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| author | Igor Sfiligoi <isfiligoi@ucsd.edu> | 2009-10-23 09:07:01 -0400 |
|---|---|---|
| committer | Igor Sfiligoi <isfiligoi@ucsd.edu> | 2009-10-23 09:07:01 -0400 |
| commit | af26aaa53d073a7b2d25caee93e1cb5ceb2e099c (patch) | |
| tree | bcb8d15baea1f07375d1dedea414b1b95d58caa6 /examples/annotating.html | |
| parent | bf64e197b39d3f10b6145612802a6f169248cb45 (diff) | |
flot-0.6
Diffstat (limited to 'examples/annotating.html')
| -rw-r--r-- | examples/annotating.html | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/examples/annotating.html b/examples/annotating.html new file mode 100644 index 0000000..9d99ea4 --- /dev/null +++ b/examples/annotating.html @@ -0,0 +1,75 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> +<html> + <head> + <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> + <title>Flot Examples</title> + <link href="layout.css" rel="stylesheet" type="text/css"></link> + <!--[if IE]><script language="javascript" type="text/javascript" src="../excanvas.min.js"></script><![endif]--> + <script language="javascript" type="text/javascript" src="../jquery.js"></script> + <script language="javascript" type="text/javascript" src="../jquery.flot.js"></script> + </head> + <body> + <h1>Flot Examples</h1> + + <div id="placeholder" style="width:600px;height:300px;"></div> + + <p>Flot has support for simple background decorations such as + lines and rectangles. They can be useful for marking up certain + areas. You can easily add any HTML you need with standard DOM + manipulation, e.g. for labels. For drawing custom shapes there is + also direct access to the canvas.</p> + +<script id="source" language="javascript" type="text/javascript"> +$(function () { + // generate a dataset + var d1 = []; + for (var i = 0; i < 20; ++i) + d1.push([i, Math.sin(i)]); + + var data = [{ data: d1, label: "Pressure", color: "#333" }]; + + // setup background areas + var markings = [ + { color: '#f6f6f6', yaxis: { from: 1 } }, + { color: '#f6f6f6', yaxis: { to: -1 } }, + { color: '#000', lineWidth: 1, xaxis: { from: 2, to: 2 } }, + { color: '#000', lineWidth: 1, xaxis: { from: 8, to: 8 } } + ]; + + var placeholder = $("#placeholder"); + + // plot it + var plot = $.plot(placeholder, data, { + bars: { show: true, barWidth: 0.5, fill: 0.9 }, + xaxis: { ticks: [], autoscaleMargin: 0.02 }, + yaxis: { min: -2, max: 2 }, + grid: { markings: markings } + }); + + // add labels + var o; + + o = plot.pointOffset({ x: 2, y: -1.2}); + // we just append it to the placeholder which Flot already uses + // for positioning + placeholder.append('<div style="position:absolute;left:' + (o.left + 4) + 'px;top:' + o.top + 'px;color:#666;font-size:smaller">Warming up</div>'); + + o = plot.pointOffset({ x: 8, y: -1.2}); + placeholder.append('<div style="position:absolute;left:' + (o.left + 4) + 'px;top:' + o.top + 'px;color:#666;font-size:smaller">Actual measurements</div>'); + + // draw a little arrow on top of the last label to demonstrate + // canvas drawing + var ctx = plot.getCanvas().getContext("2d"); + ctx.beginPath(); + o.left += 4; + ctx.moveTo(o.left, o.top); + ctx.lineTo(o.left, o.top - 10); + ctx.lineTo(o.left + 10, o.top - 5); + ctx.lineTo(o.left, o.top); + ctx.fillStyle = "#000"; + ctx.fill(); +}); +</script> + + </body> +</html> |