Created
November 19, 2013 16:09
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<!DOCTYPE html> | |
<html> | |
<head> | |
<title>For Aly</title> | |
<meta charset="utf-8"> | |
<style> | |
body { | |
font: 14px sans-serif; | |
} | |
path { | |
stroke-width: 2px; | |
fill: none; | |
} | |
path.Japan { | |
stroke: tomato; | |
} | |
path.United_Kingdom { | |
stroke: steelblue; | |
} | |
.axis path, | |
.axis line { | |
fill: none; | |
stroke: #000; | |
shape-rendering: crispEdges; | |
} | |
</style> | |
</head> | |
<body> | |
<script src="http://d3js.org/d3.v3.js"></script> | |
<script> | |
var width = 600, | |
height = 400, | |
margin = 30; | |
var x = d3.scale.linear().domain([1750,1930]).range([margin,width-margin]); | |
var y = d3.scale.linear().domain([0,71]).range([height-margin,margin]); | |
//Create the SVG | |
var svg = d3.select("body").append("svg") | |
.attr("width",width) | |
.attr("height",height); | |
var xAxis = d3.svg.axis() | |
.tickFormat(d3.format("d")) | |
.scale(x) | |
.orient("bottom"); | |
var yAxis = d3.svg.axis() | |
.scale(y) | |
.orient("left"); | |
//Create the x axis | |
svg.append("g") | |
.attr("class", "x axis") | |
.attr("transform", "translate(0," + (height-margin) + ")") | |
.call(xAxis); | |
//Create the y axis | |
svg.append("g") | |
.attr("class", "y axis") | |
.attr("transform", "translate(" + margin + ")") | |
.call(yAxis); | |
//Generate a line from an array of points of format: | |
//{year: 1910, count: 50} | |
var line = d3.svg.line() | |
.interpolate("basis") | |
.x(function(d) { return x(d.year); }) | |
.y(function(d) { return y(d.count); }); | |
//Get the data | |
d3.tsv("aly.tsv",function(err,tsv) { | |
var lines = {}; | |
//For each column | |
for (var column in tsv[0]) { | |
//Skip the year | |
if (column == "year") continue; | |
//For each column besides year, add an array of points to lines | |
lines[column] = tsv.map(function(d){ | |
return {"year": d.year, "count": d[column]}; | |
}).filter(function(d){ | |
//Filter out empty ones | |
return d.count.length; | |
}); | |
} | |
//Create the paths, use the entries for the data | |
//Each item in the entries will be | |
//{key: "COUNTRY NAME", value: [ARRAY OF OBJECTS, EACH WITH A "year" AND "count" property]} | |
svg.append("g").selectAll("path") | |
.data(d3.entries(lines)) | |
.enter() | |
.append("path") | |
.attr("class",function(d){ | |
//This will be "Japan" or "United_Kingdom" | |
return d.key.replace(" ","_"); | |
}) | |
.attr("d",function(d) { | |
//Generate the line | |
return line(d.value); | |
}); | |
}); | |
</script> | |
</body> | |
</html> |
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