UTFGrid

UTFGrid parameters:
Center:     {"x": 118.12 ,"y": 31.09 }
Scale:     0.00000328430
View bounds:

•     Left bottom: {"x": 118.02 , "y":31.0 }
•     Right top : { "x": 118.21 , "y":31.18}

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