UTFGrid

UTFGrid parameters:
Center:     {"x": 122.44 ,"y": 46.36 }
Scale:     0.000000475884
View bounds:

•     Left bottom: {"x": 121.8 , "y":45.72 }
•     Right top : { "x": 123.08 , "y":47.0}

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