UTFGrid

UTFGrid parameters:
Center:     {"x": 120.88 ,"y": 31.84 }
Scale:     0.000011257482
View bounds:

•     Left bottom: {"x": 120.85 , "y":31.81 }
•     Right top : { "x": 120.91 , "y":31.87}

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