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<!DOCTYPE html> |
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<meta charset="utf-8"> |
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<style> |
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@import url(//d3js.org/colorbrewer.v1.css); |
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svg { |
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font: 10px sans-serif; |
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} |
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.day { |
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fill: #fff; |
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stroke: #ccc; |
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} |
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.month { |
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fill: none; |
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stroke: #000; |
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stroke-width: 2px; |
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} |
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</style> |
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<body> |
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<script src="//d3js.org/d3.v3.min.js"></script> |
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<script> |
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var margin = {top: 5.5, right: 0, bottom: 5.5, left: 19.5}, |
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width = 960 - margin.left - margin.right, |
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height = 130 - margin.top - margin.bottom, |
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size = height / 7; |
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var day = function(d) { return (d.getDay() + 6) % 7; }, // monday = 0 |
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week = d3.time.format("%W"), // monday-based week number |
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date = d3.time.format("%Y-%m-%d"), |
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percent = d3.format("+.1%"); |
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var color = d3.scale.quantize() |
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.domain([-.05, .05]) |
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.range(d3.range(9)); |
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var svg = d3.select("body").selectAll("svg") |
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.data(d3.range(1990, 2011)) |
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.enter().append("svg") |
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.attr("class", "RdYlGn") |
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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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svg.append("text") |
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.attr("transform", "translate(-6," + size * 3.5 + ")rotate(-90)") |
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.attr("text-anchor", "middle") |
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.text(function(d) { return d; }); |
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var rect = svg.selectAll(".day") |
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.data(function(d) { return d3.time.days(new Date(d, 0, 1), new Date(d + 1, 0, 1)); }) |
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.enter().append("rect") |
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.attr("class", "day") |
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.attr("width", size) |
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.attr("height", size) |
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.attr("x", function(d) { return week(d) * size; }) |
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.attr("y", function(d) { return day(d) * size; }) |
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.datum(date); |
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rect.append("title") |
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.text(function(d) { return d; }); |
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svg.selectAll(".month") |
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.data(function(d) { return d3.time.months(new Date(d, 0, 1), new Date(d + 1, 0, 1)); }) |
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.enter().append("path") |
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.attr("class", "month") |
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.attr("d", monthPath); |
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d3.csv("dji.csv", function(csv) { |
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var data = d3.nest() |
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.key(function(d) { return d.Date; }) |
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.rollup(function(d) { return (d[0].Close - d[0].Open) / d[0].Open; }) |
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.map(csv); |
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rect.filter(function(d) { return d in data; }) |
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.attr("class", function(d) { return "day q" + color(data[d]) + "-9"; }) |
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.select("title") |
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.text(function(d) { return d + ": " + percent(data[d]); }); |
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}); |
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function monthPath(t0) { |
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var t1 = new Date(t0.getFullYear(), t0.getMonth() + 1, 0), |
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d0 = +day(t0), w0 = +week(t0), |
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d1 = +day(t1), w1 = +week(t1); |
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return "M" + (w0 + 1) * size + "," + d0 * size |
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+ "H" + w0 * size + "V" + 7 * size |
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+ "H" + w1 * size + "V" + (d1 + 1) * size |
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+ "H" + (w1 + 1) * size + "V" + 0 |
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+ "H" + (w0 + 1) * size + "Z"; |
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} |
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</script> |