mschmulen · December 24, 2015 03:59
diff --git a/data.tsv b/data.tsv
diff --git a/index.html b/index.html
 Using d3-tip to add tooltips to a d3 bar chart.
 <!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.min.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);

 d3.tsv("data.tsv", type, function(error, data) {
  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>
 data.tsv#

 letter  frequency
 A	.08167
 B	.01492
 C	.02780
 D	.04253
 E	.12702
 F	.02288
 G	.02022
 H	.06094
 I	.06973
 J	.00153
 K	.00747
 L	.04025
 M	.02517
 N	.06749
 O	.07507
 P	.01929
 Q	.00098
 R	.05987
 S	.06333
 T	.09056
 U	.02758
 V	.01037
 W	.02465
 X	.00150
 Y	.01971
 Z	.00074
 September 20, 2013
	letter	frequency
	A	.08167
	B	.01492
	C	.02780
	D	.04253
	E	.12702
	F	.02288
	G	.02022
	H	.06094
	I	.06973
	J	.00153
	K	.00747
	L	.04025
	M	.02517
	N	.06749
	O	.07507
	P	.01929
	Q	.00098
	R	.05987
	S	.06333
	T	.09056
	U	.02758
	V	.01037
	W	.02465
	X	.00150
	Y	.01971
	Z	.00074
	Using d3-tip to add tooltips to a d3 bar chart.
	<!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.min.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);

	d3.tsv("data.tsv", type, function(error, data) {
	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>
	data.tsv#

	letter frequency
	A .08167
	B .01492
	C .02780
	D .04253
	E .12702
	F .02288
	G .02022
	H .06094
	I .06973
	J .00153
	K .00747
	L .04025
	M .02517
	N .06749
	O .07507
	P .01929
	Q .00098
	R .05987
	S .06333
	T .09056
	U .02758
	V .01037
	W .02465
	X .00150
	Y .01971
	Z .00074
	September 20, 2013