projects / dygraphs.git / blame
| Commit | Line | Data |
|---|---|---|
| 599fb4ad DV |
1 | <html> |
| 2 | <head> | |
| 3 | <title>noise</title> | |
| 4 | <!--[if IE]> | |
| 5 | <script type="text/javascript" src="excanvas.js"></script> | |
| 6 | <![endif]--> | |
| d37dca40 DV |
7 | <script type="text/javascript" src="../strftime/strftime-min.js"></script> |
| 8 | <script type="text/javascript" src="../rgbcolor/rgbcolor.js"></script> | |
| 599fb4ad DV |
9 | <script type="text/javascript" src="../dygraph-canvas.js"></script> |
| 10 | <script type="text/javascript" src="../dygraph.js"></script> | |
| 11 | </head> | |
| 12 | <body> | |
| 13 | <div id="div_g"></div> | |
| 14 | <b>Zoom:</b> | |
| 15 | <a href="#" onclick="zoom(3600)">hour</a> | |
| 16 | <a href="#" onclick="zoom(86400)">day</a> | |
| 17 | <a href="#" onclick="zoom(604800)">week</a> | |
| 18 | <a href="#" onclick="zoom(30 * 86400)">month</a> | |
| 19 | <a href="#" onclick="reset()">full</a> | |
| 20 | <b>Pan:</b> | |
| 21 | <a href="#" onclick="pan(-1)">left</a> | |
| 22 | <a href="#" onclick="pan(+1)">right</a> | |
| 23 | ||
| 24 | <script type="text/javascript"> | |
| 25 | var r = [ ]; | |
| 26 | var base_time = Date.parse("2008/07/01"); | |
| 27 | var num = 24 * 0.25 * 365; | |
| 28 | for (var i = 0; i < num; i++) { | |
| 29 | r.push([ new Date(base_time + i * 3600 * 1000), | |
| 30 | i + 50 * (i % 60), // line | |
| 31 | i * (num - i) * 4.0 / num // parabola | |
| 32 | ]); | |
| 33 | } | |
| 34 | var orig_range = [ r[0][0].valueOf(), r[r.length - 1][0].valueOf() ]; | |
| 35 | g = new Dygraph( | |
| 36 | document.getElementById("div_g"), | |
| 37 | r, { | |
| 38 | rollPeriod: 7, | |
| 39 | // errorBars: true, | |
| 40 | width: 600, | |
| 41 | height: 300, | |
| 42 | labels: ["Date", "a", "b"] | |
| 43 | } | |
| 44 | ); | |
| 45 | ||
| 46 | var desired_range = null; | |
| 47 | function approach_range() { | |
| 48 | if (!desired_range) return; | |
| 49 | // go halfway there | |
| 50 | var range = g.xAxisRange(); | |
| 51 | if (Math.abs(desired_range[0] - range[0]) < 60 && | |
| 52 | Math.abs(desired_range[1] - range[1]) < 60) { | |
| 53 | g.updateOptions({dateWindow: desired_range}); | |
| 54 | // (do not set another timeout.) | |
| 55 | } else { | |
| 56 | var new_range; | |
| 57 | new_range = [0.5 * (desired_range[0] + range[0]), | |
| 58 | 0.5 * (desired_range[1] + range[1])]; | |
| 59 | g.updateOptions({dateWindow: new_range}); | |
| 60 | animate(); | |
| 61 | } | |
| 62 | } | |
| 63 | function animate() { | |
| 64 | setTimeout(approach_range, 50); | |
| 65 | } | |
| 66 | ||
| 67 | function zoom(res) { | |
| 68 | var w = g.xAxisRange(); | |
| 69 | desired_range = [ w[0], w[0] + res * 1000 ]; | |
| 70 | animate(); | |
| 71 | } | |
| 72 | ||
| 73 | function reset() { | |
| 74 | desired_range = orig_range; | |
| 75 | animate(); | |
| 76 | } | |
| 77 | ||
| 78 | function pan(dir) { | |
| 79 | var w = g.xAxisRange(); | |
| 80 | var scale = w[1] - w[0]; | |
| 81 | var amount = scale * 0.25 * dir; | |
| 82 | desired_range = [ w[0] + amount, w[1] + amount ]; | |
| 83 | animate(); | |
| 84 | } | |
| 85 | </script> | |
| 86 | </body> | |
| 87 | </html> |