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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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</style> |
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</head> |
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<body> |
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<script type="text/javascript"> |
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// Setup svg using Bostock's margin convention |
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var margin = {top: 20, right: 160, bottom: 35, left: 30}; |
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var width = 960 - 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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/* Data in strings like it would be if imported from a csv */ |
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var data = [ |
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{ year: "2006", redDelicious: "10", mcintosh: "15", oranges: "9", pears: "6" }, |
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{ year: "2007", redDelicious: "12", mcintosh: "18", oranges: "9", pears: "4" }, |
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{ year: "2008", redDelicious: "05", mcintosh: "20", oranges: "8", pears: "2" }, |
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{ year: "2009", redDelicious: "01", mcintosh: "15", oranges: "5", pears: "4" }, |
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{ year: "2010", redDelicious: "02", mcintosh: "10", oranges: "4", pears: "2" }, |
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{ year: "2011", redDelicious: "03", mcintosh: "12", oranges: "6", pears: "3" }, |
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{ year: "2012", redDelicious: "04", mcintosh: "15", oranges: "8", pears: "1" }, |
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{ year: "2013", redDelicious: "06", mcintosh: "11", oranges: "9", pears: "4" }, |
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{ year: "2014", redDelicious: "10", mcintosh: "13", oranges: "9", pears: "5" }, |
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{ year: "2015", redDelicious: "16", mcintosh: "19", oranges: "6", pears: "9" }, |
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{ year: "2016", redDelicious: "19", mcintosh: "17", oranges: "5", pears: "7" }, |
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]; |
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var parse = d3.time.format("%Y").parse; |
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// Transpose the data into layers |
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var dataset = d3.layout.stack()(["redDelicious", "mcintosh", "oranges", "pears"].map(function(fruit) { |
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return data.map(function(d) { |
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return {x: parse(d.year), y: +d[fruit]}; |
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}); |
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})); |
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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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var colors = ["b33040", "#d25c4d", "#f2b447", "#d9d574"]; |
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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 } ); |
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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() { tooltip.style("display", null); }) |
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.on("mouseout", function() { tooltip.style("display", "none"); }) |
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.on("mousemove", function(d) { |
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var xPosition = d3.mouse(this)[0] - 15; |
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var yPosition = d3.mouse(this)[1] - 25; |
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tooltip.attr("transform", "translate(" + xPosition + "," + yPosition + ")"); |
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tooltip.select("text").text(d.y); |
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}); |
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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 + ")"; }); |
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legend.append("rect") |
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.attr("x", width - 18) |
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.attr("width", 18) |
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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) |
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.attr("y", 9) |
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.attr("dy", ".35em") |
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.style("text-anchor", "start") |
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.text(function(d, i) { |
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switch (i) { |
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case 0: return "Anjou pears"; |
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case 1: return "Naval oranges"; |
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case 2: return "McIntosh apples"; |
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case 3: return "Red Delicious apples"; |
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} |
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}); |
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// Prep the tooltip bits, initial display is hidden |
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var tooltip = svg.append("g") |
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.attr("class", "tooltip") |
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.style("display", "none"); |
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tooltip.append("rect") |
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.attr("width", 30) |
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.attr("height", 20) |
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.attr("fill", "white") |
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.style("opacity", 0.5); |
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tooltip.append("text") |
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.attr("x", 15) |
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.attr("dy", "1.2em") |
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.style("text-anchor", "middle") |
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.attr("font-size", "12px") |
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.attr("font-weight", "bold"); |
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</script> |
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</body> |
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</html> |
