UTFGrid

UTFGrid parameters:
Center:     {"x": 119.51 ,"y": 47.62 }
Scale:     0.000008611616
View bounds:

•     Left bottom: {"x": 119.47 , "y":47.58 }
•     Right top : { "x": 119.54 , "y":47.66}

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