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<!DOCTYPE html> |
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<html lang="en"> |
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<head> |
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<meta charset="UTF-8" /> |
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<title>d3.js learning</title> |
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<script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script> |
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<style type="text/css"> |
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svg { |
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font: 10px sans-serif; |
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shape-rendering: crispEdges; |
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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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} |
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path.domain { |
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stroke: none; |
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} |
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.y .tick line { |
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stroke: #ddd; |
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} |
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div.tooltip { |
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position: absolute; |
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text-align: left; |
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width: 200px; |
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height: 40px; |
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padding: 6px; |
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font: 12px sans-serif; |
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background: #EEEEEE; |
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border: 2px solid #AAA; |
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border-radius: 5px; |
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pointer-events: none; |
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} |
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</style> |
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</head> |
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<body> |
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<script type="text/javascript"> |
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// Original stacked graph source: https://gist.github.com/mstanaland/6100713 |
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// Setup svg using Bostock's margin convention |
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var margin = {top: 20, right: 210, bottom: 35, left: 60}; |
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var width = 1100 - margin.left - margin.right, |
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height = 500 - margin.top - margin.bottom; |
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var svg = d3.select("body") |
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.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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var conditions = ['Forces of nature, war, and legal intervention', 'Self-harm and interpersonal violence','Unintentional injuries','Transport injuries', 'Other non-communicable diseases', 'Musculoskeletal disorders','Diabetes, urogenital, blood, and endocrine diseases', 'Mental and substance use disorders', 'Neurological disorders', 'Digestive diseases', 'Cirrhosis', 'Chronic respiratory diseases', 'Cardiovascular diseases', 'Neoplasms', 'Other communicable, maternal, neonatal, and nutritional diseases', 'Nutritional deficiencies', 'Neonatal disorders', 'Maternal disorders', 'Neglected tropical diseases and malaria', 'Diarrhea, lower respiratory, and other common infectious diseases','HIV/AIDS and tuberculosis']; |
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var colors = ["#006D2C", "#31A354","#74C476", "#BAE4B3", "#54278F", "#756BB1","#9E9AC8", "#BCBDDC", "#DADAEB", "#08519C", "#3182BD", |
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"#6BAED6", "#9ECAE1", "#C6DBEF", "#99000D", "#CB181D", "#EF3B2C", "#FB6A4A", "#FC9272", "#FCBBA1", "#FEE0D2"]; |
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var parse = d3.time.format("%Y").parse; |
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// Load data from CSV, Parse & Build Plot in callback |
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d3.csv("data.csv", function(d) { |
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data_csv = d; |
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data = parse_data(data_csv); |
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// Transpose the data into layers, add conditions to each for tooltip |
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var dataset = d3.layout.stack()(conditions.map(function(dalys,i) { |
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return data.map(function(d) { |
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return {c:conditions[i], x: parse(d.year), y: +d[dalys] }; |
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}); |
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})); |
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//Tooltip using divs: |
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//src: http://www.d3noob.org/2013/01/adding-tooltips-to-d3js-graph.html |
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var div = d3.select("body").append("div") |
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.attr("class", "tooltip") |
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.style("opacity", 0); |
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// Set x, y and colors |
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var x = d3.scale.ordinal() |
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.domain(dataset[0].map(function(d) { return d.x; })) |
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.rangeRoundBands([10, width-10], 0.02); |
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var y = d3.scale.linear() |
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.domain([0, d3.max(dataset, function(d) { return d3.max(d, function(d) { return d.y0 + d.y; }); })]) |
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.range([height, 0]); |
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// Define and draw axes |
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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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.ticks(5) |
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.tickSize(-width, 0, 0) |
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.tickFormat( function(d) { return d/1000000000 + "B"} ); |
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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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.tickFormat(d3.time.format("%Y")); |
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svg.append("g") |
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.attr("class", "y axis") |
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.call(yAxis); |
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svg.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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// Create groups for each series, rects for each segment |
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var groups = svg.selectAll("g.cost") |
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.data(dataset) |
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.enter().append("g") |
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.attr("class", "cost") |
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.style("fill", function(d, i) { return colors[i]; }); |
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var rect = groups.selectAll("rect") |
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.data(function(d) { return d; }) |
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.enter() |
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.append("rect") |
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.attr("x", function(d) { return x(d.x); }) |
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.attr("y", function(d) { return y(d.y0 + d.y); }) |
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.attr("height", function(d) { return y(d.y0) - y(d.y0 + d.y); }) |
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.attr("width", x.rangeBand()) |
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.on("mouseover", function(d) { |
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var xPosition = d3.mouse(this)[0]; |
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var yPosition = d3.mouse(this)[1]; |
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div.transition() |
