Created
May 24, 2015 10:10
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d3bar
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<!DOCTYPE html> | |
<meta charset="utf-8"> | |
<style> | |
.bar { | |
fill: steelblue; | |
} | |
.bar:hover { | |
fill: brown; | |
} | |
.axis { | |
font: 10px sans-serif; | |
} | |
.axis path, | |
.axis line { | |
fill: none; | |
stroke: #000; | |
shape-rendering: crispEdges; | |
} | |
.x.axis path { | |
display: none; | |
} | |
</style> | |
<body> | |
<script src="http://d3js.org/d3.v3.min.js"></script> | |
<script> | |
var margin = {top: 20, right: 20, bottom: 30, left: 40}, | |
width = 960 - margin.left - margin.right, | |
height = 500 - margin.top - margin.bottom; | |
var x = d3.scale.ordinal() | |
.rangeRoundBands([0, width], .1); | |
var y = d3.scale.linear() | |
.range([height, 0]); | |
var xAxis = d3.svg.axis() | |
.scale(x) | |
.orient("bottom"); | |
var yAxis = d3.svg.axis() | |
.scale(y) | |
.orient("left") | |
.ticks(10, "%"); | |
var svg = d3.select("body").append("svg") | |
.attr("width", width + margin.left + margin.right) | |
.attr("height", height + margin.top + margin.bottom) | |
.append("g") | |
.attr("transform", "translate(" + margin.left + "," + margin.top + ")"); | |
var data = [ | |
{letter: 'A', frequency: .08167}, | |
{letter: 'B', frequency: .02167}, | |
{letter: 'C', frequency: .03167}, | |
{letter: 'D', frequency: .01167}, | |
{letter: 'E', frequency: .05167}, | |
] | |
//data.map(function(d) {return d.frequency = +d.frequency}) | |
x.domain(data.map(function(d) { return d.letter; })); | |
y.domain([0, d3.max(data, function(d) { return d.frequency; })]); | |
svg.append("g") | |
.attr("class", "x axis") | |
.attr("transform", "translate(0," + height + ")") | |
.call(xAxis); | |
svg.append("g") | |
.attr("class", "y axis") | |
.call(yAxis) | |
.append("text") | |
.attr("transform", "rotate(-90)") | |
.attr("y", 6) | |
.attr("dy", ".71em") | |
.style("text-anchor", "end") | |
.text("Frequency"); | |
svg.selectAll(".bar") | |
.data(data) | |
.enter().append("rect") | |
.attr("class", "bar") | |
.attr("x", function(d) { return x(d.letter); }) | |
.attr("width", x.rangeBand()) | |
.attr("y", function(d) { return y(d.frequency); }) | |
.attr("height", function(d) { return height - y(d.frequency); }); | |
/* | |
function type(d) { | |
d.frequency = +d.frequency; | |
return d; | |
} | |
*/ | |
</script> |
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