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

            radius: 20
            color: "#FF9D00"
        ,
          uid: "4-5"
          caption: "4 - 5"
          attribute: "calculated_magnitude"
          value: "[3.9, 5.1]"

            radius: 5
            color: "#FFFF00"
        ,
          caption: "1 - 2"
          attribute: "calculated_magnitude"
          value: "[0.9, 2.1]"
