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@VictorHom
Last active July 23, 2018 04:29
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barchart
license: mit
<!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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