WebMercator

Tile matrix set definition for WebMercator, expressed in http://www.opengis.net/def/crs/EPSG/0/3857 This well-known scale set has been defined to be compatible with Google Maps and Microsoft Live Map projections and zoom levels. Level 0 allows representing the whole world in a single 256x256 pixels. The next level represents the whole world in 2x2 tiles of 256x256 pixels and so on in powers of 2. Scale denominator is only accurate near the equator. The tile matrix composing the set are reported in the following table.

Tile matrix Id	Scale denominator	Top left Corner	Tile Width	Tile Height	Matrix Width	Matrix Height
0	559,082,263.951	-20,037,508.34 20,037,508	256	256	1	1
1	279,541,131.975	-20,037,508.34 20,037,508	256	256	2	2
2	139,770,565.988	-20,037,508.34 20,037,508	256	256	4	4
3	69,885,282.994	-20,037,508.34 20,037,508	256	256	8	8
4	34,942,641.497	-20,037,508.34 20,037,508	256	256	16	16
5	17,471,320.748	-20,037,508.34 20,037,508	256	256	32	32
6	8,735,660.374	-20,037,508.34 20,037,508	256	256	64	64
7	4,367,830.187	-20,037,508.34 20,037,508	256	256	128	128
8	2,183,915.094	-20,037,508.34 20,037,508	256	256	256	256
9	1,091,957.547	-20,037,508.34 20,037,508	256	256	512	512
10	545,978.773	-20,037,508.34 20,037,508	256	256	1,024	1,024
11	272,989.387	-20,037,508.34 20,037,508	256	256	2,048	2,048
12	136,494.693	-20,037,508.34 20,037,508	256	256	4,096	4,096
13	68,247.347	-20,037,508.34 20,037,508	256	256	8,192	8,192
14	34,123.673	-20,037,508.34 20,037,508	256	256	16,384	16,384
15	17,061.837	-20,037,508.34 20,037,508	256	256	32,768	32,768
16	8,530.918	-20,037,508.34 20,037,508	256	256	65,536	65,536
17	4,265.459	-20,037,508.34 20,037,508	256	256	131,072	131,072
18	2,132.73	-20,037,508.34 20,037,508	256	256	262,144	262,144
19	1,066.365	-20,037,508.34 20,037,508	256	256	524,288	524,288
20	533.182	-20,037,508.34 20,037,508	256	256	1,048,576	1,048,576
21	266.591	-20,037,508.34 20,037,508	256	256	2,097,152	2,097,152
22	133.296	-20,037,508.34 20,037,508	256	256	4,194,304	4,194,304
23	66.648	-20,037,508.34 20,037,508	256	256	8,388,608	8,388,608
24	33.324	-20,037,508.34 20,037,508	256	256	16,777,216	16,777,216
25	16.662	-20,037,508.34 20,037,508	256	256	33,554,432	33,554,432
26	8.331	-20,037,508.34 20,037,508	256	256	67,108,864	67,108,864
27	4.165	-20,037,508.34 20,037,508	256	256	134,217,728	134,217,728
28	2.083	-20,037,508.34 20,037,508	256	256	268,435,456	268,435,456
29	1.041	-20,037,508.34 20,037,508	256	256	536,870,912	536,870,912
30	0.521	-20,037,508.34 20,037,508	256	256	1,073,741,824	1,073,741,824