UTFGrid

UTFGrid parameters:
Center:     {"x": 118.9 ,"y": 29.17 }
Scale:     0.00000178662
View bounds:

•     Left bottom: {"x": 118.73 , "y":28.99 }
•     Right top : { "x": 119.07 , "y":29.34}

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