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<!DOCTYPE html> |
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<meta charset="utf-8"> |
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<style> |
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body { |
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font-family: sans-serif; |
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} |
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form { |
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height: 30px; |
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font-weight: 300; |
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} |
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input[name='male'] { |
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margin-left: 60px; |
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} |
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input[name='inyear'] { |
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width: 670px; |
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} |
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output { |
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font-size: 25px; |
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} |
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svg { |
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position: absolute; |
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left: 0; |
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font-size: 10px; |
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} |
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.bar { |
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fill: steelblue; |
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} |
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.bar text { |
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fill: #fff; |
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} |
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.axis path, |
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.axis line { |
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fill: none; |
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stroke: #000; |
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shape-rendering: crispEdges; |
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} |
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</style> |
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<body> |
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<form> |
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<label> |
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<input name="male" type="checkbox" checked disabled> Male |
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</label> |
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<label> |
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<input name="female" type="checkbox" disabled> Female |
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</label> |
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<input name="inyear" type="range" value="1880" min="1880" max="2012" disabled> |
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<output name="outyear">1880</output> |
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</form> |
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<script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script> |
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<script> |
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var margin = {top: 10, right: 20, bottom: 40, left: 60}, |
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width = 960 - margin.left - margin.right, |
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height = 470 - margin.top - margin.bottom, |
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lettersArray = "abcdefghijklmnopqrstuvwxyz".split(""); |
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var x = d3.scale.ordinal() |
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.domain(lettersArray) |
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.rangeRoundBands([0, width], .1); |
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var y = d3.scale.linear() |
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.range([height, 0]); |
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var xAxis = d3.svg.axis() |
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.scale(x) |
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.orient("bottom"); |
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var yAxis = d3.svg.axis() |
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.scale(y) |
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.orient("left"); |
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var chart = d3.select("body").append("svg") |
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.attr("width", width + margin.left + margin.right) |
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.attr("height", height + margin.top + margin.bottom) |
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.append("g") |
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.attr("transform", "translate(" + margin.left + "," + margin.top + ")"); |
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d3.json("last-letter-prettyprint.json", function(letters) { |
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y.domain(d3.extent(d3.entries(letters["1880"].M), function(d) { return d.value; })); |
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var bar = chart.selectAll(".bar") |
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.data(d3.entries(letters["1880"].M)) |
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.enter().append("g") |
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.attr("class", "bar") |
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.attr("transform", function(d) { return "translate(" + x(d.key) + ",0)"}) |
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.append("rect") |
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.attr("width", x.rangeBand()) |
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.attr("y", function(d) { return y(d.value); }) |
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.attr("height", function(d) { return height - y(d.value); }); |
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chart.append("g") |
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.attr("class", "x axis") |
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.attr("transform", "translate(0," + height + ")") |
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.call(xAxis); |
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var yAxisGroup = chart.append("g") |
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.attr("class", "y axis") |
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.call(yAxis); |
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chart.append("text") |
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.attr("class", "y label") |
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.attr("text-anchor", "end") |
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.attr("y", 6) |
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.attr("dy", ".5em") |
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.attr("transform", "rotate(-90)") |
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.text("# Names"); |
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var input = d3.select("input[name='inyear']"), |
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output = d3.select("output"), |
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maleInput = d3.select("input[name='male']") |
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femaleInput = d3.select("input[name='female']"); |
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input.on("input", function() { updateYear(input.node().value); }); |
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maleInput.on("change", function() { updateYear(input.node().value); }); |
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femaleInput.on("change", function() { updateYear(input.node().value); }); |
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function updateYear(year) { |
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var data = {}; |
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if (maleInput.property("checked") && femaleInput.property("checked")) { |
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for (key in letters[year].M) data[key] = letters[year].M[key] + letters[year].F[key]; |
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} |
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else if (maleInput.property("checked")) data = letters[year].M; |
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else if (femaleInput.property("checked")) data = letters[year].F; |
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else for (key in lettersArray) data[key] = 0; |
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output.text(year); |
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y.domain(d3.extent(d3.entries(data), function(d) { return d.value; })); |
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yAxis.scale(y); |
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yAxisGroup.transition().duration(100).call(yAxis); |
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bar.data(d3.entries(data)).transition().duration(100).call(resize); |
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} |
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function resize(bar) { |
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bar .attr("y", function(d) { return y(d.value); }) |
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.attr("height", function(d) { return height - y(d.value); }); |
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} |
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var demo = setInterval(function() { |
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var year = incrementYear(); |
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if (year >= 2012) { |
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clearInterval(demo); |
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d3.selectAll("input").attr("disabled", null); |
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} |
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input.node().value = year; |
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updateYear(year); |
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}, 100); |
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var incrementYear = (function() { var x = 1880; return function() { return x++; }})(); |
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}); |
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</script> |
