have to call one of those TileMaps from OpenLayer:

var tileURL = "<tilemap-from-gwc-list-above>" + "/{z}/{x}/{-y}.jpg" // or '.png'

var map = new ol.Map(<your params here>);

var bm = new ol.layer.Tile({
  source: new ol.source.XYZ({
    url: tileURL
  })
})
map.addLayer(bm)

Hope that helps. Cheers.

Refs:

  1. Google/TMS format: https://www.maptiler.com/google-maps-coordinates-tile-bounds-projection/
  2. TMS specification: https://wiki.osgeo.org/wiki/Tile_Map_Service_Specification
  3. TMS in Leaflet: https://leafletjs.com/examples/wms/wms.html#tms-in-leaflet
  4. TMS/XYZ OpenLayers: https://openlayers.org/en/latest/apidoc/module-ol_source_XYZ-XYZ.html

Upvotes: 8

Ian Turton
Ian Turton

Reputation: 10976

GeoServer (actually GeoWebCache) can provides a number of end points that can server tiles.

None of these uses the so called XYZ system (because that isn't a standard) but OpenLayers has a Tiled Layer that can handle TMS and WMTS servers using the TileImage source.

Upvotes: 0

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