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<!doctype html>
<html>
<head>
<title>Scatter Chart</title>
<script src="../dist/Chart.bundle.js"></script>
<script src="http://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
<style>
canvas {
-moz-user-select: none;
-webkit-user-select: none;
-ms-user-select: none;
}
</style>
</head>
<body>
<div style="width:75%">
<div>
<canvas id="canvas"></canvas>
</div>
</div>
<script>
var randomScalingFactor = function() {
return Math.round(Math.random() * 10.0) * Math.pow(10, Math.ceil(Math.random() * 5));
};
var randomColor = function(opacity) {
return 'rgba(' + Math.round(Math.random() * 255) + ',' + Math.round(Math.random() * 255) + ',' + Math.round(Math.random() * 255) + ',' + (opacity || '.3') + ')';
};
var scatterChartData = {
datasets: [{
label: "V(node2)",
data: [{
x: 1,
y: -1.711e-2,
}, {
x: 1.26,
y: -2.708e-2,
}, {
x: 1.58,
y: -4.285e-2,
}, {
x: 2.0,
y: -6.772e-2,
}, {
x: 2.51,
y: -1.068e-1,
}, {
x: 3.16,
y: -1.681e-1,
}, {
x: 3.98,
y: -2.635e-1,
}, {
x: 5.01,
y: -4.106e-1,
}, {
x: 6.31,
y: -6.339e-1,
}, {
x: 7.94,
y: -9.659e-1,
}, {
x: 10.00,
y: -1.445,
}, {
x: 12.6,
y: -2.110,
}, {
x: 15.8,
y: -2.992,
}, {
x: 20.0,
y: -4.102,
}, {
x: 25.1,
y: -5.429,
}, {
x: 31.6,
y: -6.944,
}, {
x: 39.8,
y: -8.607,
}, {
x: 50.1,
y: -1.038e1,
}, {
x: 63.1,
y: -1.223e1,
}, {
x: 79.4,
y: -1.413e1,
}, {
x: 100.00,
y: -1.607e1,
}, {
x: 126,
y: -1.803e1,
}, {
x: 158,
y: -2e1,
}, {
x: 200,
y: -2.199e1,
}, {
x: 251,
y: -2.398e1,
}, {
x: 316,
y: -2.597e1,
}, {
x: 398,
y: -2.797e1,
}, {
x: 501,
y: -2.996e1,
}, {
x: 631,
y: -3.196e1,
}, {
x: 794,
y: -3.396e1,
}, {
x: 1000,
y: -3.596e1,
},]
}]
};
$.each(scatterChartData.datasets, function(i, dataset) {
dataset.borderColor = randomColor(0.4);
dataset.backgroundColor = randomColor(0.1);
dataset.pointBorderColor = randomColor(0.7);
dataset.pointBackgroundColor = randomColor(0.5);
dataset.pointBorderWidth = 1;
});
window.onload = function() {
var ctx = document.getElementById("canvas").getContext("2d");
window.myScatter = Chart.Scatter(ctx, {
data: scatterChartData,
options: {
title: {
display: true,
text: 'Chart.js Scatter Chart - Logarithmic X-Axis'
},
scales: {
xAxes: [{
type: 'logarithmic',
position: 'bottom',
ticks: {
userCallback: function(tick) {
var remain = tick / (Math.pow(10, Math.floor(Chart.helpers.log10(tick))));
if (remain === 1 || remain === 2 || remain === 5) {
return tick.toString() + "Hz";
}
return '';
},
},
scaleLabel: {
labelString: 'Frequency',
display: true,
}
}],
yAxes: [{
type: 'linear',
ticks: {
userCallback: function(tick) {
return tick.toString() + "dB";
}
},
scaleLabel: {
labelString: 'Voltage',
display: true
}
}]
}
}
});
};
</script>
</body>
</html>