Chart.js/samples/charts/scatter/multi-axis.html

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<!doctype html>
<html>
<head>
<title>Scatter Chart Multi Axis</title>
<script src="../../../dist/chart.min.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:75%">
<canvas id="canvas"></canvas>
</div>
<button id="randomizeData">Randomize Data</button>
<script>
var color = Chart.helpers.color;
var scatterChartData = {
datasets: [{
label: 'My First dataset',
xAxisID: 'x',
yAxisID: 'y',
borderColor: window.chartColors.red,
backgroundColor: color(window.chartColors.red).alpha(0.2).rgbString(),
data: [{
x: randomScalingFactor(),
y: randomScalingFactor(),
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
}]
}, {
label: 'My Second dataset',
xAxisID: 'x',
yAxisID: 'y2',
borderColor: window.chartColors.blue,
backgroundColor: color(window.chartColors.blue).alpha(0.2).rgbString(),
data: [{
x: randomScalingFactor(),
y: randomScalingFactor(),
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
}]
}]
};
window.onload = function() {
var ctx = document.getElementById('canvas').getContext('2d');
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window.myScatter = new Chart(ctx, {
type: 'scatter',
data: scatterChartData,
options: {
responsive: true,
interaction: {
intersect: true,
mode: 'nearest'
},
plugins: {
title: {
display: true,
text: 'Chart.js Scatter Chart - Multi Axis'
}
},
scales: {
x: {
position: 'bottom',
},
y: {
type: 'linear', // only linear but allow scale type registration. This allows extensions to exist solely for log scale for instance
display: true,
position: 'left',
ticks: {
font: {
color: window.chartColors.red
}
}
},
y2: {
type: 'linear', // only linear but allow scale type registration. This allows extensions to exist solely for log scale for instance
display: true,
position: 'right',
reverse: true,
ticks: {
font: {
color: window.chartColors.blue
}
},
gridLines: {
drawOnChartArea: false, // only want the grid lines for one axis to show up
}
}
}
}
});
};
document.getElementById('randomizeData').addEventListener('click', function() {
scatterChartData.datasets.forEach(function(dataset) {
dataset.data = dataset.data.map(function() {
return {
x: randomScalingFactor(),
y: randomScalingFactor()
};
});
});
window.myScatter.update();
});
</script>
</body>
</html>