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<!doctype html>

<title>flot.tooltip plugin example page</title>
    <meta name="author" content="@krzysu, myviews.pl">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">

<div id="header">
		<h2>Thresholds</h2>
	</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>

<div id="footer">
		Copyright &copy; 2007 - 2013 IOLA and Ole Laursen
	</div>

$(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,
				label: "test",
				color: "rgb(30, 180, 20)",
				threshold: {
					below: t,
					color: "rgb(200, 20, 30)"
				},
				lines: {
					steps: true
				}
			}], {
				grid: {
          hoverable: true //IMPORTANT! this is needed for tooltip to work
        },
        tooltip: {
          show: true,
          content: "x: %x, y: %y, series: %s"
        }
			});
		}

plotWithOptions(0);

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

// Add the Flot version string to the footer

$("#footer").prepend("Flot " + $.plot.version + " &ndash; ");
	});

</script>

</body>
</html>

/home/emeraadmin/www/node_modules/os-tmpdir/../jquery.flot.tooltip/examples/threshold.html