UTFGrid

UTFGrid parameters:
Center:     {"x": 118.37 ,"y": 31.69 }
Scale:     0.000013431311
View bounds:

•     Left bottom: {"x": 118.35 , "y":31.67 }
•     Right top : { "x": 118.39 , "y":31.72}

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