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@ -15,27 +15,31 @@ |
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</head> |
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<!-- }}} header --> |
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<body> |
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<script src="https://d3js.org/d3.v5.min.js"></script> |
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<script src="https://cdnjs.cloudflare.com/ajax/libs/randomcolor/0.5.2/randomColor.min.js"></script> |
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<svg width="960" height="500"></svg> |
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<script> |
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// {{{ setup |
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var svg = d3.select("svg"), |
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margin = {top: 20, right: 20, bottom: 30, left: 40}, |
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width = +svg.attr("width") - margin.left - margin.right, |
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height = +svg.attr("height") - margin.top - margin.bottom, |
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g = svg.append("g").attr("transform", "translate(" + margin.left + "," + margin.top + ")"); |
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var x = d3.scaleBand() |
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.rangeRound([0, width]) |
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.paddingInner(0.05) |
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.align(0.1); |
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var y = d3.scaleLinear() |
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.rangeRound([height, 0]); |
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// var z = d3.scaleOrdinal().range(["#98abc5", "#8a89a6", "#7b6888", "#6b486b", "#a05d56", "#d0743c", "#ff8c00"]); |
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// }}} |
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d3.json("{% url "get_genre_data" user_secret %}").then(function(data) { |
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// convert strings to nums |
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data.forEach(function(d) { |
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d.num_songs = +d.num_songs; |
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console.log(d.genre, d.num_songs); |
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@ -49,9 +53,20 @@ |
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data.sort(function(a, b) { return b.num_songs - a.num_songs; }); |
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x.domain(data.map(function(d) { return d.genre; })); |
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y.domain([0, d3.max(data, function(d) { return d.num_songs; })]).nice(); |
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y.domain([0, d3.max(data, function(d) { return d.num_songs; }) * 1.25]).nice(); |
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// setup bar colors |
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var max_artists = d3.max(data, function(d) { |
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return Object.keys(d.artists).length; |
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}); |
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var colorRange = []; |
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for (i = 0; i < max_artists; i++) { |
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colorRange.push(randomColor()); |
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} |
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var z = d3.scaleOrdinal().range(colorRange); |
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for (var genre_dict of data) { |
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// process artist breakdown |
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var keys = Object.keys(genre_dict.artists); |
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var stack = d3.stack() |
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.keys(keys)([genre_dict.artists]) |
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@ -62,16 +77,9 @@ |
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data: d[0] |
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} |
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}); |
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//z.domain(keys); |
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// bars |
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g.append("g") |
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/* |
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.selectAll("g") |
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.data() |
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.enter().append("g") |
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.attr("fill", function(d) { return z(d.key); }) |
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*/ |
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.selectAll("rect") |
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.data(stack) |
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.enter().append("rect") |
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@ -79,7 +87,7 @@ |
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.attr("y", function(d) { return y(d.data[0]); }) |
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.attr("height", d => y(d.data[0]) - y(d.data[1])) |
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.attr("width", x.bandwidth()) |
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.attr("fill", '#'+(Math.random()*0xFFFFFF<<0).toString(16)) |
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.attr('fill', (d, i) => z(i)) |
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.append('title').text(d => d.key + ': ' + (d.data[1] - d.data[0])); |
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// x-axis |
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