diff options
| author | Igor Sfiligoi <isfiligoi@ucsd.edu> | 2013-11-07 12:50:35 -0500 |
|---|---|---|
| committer | Igor Sfiligoi <isfiligoi@ucsd.edu> | 2013-11-07 12:50:35 -0500 |
| commit | 680241cbb652ee29088baa6cde2da02002e5ec47 (patch) | |
| tree | 3f0c17df67c0ab0e91542ae75fff175750581859 /examples/zooming | |
| parent | f361d0498d284c6c7f3f366bf88e49b93e1245f0 (diff) | |
Diffstat (limited to 'examples/zooming')
| -rw-r--r-- | examples/zooming/index.html | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/examples/zooming/index.html b/examples/zooming/index.html new file mode 100644 index 0000000..8d6b3cb --- /dev/null +++ b/examples/zooming/index.html @@ -0,0 +1,144 @@ +<!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: Selection and zooming</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 language="javascript" type="text/javascript" src="../../jquery.flot.selection.js"></script> + <script type="text/javascript"> + + $(function() { + + // setup plot + + function getData(x1, x2) { + + var d = []; + for (var i = 0; i <= 100; ++i) { + var x = x1 + i * (x2 - x1) / 100; + d.push([x, Math.sin(x * Math.sin(x))]); + } + + return [ + { label: "sin(x sin(x))", data: d } + ]; + } + + var options = { + legend: { + show: false + }, + series: { + lines: { + show: true + }, + points: { + show: true + } + }, + yaxis: { + ticks: 10 + }, + selection: { + mode: "xy" + } + }; + + var startData = getData(0, 3 * Math.PI); + + var plot = $.plot("#placeholder", startData, options); + + // Create the overview plot + + var overview = $.plot("#overview", startData, { + legend: { + show: false + }, + series: { + lines: { + show: true, + lineWidth: 1 + }, + shadowSize: 0 + }, + xaxis: { + ticks: 4 + }, + yaxis: { + ticks: 3, + min: -2, + max: 2 + }, + grid: { + color: "#999" + }, + selection: { + mode: "xy" + } + }); + + // now connect the two + + $("#placeholder").bind("plotselected", function (event, ranges) { + + // clamp the zooming to prevent eternal zoom + + if (ranges.xaxis.to - ranges.xaxis.from < 0.00001) { + ranges.xaxis.to = ranges.xaxis.from + 0.00001; + } + + if (ranges.yaxis.to - ranges.yaxis.from < 0.00001) { + ranges.yaxis.to = ranges.yaxis.from + 0.00001; + } + + // do the zooming + + plot = $.plot("#placeholder", getData(ranges.xaxis.from, ranges.xaxis.to), + $.extend(true, {}, options, { + xaxis: { min: ranges.xaxis.from, max: ranges.xaxis.to }, + yaxis: { min: ranges.yaxis.from, max: ranges.yaxis.to } + }) + ); + + // don't fire event on the overview to prevent eternal loop + + overview.setSelection(ranges, true); + }); + + $("#overview").bind("plotselected", function (event, ranges) { + plot.setSelection(ranges); + }); + + // Add the Flot version string to the footer + + $("#footer").prepend("Flot " + $.plot.version + " – "); + }); + + </script> +</head> +<body> + + <div id="header"> + <h2>Selection and zooming</h2> + </div> + + <div id="content"> + + <div class="demo-container"> + <div id="placeholder" class="demo-placeholder" style="float:left; width:650px;"></div> + <div id="overview" class="demo-placeholder" style="float:right;width:160px; height:125px;"></div> + </div> + + <p>Selection support makes it easy to construct flexible zooming schemes. With a few lines of code, the small overview plot to the right has been connected to the large plot. Try selecting a rectangle on either of them.</p> + + </div> + + <div id="footer"> + Copyright © 2007 - 2013 IOLA and Ole Laursen + </div> + +</body> +</html> |