UTFGrid

UTFGrid parameters:
Center:     {"x": 21.0 ,"y": -21.0 }
Scale:     0.001612574073
View bounds:

•     Left bottom: {"x": 0.0 , "y":-42.0 }
•     Right top : { "x": 42.0 , "y":0.0}

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