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@jensgrubert
Forked from mbostock/.block
Last active December 30, 2015 05:59
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Simple Bar Chart
quarter revenue
Q1 10000
Q2 15000
Q3 8000
Q4 20000
<!DOCTYPE html>
<meta charset="utf-8">
<style>
.bar {
fill: steelblue;
}
.bar:hover {
fill: brown;
}
.axis {
font: 10px sans-serif;
}
.axis path,
.axis line {
fill: none;
stroke: #000;
shape-rendering: crispEdges;
}
.x.axis path {
fill: none;
stroke: #000;
shape-rendering: crispEdges;
}
</style>
<body>
<script src="http://d3js.org/d3.v3.min.js"></script>
<script>
var margin = {top: 20, right: 20, bottom: 50, left: 40},
//width = 960 - margin.left - margin.right,
width = 450 - margin.left - margin.right,
height = 400 - margin.top - margin.bottom;
var x = d3.scale.ordinal()
.rangeRoundBands([0, width], .1);
var y = d3.scale.linear()
.range([height, 0 + margin.top ]);
var xAxis = d3.svg.axis()
.scale(x)
.orient("bottom");
var yAxis = d3.svg.axis()
.scale(y)
.orient("left")
.ticks(10); // .ticks(10, "%");
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 + ")");
d3.tsv("data.tsv", type, function(error, data) {
x.domain(data.map(function(d) { return d.quarter; }));
y.domain([0, d3.max(data, function(d) { return d.revenue; })]);
svg.append("g")
.attr("class", "x axis")
.attr("transform", "translate(0," + height + ")")
.call(xAxis)
.append("text") // text label for the x axis
.attr("x", (width / 2) )
.attr("y", 20 )
.attr("dy", ".71em")
.style("text-anchor", "middle")
.style("font-size", "16px")
.text("Quarter");
// add y-axis
svg.append("g")
.attr("class", "y axis")
.call(yAxis)
.append("text") // and text1
.attr("transform", "rotate(-90)")
.attr("y", 6)
.attr("dy", ".71em")
.style("text-anchor", "end")
.style("font-size", "16px")
.text("Revenue");
svg.selectAll(".bar")
.data(data)
.enter().append("rect")
.attr("class", "bar")
.attr("x", function(d) { return x(d.quarter); })
.attr("width", x.rangeBand())
.attr("y", function(d) { return y(d.revenue); })
.attr("height", function(d) { return height - y(d.revenue); });
// add a title
svg.append("text")
.attr("x", (width / 2))
.attr("y", 0 + (margin.top / 2))
.attr("text-anchor", "middle")
.style("font-size", "24px")
//.style("text-decoration", "underline")
.text("Average Revenue 2012 in Euro");
});
function type(d) {
d.revenue = +d.revenue;
return d;
}
</script>
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