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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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.bar { |
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fill: steelblue; |
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} |
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.x.axis path { |
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display: none; |
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} |
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</style> |
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<body> |
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<script src="http://d3js.org/d3.v2.min.js?2.10.0"></script> |
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<script> |
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var margin = {top: 20, right: 30, 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(["red", "green"]); |
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var y = d3.scale.linear() |
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.range([height, 0]); |
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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("letter-frequency.tsv", function(letters) { |
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letters.forEach(function(d) { d.frequency = +d.frequency; }); |
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x.domain(letters.map(function(d) { return d.letter; })); |
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y.domain([0, d3.max(letters, function(d) { return d.frequency; })]); |
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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(d3.svg.axis().scale(x).orient("bottom")); |
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svg.append("g") |
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.attr("class", "y axis") |
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.call(d3.svg.axis().scale(y).orient("left")); |
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svg.selectAll(".bar") |
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.data(letters) |
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.enter().append("rect") |
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.attr("class", "bar") |
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.attr("x", function(d) { return x(d.letter); }) |
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.attr("width", x.rangeBand()) |
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.attr("y", function(d) { return y(d.frequency); }) |
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.attr("height", function(d) { return height - y(d.frequency); }); |
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}); |
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</script> |
