UTFGrid

UTFGrid parameters:
Center:     {"x": 122.03 ,"y": 46.19 }
Scale:     0.000000487867
View bounds:

•     Left bottom: {"x": 121.4 , "y":45.56 }
•     Right top : { "x": 122.65 , "y":46.81}

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