Merge pull request #600 from danvk/558-fill-artifacts
[dygraphs.git] / tests / highlighted-region.html
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54425b14 1<!DOCTYPE html>
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2<html>
3 <head>
4 <title>Highlighted Region</title>
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5 <!--
6 For production (minified) code, use:
7 <script type="text/javascript" src="dygraph-combined.js"></script>
8 -->
9 <script type="text/javascript" src="../dygraph-dev.js"></script>
10
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11 <script type="text/javascript" src="data.js"></script>
12 </head>
13 <body>
14 <p>Should draw a time series with an unusual region highlighted:</p>
15 <div id="div_g" style="width:600px; height:300px;"></div>
16
17 <p>When you zoom/pan, the region should remain highlighted.</p>
18
19 <script type="text/javascript">
20 // A basic sinusoidal data series.
21 var data = [];
22 for (var i = 0; i < 1000; i++) {
23 var base = 10 * Math.sin(i / 90.0);
24 data.push([i, base, base + Math.sin(i / 2.0)]);
25 }
26
27 // Shift one portion out of line.
28 var highlight_start = 450;
29 var highlight_end = 500;
30 for (var i = highlight_start; i <= highlight_end; i++) {
31 data[i][2] += 5.0;
32 }
33
34
f6fbf9e0 35 var g = new Dygraph(
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36 document.getElementById("div_g"),
37 data,
38 {
39 labels: ['X', 'Est.', 'Actual'],
b1a3b195 40 animatedZooms: true,
04143109 41 underlayCallback: function(canvas, area, g) {
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42 var bottom_left = g.toDomCoords(highlight_start, -20);
43 var top_right = g.toDomCoords(highlight_end, +20);
44
45 var left = bottom_left[0];
46 var right = top_right[0];
47
eb7bf005 48 canvas.fillStyle = "rgba(255, 255, 102, 1.0)";
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49 canvas.fillRect(left, area.y, right - left, area.h);
50 }
51
52 }
53 );
54 </script>
55 </body>
56</html>