UTFGrid

UTFGrid parameters:
Center:     {"x": 120.68 ,"y": 46.7 }
Scale:     0.000000577975
View bounds:

•     Left bottom: {"x": 120.15 , "y":46.17 }
•     Right top : { "x": 121.21 , "y":47.22}

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