Chart.js is a JavaScript library for creating line charts with elegant data visualization. To make your lines curved, use the new option to create Monotone Lines in Chart.

How to Create Curved Lines Instead of Straight Lines in Chart.js?

In this tutorial, we’ll show you how to make a In chart js, you may create a curved line graph.. The reason for this is because in Chart js one, the default line chart was always curved, whereas the first one was straight. In Chart js 3, however, the default is always set to straight lines.

In chart js, you may create a curved line graph.

So let’s get started and see how we can use charts to generate curved lines instead of straight lines. Then there’s the matter of adding the Chart Js library to the mix. So let’s take care of it as well. The CDN may be copied.

Because this code relies on the ChartJS library, make sure it’s always above the Chart or JavaScript code. And all we’re going to do is insert a Div and then nest the canvas.

How to Create Curved Lines Instead of Straight Lines in Chart




So, the first thing we need to do is go over to ChartJS. We’ll start by obtaining the line chart’s basic documentation.

You’ll also find the alternatives here. It also features a lineTension option. Let me go down a little more and you’ll see you in the possibilities. We’ll search for the lineTension variable. When we get someplace down here, the lineTension is set to zero by default. So, if we click on lineTension, we’ll notice a few things.


It has been set to zero. This is the default configuration. So we say you may put any choices in here. Let’s pretend I’m going to place a BJ curve tension here. It’s a fantastic term to use.

Let’s start with a zero. If we do a zero and a comma here, save it, and come back here. Refresh. Because the default is set to zero, nothing has changed. So, if you want a beautiful elastic curve, you just need to execute 0. It would be more than plenty if there were four of them.


You can see what I mean. As you can see, we can now start to obtain a more elastic style while keeping the tension at a reasonable level. If you place it on one, the tension will be relieved to such an extent that strange forms may result. It seems like an elastic band has been broken into two parts or has been snapped, as seen above. And what’s occurring is that there’s no longer any tension.

There is no tension. I’m wondering if you could make it two. Let’s see how things go. So there you have it. You can see how the focus doesn’t make any sense right now.

Of course, this is not encouraged, but I believe that 0.5 or 0.4 should enough. According to my own experience, 0.4 is the best value. As may be seen. You’ll see that this is more normal, and we may even go further when we gradually reduce the tension until it reaches zero, at which point the tension will be as high as possible.

As you can see if it gets to 0.1, it’s starting to grow more straight. Here. Now you can see the form of a straight line, with just very little rounded edges here, curves that keep the tension a little bit elastic.

And, of course, if you enter zero, we return to the straight line, and you can see here that the edges are quite firm and crisp. This is essentially how you may control how much tension you want to build up or release.

I believe that 0.4 is more than enough to get rounded curves. Thank you for taking the time to view this video, and I hope you enjoyed it. And if you liked the last video, you’ll probably like this one as well. And if you’re interested in charges, there’s a link in the description box that will take you to my charges course, where you can learn all there is to know about charges, and don’t forget to subscribe to my channel.

The article How to Use Curved Lines in Chart.js Instead of Straight Lines first published on Software Development | Programming Tutorials.

Frequently Asked Questions

How to make curved line in chart js?

A: You can use this to create a curved line in your chart.

How do you make a wavy line graph?

A: You make a wavy line graph by changing the y axis or adding steps to the x axis.

Can a line graph be curved?

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