UTFGrid

UTFGrid parameters:
Center:     {"x": 117.07 ,"y": 37.45 }
Scale:     0.000003461455
View bounds:

•     Left bottom: {"x": 116.98 , "y":37.36 }
•     Right top : { "x": 117.15 , "y":37.54}

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