| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153 | <!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>
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