UTFGrid

UTFGrid parameters:
Center:     {"x": 119.61 ,"y": 47.52 }
Scale:     0.000002257484
View bounds:

•     Left bottom: {"x": 119.47 , "y":47.39 }
•     Right top : { "x": 119.74 , "y":47.66}

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