|  | @@ -15,14 +15,17 @@
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				|  |  |          <div class="field-body">
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				|  |  |              <div class="field is-grouped is-grouped-multiline">
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				|  |  |                  <div v-if="index == 0" class="rh-input">
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				|  |  | -                <input-with-units title="R" v-bind:units="units"
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				|  |  | -                                  v-bind:value="layer.R"
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				|  |  | -                                  @newdata="layer.R=$event"/>
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				|  |  | +                    <input-with-units title="R" v-bind:units="units"
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				|  |  | +                                      v-bind:value="layer.R"
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				|  |  | +                                      @newdata="layer.R=$event"/>
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				|  |  | +                    <span class="tooltiptext">Core radius</span>
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				|  |  |                  </div>
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				|  |  |                  <div v-else  class="rh-input">
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				|  |  | -                <input-with-units title="h" v-bind:units="units"
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				|  |  | -                                  v-bind:value="layer.R"
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				|  |  | -                                  @newdata="layer.R=$event"/>
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				|  |  | +                    <input-with-units title="h" v-bind:units="units"
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				|  |  | +                                      v-bind:value="layer.R"
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				|  |  | +                                      @newdata="layer.R=$event"/>
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				|  |  | +                    <span class="tooltiptext">Layer thickness</span>
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				|  |  | +
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				|  |  |                  </div>
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				|  |  |                  <input-with-units title="Re(n)" units=""
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				|  |  |                                    v-bind:value="layer.reN"
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				|  | @@ -62,5 +65,29 @@
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				|  |  |      }
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				|  |  |      .rh-input {
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				|  |  |          margin-right: 12px;
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				|  |  | +        position: relative;
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				|  |  | +        display: inline-block;
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				|  |  | +    }
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				|  |  | +    /* Tooltip text */
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				|  |  | +    .rh-input .tooltiptext {
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				|  |  | +        visibility: hidden;
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				|  |  | +        width: 120px;
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				|  |  | +        background-color: #7957d5;
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				|  |  | +        color: white;
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				|  |  | +        text-align: center;
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				|  |  | +        padding: 5px 0;
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				|  |  | +        border-radius: 6px;
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				|  |  | +
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				|  |  | +        /* Position the tooltip text - see examples below! */
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				|  |  | +        position: absolute;
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				|  |  | +        z-index: 1;
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				|  |  | +
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				|  |  | +        bottom: 120%;
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				|  |  | +        left: 0%;
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				|  |  | +    }
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				|  |  | +
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				|  |  | +    /* Show the tooltip text when you mouse over the tooltip container */
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				|  |  | +    .rh-input:hover .tooltiptext {
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				|  |  | +        visibility: visible;
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				|  |  |      }
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				|  |  |  </style>
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