             radius: 10
             color: "#FFDD00"
         ,
-          uid: "2-3"
           caption: "2 - 3"
           attribute: "calculated_magnitude"
           value: "[1.9, 3.1]"

            radius: 30
            color: "#FF5E00"
        ,
          uid: "6-7"
          caption: "6 - 7"
          attribute: "calculated_magnitude"
          value: "[5.9, 7.1]"

            radius: 25
            color: "#FF8000"
        ,
          caption: "5 - 6"
          attribute: "calculated_magnitude"
          value: "[4.9, 6.1]"
