projects / dygraphs.git / blame
| Commit | Line | Data |
|---|---|---|
| 54425b14 | 1 | <!DOCTYPE html> |
| 599fb4ad DV |
2 | <html> |
| 3 | <head> | |
| 10494b48 | 4 | <meta http-equiv="X-UA-Compatible" content="IE=EmulateIE7; IE=EmulateIE9"> |
| 599fb4ad DV |
5 | <title>noise</title> |
| 6 | <!--[if IE]> | |
| a2b2c3a1 | 7 | <script type="text/javascript" src="../excanvas.js"></script> |
| 599fb4ad | 8 | <![endif]--> |
| 7e5ddc94 DV |
9 | <!-- |
| 10 | For production (minified) code, use: | |
| 11 | <script type="text/javascript" src="dygraph-combined.js"></script> | |
| 12 | --> | |
| 13 | <script type="text/javascript" src="../dygraph-dev.js"></script> | |
| 14 | ||
| 599fb4ad DV |
15 | </head> |
| 16 | <body> | |
| 17 | <div id="div_g"></div> | |
| 18 | <b>Zoom:</b> | |
| 19 | <a href="#" onclick="zoom(3600)">hour</a> | |
| 20 | <a href="#" onclick="zoom(86400)">day</a> | |
| 21 | <a href="#" onclick="zoom(604800)">week</a> | |
| 22 | <a href="#" onclick="zoom(30 * 86400)">month</a> | |
| 23 | <a href="#" onclick="reset()">full</a> | |
| 24 | <b>Pan:</b> | |
| 25 | <a href="#" onclick="pan(-1)">left</a> | |
| 26 | <a href="#" onclick="pan(+1)">right</a> | |
| 27 | ||
| 28 | <script type="text/javascript"> | |
| 29 | var r = [ ]; | |
| 30 | var base_time = Date.parse("2008/07/01"); | |
| 31 | var num = 24 * 0.25 * 365; | |
| 32 | for (var i = 0; i < num; i++) { | |
| 33 | r.push([ new Date(base_time + i * 3600 * 1000), | |
| 34 | i + 50 * (i % 60), // line | |
| 35 | i * (num - i) * 4.0 / num // parabola | |
| 36 | ]); | |
| 37 | } | |
| 38 | var orig_range = [ r[0][0].valueOf(), r[r.length - 1][0].valueOf() ]; | |
| 39 | g = new Dygraph( | |
| 40 | document.getElementById("div_g"), | |
| 41 | r, { | |
| 42 | rollPeriod: 7, | |
| 43 | // errorBars: true, | |
| 44 | width: 600, | |
| 45 | height: 300, | |
| 46 | labels: ["Date", "a", "b"] | |
| 47 | } | |
| 48 | ); | |
| 49 | ||
| 50 | var desired_range = null; | |
| 51 | function approach_range() { | |
| 52 | if (!desired_range) return; | |
| 53 | // go halfway there | |
| 54 | var range = g.xAxisRange(); | |
| 55 | if (Math.abs(desired_range[0] - range[0]) < 60 && | |
| 56 | Math.abs(desired_range[1] - range[1]) < 60) { | |
| 57 | g.updateOptions({dateWindow: desired_range}); | |
| 58 | // (do not set another timeout.) | |
| 59 | } else { | |
| 60 | var new_range; | |
| 61 | new_range = [0.5 * (desired_range[0] + range[0]), | |
| 62 | 0.5 * (desired_range[1] + range[1])]; | |
| 63 | g.updateOptions({dateWindow: new_range}); | |
| 64 | animate(); | |
| 65 | } | |
| 66 | } | |
| 67 | function animate() { | |
| 68 | setTimeout(approach_range, 50); | |
| 69 | } | |
| 70 | ||
| 71 | function zoom(res) { | |
| 72 | var w = g.xAxisRange(); | |
| 73 | desired_range = [ w[0], w[0] + res * 1000 ]; | |
| 74 | animate(); | |
| 75 | } | |
| 76 | ||
| 77 | function reset() { | |
| 78 | desired_range = orig_range; | |
| 79 | animate(); | |
| 80 | } | |
| 81 | ||
| 82 | function pan(dir) { | |
| 83 | var w = g.xAxisRange(); | |
| 84 | var scale = w[1] - w[0]; | |
| 85 | var amount = scale * 0.25 * dir; | |
| 86 | desired_range = [ w[0] + amount, w[1] + amount ]; | |
| 87 | animate(); | |
| 88 | } | |
| 89 | </script> | |
| 90 | </body> | |
| 91 | </html> |