UTFGrid

UTFGrid parameters:
Center:     {"x": 122.21 ,"y": 45.8 }
Scale:     0.00000056709
View bounds:

•     Left bottom: {"x": 121.68 , "y":45.26 }
•     Right top : { "x": 122.75 , "y":46.34}

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