UTFGrid

UTFGrid parameters:
Center:     {"x": 118.47 ,"y": 28.98 }
Scale:     0.000008556031
View bounds:

•     Left bottom: {"x": 118.44 , "y":28.95 }
•     Right top : { "x": 118.51 , "y":29.02}

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