1👍 ✅ Very sorry, Small thing finally I got the answer: scale: { ticks: { beginAtZero: true, max: 5, stepSize: 1 //working Now } } [Chartjs]-How create time line chat with selectable year dropdown Source:stackexchange.com
1👍 Here is a example with arrows, which lets you select time interval: const options = { chart: { type: ‘column’, panning: true, events: { load: function () { const chart = this const moveLeft = () => { let {min, max, dataMin} = chart.xAxis[0].getExtremes() if (min – 3 >= dataMin) { min -= 3 … Read more
1👍 ✅ You can achieve some overlap solution using these snippets: tooltips: { mode: ‘index’, intersect: false, yPadding: 2, xPadding: 2, caretSize: 0, borderWidth: 0, } [Chartjs]-ChartJS Line chart causes browser crash Source:stackexchange.com
1👍 ✅ Yes, there is a way to simply update the underlying chart.js chart data without having to re-instantiate the chart each and every time. You just need to use the update(duration, lazy) function from the API. Here is an example that I use in one of my apps (modified for your specific case). Note, … Read more
1👍 ✅ You should abandon using tables and use DIVs instead. Here is an example using a responsive 2×2 grid where each DIV contains your canvas. The css used was taken from this answer and modified for 2×2. <div class=”w”> <section> <div> <canvas id=”canvasLeftTop”></canvas> </div> <div> <canvas id=”canvasRightTop”></canvas> </div> <div> <canvas id=”canvasLeftBottom”></canvas> </div> <div> <canvas … Read more
1👍 ✅ Unfortunately, chart.js has trouble sometimes auto-fitting a time scale x-axis because of all the format variations and possibilities. You can do one of two things to solve this. Either expand the size of the chart container (so that there is more room to render the chart) or configure the time scale manually to … Read more
1👍 Assuming data.assay_values contains an array of numbers (for example [65, 59, 80, 81, 56, 55, 40]), and that you only want the chart to show the even values, you can use the below code to process your data array into a new array, only keeping the even numbers. Keep in mind that you also … Read more
1👍 ✅ That is surprising that it doesn’t work since the reverse option is a base config item (not specific to any certain scale). When I’m back at a computer I will investigate if this is a bug. In the meantime, you can use the tick callback option to format your labels. Here is an … Read more
1👍 Since you are already drawing the numbers on each point, its just a matter of drawing the text underline and line from point to the text. Basically, you use the same approach of calculating the x and y coordinates and draw away. Here is an updated function that draws what you are requesting (and … Read more
1👍 ✅ It looks like you were just trying to update the wrong legend config in the chart.js instance object. Here is the correct way. document.getElementById(‘hideLEgend’).addEventListener(‘click’, function() { // toggle visibility of legend myLine.options.legend.display = !myLine.options.legend.display; myLine.update(); }); The thing that you were trying to update (e.g. chart.legend.options) is just the default legend configuration object. … Read more