UTFGrid

UTFGrid parameters:
Center:     {"x": 119.51 ,"y": 47.52 }
Scale:     0.00001580210
View bounds:

•     Left bottom: {"x": 119.49 , "y":47.51 }
•     Right top : { "x": 119.53 , "y":47.54}

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