UTFGrid

UTFGrid parameters:
Center:     {"x": 122.24 ,"y": 46.47 }
Scale:     0.000001252857
View bounds:

•     Left bottom: {"x": 122.0 , "y":46.22 }
•     Right top : { "x": 122.48 , "y":46.71}

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