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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: 10px sans-serif; |
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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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.dot { |
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stroke: #000; |
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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: 20, right: 20, bottom: 30, left: 40}, |
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width = 960 - margin.left - margin.right, |
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height = 500 - margin.top - margin.bottom; |
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var x = d3.scale.linear() |
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.range([0, width]); |
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var y = d3.scale.linear() |
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.range([height, 0]); |
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var color = d3.scale.category10(); |
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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 svg = 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.tsv("https://cdn.rawgit.com/john-guerra/221cb4c7fb676bcb58a25d4982114de3/raw/5d6e47127d109d961404fc8f3abd3b4b1191e6c5/data.tsv", function(error, data) { |
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if (error) throw error; |
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data.forEach(function(d) { |
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d.sepalLength = +d.sepalLength; |
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d.sepalWidth = +d.sepalWidth; |
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}); |
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x.domain(d3.extent(data, function(d) { return d.sepalWidth; })).nice(); |
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y.domain(d3.extent(data, function(d) { return d.sepalLength; })).nice(); |
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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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.append("text") |
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.attr("class", "label") |
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.attr("x", width) |
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.attr("y", -6) |
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.style("text-anchor", "end") |
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.text("Sepal Width (cm)"); |
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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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.append("text") |
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.attr("class", "label") |
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.attr("transform", "rotate(-90)") |
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.attr("y", 6) |
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.attr("dy", ".71em") |
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.style("text-anchor", "end") |
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.text("Sepal Length (cm)") |
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svg.selectAll(".dot") |
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.data(data) |
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.enter().append("circle") |
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.attr("class", "dot") |
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.attr("r", 3.5) |
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.attr("cx", function(d) { return x(d.sepalWidth); }) |
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.attr("cy", function(d) { return y(d.sepalLength); }) |
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.style("fill", function(d) { return color(d.species); }); |
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var legend = svg.selectAll(".legend") |
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.data(color.domain()) |
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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(0," + i * 20 + ")"; }); |
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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", color); |
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legend.append("text") |
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.attr("x", width - 24) |
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.attr("y", 9) |
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.attr("dy", ".35em") |
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.style("text-anchor", "end") |
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.text(function(d) { return d; }); |
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}); |
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</script> |