d3.js hello world block.
Last active
August 29, 2015 14:06
-
-
Save mathieue/4f43f891a06662d87ac0 to your computer and use it in GitHub Desktop.
Hello world d3
d3.js hello world block.
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> | |
<meta charset="utf-8"> | |
<style> | |
body { | |
font: 10px sans-serif; | |
} | |
.bar rect { | |
fill: steelblue; | |
shape-rendering: crispEdges; | |
} | |
.bar text { | |
fill: #fff; | |
} | |
.axis path, .axis line { | |
fill: none; | |
stroke: #000; | |
shape-rendering: crispEdges; | |
} | |
</style> | |
<body> | |
<script src="http://d3js.org/d3.v3.min.js"></script> | |
<script> | |
// Generate a Bates distribution of 10 random variables. | |
var values = d3.range(1000).map(d3.random.bates(10)); | |
// A formatter for counts. | |
var formatCount = d3.format(",.0f"); | |
var margin = {top: 10, right: 30, bottom: 30, left: 30}, | |
width = 960 - margin.left - margin.right, | |
height = 500 - margin.top - margin.bottom; | |
var x = d3.scale.linear() | |
.domain([0, 1]) | |
.range([0, width]); | |
// Generate a histogram using twenty uniformly-spaced bins. | |
var data = d3.layout.histogram() | |
.bins(x.ticks(20)) | |
(values); | |
var y = d3.scale.linear() | |
.domain([0, d3.max(data, function(d) { return d.y; })]) | |
.range([height, 0]); | |
var xAxis = d3.svg.axis() | |
.scale(x) | |
.orient("bottom"); | |
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 + ")"); | |
var bar = svg.selectAll(".bar") | |
.data(data) | |
.enter().append("g") | |
.attr("class", "bar") | |
.attr("transform", function(d) { return "translate(" + x(d.x) + "," + y(d.y) + ")"; }); | |
bar.append("rect") | |
.attr("x", 1) | |
.attr("width", x(data[0].dx) - 1) | |
.attr("height", function(d) { return height - y(d.y); }); | |
bar.append("text") | |
.attr("dy", ".75em") | |
.attr("y", 6) | |
.attr("x", x(data[0].dx) / 2) | |
.attr("text-anchor", "middle") | |
.text(function(d) { return formatCount(d.y); }); | |
svg.append("g") | |
.attr("class", "x axis") | |
.attr("transform", "translate(0," + height + ")") | |
.call(xAxis); | |
</script> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment