Commit | Line | Data |
---|---|---|
54425b14 | 1 | <!DOCTYPE html> |
599fb4ad DV |
2 | <html> |
3 | <head> | |
93a5bb4c | 4 | <link rel="stylesheet" href="../css/dygraph.css"> |
599fb4ad | 5 | <title>noise</title> |
7e5ddc94 DV |
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 | |
599fb4ad DV |
12 | </head> |
13 | <body> | |
14 | <div id="div_g"></div> | |
15 | <b>Zoom:</b> | |
16 | <a href="#" onclick="zoom(3600)">hour</a> | |
17 | <a href="#" onclick="zoom(86400)">day</a> | |
18 | <a href="#" onclick="zoom(604800)">week</a> | |
19 | <a href="#" onclick="zoom(30 * 86400)">month</a> | |
20 | <a href="#" onclick="reset()">full</a> | |
21 | <b>Pan:</b> | |
22 | <a href="#" onclick="pan(-1)">left</a> | |
23 | <a href="#" onclick="pan(+1)">right</a> | |
24 | ||
25 | <script type="text/javascript"> | |
26 | var r = [ ]; | |
27 | var base_time = Date.parse("2008/07/01"); | |
28 | var num = 24 * 0.25 * 365; | |
29 | for (var i = 0; i < num; i++) { | |
30 | r.push([ new Date(base_time + i * 3600 * 1000), | |
31 | i + 50 * (i % 60), // line | |
32 | i * (num - i) * 4.0 / num // parabola | |
33 | ]); | |
34 | } | |
35 | var orig_range = [ r[0][0].valueOf(), r[r.length - 1][0].valueOf() ]; | |
36 | g = new Dygraph( | |
37 | document.getElementById("div_g"), | |
38 | r, { | |
39 | rollPeriod: 7, | |
b1a3b195 | 40 | animatedZooms: true, |
599fb4ad DV |
41 | // errorBars: true, |
42 | width: 600, | |
43 | height: 300, | |
44 | labels: ["Date", "a", "b"] | |
45 | } | |
46 | ); | |
47 | ||
48 | var desired_range = null; | |
49 | function approach_range() { | |
50 | if (!desired_range) return; | |
51 | // go halfway there | |
52 | var range = g.xAxisRange(); | |
53 | if (Math.abs(desired_range[0] - range[0]) < 60 && | |
54 | Math.abs(desired_range[1] - range[1]) < 60) { | |
55 | g.updateOptions({dateWindow: desired_range}); | |
56 | // (do not set another timeout.) | |
57 | } else { | |
58 | var new_range; | |
59 | new_range = [0.5 * (desired_range[0] + range[0]), | |
60 | 0.5 * (desired_range[1] + range[1])]; | |
61 | g.updateOptions({dateWindow: new_range}); | |
62 | animate(); | |
63 | } | |
64 | } | |
65 | function animate() { | |
66 | setTimeout(approach_range, 50); | |
67 | } | |
68 | ||
69 | function zoom(res) { | |
70 | var w = g.xAxisRange(); | |
71 | desired_range = [ w[0], w[0] + res * 1000 ]; | |
72 | animate(); | |
73 | } | |
74 | ||
75 | function reset() { | |
76 | desired_range = orig_range; | |
77 | animate(); | |
78 | } | |
79 | ||
80 | function pan(dir) { | |
81 | var w = g.xAxisRange(); | |
82 | var scale = w[1] - w[0]; | |
83 | var amount = scale * 0.25 * dir; | |
84 | desired_range = [ w[0] + amount, w[1] + amount ]; | |
85 | animate(); | |
86 | } | |
87 | </script> | |
88 | </body> | |
89 | </html> |