MapProxy

Demos TMS osm EPSG:3857

Openlayers Client - Layer osm

Coordinate System	Image format
EPSG:3857	png

Bounding Box

-20037508.3428, -20037508.3428, 20037508.3428, 20037508.3428

Level and Resolutions

Level	Resolution
0	78271.516964
1	39135.758482
2	19567.879241
3	9783.9396205
4	4891.96981025
5	2445.98490513
6	1222.99245256
7	611.496226281
8	305.748113141
9	152.87405657
10	76.4370282852
11	38.2185141426
12	19.1092570713
13	9.55462853565
14	4.77731426782
15	2.38865713391
16	1.19432856696
17	0.597164283478
18	0.298582141739

JavaScript code

<script src="static/OpenLayers.js"></script>
<script type="text/javascript">
var map;
function init(){
    var mapOptions = {
    projection: new OpenLayers.Projection('EPSG:3857'),
    maxResolution: 78271.516964,
    units: 'm',
    numZoomLevels: 19,
    maxExtent: new OpenLayers.Bounds(-20037508.3428, -20037508.3428, 20037508.3428,
20037508.3428)
    };

    map = new OpenLayers.Map('map', mapOptions);

    var layer = new OpenLayers.Layer.TMS('TMS osm', '../tms/',
        {layername: 'osm/EPSG3857', type: 'png',
         tileSize: new OpenLayers.Size(256, 256)
    });

    map.addLayer(layer)
    map.zoomToExtent(new OpenLayers.Bounds(-20037508.34, -20037508.34, 20037508.34,
20037508.34));
}
</script>