projects / dygraphs.git / blame
| Commit | Line | Data |
|---|---|---|
| d9e6fa47 DV |
1 | <html> |
| 2 | <head> | |
| 3 | <title>Highlighted Region</title> | |
| 4 | <!--[if IE]> | |
| a2b2c3a1 | 5 | <script type="text/javascript" src="../excanvas.js"></script> |
| d9e6fa47 DV |
6 | <![endif]--> |
| 7 | <script type="text/javascript" src="../strftime/strftime-min.js"></script> | |
| 8 | <script type="text/javascript" src="../rgbcolor/rgbcolor.js"></script> | |
| 9 | <script type="text/javascript" src="../dygraph-canvas.js"></script> | |
| 10 | <script type="text/javascript" src="../dygraph.js"></script> | |
| 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 | ||
| 35 | new Dygraph( | |
| 36 | document.getElementById("div_g"), | |
| 37 | data, | |
| 38 | { | |
| 39 | labels: ['X', 'Est.', 'Actual'], | |
| 40 | underlayCallback: function(canvas, area, layout, g) { | |
| 41 | var bottom_left = g.toDomCoords(highlight_start, -20); | |
| 42 | var top_right = g.toDomCoords(highlight_end, +20); | |
| 43 | ||
| 44 | var left = bottom_left[0]; | |
| 45 | var right = top_right[0]; | |
| 46 | ||
| eb7bf005 | 47 | canvas.fillStyle = "rgba(255, 255, 102, 1.0)"; |
| d9e6fa47 DV |
48 | canvas.fillRect(left, area.y, right - left, area.h); |
| 49 | } | |
| 50 | ||
| 51 | } | |
| 52 | ); | |
| 53 | </script> | |
| 54 | </body> | |
| 55 | </html> |