Currently, I am utilizing angular-chart.js for chart visualization. It is known that chart.js now supports stacked bar charts. However, I have been unable to figure out how to display numbers within each bar as shown in the following image: https://i.sstatic.net/cH2lu.jpg In the picture above, we can observe that each bar includes a number on it. Is there anyone familiar with how to achieve this functionality in angular-chart.js?
If you want to display numbers within each bar of a stacked bar chart, simply include the following code snippet in your options function:
animation: {
duration: 1,
onComplete: function () {
var chartInstance = this.chart,
ctx = chartInstance.ctx;
ctx.textAlign = 'center';
ctx.fillStyle = "rgba(0, 0, 0, 1)";
ctx.textBaseline = 'bottom';
this.data.datasets.forEach(function (dataset, i) {
var meta = chartInstance.controller.getDatasetMeta(i);
meta.data.forEach(function (bar, index) {
var data = dataset.data[index];
ctx.fillText(data, bar._model.x, bar._model.y - 5);
});
});
}
}
If you follow these steps, a tooltip will appear:
ctrl.socialChart = {
options : {
scales: {
xAxes: [{
stacked: true,
}],
yAxes: [{
stacked: true
}]
}
},
type: 'StackedBar',
labels: ['Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday', 'Sunday'],
series: ['FACEBOOK', 'GOOGLE', 'TWITTER', 'INSTAGRAM'],
colors: ['#ED402A', '#F0AB05', '#A0B421', '#00A39F'],
data : [
[65, 59, 90, 81, 56, 55, 40],
[28, 48, 40, 19, 96, 27, 100]
]
}
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