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The code for these examples can be used in the Markdown visualization to create a series of cards that show a consistently sized chart across ‘tests’ that can have a variety of ranges. Inspiration for these charts were taken from blood test results where measurements for a “normal” range vary in units and min and max values.

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Setup

This query used for this example has the following structure:
  • Test name - Title for the card
  • Normal min - Value for the minimum “normal” range
  • Normal max - Value for the maximum “normal” range
  • Measurement - The current “test” result/value to plot on the chart
  • Chart min (calc_4) - Calculated “min” of the whole chart using the (=B1 - ((C1 - B1) / 2))
  • Chart max (calc_1) - Calculated “max” of the whole chart using the (=(C1 - B1) / 2 + C1)
  • % position (calc_2) -
  • Result classification (calc_5) - calculation to use for coloring (=IF(D1 < B1, "low", IF(D1 > C1, "high", "normal")))
  • Units - For labeling
  • Notes (calc_3) - Additional context for the card
The calculations for the full range of the chart are done positioning the “Normal min” at the 25% mark of the bar and the “Normal max” at the 75% mark. If your data can start at 0 or go below zero, you may need to adjust these calculations.

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Example code

<style>
  h3 {
    margin-top: 0;
  }
  ul.test-results {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 16px;
  }

  li.test {
    background: var(--color-background);
    border: 1px solid var(--color-border1);
    border-radius: 5px;
    padding: 12px 12px 0 12px;
    box-shadow: var(--elevation1);
    
    & h1 { 
      font-size: var(--font-lg);
      margin: 0;
      line-height: var(--line-height-lg);
    text-transform: capitalize;
    }    
    & h2 {
      font-size: var(--font-sm);
      margin: 0;
      color: var(--color-text1);
      line-height: var(--line-height-sm);
      font-weight: normal;
    } 
    & p.notes {
      padding: 12px 24px 0 24px;
      color: var(--color-text1);      
    }
  }

  .results {
    --chart-height: 20px;
    --color-normal: #4BA14D;
    --color-not-normal: #EED558;
    
    padding: 52px 24px var(--chart-height) 24px;
    
    & ol {
      background: var(--color-not-normal);
      border: 1px solid rgba(0,0,0,0.1);
      list-style: none;
      display: flex;
      flex-direction: row;
      position: relative;
      width: 100%;
      height: var(--chart-height);
      border-radius: 2px;      
    }

    & li.normal-range {
      position: absolute;
      width: 50%;
      background: var(--color-normal);
      height: calc(100% + 2px);
      left: 25%;
      top: -1px;
    }

    & li.label {
      position: absolute;
      top: 20px;
      width: 50%;
      text-align: center;
    }
    & li.label.label-min {
      left: 0;
    }
    & li.label.label-max {
      left: 50%;
    }
    & li.measurement {
      position: absolute;
      width: 50px;
      text-align: center;
      top: -36px;
      font-weight: 500;
      border-radius: 10px;
      padding-block: 2px;

      & .pointer {
        display: block;
        position: absolute;
        left: calc(50% - 8px);
        width: 0;
        height: 0;
        border-left: 10px solid transparent;
        border-right: 10px solid transparent;
        border-top: 10px solid var(--color-results);
      }
    }
    & li.measurement.normal {
      --color-results: var(--color-normal);
      background: var(--color-normal);
      color: white;
    }
    & li.measurement.high,
    & li.measurement.low {
      --color-results: var(--color-not-normal);
      background-color: var(--color-not-normal);
    }

  }
</style>
<h3>Your test results</h3>
<ul class="test-results">
  {{#result}}
  <li class="test">
    <h1 class="test-name">{{pretend_medical_info.test_name.value_static}}</h1>
    <h2>Normal range: {{pretend_medical_info.normal_min.value_static}}-{{pretend_medical_info.normal_max.value_static}}&nbsp;{{pretend_medical_info.units.value_static}}</h2>
    <div class="results">
      <ol class="results-chart">
        <li class="label label-min">{{pretend_medical_info.normal_min.value_static}}</li>
        <li class="label label-max">{{pretend_medical_info.normal_max.value_static}}</li>
        <li class="normal-range"></li>
        <li class="measurement {{calc_5.raw}}" style="left: calc({{calc_2.value_static}} - 25px)">{{pretend_medical_info.measurement.value_static}}<span class="pointer"></span></li>
      </ol>
    </div>
    <p class="notes">{{calc_3.value_static}}</p>
    </li>
  {{/result}}
</ul>