tileSizeConfig = [
{w:1720.320000, h:409.600000},
{w:860.160000, h:204.800000},
{w:430.080000, h:102.400000},
{w:215.040000, h:51.200000},
{w:107.520000, h:25.600000},
{w:53.760000, h:12.800000},
{w:26.880000, h:6.400000},
{w:13.440000, h:3.200000},
{w:6.720000, h:1.600000},
{w:3.360000, h:.800000},
{w:1.680000, h:.400000},
{w:.840000, h:.200000},
{w:.420000, h:.100000},
{w:.210000, h:.050000},
{w:.105000, h:.025000},
{w:.052500, h:.012500},
{w:.026250, h:.006250},
{w:.013125, h:.003125},
{w:.006562, h:.001562},
{w:.003281, h:.000781},
{w:.001640, h:.000390},
{w:.000820, h:.000195},
]
MAGTILEFACTOR = 2;