Created
July 14, 2017 06:31
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<!DOCTYPE html> | |
<meta charset="utf-8"> | |
<style> | |
body { | |
font: 10px sans-serif; | |
} | |
.axis path, | |
.axis line { | |
fill: none; | |
stroke: #000; | |
shape-rendering: crispEdges; | |
} | |
.bar { | |
fill: orange; | |
} | |
.bar:hover { | |
fill: orangered ; | |
} | |
.x.axis path { | |
display: none; | |
} | |
.d3-tip { | |
line-height: 1; | |
font-weight: bold; | |
padding: 12px; | |
background: rgba(0, 0, 0, 0.8); | |
color: #fff; | |
border-radius: 2px; | |
} | |
/* Creates a small triangle extender for the tooltip */ | |
.d3-tip:after { | |
box-sizing: border-box; | |
display: inline; | |
font-size: 10px; | |
width: 100%; | |
line-height: 1; | |
color: rgba(0, 0, 0, 0.8); | |
content: "\25BC"; | |
position: absolute; | |
text-align: center; | |
} | |
/* Style northward tooltips differently */ | |
.d3-tip.n:after { | |
margin: -1px 0 0 0; | |
top: 100%; | |
left: 0; | |
} | |
</style> | |
<body> | |
<script src="http://d3js.org/d3.v3.min.js"></script> | |
<script src="http://labratrevenge.com/d3-tip/javascripts/d3.tip.v0.6.3.js"></script> | |
<script> | |
var margin = {top: 40, right: 20, bottom: 30, left: 40}, | |
width = 960 - margin.left - margin.right, | |
height = 500 - margin.top - margin.bottom; | |
var formatPercent = d3.format(".0%"); | |
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") | |
.tickFormat(formatPercent); | |
var tip = d3.tip() | |
.attr('class', 'd3-tip') | |
.offset([-10, 0]) | |
.html(function(d) { | |
return "<strong>Frequency:</strong> <span style='color:red'>" + d.frequency + "</span>"; | |
}) | |
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 + ")"); | |
svg.call(tip); | |
var data = [ | |
{letter: "A", frequency: .09167}, | |
{letter: "B", frequency: .02492}, | |
{letter: "C", frequency: .03780}, | |
{letter: "D", frequency: .05253}, | |
{letter: "E", frequency: .12702}, | |
{letter: "F", frequency: .02288}, | |
{letter: "G", frequency: .02022}, | |
{letter: "H", frequency: .06094}, | |
{letter: "I", frequency: .06973}, | |
{letter: "J", frequency: .00153}, | |
{letter: "K", frequency: .00747}, | |
{letter: "L", frequency: .04025}, | |
{letter: "M", frequency: .02517}, | |
{letter: "N", frequency: .06749}, | |
{letter: "O", frequency: .07507}, | |
{letter: "P", frequency: .01929}, | |
{letter: "Q", frequency: .00098}, | |
{letter: "R", frequency: .05987}, | |
{letter: "S", frequency: .06333}, | |
{letter: "T", frequency: .09056}, | |
{letter: "U", frequency: .02758}, | |
{letter: "V", frequency: .01037}, | |
{letter: "W", frequency: .02465}, | |
{letter: "X", frequency: .00150}, | |
{letter: "Y", frequency: .01971}, | |
{letter: "Z", frequency: .00074} | |
]; | |
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); }) | |
.on('mouseover', tip.show) | |
.on('mouseout', tip.hide) | |
function type(d) { | |
d.frequency = +d.frequency; | |
return d; | |
} | |
</script> |
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