UTFGrid

UTFGrid parameters:
Center:     {"x": 120.57 ,"y": 30.09 }
Scale:     0.000005387363
View bounds:

•     Left bottom: {"x": 120.51 , "y":30.04 }
•     Right top : { "x": 120.63 , "y":30.15}

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