TileMetersPerPixelOnEquator

const TileMetersPerPixelOnEquator: array [TMapZoomLevel] of Double = (156412, 78206, 39103, 19551, 9776, 4888, 2444, 1222, 610.984, 305.492, 152.746, 76.373, 38.187, 19.093, 9.547, 4.773, 2.387, 1.193, 0.596, 0.298, 0.149);