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license: mit |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
<!DOCTYPE html> | |
<head> | |
<meta charset="utf-8"> | |
<script src="https://d3js.org/d3.v4.min.js"></script> | |
<style> | |
body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; } | |
.axis text { | |
font-family: 'Open Sans', sans-serif; | |
font-size: 21pt; | |
} | |
.axis path, .axis line { | |
fill: none; | |
stroke: #000; | |
shape-rendering: crispEdges; | |
} | |
.x.axis text { | |
font-size: 22pt; | |
} | |
</style> | |
</head> | |
<body> | |
<script> | |
var data = [ | |
{country: "China", population: 1376048943}, | |
{country: "India", population:1311050527}, | |
{country: "USA", population: 321773631}, | |
{country: "Indonesia", population: 257563815}, | |
{country: "Brazil", population: 207847528} | |
]; | |
var outerwidth = 960; | |
var outerHeight =500 | |
var margin = {left: 90, top: 25, right: 26, bottom: 49} | |
var barPadding = 0.2; | |
var innerWidth = outerWidth - margin.left - margin.right; | |
var innerHeight = outerHeight - margin.top - margin.bottom; | |
// Feel free to change or delete any of the code you see in this editor! | |
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 yAxisG = g.append("g") | |
.attr("class", "y axis"); | |
var xScale = d3.scaleBand().range([0, innerWidth], barPadding) | |
var yScale = d3.scaleLinear().range([innerHeight, 0]); | |
// Use a modified SI formatter that uses "B" for Billion. | |
var siFormat = d3.format("s"); | |
var customTickFormat = function (d){ | |
return siFormat(d).replace("G", "B"); | |
}; | |
var xAxis = d3.svg.axis().scale(xScale).orient("bottom") | |
.outerTickSize(0); | |
var yAxis = d3.svg.axis().scale(yScale).orient("left") | |
.ticks(5) | |
.tickFormat(customTickFormat) | |
.outerTickSize(0); | |
function render(data){ | |
xScale.domain( data.map( function (d){ return d[xColumn]; })); | |
yScale.domain([0, d3.max(data, function (d){ return d[yColumn]; })]); | |
xAxisG.call(xAxis); | |
yAxisG.call(yAxis); | |
var bars = g.selectAll("rect").data(data); | |
bars.enter().append("rect") | |
.attr("width", xScale.rangeBand()); | |
bars | |
.attr("x", function (d){ return xScale(d[xColumn]); }) | |
.attr("y", function (d){ return yScale(d[yColumn]); }) | |
.attr("height", function (d){ return innerHeight - yScale(d[yColumn]); }); | |
bars.exit().remove(); | |
} | |
function type(d){ | |
d.population = +d.population; | |
return d; | |
} | |
d3.json(data, type, render); | |
</script> | |
</body> |
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