DataHouse/static/highstock/examples/yaxis-plotlines/index.htm

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<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Highstock Example</title>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.2/jquery.min.js"></script>
<style type="text/css">
${demo.css}
</style>
<script type="text/javascript">
$(function () {
$.getJSON('http://www.highcharts.com/samples/data/jsonp.php?filename=usdeur.json&callback=?', function (data) {
var startDate = new Date(data[data.length - 1][0]), // Get year of last data point
minRate = 1,
maxRate = 0,
startPeriod = Date.UTC(startDate.getFullYear(), startDate.getMonth(), startDate.getDate()),
date,
rate,
index;
startDate.setMonth(startDate.getMonth() - 3); // a quarter of a year before last data point
for (index = data.length - 1; index >= 0; index = index - 1) {
date = data[index][0]; // data[i][0] is date
rate = data[index][1]; // data[i][1] is exchange rate
if (date < startPeriod) {
break; // stop measuring highs and lows
}
if (rate > maxRate) {
maxRate = rate;
}
if (rate < minRate) {
minRate = rate;
}
}
// Create the chart
$('#container').highcharts('StockChart', {
rangeSelector: {
selected: 1
},
title: {
text: 'USD to EUR exchange rate'
},
yAxis: {
title: {
text: 'Exchange rate'
},
plotLines: [{
value: minRate,
color: 'green',
dashStyle: 'shortdash',
width: 2,
label: {
text: 'Last quarter minimum'
}
}, {
value: maxRate,
color: 'red',
dashStyle: 'shortdash',
width: 2,
label: {
text: 'Last quarter maximum'
}
}]
},
series: [{
name: 'USD to EUR',
data: data,
tooltip: {
valueDecimals: 4
}
}]
});
});
});
</script>
</head>
<body>
<script src="../../js/highstock.js"></script>
<script src="../../js/modules/exporting.js"></script>
<div id="container" style="height: 400px; min-width: 310px"></div>
</body>
</html>