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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Highlighted Region</title>
<link rel="stylesheet" type="text/css" href="../dist/dygraph.css" />
<link rel="stylesheet" type="text/css" href="../common/vextlnk.css" />
<script type="text/javascript" src="../dist/dygraph.js"></script>
<script type="text/javascript" src="data.js"></script>
</head>
<body>
<p>Should draw a time series with an unusual region highlighted:</p>
<div id="div_g" style="width:600px; height:300px;"></div>
<p>When you zoom/pan, the region should remain highlighted.</p>
<script type="text/javascript"><!--//--><![CDATA[//><!--
Dygraph.onDOMready(function onDOMready() {
// A basic sinusoidal data series.
var data = [];
for (var i = 0; i < 1000; i++) {
var base = 10 * Math.sin(i / 90.0);
data.push([i, base, base + Math.sin(i / 2.0)]);
}
// Shift one portion out of line.
var highlight_start = 450;
var highlight_end = 500;
for (var i = highlight_start; i <= highlight_end; i++) {
data[i][2] += 5.0;
}
var g = new Dygraph(
document.getElementById("div_g"),
data,
{
labels: ['X', 'Est.', 'Actual'],
animatedZooms: true,
underlayCallback: function(canvas, area, g) {
var bottom_left = g.toDomCoords(highlight_start, -20);
var top_right = g.toDomCoords(highlight_end, +20);
var left = bottom_left[0];
var right = top_right[0];
canvas.fillStyle = "rgba(255, 255, 102, 1.0)";
canvas.fillRect(left, area.y, right - left, area.h);
}
}
);
});
//--><!]]></script>
</body>
</html>
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