Enhance Chart JS by adding scroll functionality for handling large amounts of data

I'm encountering an issue with chart js. When displaying thousands of entries in a single chart, the density makes it difficult to read. I am looking for a way to implement a scrollbar when the data surpasses a certain threshold (or when there is a specific distance between each point). Can anyone provide guidance on how to achieve this?

If there are alternative solutions to address this problem without using a scrollbar, please feel free to share them.

Thanks in advance, Yoav Strugo

Answer №1

If you're looking to implement a scrollbar in Chart.js once a certain threshold of data is reached, CSS can come to the rescue. You can utilize overflow-x: scroll; for horizontal scrolling or overflow-y: scroll; for vertical scrolling.

<style>
.chartWrapper {
  position: relative;
}

.chartWrapper > canvas {
  position: absolute;
  left: 0;
  top: 0;
  pointer-events: none;
}

.chartAreaWrapper {
  width: 15000px;
  overflow-x: scroll;
}
</style>

<div class="chartWrapper">
  <div class="chartAreaWrapper">
    <canvas id="chart" height="400" width="15000"></canvas>
  </div>
</div>

For more examples, check out - http://jsfiddle.net/rbdqxfzL/140

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