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.duration(200) |
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.style("opacity", 1.0); |
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div .html(d.c + ":" +"</br>"+ Math.round(d3.round(d.y, -2)) + " (DALYs)") //Math.round(d3.round(d.y, -6)) |
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.style("left", xPosition + "px") |
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.style("top", (yPosition - 20) + "px") |
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//.style("border-color", colors[colors.length-1-i] ) |
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}) |
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.on("mousemove", function(d) { |
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var xPosition = d3.mouse(this)[0]; |
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var yPosition = d3.mouse(this)[1]; |
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div.attr("transform", "translate(" + xPosition + "," + yPosition + ")"); |
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div .html(d.c + ":" +"</br>"+ Math.round(d3.round(d.y, -2)) + " (DALYs)") //Math.round(d3.round(d.y, -6)) |
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.style("left", (xPosition - 35) + "px") |
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.style("top", (yPosition - 35) + "px") |
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//.style("border-color", colors[colors.length-1-i] ) possible to set colors based on mouseover box? |
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.attr("transform", "translate(" + xPosition + "," + yPosition + ")"); |
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}) |
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.on("mouseout", function(d) { |
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div.transition() |
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.duration(500) |
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.style("opacity", 0); |
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}); |
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//Axes labels |
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svg.append("text") |
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.attr("class", "x label") |
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.attr("text-anchor", "end") |
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.attr("x", width - 10) |
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.attr("y", height + 15) |
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.text("Year"); |
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svg.append("text") |
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.attr("class", "y label") |
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.attr("text-anchor", "end") |
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.attr("y", 1) |
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.attr("x", -20) |
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.attr("dy", ".75em") |
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.attr("transform", "rotate(-90)") |
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.text("DALYs"); |
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//Draw legend |
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var legend = svg.selectAll(".legend") |
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.data(colors) |
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.enter().append("g") |
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.attr("class", "legend") |
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.attr("transform", function(d, i) { return "translate(30," + i * 19 + ")"; }); //19 expands it |
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legend.append("rect") |
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.attr("x", width - 25) // 18 originally |
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.attr("width", 13) //18 originally |
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.attr("height", 18) |
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.style("fill", function(d, i) {return colors.slice().reverse()[i];}); |
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legend.append("text") |
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.attr("x", width - 5) // 5 moves text left |
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.attr("y", 9) |
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.attr("dy", ".35em") // .35em |
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.style("text-anchor", "start") |
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.text(function(d,i) { |
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return conditions[conditions.length - 1 - i].split(",")[0]; //shorten text |
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}); |
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// Wrapping legend text works, but not legible |
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// Shortened instead ^^ |
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// legend.selectAll("text") |
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// .call(wrap, x.rangeBand()); |
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//End callback |
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}); |
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//Helper function to parse data |
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function parse_data(data_csv) { |
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var parsed = [{"year":"1990"},{"year":"1995"},{"year":"2000"},{"year":"2005"},{"year":"2010"},{"year":"2013"}]; |
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for (i = 0; i < data_csv.length; i++) { |
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var current_year = data_csv[i].Year; |
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var cause = data_csv[i]["Cause of death or injury"]; |
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var value = data_csv[i].Value; |
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for (b = 0; b < parsed.length; b++){ |
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if (parsed[b]["year"] === current_year) { |
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parsed[b][cause] = value; |
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}; |
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}; |
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}; |
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return parsed |
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}; |
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// Modified text wrap function |
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// source: http://bl.ocks.org/mbostock/7555321 |
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function wrap(text, width) { |
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text.each(function() { |
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var text = d3.select(this), |
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words = text.text().split(/\s+/).reverse(), |
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word, |
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line = [], |
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lineNumber = 0, |
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lineHeight = 1.1, // ems |
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y = text.attr("y"), |
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x = text.attr("x"), //modified to take initial x pos |
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dy = parseFloat(text.attr("dy")), |
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tspan = text.text(null).append("tspan").attr("x", x).attr("y", y).attr("dy", dy + "em"); //attr("x", 0) >> x to take x pos |
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while (word = words.pop()) { |
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line.push(word); |
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tspan.text(line.join(" ")); |
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if (tspan.node().getComputedTextLength() > width) { |
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line.pop(); |
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tspan.text(line.join(" ")); |
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line = [word]; |
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tspan = text.append("tspan").attr("x", x).attr("y", y).attr("dy", ++lineNumber * lineHeight + dy + "em").text(word); //.attr("x", 0) |
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} |
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} |
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}); |
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} |
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</script> |
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</body> |
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</html> |
