Remove some dead data handler coder (#787)
[dygraphs.git] / tests / highlighted-region.html
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54425b14 1<!DOCTYPE html>
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2<html>
3 <head>
93a5bb4c 4 <link rel="stylesheet" href="../css/dygraph.css">
d9e6fa47 5 <title>Highlighted Region</title>
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6 <!--
7 For production (minified) code, use:
8 <script type="text/javascript" src="dygraph-combined.js"></script>
9 -->
fbd6834a 10 <script type="text/javascript" src="../dist/dygraph.js"></script>
7e5ddc94 11
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12 <script type="text/javascript" src="data.js"></script>
13 </head>
14 <body>
15 <p>Should draw a time series with an unusual region highlighted:</p>
16 <div id="div_g" style="width:600px; height:300px;"></div>
17
18 <p>When you zoom/pan, the region should remain highlighted.</p>
19
20 <script type="text/javascript">
21 // A basic sinusoidal data series.
22 var data = [];
23 for (var i = 0; i < 1000; i++) {
24 var base = 10 * Math.sin(i / 90.0);
25 data.push([i, base, base + Math.sin(i / 2.0)]);
26 }
27
28 // Shift one portion out of line.
29 var highlight_start = 450;
30 var highlight_end = 500;
31 for (var i = highlight_start; i <= highlight_end; i++) {
32 data[i][2] += 5.0;
33 }
34
35
f6fbf9e0 36 var g = new Dygraph(
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37 document.getElementById("div_g"),
38 data,
39 {
40 labels: ['X', 'Est.', 'Actual'],
b1a3b195 41 animatedZooms: true,
04143109 42 underlayCallback: function(canvas, area, g) {
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43 var bottom_left = g.toDomCoords(highlight_start, -20);
44 var top_right = g.toDomCoords(highlight_end, +20);
45
46 var left = bottom_left[0];
47 var right = top_right[0];
48
eb7bf005 49 canvas.fillStyle = "rgba(255, 255, 102, 1.0)";
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50 canvas.fillRect(left, area.y, right - left, area.h);
51 }
52
53 }
54 );
55 </script>
56 </body>
57</html>