Having both horizontal and verticle marker on a Line Chart

quachtoanlong · May 29

Hi guys,

As in the title, is there any way to add two reference lines, one verticle and one horizontal in a DOMO line chart? The solution can be DDX or the default line chart.

From that, is there any way to add the third horizontal… if there are ways…

Thanks,

Long

ArborRose · May 29

I don't know about the default line chart. But I can do it in a brick.

<html>
<head>
  <script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
  <script src="https://cdn.jsdelivr.net/npm/chartjs-plugin-annotation"></script>
</head>
<body>
  <canvas id="myChart"></canvas>
</body>
</html>

    const ctx = document.getElementById('myChart').getContext('2d');
    const myChart = new Chart(ctx, {
      type: 'line',
      data: {
        labels: ['January', 'February', 'March', 'April', 'May', 'June', 'July'],
        datasets: [{
          label: 'Dataset',
          data: [65, 59, 80, 81, 56, 55, 40],
          borderColor: 'rgba(75, 192, 192, 1)',
          borderWidth: 1,
          fill: false
        }]
      },
      options: {
        scales: {
          x: {
            beginAtZero: true
          },
          y: {
            beginAtZero: true
          }
        },
        plugins: {
          annotation: {
            annotations: {
              verticalLine: {
                type: 'line',
                xMin: 3,  // Position on the X axis
                xMax: 3,
                borderColor: 'rgba(255, 99, 132, 1)',
                borderWidth: 2
              },
              horizontalLine: {
                type: 'line',
                yMin: 70,  // Position on the Y axis
                yMax: 70,
                borderColor: 'rgba(54, 162, 235, 1)',
                borderWidth: 2
              }
            }
          }
        }
      }
    });

ArborRose · May 29

I don't know about the default line chart. But I can do it in a brick.

<html>
<head>
  <script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
  <script src="https://cdn.jsdelivr.net/npm/chartjs-plugin-annotation"></script>
</head>
<body>
  <canvas id="myChart"></canvas>
</body>
</html>

    const ctx = document.getElementById('myChart').getContext('2d');
    const myChart = new Chart(ctx, {
      type: 'line',
      data: {
        labels: ['January', 'February', 'March', 'April', 'May', 'June', 'July'],
        datasets: [{
          label: 'Dataset',
          data: [65, 59, 80, 81, 56, 55, 40],
          borderColor: 'rgba(75, 192, 192, 1)',
          borderWidth: 1,
          fill: false
        }]
      },
      options: {
        scales: {
          x: {
            beginAtZero: true
          },
          y: {
            beginAtZero: true
          }
        },
        plugins: {
          annotation: {
            annotations: {
              verticalLine: {
                type: 'line',
                xMin: 3,  // Position on the X axis
                xMax: 3,
                borderColor: 'rgba(255, 99, 132, 1)',
                borderWidth: 2
              },
              horizontalLine: {
                type: 'line',
                yMin: 70,  // Position on the Y axis
                yMax: 70,
                borderColor: 'rgba(54, 162, 235, 1)',
                borderWidth: 2
              }
            }
          }
        }
      }
    });

quachtoanlong · June 3

https://community-forums.domo.com/main/discussion/comment/96198#Comment_96198

Thank you very much, Arbor.

Apologize first for this following basic question, but do you know how to do it using the Phoenix brick template?

ArborRose · June 3

Sorry, I don't know what a Phoenix brick template is.

quachtoanlong · June 3

Apologize for the confusion. I was referring to Domo’s native library. I captured this in the DOMO appstore:

https://amro-asia-org.domo.com/appstore/details/2FF0546ED3BE62B56BAA98A96188FEF2755B4A37C77A4077B7170B5CACC04904?origin=search

Having both horizontal and verticle marker on a Line Chart

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