Chart.js/samples/charts/radar-skip-points.html
2018-02-03 13:28:54 +01:00

110 lines
2.5 KiB
HTML

<!doctype html>
<html>
<head>
<title>Radar Chart</title>
<script src="../../dist/Chart.bundle.js"></script>
<script src="../utils.js"></script>
<style>
canvas {
-moz-user-select: none;
-webkit-user-select: none;
-ms-user-select: none;
}
</style>
</head>
<body>
<div style="width:40%">
<canvas id="canvas"></canvas>
</div>
<button id="randomizeData">Randomize Data</button>
<script>
var randomScalingFactor = function() {
return Math.round(Math.random() * 100);
};
var color = Chart.helpers.color;
var config = {
type: 'radar',
data: {
labels: ['Eating', 'Drinking', 'Sleeping', 'Designing', 'Coding', 'Cycling', 'Running'],
datasets: [{
label: 'Skip first dataset',
borderColor: window.chartColors.red,
backgroundColor: color(window.chartColors.red).alpha(0.2).rgbString(),
pointBackgroundColor: window.chartColors.red,
data: [
NaN,
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor()
]
}, {
label: 'Skip mid dataset',
borderColor: window.chartColors.blue,
backgroundColor: color(window.chartColors.blue).alpha(0.2).rgbString(),
pointBackgroundColor: window.chartColors.blue,
data: [
randomScalingFactor(),
randomScalingFactor(),
NaN,
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor()
]
}, {
label: 'Skip last dataset',
borderColor: window.chartColors.green,
backgroundColor: color(window.chartColors.green).alpha(0.2).rgbString(),
pointBackgroundColor: window.chartColors.green,
data: [
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
NaN
]
}]
},
options: {
title: {
display: true,
text: 'Chart.js Radar Chart - Skip Points'
},
elements: {
line: {
tension: 0.0,
}
},
scale: {
beginAtZero: true,
}
}
};
window.onload = function() {
window.myRadar = new Chart(document.getElementById('canvas'), config);
};
document.getElementById('randomizeData').addEventListener('click', function() {
config.data.datasets.forEach(function(dataset) {
dataset.data = dataset.data.map(function() {
return randomScalingFactor();
});
});
window.myRadar.update();
});
</script>
</body>
</html>