nvd3
Version:
A reusable charting library written in d3.js
89 lines (75 loc) • 2.38 kB
HTML
<html>
<head>
<meta charset="utf-8">
<link href="../build/nv.d3.css" rel="stylesheet" type="text/css">
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.17/d3.min.js" charset="utf-8"></script>
<script src="../build/nv.d3.js"></script>
<style>
text {
font: 12px sans-serif;
}
svg {
display: block;
}
html, body {
margin: 0px;
padding: 0px;
}
svg.sparkline {
width: 500px;
height: 70px;
font-size: 14px;
margin-top: -6px;
}
</style>
</head>
<body class='with-3d-shadow with-transitions'>
<p><svg id="chart1" class="sparkline"></svg></p>
<p><svg id="chart2" class="sparkline"></svg></p>
<p><svg id="chart3" class="sparkline"></svg></p>
<script>
function defaultChartConfig(containerId, data) {
nv.addGraph(function() {
var chart = nv.models.sparklinePlus();
chart.margin({left:70})
.x(function(d,i) { return i })
.showLastValue(true)
.xTickFormat(function(d) {
return d3.time.format('%x')(new Date(data[d].x))
});
d3.select(containerId)
.datum(data)
.call(chart);
return chart;
});
}
defaultChartConfig("#chart1",sine());
defaultChartConfig("#chart2", volatileChart(130.0, 0.02));
defaultChartConfig("#chart3", volatileChart(25.0, 0.09,30));
function sine() {
var sin = [];
var now =+new Date();
for (var i = 0; i < 100; i++) {
sin.push({x: now + i * 1000 * 60 * 60 * 24, y: Math.sin(i/10)});
}
return sin;
}
function volatileChart(startPrice, volatility, numPoints) {
var rval = [];
var now =+new Date();
numPoints = numPoints || 100;
for(var i = 1; i < numPoints; i++) {
rval.push({x: now + i * 1000 * 60 * 60 * 24, y: startPrice});
var rnd = Math.random();
var changePct = 2 * volatility * rnd;
if ( changePct > volatility) {
changePct -= (2*volatility);
}
startPrice = startPrice + startPrice * changePct;
}
return rval;
}
</script>
</body>
</html>