UTFGrid

UTFGrid parameters:
Center:     {"x": 109.64 ,"y": 40.62 }
Scale:     0.000017407984
View bounds:

•     Left bottom: {"x": 109.63 , "y":40.6 }
•     Right top : { "x": 109.66 , "y":40.63}

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