UTFGrid

UTFGrid parameters:
Center:     {"x": 120.35 ,"y": 47.4 }
Scale:     0.000013279016
View bounds:

•     Left bottom: {"x": 120.33 , "y":47.38 }
•     Right top : { "x": 120.37 , "y":47.42}

•   Width: 256
•   Height: 256
•   PixcelCellCount: 8