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<title>Flot Examples: Thresholds</title>
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<script language="javascript" type="text/javascript" src="../../jquery.flot.threshold.js"></script>
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$(function() {

        var d1 = [];
        for (var i = 0; i <= 60; i += 1) {
                d1.push([i, parseInt(Math.random() * 30 - 10)]);
        }

        function plotWithOptions(t) {
                $.plot("#placeholder", [{
                        data: d1,
                        color: "rgb(30, 180, 20)",
                        threshold: {
                                below: t,
                                color: "rgb(200, 20, 30)"
                        },
                        lines: {
                                steps: true
                        }
                }]);
        }

        plotWithOptions(0);

        $(".controls button").click(function (e) {
                e.preventDefault();
                var t = parseFloat($(this).text().replace("Threshold at ", ""));
                plotWithOptions(t);
        });

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        $("#footer").prepend("Flot " + $.plot.version + " &ndash; ");
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<div id="header">
        <h2>Thresholds</h2>
</div>

<div id="content">

        <div class="demo-container">
                <div id="placeholder" class="demo-placeholder"></div>
        </div>

        <p>With the threshold plugin, you can apply a specific color to the part of a data series below a threshold. This is can be useful for highlighting negative values, e.g. when displaying net results or what's in stock.</p>

        <p class="controls">
                <button>Threshold at 5</button>
                <button>Threshold at 0</button>
                <button>Threshold at -2.5</button>
        </p>

</div>

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        Copyright &copy; 2007 - 2014 IOLA and Ole Laursen
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