Having both horizontal and verticle marker on a Line Chart

quachtoanlong · 2024-05-29T06:30:13+00:00

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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

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Accepted answers

ArborRose

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
              }
            }
          }
        }
      }
    });

All comments

ArborRose

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

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

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

quachtoanlong

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

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