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- <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
- <html>
- <head>
- <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
- <title>Flot Examples: Interacting with axes</title>
- <link href="../examples.css" rel="stylesheet" type="text/css">
- <!--[if lte IE 8]><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>
- <script type="text/javascript">
- $(function() {
- function generate(start, end, fn) {
- var res = [];
- for (var i = 0; i <= 100; ++i) {
- var x = start + i / 100 * (end - start);
- res.push([x, fn(x)]);
- }
- return res;
- }
- var data = [
- { data: generate(0, 10, function (x) { return Math.sqrt(x);}), xaxis: 1, yaxis:1 },
- { data: generate(0, 10, function (x) { return Math.sin(x);}), xaxis: 1, yaxis:2 },
- { data: generate(0, 10, function (x) { return Math.cos(x);}), xaxis: 1, yaxis:3 },
- { data: generate(2, 10, function (x) { return Math.tan(x);}), xaxis: 2, yaxis: 4 }
- ];
- var plot = $.plot("#placeholder", data, {
- xaxes: [
- { position: 'bottom' },
- { position: 'top'}
- ],
- yaxes: [
- { position: 'left' },
- { position: 'left' },
- { position: 'right' },
- { position: 'left' }
- ]
- });
- // Create a div for each axis
- $.each(plot.getAxes(), function (i, axis) {
- if (!axis.show)
- return;
- var box = axis.box;
- $("<div class='axisTarget' style='position:absolute; left:" + box.left + "px; top:" + box.top + "px; width:" + box.width + "px; height:" + box.height + "px'></div>")
- .data("axis.direction", axis.direction)
- .data("axis.n", axis.n)
- .css({ backgroundColor: "#f00", opacity: 0, cursor: "pointer" })
- .appendTo(plot.getPlaceholder())
- .hover(
- function () { $(this).css({ opacity: 0.10 }) },
- function () { $(this).css({ opacity: 0 }) }
- )
- .click(function () {
- $("#click").text("You clicked the " + axis.direction + axis.n + "axis!")
- });
- });
- // Add the Flot version string to the footer
- $("#footer").prepend("Flot " + $.plot.version + " – ");
- });
- </script>
- </head>
- <body>
- <div id="header">
- <h2>Interacting with axes</h2>
- </div>
- <div id="content">
- <div class="demo-container">
- <div id="placeholder" class="demo-placeholder"></div>
- </div>
- <p>With multiple axes, you sometimes need to interact with them. A simple way to do this is to draw the plot, deduce the axis placements and insert a couple of divs on top to catch events.</p>
- <p>Try clicking an axis.</p>
- <p id="click"></p>
- </div>
- <div id="footer">
- Copyright © 2007 - 2014 IOLA and Ole Laursen
- </div>
- </body>
- </html>
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