UTFGrid

UTFGrid parameters:
Center:     {"x": 113.85 ,"y": 22.74 }
Scale:     0.000003910118
View bounds:

•     Left bottom: {"x": 113.78 , "y":22.66 }
•     Right top : { "x": 113.93 , "y":22.82}

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