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sujan
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<title>Flot Examples: Navigation</title>
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<link href="../examples.css" rel="stylesheet" type="text/css">
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<style type="text/css">
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#placeholder .button {
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position: absolute;
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cursor: pointer;
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}
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#placeholder div.button {
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font-size: smaller;
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color: #999;
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background-color: #eee;
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padding: 2px;
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}
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.message {
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padding-left: 50px;
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font-size: smaller;
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}
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</style>
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<!--[if lte IE 8]><script language="javascript" type="text/javascript" src="../../excanvas.min.js"></script><![endif]-->
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<script language="javascript" type="text/javascript" src="../../jquery.js"></script>
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<script language="javascript" type="text/javascript" src="../../jquery.flot.js"></script>
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<script language="javascript" type="text/javascript" src="../../jquery.flot.navigate.js"></script>
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<script type="text/javascript">
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$(function() {
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// generate data set from a parametric function with a fractal look
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function sumf(f, t, m) {
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var res = 0;
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for (var i = 1; i < m; ++i) {
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res += f(i * i * t) / (i * i);
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}
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return res;
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}
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var d1 = [];
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for (var t = 0; t <= 2 * Math.PI; t += 0.01) {
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d1.push([sumf(Math.cos, t, 10), sumf(Math.sin, t, 10)]);
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}
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var data = [ d1 ],
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placeholder = $("#placeholder");
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var plot = $.plot(placeholder, data, {
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series: {
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lines: {
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show: true
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},
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shadowSize: 0
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},
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xaxis: {
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zoomRange: [0.1, 10],
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panRange: [-10, 10]
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},
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yaxis: {
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zoomRange: [0.1, 10],
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panRange: [-10, 10]
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},
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zoom: {
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interactive: true
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},
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pan: {
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interactive: true
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}
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});
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// show pan/zoom messages to illustrate events
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placeholder.bind("plotpan", function (event, plot) {
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var axes = plot.getAxes();
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$(".message").html("Panning to x: " + axes.xaxis.min.toFixed(2)
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+ " – " + axes.xaxis.max.toFixed(2)
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+ " and y: " + axes.yaxis.min.toFixed(2)
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+ " – " + axes.yaxis.max.toFixed(2));
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});
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placeholder.bind("plotzoom", function (event, plot) {
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var axes = plot.getAxes();
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$(".message").html("Zooming to x: " + axes.xaxis.min.toFixed(2)
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+ " – " + axes.xaxis.max.toFixed(2)
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+ " and y: " + axes.yaxis.min.toFixed(2)
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+ " – " + axes.yaxis.max.toFixed(2));
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});
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// add zoom out button
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$("<div class='button' style='right:20px;top:20px'>zoom out</div>")
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.appendTo(placeholder)
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.click(function (event) {
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event.preventDefault();
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plot.zoomOut();
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});
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// and add panning buttons
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// little helper for taking the repetitive work out of placing
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// panning arrows
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function addArrow(dir, right, top, offset) {
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$("<img class='button' src='arrow-" + dir + ".gif' style='right:" + right + "px;top:" + top + "px'>")
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.appendTo(placeholder)
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.click(function (e) {
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e.preventDefault();
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plot.pan(offset);
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});
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}
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addArrow("left", 55, 60, { left: -100 });
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addArrow("right", 25, 60, { left: 100 });
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addArrow("up", 40, 45, { top: -100 });
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addArrow("down", 40, 75, { top: 100 });
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// Add the Flot version string to the footer
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$("#footer").prepend("Flot " + $.plot.version + " – ");
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});
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</script>
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</head>
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<body>
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<div id="header">
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<h2>Navigation</h2>
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</div>
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<div id="content">
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<div class="demo-container">
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<div id="placeholder" class="demo-placeholder"></div>
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</div>
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<p class="message"></p>
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<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>
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<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>
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</div>
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<div id="footer">
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Copyright © 2007 - 2013 IOLA and Ole Laursen
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</div>
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</body>
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</html>
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