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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: Navigation</title> <link href="../examples.css" rel="stylesheet" type="text/css"> <style type="text/css"> #placeholder .button { position: absolute; cursor: pointer; } #placeholder div.button { font-size: smaller; color: #999; background-color: #eee; padding: 2px; } .message { padding-left: 50px; font-size: smaller; } </style> <!--[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 language="javascript" type="text/javascript" src="../../jquery.flot.navigate.js"></script> <script type="text/javascript"> $(function() { // generate data set from a parametric function with a fractal look function sumf(f, t, m) { var res = 0; for (var i = 1; i < m; ++i) { res += f(i * i * t) / (i * i); } return res; } var d1 = []; for (var t = 0; t <= 2 * Math.PI; t += 0.01) { d1.push([sumf(Math.cos, t, 10), sumf(Math.sin, t, 10)]); } var data = [ d1 ], placeholder = $("#placeholder"); var plot = $.plot(placeholder, data, { series: { lines: { show: true }, shadowSize: 0 }, xaxis: { zoomRange: [0.1, 10], panRange: [-10, 10] }, yaxis: { zoomRange: [0.1, 10], panRange: [-10, 10] }, zoom: { interactive: true }, pan: { interactive: true } }); // show pan/zoom messages to illustrate events placeholder.bind("plotpan", function (event, plot) { var axes = plot.getAxes(); $(".message").html("Panning to x: " + axes.xaxis.min.toFixed(2) + " – " + axes.xaxis.max.toFixed(2) + " and y: " + axes.yaxis.min.toFixed(2) + " – " + axes.yaxis.max.toFixed(2)); }); placeholder.bind("plotzoom", function (event, plot) { var axes = plot.getAxes(); $(".message").html("Zooming to x: " + axes.xaxis.min.toFixed(2) + " – " + axes.xaxis.max.toFixed(2) + " and y: " + axes.yaxis.min.toFixed(2) + " – " + axes.yaxis.max.toFixed(2)); }); // add zoom out button $("<div class='button' style='right:20px;top:20px'>zoom out</div>") .appendTo(placeholder) .click(function (event) { event.preventDefault(); plot.zoomOut(); }); // and add panning buttons // little helper for taking the repetitive work out of placing // panning arrows function addArrow(dir, right, top, offset) { $("<img class='button' src='arrow-" + dir + ".gif' style='right:" + right + "px;top:" + top + "px'>") .appendTo(placeholder) .click(function (e) { e.preventDefault(); plot.pan(offset); }); } addArrow("left", 55, 60, { left: -100 }); addArrow("right", 25, 60, { left: 100 }); addArrow("up", 40, 45, { top: -100 }); addArrow("down", 40, 75, { top: 100 }); // Add the Flot version string to the footer $("#footer").prepend("Flot " + $.plot.version + " – "); }); </script> </head> <body> <div id="header"> <h2>Navigation</h2> </div> <div id="content"> <div class="demo-container"> <div id="placeholder" class="demo-placeholder"></div> </div> <p class="message"></p> <p>With the navigate plugin it is easy to add panning and zooming. Drag to pan, double click to zoom (or use the mouse scrollwheel).</p> <p>The plugin fires events (useful for synchronizing several plots) and adds a couple of public methods so you can easily build a little user interface around it, like the little buttons at the top right in the plot.</p> </div> <div id="footer"> Copyright © 2007 - 2014 IOLA and Ole Laursen </div> </body> </html>