A standalone D3 horizontal bar chart.
This is example 105 of the screencast Introduction to D3
A standalone D3 horizontal bar chart.
This is example 105 of the screencast Introduction to D3
name | latitude | longitude | population | |
---|---|---|---|---|
Shanghai | 31.22222 | 121.45806 | 22315474 | |
Buenos Aires | -34.61315 | -58.37723 | 13076300 | |
Mumbai | 19.07283 | 72.88261 | 12691836 |
<!DOCTYPE html> | |
<html> | |
<head> | |
<meta charset="utf-8"> | |
<title>D3 Example</title> | |
<script src="//cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js"></script> | |
<link href='http://fonts.googleapis.com/css?family=Poiret+One' rel='stylesheet' type='text/css'> | |
<style> | |
.axis text { | |
font-family: 'Poiret One', cursive; | |
font-size: 20pt; | |
} | |
.axis .label { | |
font-size: 32pt; | |
} | |
.axis path, .axis line { | |
fill: none; | |
stroke: #000; | |
shape-rendering: crispEdges; | |
} | |
.y.axis path, .y.axis line { | |
stroke: none; | |
} | |
</style> | |
</head> | |
<body> | |
<script> | |
var outerWidth = 960; | |
var outerHeight = 500; | |
var margin = { left: 160, top: 0, right: 0, bottom: 80 }; | |
var barPadding = 0.2; | |
var xColumn = "population"; | |
var yColumn = "name"; | |
var xAxisLabelText = "Population"; | |
var xAxisLabelOffset = 70; | |
var innerWidth = outerWidth - margin.left - margin.right; | |
var innerHeight = outerHeight - margin.top - margin.bottom; | |
var svg = d3.select("body").append("svg") | |
.attr("width", outerWidth) | |
.attr("height", outerHeight); | |
var g = svg.append("g") | |
.attr("transform", "translate(" + margin.left + "," + margin.top + ")"); | |
var xAxisG = g.append("g") | |
.attr("class", "x axis") | |
.attr("transform", "translate(0," + innerHeight + ")") | |
var xAxisLabel = xAxisG.append("text") | |
.style("text-anchor", "middle") | |
.attr("x", innerWidth / 2) | |
.attr("y", xAxisLabelOffset) | |
.attr("class", "label") | |
.text(xAxisLabelText); | |
var yAxisG = g.append("g") | |
.attr("class", "y axis"); | |
var xScale = d3.scale.linear().range( [0, innerWidth]); | |
var yScale = d3.scale.ordinal().rangeBands([0, innerHeight], barPadding); | |
var xAxis = d3.svg.axis().scale(xScale).orient("bottom") | |
.ticks(5) // Use approximately 5 ticks marks. | |
.tickFormat(d3.format("s")) // Use intelligent abbreviations, e.g. 5M for 5 Million | |
.outerTickSize(0); // Turn off the marks at the end of the axis. | |
var yAxis = d3.svg.axis().scale(yScale).orient("left") | |
.outerTickSize(0); // Turn off the marks at the end of the axis. | |
function render(data){ | |
xScale.domain([0, d3.max(data, function (d){ return d[xColumn]; })]); | |
yScale.domain( data.map( function (d){ return d[yColumn]; })); | |
xAxisG.call(xAxis); | |
yAxisG.call(yAxis); | |
var bars = g.selectAll("rect").data(data); | |
bars.enter().append("rect") | |
.attr("height", yScale.rangeBand()); | |
bars | |
.attr("x", 0) | |
.attr("y", function (d){ return yScale(d[yColumn]); }) | |
.attr("width", function (d){ return xScale(d[xColumn]); }); | |
bars.exit().remove(); | |
} | |
function type(d){ | |
d.population = +d.population; | |
return d; | |
} | |
d3.csv("geonames_cities_top3.csv", type, render); | |
</script> | |
</body> | |
</html> |