Created
December 8, 2012 19:48
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Real Time Update using setInterval
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<!DOCTYPE html> | |
<html> | |
<head> | |
<meta http-equiv="content-type" content="text/html; charset=UTF-8"> | |
<title> - jsFiddle demo by makoto</title> | |
<script type='text/javascript' src='https://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js'></script> | |
<link rel="stylesheet" type="text/css" href="/css/normalize.css"> | |
<link rel="stylesheet" type="text/css" href="/css/result-light.css"> | |
<script type='text/javascript' src="http://d3js.org/d3.v2.js"></script> | |
<style type='text/css'> | |
.chart rect { | |
background-color: steelblue; | |
text-align: right; | |
padding: 3px; | |
margin 1px; | |
color: white; | |
} | |
.chart rect { | |
stroke: white; | |
fill: steelblue; | |
} | |
.chart text { | |
fill: #ccc; | |
font: 10px monospace; | |
} | |
text.rule { | |
fill:black; | |
} | |
.chart { | |
border: 1px solid black; | |
} | |
</style> | |
<script type='text/javascript'>//<![CDATA[ | |
$(window).load(function(){ | |
var useData = [1,2,3,5,8,13,21,34,55,89]; | |
//chart.attr("height", 20 * useData.length); | |
var chart = d3.select("body") | |
.append("svg:svg") | |
.attr("class", "chart") | |
.attr("width", 420) | |
.attr("height", 200); | |
var interval = 1000; | |
var draw = function(data){ | |
// Set the width relative to max data value | |
var x = d3.scale.linear() | |
.domain([0, d3.max(data)]) | |
.range([0, 420]); | |
var y = d3.scale.ordinal() | |
.domain(data) | |
.rangeBands([0, 120]); | |
var rect = chart.selectAll("rect") | |
.data(data) | |
// enter rect | |
rect.enter().append("svg:rect") | |
.attr("y", y) | |
.attr("width", x) | |
.attr("height", y.rangeBand()); | |
// update rect | |
rect.transition().duration(interval) | |
.attr("y", y) | |
.attr("width", x) | |
var text = chart.selectAll("text") | |
.data(data) | |
// enter text | |
text.enter().append("svg:text") | |
.attr("x", x) | |
.attr("y", function (d) { return y(d) + y.rangeBand() / 2; }) | |
.attr("dx", -3) // padding-right | |
.attr("dy", ".35em") // vertical-align: middle | |
.attr("text-anchor", "end") // text-align: right | |
.text(String); | |
// update text | |
text.transition().duration(interval) | |
.attr("x", x) | |
.text(String); | |
} | |
setInterval(function(){ | |
var data = useData.map(function(d){return Math.random()}) | |
console.log(data[0]); | |
draw(data); | |
}, interval) | |
});//]]> | |
</script> | |
</head> | |
<body> | |
</body> | |
</html> |
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