[ Launch: Simple(?) Horizontal Stacked Bar Charts ] 1023ca8580e83b0d2505 by a-br
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Simple(?) Horizontal Stacked Bar Charts
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{"description":"Simple(?) Horizontal Stacked Bar Charts","endpoint":"","display":"svg","public":true,"require":[],"fileconfigs":{"inlet.js":{"default":true,"vim":false,"emacs":false,"fontSize":12},"_.md":{"default":true,"vim":false,"emacs":false,"fontSize":12},"config.json":{"default":true,"vim":false,"emacs":false,"fontSize":12}},"fullscreen":false,"play":false,"loop":false,"restart":false,"autoinit":true,"pause":true,"loop_type":"period","bv":false,"nclones":15,"clone_opacity":0.4,"duration":3000,"ease":"linear","dt":0.01,"thumbnail":"http://i.imgur.com/lKvvrN8.png","ajax-caching":true} |
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/*modified from Mike Bostock at http://bl.ocks.org/3943967 */ | |
var data = [ | |
{"key":"Wikipedia ES vs Wikipedia EN", "pop1":3000, "pop2":4000, "pop3":5000, "pop4":1000, "pop5":1000}, | |
{"key":"EN", "pop1":3000, "pop2":3000, "pop3":3000, "pop4":1000, "pop5":4000} | |
]; | |
var n = 8, // number of layers | |
m = data.length, // number of samples per layer | |
stack = d3.layout.stack(), | |
labels = data.map(function(d) {return d.key;}), | |
//go through each layer (pop1, pop2 etc, that's the range(n) part) | |
//then go through each object in data and pull out that objects's population data | |
//and put it into an array where x is the index and y is the number | |
layers = stack(d3.range(n).map(function(d) { | |
var a = []; | |
for (var i = 0; i < m; ++i) { | |
a[i] = {x: i, y: data[i]['pop' + (d+1)]}; | |
} | |
return a; | |
})), | |
//the largest single layer | |
yGroupMax = d3.max(layers, function(layer) { return d3.max(layer, function(d) { return d.y; }); }), | |
//the largest stack | |
yStackMax = d3.max(layers, function(layer) { return d3.max(layer, function(d) { return d.y0 + d.y; }); }); | |
var margin = {top: 40, right: 10, bottom: 20, left: 50}, | |
width = 527 - margin.left - margin.right, | |
height = 299 - margin.top - margin.bottom; | |
var y = d3.scale.ordinal() | |
.domain(d3.range(m)) | |
.rangeRoundBands([6.144, height], .08); | |
var x = d3.scale.linear() | |
.domain([0, yStackMax]) | |
.range([0, width]); | |
var color = d3.scale.linear() | |
.range(["#98ABC5", "#8a89a6", "#7b6888", "#6b486b", "#a05d56", "#d0743c"]); | |
var svg = d3.select("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 layer = svg.selectAll(".layer") | |
.data(layers) | |
.enter().append("g") | |
.attr("class", "layer") | |
.style("fill", function(d, i) { return color(i); }); | |
layer.selectAll("rect") | |
.data(function(d) { return d; }) | |
.enter().append("rect") | |
.attr("y", function(d) { return y(d.x); }) | |
.attr("x", function(d) { return x(d.y0); }) | |
.attr("height", y.rangeBand()) | |
.attr("width", function(d) { return x(d.y); }); | |
var yAxis = d3.svg.axis() | |
.scale(y) | |
.tickSize(1.88) | |
.tickPadding(-116) | |
.tickValues(labels) | |
.orient("left"); | |
svg.append("g") | |
.attr("class", "y axis") | |
.call(yAxis); |
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