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<title>Flot Examples</title>
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<script language="javascript" type="text/javascript" src="../jquery.flot.selection.js"></script>
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<h1>Flot Examples</h1>
<div style="float:left">
<div id="placeholder" style="width:500px;height:300px"></div>
</div>
<div id="miniature" style="float:left;margin-left:20px">
<div id="overview" style="width:166px;height:100px"></div>
<p id="overviewLegend" style="margin-left:10px"></p>
</div>
<p style="clear:left">The 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>
<script id="source">
$(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);
// setup overview
var overview = $.plot($("#overview"), startData, {
legend: { show: true, container: $("#overviewLegend") },
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);
});
});
</script>
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