UTFGrid

UTFGrid parameters:
Center:     {"x": 118.47 ,"y": 29.02 }
Scale:     0.000006332083
View bounds:

•     Left bottom: {"x": 118.43 , "y":28.98 }
•     Right top : { "x": 118.52 , "y":29.07}

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