UTFGrid

UTFGrid parameters:
Center:     {"x": 117.09 ,"y": 37.42 }
Scale:     0.000002920668
View bounds:

•     Left bottom: {"x": 116.99 , "y":37.31 }
•     Right top : { "x": 117.2 , "y":37.52}

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