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<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Flot Examples</title>
<link href="layout.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>
</head>
<body>
<h1>Flot Examples</h1>
<div id="placeholder" style="width:600px;height:300px;"></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.
Try clicking an axis.</p>
<p id="click"></p>
<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' }
]
});
// now for each axis, create a div
$.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!")
});
});
});
</script>
</body>
</html>
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