Example of a WMS layer with 512x256px tiles.
WMS can serve arbitrary tile sizes. This example uses a custom tile grid with non-square tiles.
<!DOCTYPE html> <html> <head> <title>WMS custom tile grid 512x256 example</title> <script src="https://code.jquery.com/jquery-1.11.2.min.js"></script> <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css"> <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script> <link rel="stylesheet" href="http://openlayers.org/en/3.8.1/css/ol.css" type="text/css"> <script src="http://openlayers.org/en/3.8.1/build/ol.js"></script> </head> <body> <div class="container-fluid"> <div class="row-fluid"> <div class="span12"> <div id="map" class="map"></div> </div> </div> </div> <script> var projExtent = ol.proj.get('EPSG:3857').getExtent(); var startResolution = ol.extent.getWidth(projExtent) / 256; var resolutions = new Array(22); for (var i = 0, ii = resolutions.length; i < ii; ++i) { resolutions[i] = startResolution / Math.pow(2, i); } var tileGrid = new ol.tilegrid.TileGrid({ extent: [-13884991, 2870341, -7455066, 6338219], resolutions: resolutions, tileSize: [512, 256] }); var layers = [ new ol.layer.Tile({ source: new ol.source.MapQuest({layer: 'sat'}) }), new ol.layer.Tile({ source: new ol.source.TileWMS({ url: 'http://demo.boundlessgeo.com/geoserver/wms', params: {'LAYERS': 'topp:states', 'TILED': true}, serverType: 'geoserver', tileGrid: tileGrid }) }) ]; var map = new ol.Map({ layers: layers, target: 'map', view: new ol.View({ center: [-10997148, 4569099], zoom: 4 }) }); </script> </body> </html>