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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="http://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("data.tsv", function(error, data) { |
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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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var rx = d3.scale.linear().domain([2,4.4]).range([0,2*Math.PI]); |
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var ry = d3.scale.linear().domain([4.0,8.0]).range([50,300]); |
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cr = ry.ticks(7); |
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svg.selectAll("circle.line").data(cr) |
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.enter().append("circle").attr("class","line") |
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.attr({ |
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cx: width / 2 + margin.left, |
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cy: height / 2 + margin.top, |
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r: function(d) { return ry(d); }, |
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fill: "none", |
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stroke: "#999" |
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}); |
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svg.selectAll("text.line").data(cr) |
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.enter().append("text").attr("class","line") |
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.attr({ |
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x: width / 2+ margin.left, |
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y: function(d) { return ry(d) + height / 2 + margin.top; } |
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}).text(function(d) { return d; }); |
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/* |
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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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*/ |
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/* |
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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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*/ |
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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) { |
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angle = rx((d.sepalWidth)); |
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radius = ry((d.sepalLength)); |
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return Math.cos(angle) * radius + width / 2 + margin.left; |
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}) |
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.attr("cy", function(d) { |
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angle = rx((d.sepalWidth)); |
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radius = ry((d.sepalLength)); |
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return Math.sin(angle) * radius + height / 2 + margin.top; |
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}) |
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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> |