UTFGrid

UTFGrid parameters:
Center:     {"x": 122.93 ,"y": 46.72 }
Scale:     0.000013247424
View bounds:

•     Left bottom: {"x": 122.91 , "y":46.69 }
•     Right top : { "x": 122.95 , "y":46.74}

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